diff --git a/.gitignore b/.gitignore
index dd2eeb374..4233f02e1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -41,5 +41,6 @@ node_modules/
 
 # Required by the CLI
 crates/jstz_cli/jstz_kernel.wasm
+crates/jstzd/resources/jstz_rollup/jstz_kernel.wasm
 
 **/*/.DS_Store
diff --git a/Cargo.lock b/Cargo.lock
index 880fd4e62..7e84e9b1f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2976,12 +2976,15 @@ dependencies = [
  "async-dropper-simple",
  "async-trait",
  "axum",
+ "bincode",
  "bollard",
  "clap 4.5.20",
  "futures",
  "futures-util",
+ "hex",
  "http 1.1.0",
  "jstz_crypto",
+ "jstz_kernel",
  "jstz_node",
  "octez",
  "predicates",
@@ -2991,6 +2994,9 @@ dependencies = [
  "serde",
  "serde_json",
  "tempfile",
+ "tezos-smart-rollup-host",
+ "tezos-smart-rollup-installer",
+ "tezos-smart-rollup-installer-config",
  "tezos_crypto_rs 0.6.0",
  "tokio",
 ]
diff --git a/Makefile b/Makefile
index c3c38b05d..aabe507f1 100644
--- a/Makefile
+++ b/Makefile
@@ -11,13 +11,14 @@ else
 	PROFILE_TARGET_DIR := $(PROFILE)
 endif
 
+JSTZD_KERNEL_PATH := crates/jstzd/resources/jstz_rollup/jstz_kernel.wasm
 CLI_KERNEL_PATH := crates/jstz_cli/jstz_kernel.wasm
 
 .PHONY: all
 all: build test check
 
 .PHONY: build
-build: build-cli-kernel
+build: build-cli-kernel build-jstzd-kernel
 	@cargo build $(PROFILE_OPT)
 
 .PHONY: build-bridge
@@ -33,6 +34,12 @@ build-bridge:
 build-kernel:
 	@cargo build --package jstz_kernel --target wasm32-unknown-unknown $(PROFILE_OPT)
 
+.PHONY: build-jstzd-kernel
+build-jstzd-kernel: build-kernel
+	@cp target/wasm32-unknown-unknown/$(PROFILE_TARGET_DIR)/jstz_kernel.wasm $(JSTZD_KERNEL_PATH)
+
+# TODO: Remove once jstzd replaces the sandbox 
+# https://linear.app/tezos/issue/JSTZ-205/remove-build-for-jstz-cli
 .PHONY: build-cli-kernel
 build-cli-kernel: build-kernel
 	@cp target/wasm32-unknown-unknown/$(PROFILE_TARGET_DIR)/jstz_kernel.wasm $(CLI_KERNEL_PATH)
@@ -114,6 +121,8 @@ fmt-check: fmt-nix-check fmt-rust-check fmt-js-check
 
 .PHONY: lint
 lint:
-	@touch $(CLI_KERNEL_PATH)
+	@touch $(CLI_KERNEL_PATH) 
+#  Jstzd has to processes a non-empty kernel in its build script
+	@echo "ignore" > $(JSTZD_KERNEL_PATH) 
 	@cargo clippy --all-targets -- --deny warnings
-	@rm -f $(CLI_KERNEL_PATH)
+	@rm -f $(CLI_KERNEL_PATH) $(JSTZD_KERNEL_PATH)
diff --git a/crates/jstzd/Cargo.toml b/crates/jstzd/Cargo.toml
index 262dcc55c..270c5e8d1 100644
--- a/crates/jstzd/Cargo.toml
+++ b/crates/jstzd/Cargo.toml
@@ -4,6 +4,7 @@ authors.workspace = true
 version.workspace = true
 edition.workspace = true
 repository.workspace = true
+include = ["resources/", "src"]
 
 [dependencies]
 anyhow.workspace = true
@@ -23,14 +24,30 @@ reqwest.workspace = true
 serde.workspace = true
 serde_json.workspace = true
 tempfile.workspace = true
+tezos_crypto_rs.workspace = true 
 tokio.workspace = true
 
+[build-dependencies]
+anyhow.workspace = true
+bincode.workspace = true
+hex.workspace = true
+tempfile.workspace = true
+tezos_crypto_rs.workspace = true
+tezos-smart-rollup-host.workspace = true
+tezos-smart-rollup-installer.workspace = true
+tezos-smart-rollup-installer-config.workspace = true
+jstz_kernel = { path = "../jstz_kernel" }
+
+
 [dev-dependencies]
 assert_cmd.workspace = true
 predicates.workspace = true
 rand.workspace = true
 tezos_crypto_rs.workspace = true
 
