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Who We Are:Galaxy is a global leader in digital assets and data center infrastructure, delivering solutions that accelerate progress in finance and artificial intelligence. We believe that blockchain and digital asset innovation will transform how value moves through the world – and we’re building the products and services to make that future a reality. Our institutional digital assets platform spans trading, investment banking, asset management, staking, self-custody, and tokenization technology. We also invest in and operate cutting-edge data center infrastructure to power AI and high-performance computing, addressing the growing demand for scalable energy and compute in the U.S. We work at the intersection of finance and technology, helping institutions, startups, and developers navigate a digitally native economy. Led by CEO and Founder Michael Novogratz, our team blends deep crypto expertise with institutional experience and a shared commitment to shaping the future of Web3 and AI. Galaxy is headquartered in New York City, with offices across North America, Europe, the Middle East, and Asia. To learn more about our businesses and products, visit www.galaxy.com.

What We Value:

We are a diverse team of free thinkers, and fast movers united to help investors and creators energize the global economy. We are looking for individuals who thrive in a culture of builders and overachievers and embrace high performance, transparent feedback, and a mission-first approach. Our culture shapes our way of working and gets us where we want to be.

• Seek Excellence.
• Be Selective To Be Effective.
• Be Highly Aligned, Loosely Coupled.
• Disagree Transparently.
• Encourage Independent Decision-Making.
• Build Dream Teams.

Who You Are:

As a Senior Platform Engineer, you'll own the infrastructure that runs institutional-grade blockchain operations — with particular depth in Ethereum validator infrastructure, consensus and execution client operations, and the platform layer that makes all of it reliable, observable, and scalable.

This isn't a role where blockchain is adjacent to the real work. Validator clusters,client diversity, MEV infrastructure, slashing protection, and the operationalcomplexity of running Ethereum at institutional scale are core to what you'll buildand maintain. That sits alongside the broader platform stack: Kubernetes (EKS,GitOps with FluxCD), AWS, Kafka, secrets and key management (KMS/HSM,MPC), Postgres, and the observability layer. You'll also work closely with clients —understanding their systems, translating requirements into platform capabilities,and collaborating on integrations.

What You’ll Do:

• Own and operate Ethereum validator infrastructure at scale — consensus clients (Lighthouse, Prysm, Teku, Nimbus), execution clients (Geth,Nethermind, Besu, Reth), and the tooling that keeps them healthy, diverse, and performant.
• Build and maintain the platform layer underneath validator operations: cluster lifecycle management, client upgrades, peer connectivity, fork tracking, and the observability stack that surfaces what matters.
• Manage slashing protection, key management, and signer infrastructure (Web3Signer, distributed validators, HSM/MPC-backed signing) at the level of rigor institutional staking demands.
• Harden shared platform infrastructure: EKS environments, GitOps pipelines,secrets management, networking, CI/CD, and the data plane.
• Partner closely with clients on integration work across staking, tokenization, DeFi, and validator engagements. Translate their constraints into platform requirements and ship the code that closes the gap.
• Generalize patterns from client work into reusable platform capabilities — so the next engagement doesn't start from zero.
• Operate production systems where the failure mode is institutional money and reputation. On-call, incident response, post mortems.
• Contribute to architecture decisions across modules — staking, MPC quorum coordination, policy engine, vaults.

What We’re Looking For:

• Substantial experience building and operating distributed systems in production, ideally where reliability and security are first-class concerns.
• Deep comfort with the modern infrastructure stack: Kubernetes, AWS (or equivalent), infrastructure-as-code, GitOps, observability tooling, CI/CD.
• Strong software engineering fundamentals in at least one systems-capable language (Go, Rust, Python, TypeScript — what you've shipped matters more than which).
• Experience operating systems that hold or move value — custody, payments, exchanges, key management, HSMs, MPC — or a clear track record in adjacent high-stakes domains.
• Comfort being customer-facing. You'll sit with client engineers, understand their constraints, and ship into their environment. Strong written and verbal communication.
• High agency. We operate decentralized command — squad leads own within their mandate. You should be the kind of engineer who finds the work, not the kind who waits for it.
• For staff candidates: a track record of setting technical direction across multiple teams or engagements, and of growing the engineers around you.

Bonus Points:

• Experience with MEV infrastructure — mev-boost, relay operation,builder/proposer separation, and its implications for validator profitability and performance.
• Broader multi-chain infrastructure experience: Solana, Cosmos-SDK chains, L2s, or other PoS networks with their own client ecosystems.
• Experience with distributed validator technology (DVT) — Obol, SSV, or similar.
• Experience with MPC, threshold signing, or secure enclaves (Nitro, SGX) in production.
• Familiarity with tokenization or DeFi protocol integration at the infrastructure level.

What We Offer:

• Competitive base salary and discretionary bonus
• Hybrid/Flexible Working Arrangements 
• Flexible Time Off (paid)
• 3% 401(k) company contribution
• Company-paid health and protective benefits for employees, partners, and other dependents
• Generous paid Parental Leave
• Competitive family planning benefits for US employees 
• Opportunities to learn about the Crypto industry
• Smart, entrepreneurial, and fun colleagues
• Free daily snacks and weekly breakfasts/lunches 
• Employee Resource Groups
• Free coaching and counseling sessions through Headspace

Apply now and join us on our mission to engineer a new economic paradigm.

The base salary ranges included below will be commensurate with candidate experience, expertise and local market. Final offer amounts are determined by multiple factors, including candidate experience and expertise. At Galaxy, we maintain a total compensation philosophy which consists of a competitive base salary, annual bonus, and equity incentives.

Base Salary Range$200,000—$250,000 USD

Galaxy respects diversity and seeks to provide equal employment opportunities to all employees and job applicants for employment without regard to actual or perceived age, race, color, creed, religion, sex or gender (including pregnancy, childbirth, lactation and related medical conditions), gender identity or gender expression (including transgender status), sexual orientation, marital or partnership or caregiver status, ancestry, national origin, citizenship status, disability, military or veteran status, protected medical condition as defined by applicable state or local law, genetic information or predisposing genetic characteristic, or other characteristic protected by applicable federal, state, or local laws and ordinances.

We will endeavor to make a reasonable accommodation to the known limitations of a qualified applicant with a disability unless the accommodation would impose an undue hardship on the operation of our business. If you believe you require such assistance to complete the application process or to participate in an interview, please contact

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