Job Description

N3XT is a Wyoming-chartered Special Purpose Depository Institution (SPDI). We are a 100% reserved, non-lending bank designed to serve as a secure bridge between traditional capital markets and public blockchain infrastructure. Backed by

Paradigm

,

HACK VC

,

Winklevoss Capital

, and

Pharsalus

, we prioritize safety and transparency for institutional B2B clients.

Position Summary

As an Infrastructure Engineer focused on blockchain and digital assets, you will lead the development and management of our hardened production environment. You will spend the majority of your time orchestrating blockchain nodes, managing cryptographic key lifecycles, and building comprehensive surveillance systems for on-chain activity. You will also build the automated CI/CD and IaC pipelines that keep our regulated banking rails synchronized and secure.

#

Key Responsibilities (Blockchain & Security Focus)

Resilient Node Infrastructure:

Architect and manage a multi-provider node network to ensure 100% data integrity and multi-source consensus.

Comprehensive On-Chain Monitoring:

Design and implement real-time surveillance for all smart contract events and private key actions. You will build automated alerts and invariant checks to detect unauthorized activity or performance degradation immediately.

Cryptographic Orchestration:

Manage institutional-grade

FIPS 140-2/3 Level 3 HSMs

and

MPC

systems, ensuring all key usage is logged and auditable.

Ledger & State Synchronization:

Build high-availability systems to facilitate real-time reconciliation between off-chain accounting and public blockchain state.

Smart Contract Lifecycle:

Lead the deployment of upgradeable smart contracts and manage

Timelock Governance

and

Emergency Pause

mechanisms.
#

Operational & Infrastructure Responsibilities

Infrastructure as Code (IaC):

Use

Terraform

to manage all cloud and node infrastructure as version-controlled, repeatable code.

Container Orchestration:

Design and scale high-availability

Kubernetes

clusters to support blockchain nodes and internal services.

Automated CI/CD:

Build secure, auditable pipelines for both smart contracts and infrastructure components.
#

What We're Looking For

Blockchain Infrastructure Expertise:

5+ years in DevOps/SRE with a minimum of 2-3 years specifically managing production-grade nodes.

Monitoring & Analytics:

Proven experience building real-time dashboards and alerting for blockchain events and wallet activity.

Security & Key Management:

Deep hands-on experience with hardware-backed key management (HSMs) and institutional custody protocols.

Smart Contract Proficiency:

Strong command of

Solidity

(EVM) and/or

Rust

(Solana).

DevOps Fundamentals:

Expert proficiency in

Terraform

,

Kubernetes

, and automated

CI/CD

pipelines.
#

Nice to Haves

Regulated Industry Experience:

Prior experience working in

Finance

,

Banking

, or other heavily regulated environments (e.g., Fintech, Healthcare). *

Node Engineering:

Familiarity with the source code of execution clients (e.g.,

Go

or

Rust

)