+[features]
+ignore-flaky-tests = []
+
 [[bin]]
 name = "jstzd"
 path = "src/main.rs"
diff --git a/crates/jstzd/build.rs b/crates/jstzd/build.rs
new file mode 100644
index 000000000..42daf7126
--- /dev/null
+++ b/crates/jstzd/build.rs
@@ -0,0 +1,162 @@
+use anyhow::Result;
+use jstz_kernel::TICKETER;
+use std::{
+    env, fs,
+    path::{Path, PathBuf},
+};
+use tezos_crypto_rs::hash::ContractKt1Hash;
+use tezos_smart_rollup_host::path::OwnedPath;
+use tezos_smart_rollup_installer::{
+    installer, preimages, KERNEL_BOOT_PATH, PREPARE_KERNEL_PATH,
+};
+use tezos_smart_rollup_installer_config::binary::owned::{
+    OwnedBytes, OwnedConfigInstruction, OwnedConfigProgram,
+};
+
+include!("build_config.rs");
+
+/// The jstz kernel path used to generate the rollup installer / preimages.
+/// generated by running `make build build-jstzd-kernel`
+const JSTZ_KERNEL_PATH: &str = "./resources/jstz_rollup/jstz_kernel.wasm";
+const JSTZ_PARAMETERS_TY_PATH: &str = "./resources/jstz_rollup/parameters_ty.json";
+/// Generated file that contains path getter functions
+const JSTZ_ROLLUP_PATH: &str = "jstz_rollup_path.rs";
+
+/// Build script that generates and saves the following files in OUT_DIR:
+///
+/// Files copied:
+/// - parameters_ty.json: JSON file containing parameter types
+///
+/// Files generated:
+/// - kernel_installer.hex: Hex-encoded kernel installer binary
+/// - preimages/: Directory containing kernel preimages
+/// - jstz_rollup_path.rs: Generated Rust code with path getters
+///
+/// The generated jstz_rollup_path.rs provides the following functions:
+/// - kernel_installer_path(): Path to the kernel installer hex file
+/// - parameters_ty_path(): Path to the parameters type JSON file
+/// - preimages_path(): Path to the preimages directory
+fn main() {
+    println!("cargo:rerun-if-changed={}", JSTZ_KERNEL_PATH);
+    println!("cargo:rerun-if-changed={}", JSTZ_PARAMETERS_TY_PATH);
+
+    let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
+
+    // 1. Copy parameters_ty.json to OUT_DIR
+    fs::copy(JSTZ_PARAMETERS_TY_PATH, out_dir.join("parameters_ty.json"))
+        .expect("Failed to copy parameters_ty.json to OUT_DIR");
+
+    // 2. Create preimages directory and the kernel installer in OUT_DIR
+    let preimages_dir = out_dir.join("preimages");
+    fs::create_dir_all(&preimages_dir).expect("Failed to create preimages directory");
+    let kernel_installer =
+        make_kernel_installer(PathBuf::from(JSTZ_KERNEL_PATH).as_path(), &preimages_dir)
+            .expect("Failed to make kernel installer");
+
+    // 3. Save hex-encoded kernel installer to OUT_DIR
+    fs::write(out_dir.join("kernel_installer.hex"), kernel_installer)
+        .expect("Failed to write kernel_installer.hex");
+
+    // 4. Generate path getter code in OUT_DIR
+    generate_code(&out_dir);
+
+    println!(
+        "cargo:warning=Build script output directory: {}",
+        out_dir.display()
+    );
+}
+
+/// Builds the kernel installer and generates preimages
+///
+/// # Arguments
+/// * `kernel_file` - Path to the kernel wasm file
+/// * `preimages_dir` - Directory where preimages will be saved
+///
+/// # Returns
+/// Hex-encoded kernel installer string
+fn make_kernel_installer(kernel_file: &Path, preimages_dir: &Path) -> Result<String> {
+    if !kernel_file.exists() {
+        return Err(anyhow::anyhow!(
+            "kernel file not found: {}",
+            kernel_file.display()
+        ));
+    }
+    let root_hash = preimages::content_to_preimages(kernel_file, preimages_dir)?;
+    let installer_program = OwnedConfigProgram(vec![
+        // 1. Prepare kernel installer
+        OwnedConfigInstruction::reveal_instr(
+            root_hash,
+            OwnedPath::from(PREPARE_KERNEL_PATH),
+        ),
+        OwnedConfigInstruction::move_instr(
+            OwnedPath::from(PREPARE_KERNEL_PATH),
+            OwnedPath::from(KERNEL_BOOT_PATH),
+        ),
+        // 2. Set `jstz` ticketer as the bridge contract address
+        OwnedConfigInstruction::set_instr(
+            OwnedBytes(bincode::serialize(&ContractKt1Hash::from_base58_check(
+                EXCHANGER_ADDRESS,
+            )?)?),
+            OwnedPath::from(TICKETER),
+        ),
+    ]);
+    let installer = installer::with_config_program(installer_program);
+    Ok(hex::encode(&installer))
+}
+
+/// Generates Rust code for path getters to access files in OUT_DIR
+///
+/// Generates the following functions:
+/// - kernel_installer_path(): Path to the kernel installer hex file
+/// - parameters_ty_path(): Path to the parameters type JSON file
+/// - preimages_path(): Path to the preimages directory
+fn generate_code(out_dir: &Path) {
+    let mut code = String::new();
+    code.push_str(&generate_path_getter_code(
+        out_dir,
+        "kernel_installer",
+        "kernel_installer.hex",
+    ));
+    code.push_str(&generate_path_getter_code(
+        out_dir,
+        "parameters_ty",
+        "parameters_ty.json",
+    ));
+    code.push_str(&generate_path_getter_code(
+        out_dir,
+        "preimages",
+        "preimages",
+    ));
+
+    fs::write(out_dir.join(JSTZ_ROLLUP_PATH), code).expect("Failed to write paths.rs");
+}
+
+/// Generates a path getter function
+///
+/// # Arguments
+/// * `out_dir` - The output directory
+/// * `fn_name` - The name of the function to generate (e.g., "kernel_installer" generates kernel_installer_path())
+/// * `path_suffix` - The path component to append to out_dir
+///
+/// # Example
+/// ```
+/// // Generates:
+/// // const KERNEL_INSTALLER_PATH: &str = "/path/to/out_dir/kernel_installer.hex";
+/// // pub fn kernel_installer_path() -> PathBuf { PathBuf::from(KERNEL_INSTALLER_PATH) }
+/// generate_path_getter_code(out_dir, "kernel_installer", "kernel_installer.hex");
+/// ```
+fn generate_path_getter_code(out_dir: &Path, fn_name: &str, path_suffix: &str) -> String {
+    let name_upper = fn_name.to_uppercase();
+    format!(
+        r#"
+        const {}_PATH: &str = "{}";
+        pub fn {}_path() -> std::path::PathBuf {{
+            std::path::PathBuf::from({}_PATH)
+        }}
+        "#,
+        &name_upper,
+        out_dir.join(path_suffix).to_str().expect("Invalid path"),
+        fn_name,
+        &name_upper,
+    )
+}
diff --git a/crates/jstzd/build_config.rs b/crates/jstzd/build_config.rs
new file mode 100644
index 000000000..d10a237d9
--- /dev/null
+++ b/crates/jstzd/build_config.rs
@@ -0,0 +1 @@
+pub const EXCHANGER_ADDRESS: &str = "KT1F3MuqvT9Yz57TgCS3EkDcKNZe9HpiavUJ";
diff --git a/crates/jstzd/resources/jstz_rollup/parameters_ty.json b/crates/jstzd/resources/jstz_rollup/parameters_ty.json
new file mode 100644
index 000000000..454d5b4d9
--- /dev/null
+++ b/crates/jstzd/resources/jstz_rollup/parameters_ty.json
@@ -0,0 +1,42 @@
+{
+  "prim": "or",
+  "args": [
+    {
+      "prim": "pair",
+      "args": [
+        { "prim": "address" },
+        {
+          "prim": "ticket",
+          "args": [
+            {
+              "prim": "pair",
+              "args": [
+                { "prim": "nat" },
+                { "prim": "option", "args": [{ "prim": "bytes" }] }
+              ]
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "prim": "pair",
+      "args": [
+        { "prim": "address" },
+        { "prim": "option", "args": [{ "prim": "address" }] },
+        {
+          "prim": "ticket",
+          "args": [
+            {
+              "prim": "pair",
+              "args": [
+                { "prim": "nat" },
+                { "prim": "option", "args": [{ "prim": "bytes" }] }
+              ]
+            }
+          ]
+        }
+      ]
+    }
+  ]
+}
diff --git a/crates/jstzd/src/config.rs b/crates/jstzd/src/config.rs
index 13ff0a6af..83580765c 100644
--- a/crates/jstzd/src/config.rs
+++ b/crates/jstzd/src/config.rs
@@ -1,9 +1,11 @@
 use std::path::{Path, PathBuf};
 
