diff --git a/crates/astria-auctioneer/src/auction/builder.rs b/crates/astria-auctioneer/src/auction/builder.rs
index 6b9abc86cd..700d55b5d3 100644
--- a/crates/astria-auctioneer/src/auction/builder.rs
+++ b/crates/astria-auctioneer/src/auction/builder.rs
@@ -1,7 +1,9 @@
 use std::time::Duration;
 
-use astria_core::generated::bundle::v1alpha1::GetBundleStreamResponse;
-use astria_eyre::eyre;
+use astria_core::primitive::v1::{
+    asset,
+    RollupId,
+};
 use tokio::sync::{
     mpsc,
     oneshot,
@@ -12,6 +14,7 @@ use super::{
     Auction,
     Handle,
     Id,
+    SequencerKey,
 };
 use crate::Metrics;
 
@@ -28,6 +31,12 @@ pub(crate) struct Builder {
     pub(crate) latency_margin: Duration,
     /// The ID of the auction to be run
     pub(crate) auction_id: Id,
+    /// The key used to sign sequencer transactions
+    pub(crate) sequencer_key: SequencerKey,
+    /// The denomination of the fee asset used in the sequencer transactions
+    pub(crate) fee_asset_denomination: asset::Denom,
+    /// The rollup ID used for `RollupDataSubmission` with the auction result
+    pub(crate) rollup_id: RollupId,
 }
 
 impl Builder {
@@ -39,6 +48,9 @@ impl Builder {
             sequencer_abci_endpoint,
             latency_margin,
             auction_id,
+            fee_asset_denomination,
+            rollup_id,
+            sequencer_key,
         } = self;
 
         let (executed_block_tx, executed_block_rx) = oneshot::channel();
@@ -58,6 +70,9 @@ impl Builder {
             new_bundles_rx,
             auction_id,
             latency_margin,
+            sequencer_key,
+            fee_asset_denomination,
+            rollup_id,
         };
 
         (
diff --git a/crates/astria-auctioneer/src/auction/manager.rs b/crates/astria-auctioneer/src/auction/manager.rs
index 469c9280dc..c34d549b22 100644
--- a/crates/astria-auctioneer/src/auction/manager.rs
+++ b/crates/astria-auctioneer/src/auction/manager.rs
@@ -1,6 +1,12 @@
 use std::collections::HashMap;
 
-use astria_core::generated::bundle::v1alpha1::Bundle;
+use astria_core::{
+    generated::bundle::v1alpha1::Bundle,
+    primitive::v1::{
+        asset,
+        RollupId,
+    },
+};
 use astria_eyre::eyre::{
     self,
     OptionExt as _,
@@ -15,28 +21,45 @@ use tracing::instrument;
 use super::{
     Handle,
     Id,
+    SequencerKey,
 };
 use crate::flatten_result;
 
 pub(crate) struct Builder {
     pub(crate) metrics: &'static crate::Metrics,
     pub(crate) shutdown_token: CancellationToken,
+
+    /// The gRPC endpoint for the sequencer service used by auctions.
     pub(crate) sequencer_grpc_endpoint: String,
+    /// The ABCI endpoint for the sequencer service used by auctions.
     pub(crate) sequencer_abci_endpoint: String,
+    /// The amount of time to run the auction timer for.
     pub(crate) latency_margin: std::time::Duration,
+    /// The private key used to sign sequencer transactions.
+    pub(crate) sequencer_key: SequencerKey,
+    /// The denomination of the fee asset used in the sequencer transactions
+    pub(crate) fee_asset_denomination: asset::Denom,
+    /// The chain ID for sequencer transactions
+    pub(crate) sequencer_chain_id: String,
+    /// The rollup ID for the `RollupDataSubmission`s with auction results
+    pub(crate) rollup_id: RollupId,
 }
 
 impl Builder {
-    pub(crate) fn build(self) -> Manager {
+    pub(crate) fn build(self) -> eyre::Result<Manager> {
         let Self {
             metrics,
             shutdown_token,
             sequencer_grpc_endpoint,
             sequencer_abci_endpoint,
             latency_margin,
+            fee_asset_denomination,
+            rollup_id,
+            sequencer_key,
+            sequencer_chain_id,
         } = self;
 
-        Manager {
+        Ok(Manager {
             metrics,
             shutdown_token,
             sequencer_grpc_endpoint,
@@ -44,7 +67,11 @@ impl Builder {
             latency_margin,
             running_auctions: JoinMap::new(),
             auction_handles: HashMap::new(),
-        }
+            sequencer_key,
+            fee_asset_denomination,
+            sequencer_chain_id,
+            rollup_id,
+        })
     }
 }
 
