Blockchain SRE (Solana)- Associate/Vice President

Galaxy Digital; London; On-site; GBP 60,000 - 90,000; Full time

Job summary

An innovative tech company is seeking a skilled Protocol Engineer to join its Blockchain Engineering Team in London. You'll be responsible for deploying and managing validator infrastructure across various blockchain networks, ensuring high availability and security. Ideal candidates will have software engineering experience, strong knowledge of blockchain infrastructure, and expertise in scripting and automation. The position offers competitive compensation and benefits while working amongst a dynamic and diverse team committed to advancing blockchain technology.

Benefits

Competitive base salary and discretionary bonus

Company-paid health benefits

Free virtual coaching sessions

Opportunities to learn about the Crypto industry

Qualifications

• Experienced Protocol, DevOps, or SRE Engineer.
• Prior software engineering experience in a high-level programming language.
• Strong problem-solving skills and troubleshooting abilities.

Responsibilities

• Design, deploy, and manage blockchain validator nodes.
• Collaborate with teams on infrastructure improvements.
• Implement monitoring tools for blockchain infrastructure health.

Skills

Scripting in Python

Software engineering in Java

Blockchain infrastructure knowledge

Troubleshooting complex applications

Cloud platforms expertise

Tools

Prometheus

Grafana

Terraform

Docker

Job description

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 individualswhothrive in a culture of builders and overachieversandembrace 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.

What You’ll Do:

TheBlockchain Engineering Teamis responsible for deploying, securing, and optimizing validator infrastructure across multiple blockchain networks. Specializing in launching and maintaining validators, we ensure high availability, security, and performance to support decentralized networks.

As part of this team, you will design, deploy, and manage validator nodes, enhance automation workflows, monitor network performance, and implement robust security measures. The team collaborates closely with blockchain protocols, foundations, staking providers, and infrastructure partners to ensure seamless validator operations.

• Design, build, and maintain highly available, scalable, and secure infrastructure and systems related to our blockchain participation and custody offerings
• Collaborate with cross-functional teams to identify and implement improvements in infrastructure, monitoring, system automation, and incident response
• Identify & implement solutions for your domain where process, automation or tooling can significantly improve our ability to operate our infrastructure
• Develop a present and forward looking view into what’s happening in each part of your domain and how it applies to the business. Establish and communicate views that inform leadership and organizational strategy
• Continuously research and stay up-to-date with emerging trends in the web3/blockchain space
• Identify, scope and build on new product opportunities that may bring value to the business
• Debug complex distributed blockchains and protocols to improve our participation
• Implement monitoring, observability tools and best practices to ensure the health, performance, and stability of our blockchain infrastructure
• Participate in and make improvements to, domain specific on-call rotations to ensure the continued reliability and uptime of our services

What We’re Looking For:

You are an experienced Protocol, DevOps or SRE Engineer, with:

• Prior software engineering or application development experience in modern programming language (.Net, Go, Rust, C/C++, Java, etc.)
• Ability to script in a high-level scripting language like Python, Perl or bash coupled with an ability to identify human processes that can be scripted and automated
• Demonstrated experience working with blockchain infrastructure or strong knowledge of the blockchain domain (proof-of-stake consensus, web3, rpc, etc)
• Deep familiarity with compute-infrastructure systems, tooling, observability, debugging strategies along with research aptitude and a desire to never repeat the same problem twice
• Troubleshooting expertise of complex application flows which span multiple systems along with an ability to identify server, network, and application issues and apply measurable remediations
• Working knowledge of Linux systems, system performance optimization and command line tooling
• Expertise in cloud platforms (AWS, Azure, GCP) and virtualization technologies (VMWare, KVM, Docker or similar)
• Hands-on experience with monitoring and observability tools (Prometheus, Grafana, ELK Stack, Datadog, LogDNA, etc.)
• Conceptual knowledge of security best practices, including encryption, access control, and network security (firewalls, traffic filtering)
• Strong written and verbal communication skills with an ability to distill information to both technical and non-technical audiences
• Strong problem solving skills and ability to identify problems, determine their root cause, and see them through to solution

Bonus Points:

• At least 2 years of protocol engineering experience
• Hands on experience operating Solana, Ethereum or similar validation infrastructure (or RPC)
• Experience with Kubernetes, or similar compute orchestration systems and a familiarity with container orchestration
• Skill in defining infrastructure as code with Terraform or other infrastructure orchestration tooling
• Experience participating in or reading/parsing on-chain activity
• Ability to build backend services in addition to infrastructure

What We Offer:

• Competitive base salary and discretionary bonus
• Company-paid health and protective benefits for employees and their eligible dependents
• Free virtual coaching and counseling sessions
• Opportunities to learn about the Crypto industry
• Smart, entrepreneurial, and fun colleagues
• Employee Resource Groups

*Benefits may vary depending on location.

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 [e-mail].