 use crate::task::jstzd::JstzdConfig;
-use crate::{EXCHANGER_ADDRESS, JSTZ_NATIVE_BRIDGE_ADDRESS};
+use crate::{EXCHANGER_ADDRESS, JSTZ_NATIVE_BRIDGE_ADDRESS, JSTZ_ROLLUP_ADDRESS};
 use anyhow::{Context, Result};
+use octez::r#async::endpoint::Endpoint;
 use octez::r#async::protocol::{BootstrapContract, ProtocolParameter};
+use octez::r#async::rollup::{OctezRollupConfigBuilder, RollupDataDir};
 use octez::{
     r#async::{
         baker::{BakerBinaryPath, OctezBakerConfig, OctezBakerConfigBuilder},
@@ -14,6 +16,7 @@ use octez::{
     unused_port,
 };
 use serde::Deserialize;
+use tezos_crypto_rs::hash::SmartRollupHash;
 use tokio::io::AsyncReadExt;
 
 const ACTIVATOR_PUBLIC_KEY: &str =
@@ -65,6 +68,21 @@ pub(crate) async fn build_config(
         &octez_client_config,
     )?;
 
+    // TODO: https://linear.app/tezos/issue/JSTZ-238/deserialize-rollup-config
+    // Dummy rollup config for now
+    let octez_node_endpoint = octez_node_config.rpc_endpoint.clone();
+    let octez_rollup_config = OctezRollupConfigBuilder::new(
+        octez_node_endpoint,
+        octez_client_config.base_dir().into(),
+        SmartRollupHash::from_base58_check(JSTZ_ROLLUP_ADDRESS).unwrap(),
+        "bootstrap1".to_string(),
+        "dummy-kernel".into(),
+    )
+    .set_data_dir(RollupDataDir::Temp)
+    .set_rpc_endpoint(&Endpoint::localhost(8000))
+    .build()
+    .unwrap();
+
     let protocol_params = build_protocol_params(config.protocol).await?;
     let server_port = config.server_port.unwrap_or(unused_port());
     Ok((
@@ -73,6 +91,7 @@ pub(crate) async fn build_config(
             octez_node_config,
             baker_config,
             octez_client_config,
+            octez_rollup_config,
             protocol_params,
         ),
     ))
diff --git a/crates/jstzd/src/lib.rs b/crates/jstzd/src/lib.rs
index 8f62b85e7..7fccaf067 100644
--- a/crates/jstzd/src/lib.rs
+++ b/crates/jstzd/src/lib.rs
@@ -3,9 +3,12 @@ pub mod docker;
 pub mod task;
 
 pub use config::BOOTSTRAP_CONTRACT_NAMES;
+pub mod jstz_rollup_path {
+    include!(concat!(env!("OUT_DIR"), "/jstz_rollup_path.rs"));
+}
 use std::process::exit;
 
-pub const EXCHANGER_ADDRESS: &str = "KT1F3MuqvT9Yz57TgCS3EkDcKNZe9HpiavUJ";
+include!("../build_config.rs");
 pub const JSTZ_ROLLUP_ADDRESS: &str = "sr1PuFMgaRUN12rKQ3J2ae5psNtwCxPNmGNK";
 pub const JSTZ_NATIVE_BRIDGE_ADDRESS: &str = "KT1GFiPkkTjd14oHe6MrBPiRh5djzRkVWcni";
 
diff --git a/crates/jstzd/src/task/jstzd.rs b/crates/jstzd/src/task/jstzd.rs
index c832cf986..9d58ba547 100644
--- a/crates/jstzd/src/task/jstzd.rs
+++ b/crates/jstzd/src/task/jstzd.rs
@@ -1,5 +1,11 @@
-use super::{octez_baker::OctezBaker, octez_node::OctezNode, utils::retry, Task};
-use anyhow::Result;
+use super::{
+    octez_baker::OctezBaker,
+    octez_node::OctezNode,
+    octez_rollup::OctezRollup,
+    utils::{get_block_level, retry},
+    Task,
+};
+use anyhow::{bail, Context, Result};
 use async_dropper_simple::{AsyncDrop, AsyncDropper};
 use async_trait::async_trait;
 use axum::{
@@ -11,8 +17,10 @@ use axum::{
 use octez::r#async::{
     baker::OctezBakerConfig,
     client::{OctezClient, OctezClientConfig},
+    endpoint::Endpoint,
     node_config::OctezNodeConfig,
     protocol::ProtocolParameter,
+    rollup::OctezRollupConfig,
 };
 use serde::Serialize;
 use std::sync::Arc;
@@ -25,6 +33,7 @@ use tokio::{
 struct Jstzd {
     octez_node: Arc<RwLock<OctezNode>>,
     baker: Arc<RwLock<OctezBaker>>,
+    rollup: Arc<RwLock<OctezRollup>>,
 }
 