@@ -57,6 +84,10 @@ pub(crate) struct Manager {
     running_auctions: JoinMap<Id, eyre::Result<()>>,
     auction_handles: HashMap<Id, Handle>,
     // TODO: hold the bundle stream here?
+    sequencer_key: SequencerKey,
+    fee_asset_denomination: asset::Denom,
+    sequencer_chain_id: String,
+    rollup_id: RollupId,
 }
 
 impl Manager {
@@ -69,6 +100,9 @@ impl Manager {
             sequencer_abci_endpoint: self.sequencer_abci_endpoint.clone(),
             latency_margin: self.latency_margin,
             auction_id,
+            sequencer_key: self.sequencer_key.clone(),
+            fee_asset_denomination: self.fee_asset_denomination.clone(),
+            rollup_id: self.rollup_id,
         }
         .build();
 
@@ -104,7 +138,7 @@ impl Manager {
             .wrap_err("failed to start processing bids")
     }
 
-    pub(crate) fn try_send_bundle(&mut self, _bundle: Bundle) -> eyre::Result<()> {
+    pub(crate) fn try_send_bundle(&mut self, _auction_id: Id, _bundle: Bundle) -> eyre::Result<()> {
         unimplemented!()
         // try to get the handle for the appropriate auction
         // try send into that auction
diff --git a/crates/astria-auctioneer/src/auction/mod.rs b/crates/astria-auctioneer/src/auction/mod.rs
index 2174954ccd..3d625ce865 100644
--- a/crates/astria-auctioneer/src/auction/mod.rs
+++ b/crates/astria-auctioneer/src/auction/mod.rs
@@ -124,7 +124,7 @@ struct Auction {
     /// The key used to sign transactions on the sequencer
     sequencer_key: SequencerKey,
     /// Fee asset for submitting transactions
-    fee_asset: asset::Denom,
+    fee_asset_denomination: asset::Denom,
     /// Rollup ID to submit the auction result to
     rollup_id: RollupId,
 }
@@ -201,7 +201,7 @@ impl Auction {
         let transaction_body = auction_result
             .wrap_err("")?
             .ok_or_eyre("auction ended with no winning bid")?
-            .into_transaction_body(nonce, self.rollup_id, self.fee_asset.clone());
+            .into_transaction_body(nonce, self.rollup_id, self.fee_asset_denomination.clone());
 
         let transaction = transaction_body.sign(self.sequencer_key.signing_key());
 
diff --git a/crates/astria-auctioneer/src/auctioneer/inner.rs b/crates/astria-auctioneer/src/auctioneer/inner.rs
index f370b4b743..de2e081016 100644
--- a/crates/astria-auctioneer/src/auctioneer/inner.rs
+++ b/crates/astria-auctioneer/src/auctioneer/inner.rs
@@ -51,6 +51,10 @@ impl Auctioneer {
             latency_margin_ms,
             rollup_grpc_endpoint,
             rollup_id,
+            sequencer_chain_id,
+            sequencer_private_key_path,
+            sequencer_address_prefix,
+            fee_asset_denomination,
             ..
         } = cfg;
 
@@ -64,6 +68,10 @@ impl Auctioneer {
             rollup_id,
             rollup_grpc_endpoint,
             latency_margin: Duration::from_millis(latency_margin_ms),
+            sequencer_private_key_path,
+            sequencer_address_prefix,
+            fee_asset_denomination,
+            sequencer_chain_id,
         }
         .build()
         .wrap_err("failed to initialize the optimistic executor")?;
diff --git a/crates/astria-auctioneer/src/config.rs b/crates/astria-auctioneer/src/config.rs
index ffc6da1ba7..7ef5c971f7 100644
--- a/crates/astria-auctioneer/src/config.rs
+++ b/crates/astria-auctioneer/src/config.rs
@@ -20,10 +20,10 @@ pub struct Config {
     /// The file path for the private key used to sign sequencer transactions with the auction
     /// results
     pub sequencer_private_key_path: String,
-    // The fee asset denomination to use for the sequnecer transactions.
-    pub fee_asset_denomination: asset::Denom,
     // The address prefix to use when constructing sequencer addresses using the signing key.
     pub sequencer_address_prefix: String,
+    // The fee asset denomination to use for the sequnecer transactions.
+    pub fee_asset_denomination: asset::Denom,
     /// The endpoint for the rollup gRPC service used for the optimistic execution and bundle
     /// streams
     pub rollup_grpc_endpoint: String,
diff --git a/crates/astria-auctioneer/src/optimistic_executor/builder.rs b/crates/astria-auctioneer/src/optimistic_executor/builder.rs
index 844b592fc3..c4b5aff321 100644
--- a/crates/astria-auctioneer/src/optimistic_executor/builder.rs
+++ b/crates/astria-auctioneer/src/optimistic_executor/builder.rs
@@ -1,11 +1,21 @@
 use std::time::Duration;
 