 #[derive(Clone, Serialize)]
@@ -36,6 +45,8 @@ pub struct JstzdConfig {
     #[serde(rename(serialize = "octez-client"))]
     octez_client_config: OctezClientConfig,
     #[serde(skip_serializing)]
+    octez_rollup_config: OctezRollupConfig,
+    #[serde(skip_serializing)]
     protocol_params: ProtocolParameter,
 }
 
@@ -44,12 +55,14 @@ impl JstzdConfig {
         octez_node_config: OctezNodeConfig,
         baker_config: OctezBakerConfig,
         octez_client_config: OctezClientConfig,
+        octez_rollup_config: OctezRollupConfig,
         protocol_params: ProtocolParameter,
     ) -> Self {
         Self {
             octez_node_config,
             baker_config,
             octez_client_config,
+            octez_rollup_config,
             protocol_params,
         }
     }
@@ -80,13 +93,16 @@ impl Task for Jstzd {
         let octez_client = OctezClient::new(config.octez_client_config.clone());
         Self::wait_for_node(&octez_node).await?;
 
-        Self::import_activator(&octez_client).await;
+        Self::import_activator(&octez_client).await?;
+        Self::import_rollup_operator(&octez_client).await?;
         Self::activate_protocol(&octez_client, &config.protocol_params).await?;
-
         let baker = OctezBaker::spawn(config.baker_config.clone()).await?;
+        Self::wait_for_block_level(&config.octez_node_config.rpc_endpoint, 3).await?;
+        let rollup = OctezRollup::spawn(config.octez_rollup_config.clone()).await?;
         Ok(Self {
             octez_node: Arc::new(RwLock::new(octez_node)),
             baker: Arc::new(RwLock::new(baker)),
+            rollup: Arc::new(RwLock::new(rollup)),
         })
     }
 
@@ -94,6 +110,7 @@ impl Task for Jstzd {
         let results = futures::future::join_all([
             self.octez_node.write().await.kill(),
             self.baker.write().await.kill(),
+            self.rollup.write().await.kill(),
         ])
         .await;
 
@@ -115,6 +132,7 @@ impl Task for Jstzd {
         let check_results = futures::future::join_all([
             self.octez_node.read().await.health_check(),
             self.baker.read().await.health_check(),
+            self.rollup.read().await.health_check(),
         ])
         .await;
 
@@ -139,12 +157,31 @@ impl Jstzd {
     const ACTIVATOR_ACCOUNT_SK: &'static str =
         "unencrypted:edsk31vznjHSSpGExDMHYASz45VZqXN4DPxvsa4hAyY8dHM28cZzp6";
     const ACTIVATOR_ACCOUNT_ALIAS: &'static str = "activator";
+    const ROLLUP_OPERATOR_ACCOUNT_SK: &'static str =
+        "unencrypted:edsk3gUfUPyBSfrS9CCgmCiQsTCHGkviBDusMxDJstFtojtc1zcpsh";
+    const ROLLUP_OPERATOR_ACCOUNT_ALIAS: &'static str = "bootstrap1";
 
-    async fn import_activator(octez_client: &OctezClient) {
+    async fn import_activator(octez_client: &OctezClient) -> Result<()> {
         octez_client
             .import_secret_key(Self::ACTIVATOR_ACCOUNT_ALIAS, Self::ACTIVATOR_ACCOUNT_SK)
             .await
-            .expect("Failed to import account 'activator'");
+            .context(format!(
+                "Failed to import account '{}'",
+                Self::ACTIVATOR_ACCOUNT_ALIAS
+            ))
+    }
+
+    async fn import_rollup_operator(octez_client: &OctezClient) -> Result<()> {
+        octez_client
+            .import_secret_key(
+                Self::ROLLUP_OPERATOR_ACCOUNT_ALIAS,
+                Self::ROLLUP_OPERATOR_ACCOUNT_SK,
+            )
+            .await
+            .context(format!(
+                "Failed to import account '{}'",
+                Self::ROLLUP_OPERATOR_ACCOUNT_ALIAS
+            ))
     }
 
     async fn activate_protocol(
@@ -173,6 +210,20 @@ impl Jstzd {
         }
         Ok(())
     }
+
+    /// Wait for the baker to bake at least `level` blocks.
+    async fn wait_for_block_level(node_endpoint: &Endpoint, level: i64) -> Result<()> {
+        let ready = retry(10, 1000, || async {
+            get_block_level(&node_endpoint.to_string())
+                .await
+                .map(|l| l >= level)
+        })
+        .await;
+        if !ready {
+            bail!("baker is not ready after retries");
+        }
+        Ok(())
+    }
 }
 
 #[derive(Clone, Default)]
@@ -283,6 +334,13 @@ impl JstzdServer {
             false
         }
     }
+
+    pub async fn rollup_healthy(&self) -> bool {
+        match &self.inner.state.read().await.jstzd {
+            Some(v) => v.rollup.read().await.health_check().await.unwrap_or(false),
+            None => false,
+        }
+    }
 }
 
 async fn health_check(state: &ServerState) -> bool {
diff --git a/crates/jstzd/src/task/utils.rs b/crates/jstzd/src/task/utils.rs
index afabb2826..45be9231b 100644
--- a/crates/jstzd/src/task/utils.rs
+++ b/crates/jstzd/src/task/utils.rs
@@ -1,3 +1,6 @@
+use anyhow::{anyhow, Result};
+use serde_json::Value;
+
 pub async fn retry<'a, F>(
     retries: u16,
     interval_ms: u64,
@@ -36,6 +39,19 @@ where
     None
 }
 
+pub async fn get_block_level(rpc_endpoint: &str) -> Result<i64> {
+    let blocks_head_endpoint = format!("{}/chains/main/blocks/head", rpc_endpoint);
+    let response: Value = reqwest::get(&blocks_head_endpoint).await?.json().await?;
+
+    let level = response
+        .get("header")
+        .and_then(|header| header.get("level"))
+        .ok_or_else(|| anyhow!("Failed to extract level from head block"))?;
+    level
+        .as_i64()
+        .ok_or_else(|| anyhow!("Level is not a valid i64"))
+}
+
 #[cfg(test)]
 mod tests {
     use std::sync::Arc;
diff --git a/crates/jstzd/tests/jstzd_test.rs b/crates/jstzd/tests/jstzd_test.rs
index 3f8b13214..b68074faa 100644
--- a/crates/jstzd/tests/jstzd_test.rs
+++ b/crates/jstzd/tests/jstzd_test.rs
@@ -1,28 +1,55 @@
 mod utils;
+use std::io::Read;
 use std::path::PathBuf;
+use std::str::FromStr;
+use std::time::Duration;
 
+use jstzd::jstz_rollup_path::*;
+
+use http::Uri;
 use jstzd::task::jstzd::{JstzdConfig, JstzdServer};
 use jstzd::task::utils::retry;
-use jstzd::BOOTSTRAP_CONTRACT_NAMES;
+use jstzd::{BOOTSTRAP_CONTRACT_NAMES, JSTZ_ROLLUP_ADDRESS};
 use octez::r#async::baker::{BakerBinaryPath, OctezBakerConfigBuilder};
 use octez::r#async::client::{OctezClient, OctezClientConfigBuilder};
 use octez::r#async::endpoint::Endpoint;
 use octez::r#async::node_config::{OctezNodeConfigBuilder, OctezNodeRunOptionsBuilder};
 use octez::r#async::protocol::{
-    BootstrapAccount, BootstrapContract, ProtocolParameterBuilder,
+    BootstrapAccount, BootstrapContract, BootstrapSmartRollup, ProtocolParameterBuilder,
+    SmartRollupPvmKind,
 };
+use octez::r#async::rollup::{OctezRollupConfigBuilder, RollupDataDir};
 use octez::unused_port;
-use tokio::time::{sleep, timeout, Duration};
+use serde_json::Value;
+use std::fs;
+use tempfile::NamedTempFile;
+use tezos_crypto_rs::hash::SmartRollupHash;
+use tokio::time::{sleep, timeout};
 
+const ACTIVATOR_PK: &str = "edpkuSLWfVU1Vq7Jg9FucPyKmma6otcMHac9zG4oU1KMHSTBpJuGQ2";
 const CONTRACT_INIT_BALANCE: f64 = 1.0;
+pub const JSTZ_ROLLUP_OPERATOR_PK: &str =
+    "edpkuBknW28nW72KG6RoHtYW7p12T6GKc7nAbwYX5m8Wd9sDVC9yav";
+pub const JSTZ_ROLLUP_OPERATOR_ALIAS: &str = "bootstrap1";
+
+#[cfg_attr(feature = "ignore-flaky-tests", ignore)]
 #[tokio::test(flavor = "multi_thread")]
 async fn jstzd_test() {
-    let rpc_endpoint = Endpoint::localhost(unused_port());
+    let octez_node_rpc_endpoint = Endpoint::localhost(unused_port());
+    let rollup_rpc_endpoint = Endpoint::try_from(
+        Uri::from_str(&format!("http://127.0.0.1:{}", unused_port())).unwrap(),
+    )
+    .unwrap();
     let jstzd_port = unused_port();
-    let (mut jstzd, config) = create_jstzd_server(&rpc_endpoint, jstzd_port).await;
+    let (mut jstzd, config, kernel_debug_file) =
+        create_jstzd_server(&octez_node_rpc_endpoint, &rollup_rpc_endpoint, jstzd_port)
+            .await;
 
     jstzd.run().await.unwrap();
-    ensure_jstzd_components_are_up(&jstzd, &rpc_endpoint, jstzd_port).await;
+    ensure_jstzd_components_are_up(&jstzd, &octez_node_rpc_endpoint, jstzd_port).await;
+
+    ensure_rollup_is_logging_to(kernel_debug_file).await;
+
     let octez_client = OctezClient::new(config.octez_client_config().clone());
     check_bootstrap_contracts(&octez_client).await;
 
@@ -41,7 +68,7 @@ async fn jstzd_test() {
         .await
         .expect("should not wait too long for the server to be taken down");
 
-    ensure_jstzd_components_are_down(&jstzd, &rpc_endpoint, jstzd_port).await;
+    ensure_jstzd_components_are_down(&jstzd, &octez_node_rpc_endpoint, jstzd_port).await;
 
     // calling `run` after calling `stop` should fail because all states should have been cleared
     assert_eq!(
@@ -52,8 +79,9 @@ async fn jstzd_test() {
 