-use astria_core::primitive::v1::RollupId;
-use astria_eyre::eyre;
+use astria_core::primitive::v1::{
+    asset,
+    RollupId,
+};
+use astria_eyre::{
+    eyre,
+    eyre::WrapErr as _,
+};
 use tokio_util::sync::CancellationToken;
+use tracing::info;
 
 use super::Startup;
-use crate::Metrics;
+use crate::{
+    sequencer_key::SequencerKey,
+    Metrics,
+};
 
 pub(crate) struct Builder {
     pub(crate) metrics: &'static Metrics,
@@ -14,6 +24,15 @@ pub(crate) struct Builder {
     pub(crate) sequencer_grpc_endpoint: String,
     /// The endpoint for the sequencer ABCI service used to submit the auction winner transaction
     pub(crate) sequencer_abci_endpoint: String,
+    /// The file path for the private key used to sign sequencer transactions with the auction
+    /// results
+    pub(crate) sequencer_private_key_path: String,
+    /// The prefix for the address used to sign sequencer transactions
+    pub(crate) sequencer_address_prefix: String,
+    /// The denomination of the fee asset used in the sequencer transactions
+    pub(crate) fee_asset_denomination: asset::Denom,
+    /// The chain ID for sequencer transactions
+    pub(crate) sequencer_chain_id: String,
     /// The rollup ID for the filtered optimistic block stream
     pub(crate) rollup_id: String,
     /// The endpoint for the rollup's optimistic execution gRPC service
@@ -32,8 +51,19 @@ impl Builder {
             rollup_id,
             rollup_grpc_endpoint,
             latency_margin,
+            sequencer_private_key_path,
+            sequencer_address_prefix,
+            fee_asset_denomination,
+            sequencer_chain_id,
         } = self;
 
+        let sequencer_key = SequencerKey::builder()
+            .path(sequencer_private_key_path)
+            .prefix(sequencer_address_prefix)
+            .try_build()
+            .wrap_err("failed to load sequencer private key")?;
+        info!(address = %sequencer_key.address(), "loaded sequencer signer");
+
         let rollup_id = RollupId::from_unhashed_bytes(&rollup_id);
 
         Ok(Startup {
@@ -44,6 +74,9 @@ impl Builder {
             rollup_id,
             rollup_grpc_endpoint,
             latency_margin,
+            sequencer_key,
+            fee_asset_denomination,
+            sequencer_chain_id,
         })
     }
 }
diff --git a/crates/astria-auctioneer/src/optimistic_executor/mod.rs b/crates/astria-auctioneer/src/optimistic_executor/mod.rs
index 7392e0039b..c32abdcde9 100644
--- a/crates/astria-auctioneer/src/optimistic_executor/mod.rs
+++ b/crates/astria-auctioneer/src/optimistic_executor/mod.rs
@@ -2,7 +2,10 @@ mod builder;
 
 use std::time::Duration;
 
-use astria_core::primitive::v1::RollupId;
+use astria_core::primitive::v1::{
+    asset,
+    RollupId,
+};
 use astria_eyre::eyre::{
     self,
     OptionExt,
@@ -28,6 +31,7 @@ use crate::{
         optimistic_stream::OptimisticBlockStream,
     },
     sequencer_grpc_client::SequencerGrpcClient,
+    sequencer_key::SequencerKey,
 };
 
 pub(crate) struct Startup {
@@ -36,6 +40,9 @@ pub(crate) struct Startup {
     shutdown_token: CancellationToken,
     sequencer_grpc_endpoint: String,
     sequencer_abci_endpoint: String,
+    sequencer_key: SequencerKey,
+    fee_asset_denomination: asset::Denom,
+    sequencer_chain_id: String,
     rollup_id: RollupId,
     rollup_grpc_endpoint: String,
     latency_margin: Duration,
@@ -51,6 +58,9 @@ impl Startup {
             rollup_id,
             rollup_grpc_endpoint,
             latency_margin,
+            sequencer_key,
+            fee_asset_denomination,
+            sequencer_chain_id,
         } = self;
 
         let sequencer_client = SequencerGrpcClient::new(&sequencer_grpc_endpoint)
@@ -73,14 +83,20 @@ impl Startup {
         // let bundle_stream = BundleServiceClient::new(bundle_service_grpc_url)
         //     .wrap_err("failed to initialize bundle service grpc client")?;
 
+        // TODO: should i construct this in `Auctioneer::new()` instead of here?
         let auctions = auction::manager::Builder {
             metrics,
             shutdown_token: shutdown_token.clone(),
             sequencer_grpc_endpoint,
             sequencer_abci_endpoint,
             latency_margin,
+            sequencer_key,
+            fee_asset_denomination: fee_asset_denomination.clone(),
+            sequencer_chain_id,
+            rollup_id,
         }
-        .build();
+        .build()
+        .wrap_err("failed to initialize auction manager")?;
 
         let optimistic_block = optimistic_blocks
             .next()
diff --git a/crates/astria-auctioneer/src/sequencer_key.rs b/crates/astria-auctioneer/src/sequencer_key.rs
index d5a0c8be23..463f77fc27 100644
--- a/crates/astria-auctioneer/src/sequencer_key.rs
+++ b/crates/astria-auctioneer/src/sequencer_key.rs
@@ -17,6 +17,7 @@ use astria_eyre::eyre::{
     Context,
 };
 
+#[derive(Clone)]
 pub(crate) struct SequencerKey {
     address: Address,
     signing_key: SigningKey,