 async fn create_jstzd_server(
     octez_node_rpc_endpoint: &Endpoint,
+    rollup_rpc_endpoint: &Endpoint,
     jstzd_port: u16,
-) -> (JstzdServer, JstzdConfig) {
+) -> (JstzdServer, JstzdConfig, NamedTempFile) {
     let run_options = OctezNodeRunOptionsBuilder::new()
         .set_synchronisation_threshold(0)
         .set_network("sandbox")
@@ -64,14 +92,28 @@ async fn create_jstzd_server(
         .set_run_options(&run_options)
         .build()
         .unwrap();
+
+    let (rollup_kernel_installer, rollup_preimages_dir, rollup_parameters_ty) =
+        jstz_rollup_files();
+
     let protocol_params = ProtocolParameterBuilder::new()
         // this is the activator account
         // fund the account so that it can be used by the baker
         // give it at least 12000 (6000 for bootstrap + 6000 for baking) tez
         // so that it does not run out of fund
-        .set_bootstrap_accounts([BootstrapAccount::new(
-            "edpkuSLWfVU1Vq7Jg9FucPyKmma6otcMHac9zG4oU1KMHSTBpJuGQ2",
-            15_000_000_000,
+        .set_bootstrap_accounts([
+            // activator is given at least 12000 (6000 for bootstrap + 6000 for baking) tez for baking
+            BootstrapAccount::new(ACTIVATOR_PK, 15_000_000_000).unwrap(),
+            BootstrapAccount::new(JSTZ_ROLLUP_OPERATOR_PK, 60_000_000_000).unwrap(),
+        ])
+        .set_bootstrap_smart_rollups([BootstrapSmartRollup::new(
+            JSTZ_ROLLUP_ADDRESS,
+            SmartRollupPvmKind::Wasm,
+            fs::read_to_string(rollup_kernel_installer.as_path())
+                .unwrap()
+                .as_str(),
+            Value::from_str(fs::read_to_string(rollup_parameters_ty).unwrap().as_str())
+                .expect("failed to stringify JSON"),
         )
         .unwrap()])
         .set_bootstrap_contracts(read_bootstrap_contracts().await)
@@ -91,14 +133,33 @@ async fn create_jstzd_server(
         .set_octez_node_endpoint(&octez_node_config.rpc_endpoint)
         .build()
         .expect("Failed to build baker config");
-
+    let kernel_debug_file = NamedTempFile::new().unwrap();
+    let rollup_config = OctezRollupConfigBuilder::new(
+        octez_node_rpc_endpoint.clone(),
+        octez_client_config.base_dir().into(),
+        SmartRollupHash::from_base58_check(JSTZ_ROLLUP_ADDRESS).unwrap(),
+        JSTZ_ROLLUP_OPERATOR_ALIAS.to_string(),
+        rollup_kernel_installer,
+    )
+    .set_data_dir(RollupDataDir::TempWithPreImages {
+        preimages_dir: rollup_preimages_dir,
+    })
+    .set_rpc_endpoint(rollup_rpc_endpoint)
+    .set_kernel_debug_file(kernel_debug_file.path())
+    .build()
+    .expect("failed to build rollup config");
     let config = JstzdConfig::new(
         octez_node_config,
         baker_config,
         octez_client_config.clone(),
+        rollup_config.clone(),
         protocol_params,
     );
-    (JstzdServer::new(config.clone(), jstzd_port), config)
+    (
+        JstzdServer::new(config.clone(), jstzd_port),
+        config,
+        kernel_debug_file,
+    )
 }
 
 async fn ensure_jstzd_components_are_up(
@@ -106,12 +167,12 @@ async fn ensure_jstzd_components_are_up(
     octez_node_rpc_endpoint: &Endpoint,
     jstzd_port: u16,
 ) {
-    let jstz_health_check_endpoint = format!("http://localhost:{}/health", jstzd_port);
+    let jstzd_health_check_endpoint = format!("http://localhost:{}/health", jstzd_port);
     let octez_node_health_check_endpoint =
         format!("{}/health/ready", octez_node_rpc_endpoint);
 
     let jstzd_running = retry(30, 1000, || async {
-        let res = reqwest::get(&jstz_health_check_endpoint).await;
+        let res = reqwest::get(&jstzd_health_check_endpoint).await;
         Ok(res.is_ok())
     })
     .await;
@@ -121,8 +182,10 @@ async fn ensure_jstzd_components_are_up(
     assert!(reqwest::get(&octez_node_health_check_endpoint)
         .await
         .is_ok());
-
     assert!(jstzd.baker_healthy().await);
+    let rollup_running =
+        retry(10, 1000, || async { Ok(jstzd.rollup_healthy().await) }).await;
+    assert!(rollup_running);
     assert!(jstzd.health_check().await);
 }
 
@@ -131,12 +194,12 @@ async fn ensure_jstzd_components_are_down(
     octez_node_rpc_endpoint: &Endpoint,
     jstzd_port: u16,
 ) {
-    let jstz_health_check_endpoint = format!("http://localhost:{}/health", jstzd_port);
+    let jstzd_health_check_endpoint = format!("http://localhost:{}/health", jstzd_port);
     let octez_node_health_check_endpoint =
         format!("{}/health/ready", octez_node_rpc_endpoint);
 
     let jstzd_stopped = retry(30, 1000, || async {
-        let res = reqwest::get(&jstz_health_check_endpoint).await;
+        let res = reqwest::get(&jstzd_health_check_endpoint).await;
         if let Err(e) = res {
             return Ok(e.to_string().contains("Connection refused"));
         }
@@ -157,8 +220,9 @@ async fn ensure_jstzd_components_are_down(
     })
     .await;
     assert!(node_destroyed);
-
     assert!(!jstzd.baker_healthy().await);
+
+    assert!(!jstzd.rollup_healthy().await);
     assert!(!jstzd.health_check().await);
 }
 
@@ -215,6 +279,14 @@ async fn fetch_config_test(jstzd_config: JstzdConfig, jstzd_port: u16) {
     );
 }
 
+fn jstz_rollup_files() -> (PathBuf, PathBuf, PathBuf) {
+    (
+        kernel_installer_path(),
+        preimages_path(),
+        parameters_ty_path(),
+    )
+}
+
 async fn read_bootstrap_contracts() -> Vec<BootstrapContract> {
     let mut contracts = vec![];
     for (contract_name, hash) in BOOTSTRAP_CONTRACT_NAMES {
@@ -250,3 +322,10 @@ async fn check_bootstrap_contracts(octez_client: &OctezClient) {
         );
     }
 }
+async fn ensure_rollup_is_logging_to(kernel_debug_file: NamedTempFile) {
+    let mut file = kernel_debug_file.reopen().unwrap();
+    let mut contents = String::new();
+    file.read_to_string(&mut contents).unwrap();
+    assert!(contents.contains("Internal message: start of level"));
+    assert!(contents.contains("Internal message: end of level"));
+}
diff --git a/crates/jstzd/tests/octez_baker_test.rs b/crates/jstzd/tests/octez_baker_test.rs
index 7434531db..1b7678b09 100644
--- a/crates/jstzd/tests/octez_baker_test.rs
+++ b/crates/jstzd/tests/octez_baker_test.rs
@@ -1,6 +1,6 @@
 mod utils;
-use jstzd::task::Task;
-use utils::{get_block_level, setup};
+use jstzd::task::{utils::get_block_level, Task};
+use utils::setup;
 
 #[tokio::test(flavor = "multi_thread")]
 async fn test_baker() {
@@ -10,9 +10,9 @@ async fn test_baker() {
     let _ = baker.kill().await;
     assert!(!baker.health_check().await.unwrap());
     // check if the block level stops increasing after killing
-    let last_level = get_block_level(&node_endpoint.to_string()).await;
+    let last_level = get_block_level(&node_endpoint.to_string()).await.unwrap();
     tokio::time::sleep(tokio::time::Duration::from_secs(2)).await;
-    let current_level = get_block_level(&node_endpoint.to_string()).await;
+    let current_level = get_block_level(&node_endpoint.to_string()).await.unwrap();
     assert_eq!(last_level, current_level);
     let _ = octez_node.kill().await;
 }
diff --git a/crates/jstzd/tests/sandbox-params.json b/crates/jstzd/tests/sandbox-params.json
index 6c31b87a3..068755257 100644
--- a/crates/jstzd/tests/sandbox-params.json
+++ b/crates/jstzd/tests/sandbox-params.json
@@ -8,7 +8,7 @@
   ],
   "bootstrap_smart_rollups": [
     {
-      "address": "sr1PuFMgaRUN12rKQ3J2ae5psNtwCxPNmGNK",
+      "address": "sr1JVr8SmBYRRFq38HZGM7nJUa9VcfwxGSXc",
       "pvm_kind": "wasm_2_0_0",
       "kernel": "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       "parameters_ty": {
diff --git a/crates/jstzd/tests/utils.rs b/crates/jstzd/tests/utils.rs
index 2d9ccd888..0d66ab83d 100644
--- a/crates/jstzd/tests/utils.rs
+++ b/crates/jstzd/tests/utils.rs
@@ -1,5 +1,11 @@
 #![allow(dead_code)]
-use jstzd::task::{octez_baker, octez_node::OctezNode, octez_rollup, utils::retry, Task};
+use jstzd::task::{
+    octez_baker,
+    octez_node::OctezNode,
+    octez_rollup,
+    utils::{get_block_level, retry},
+    Task,
+};
 use octez::r#async::{
     baker::{BakerBinaryPath, OctezBakerConfigBuilder},
     client::{OctezClient, OctezClientConfigBuilder},
@@ -8,14 +14,14 @@ use octez::r#async::{
     protocol::Protocol,
     rollup::{OctezRollupConfigBuilder, RollupDataDir},
 };
-use regex::Regex;
 use std::path::{Path, PathBuf};
 use tezos_crypto_rs::hash::{BlockHash, OperationHash, SmartRollupHash};
 use tokio::io::AsyncReadExt;
 
 pub const ACTIVATOR_SECRET_KEY: &str =
     "unencrypted:edsk31vznjHSSpGExDMHYASz45VZqXN4DPxvsa4hAyY8dHM28cZzp6";
-pub const ROLLUP_ADDRESS: &str = "sr1PuFMgaRUN12rKQ3J2ae5psNtwCxPNmGNK";
+pub const TOY_ROLLUP_ADDRESS: &str = "sr1JVr8SmBYRRFq38HZGM7nJUa9VcfwxGSXc";
+pub const TOY_ROLLUP_OPERATOR_ALIAS: &str = "bootstrap1";
 
 pub async fn setup(
     param_file_path: Option<PathBuf>,
@@ -41,7 +47,7 @@ pub async fn spawn_rollup(
     let config = OctezRollupConfigBuilder::new(
         octez_node.rpc_endpoint().clone(),
         octez_client.base_dir().into(),
-        SmartRollupHash::from_base58_check(rollup_address.unwrap_or(ROLLUP_ADDRESS))
+        SmartRollupHash::from_base58_check(rollup_address.unwrap_or(TOY_ROLLUP_ADDRESS))
             .unwrap(),
         "bootstrap1".to_string(),
         installer_path,
@@ -76,7 +82,7 @@ pub async fn spawn_baker(
     assert!(baker_node.health_check().await.unwrap());
     let node_endpoint = octez_node.rpc_endpoint();
     let block_baked = retry(10, 1000, || async {
-        let level = get_block_level(&node_endpoint.to_string()).await;
+        let level = get_block_level(&node_endpoint.to_string()).await?;
         Ok(level > 1)
     })
     .await;
@@ -106,24 +112,6 @@ pub fn create_client(node_endpoint: &Endpoint) -> OctezClient {
     OctezClient::new(config)
 }
 
-pub async fn get_block_level(rpc_endpoint: &str) -> i32 {
-    let blocks_head_endpoint =
-        format!("{}/chains/main/blocks/head", rpc_endpoint.to_owned());
-    let response = get_request(&blocks_head_endpoint).await;
-    extract_level(&response)
-}
-
-fn extract_level(input: &str) -> i32 {
-    // Create a regex to match "level": followed by a number
-    let re = Regex::new(r#""level":\s*(\d+)"#).unwrap();
-    // Extract the number as a string and parse it to i32
-    re.captures(input)
-        .unwrap()
-        .get(1)
-        .map(|level_match| level_match.as_str().parse::<i32>().unwrap())
-        .unwrap()
-}
-
 pub async fn get_head_block_hash(rpc_endpoint: &str) -> BlockHash {
     let blocks_head_endpoint =
         format!("{}/chains/main/blocks/head", rpc_endpoint.to_owned());
diff --git a/crates/octez/src/async/rollup.rs b/crates/octez/src/async/rollup.rs
index fe3708ebd..9c18cc356 100644
--- a/crates/octez/src/async/rollup.rs
+++ b/crates/octez/src/async/rollup.rs
@@ -3,6 +3,7 @@ use crate::unused_port;
 use super::{bootstrap::SmartRollupPvmKind, endpoint::Endpoint};
 use anyhow::Result;
 use http::Uri;
+use serde::Deserialize;
 use std::{
     path::{Path, PathBuf},
     str::FromStr,
@@ -12,7 +13,7 @@ use tokio::process::{Child, Command};
 
 const DEFAULT_BINARY_PATH: &str = "octez-smart-rollup-node";
 
-#[derive(Clone, PartialEq, Debug)]
+#[derive(Clone, PartialEq, Debug, Deserialize)]
 pub enum RollupDataDir {
     /// Path to the rollup data directory. This directory
     /// should contain the kernel pre image files under `wasm_2_0_0/`
@@ -27,6 +28,7 @@ pub enum RollupDataDir {
     Temp,
 }
 
+#[derive(Deserialize)]
 pub struct OctezRollupConfigBuilder {
     /// global options:
     /// Path to the octez-smart-rollup-node binary
diff --git a/nix/crates.nix b/nix/crates.nix
index 9d1fe9eae..f11cbb01e 100644
--- a/nix/crates.nix
+++ b/nix/crates.nix
@@ -43,6 +43,16 @@
   # This is useful for caching the dependencies when in CI.
   cargoDeps = craneLib.buildDepsOnly common;
 
+  jstz_kernel = craneLib.buildPackage (common
+    // rec {
+      inherit (craneLib.crateNameFromCargoToml {inherit src;}) version;
+      cargoArtifacts = cargoDeps;
+      doCheck = false;
+      pname = "jstz_kernel";
+      target = "wasm32-unknown-unknown";
+      cargoExtraArgs = "-p ${pname} --target ${target}";
+    });
+
   # A common set of attributes for workspace crates
   commonWorkspace =
     common
@@ -50,20 +60,14 @@
       inherit (craneLib.crateNameFromCargoToml {inherit src;}) version;
       cargoArtifacts = cargoDeps;
       doCheck = false;
-
-      # HACK
-      # To build the `jstz_cli` crate, we need a `jstz_kernel.wasm` file
-      # in the `jstz_cli` crate. This is a dummy kernel that is used to
-      # build the `jstz_cli` crate. See the `jstz_cli` derivation below
-      # for building the actual kernel.
-      preBuildPhases = ["mkDummyJstzKernelForCli"];
-      mkDummyJstzKernelForCli = ''
-        touch ./crates/jstz_cli/jstz_kernel.wasm
+      buildInputs = common.buildInputs ++ [pkgs.iana-etc octez pkgs.cacert];
+      preBuildPhases = ["cpJstzKernel"];
+      cpJstzKernel = ''
+        cp ${jstz_kernel}/lib/jstz_kernel.wasm ./crates/jstz_cli/jstz_kernel.wasm
+        cp ${jstz_kernel}/lib/jstz_kernel.wasm ./crates/jstzd/resources/jstz_rollup/jstz_kernel.wasm
       '';
     };
 
-  workspace = craneLib.cargoBuild commonWorkspace;
-
   # Build a crate in the workspace
   crate = pname:
     craneLib.buildPackage (commonWorkspace
@@ -73,16 +77,18 @@
       });
 
   # Build a crate in the workspace for a specific target (cross compiled)
-  crossCrate = pname: target:
-    craneLib.buildPackage (commonWorkspace
-      // {
-        inherit pname;
-        cargoExtraArgs = "-p ${pname} --target ${target}";
-      });
+  # Uncomment when we have more than one target.
+  #
+  # crossCrate = pname: target:
+  #   craneLib.buildPackage (commonWorkspace
+  #     // {
+  #       inherit pname;
+  #       cargoExtraArgs = "-p ${pname} --target ${target}";
+  #     });
+
+  workspace = craneLib.cargoBuild commonWorkspace;
 in {
-  packages = let
-    jstz_kernel = crossCrate "jstz_kernel" "wasm32-unknown-unknown";
-  in {
+  packages = {
     # A list of all the crates in the workspace
     # When adding a new crate, add it to this list
     # in alphabetical order.
@@ -107,7 +113,15 @@ in {
     jstz_proto = crate "jstz_proto";
     jstz_rollup = crate "jstz_rollup";
     jstz_wpt = crate "jstz_wpt";
-    jstzd = crate "jstzd";
+    jstzd = craneLib.buildPackage (commonWorkspace
+      // rec {
+        pname = "jstzd";
+        cargoExtraArgs = "-p ${pname}";
+        preBuildPhases = ["mkJstzKernelForJstzd"];
+        mkJstzKernelForJstzd = ''
+          cp ${jstz_kernel}/lib/jstz_kernel.wasm ./crates/jstzd/resources/jstz_rollup/jstz_kernel.wasm
+        '';
+      });
     octez = crate "octez";
 
     # Special target to build all crates in the workspace
@@ -116,10 +130,10 @@ in {
 
   checks = {
     # Build the workspace as part of `nix flake check`
-    cargo-build = workspace;
 
     cargo-test-unit = craneLib.cargoNextest (commonWorkspace
       // {
+        buildInputs = commonWorkspace.buildInputs ++ [pkgs.iana-etc octez pkgs.cacert];
         doCheck = true;
         # Run the unit tests
         cargoNextestExtraArgs = "--bins --lib";
@@ -135,7 +149,9 @@ in {
         # Don't run the `jstz_api` integration tests until they've been paralellized
         #
         # Note: --workspace is required for --exclude. Once --exclude is removed, remove --workspace
-        cargoNextestExtraArgs = "--workspace --test \"*\" --exclude \"jstz_api\"";
+        # FIXME(https://linear.app/tezos/issue/JSTZ-237):
+        # Fix tests that only fail in CI/Nix
+        cargoNextestExtraArgs = "--workspace --test \"*\" --exclude \"jstz_api\" --features \"ignore-flaky-tests\"";
       });
 
     cargo-llvm-cov = craneLib.cargoLlvmCov (commonWorkspace