Senior DevOps Engineer

Selby Jennings; Greater London; On-site; GBP 110,000 - 160,000; Full time

Job summary

Selby Jennings is representing a leading hedge fund seeking a Senior DevOps Engineer to scale and evolve platforms powering their global technology organisation. The role blends software engineering with deep infrastructure expertise to automate, improve reliability, and enhance developer experience across on-prem and AWS environments.

The ideal candidate will own platform strategy, drive automation, and collaborate with elite engineers to deliver scalable infrastructure and high-availability

Qualifications

• 7+ years' DevOps/Platform experience in large engineering orgs.
• Expertise with Kubernetes in large-scale prod environments.
• Strong software skills in Python or Go; proficient in CI/CD tooling (Jenkins, GitHub Actions).
• Extensive AWS cloud experience and cloud-native architectures.
• Experience with Terraform and Infrastructure as Code.
• Experience with observability, monitoring, and reliability engineering practices.

Responsibilities

• Design, build, and enhance internal developer platforms used across engineering, research, and investment teams.
• Develop and automate CI/CD pipelines supporting millions of builds and deployments annually.
• Improve developer productivity via self-service tooling and platform improvements.
• Build scalable, resilient infrastructure across AWS and on-premise environments.
• Champion DevOps and SRE best practices including observability and IaC.

Skills

Kubernetes

Python

Go

CI/CD

Jenkins

GitHub Actions

AWS

Terraform

Infrastructure as Code

Observability

Distributed systems

Stakeholder communication

Job description

Our client is an exceptional, technology-driven hedge fund and one of the most sought-after engineering environments in the market, currently looking to hire a Senior DevOps Engineer to help scale and evolve the platforms that power their global technology organisation. Operating at the intersection of finance and technology, they have built a world-class engineering culture where infrastructure, automation, and developer productivity are treated as strategic advantages. As investment in platform engineering continues to accelerate, this Senior DevOps Engineer position offers the opportunity to work on some of the firm's most critical systems.

They are looking for a highly capable DevOps Engineer who enjoys solving complex engineering challenges at scale and takes pride in building platforms that empower others. The ideal candidate will combine strong software engineering skills with deep infrastructure expertise, bringing a proactive, ownership-driven mindset and a genuine passion for automation, reliability, and developer experience. This is an opportunity for a DevOps Engineer who wants to influence platform strategy, work alongside elite engineers, and build technology used by thousands of internal users.

Key Responsibilities

Senior DevOps Engineer

Our client is an exceptional, technology-driven hedge fund and one of the most sought-after engineering environments in the market, currently looking to hire a Senior DevOps Engineer to help scale and evolve the platforms that power their global technology organisation. Operating at the intersection of finance and technology, they have built a world-class engineering culture where infrastructure, automation, and developer productivity are treated as strategic advantages. As investment in platform engineering continues to accelerate, this Senior DevOps Engineer position offers the opportunity to work on some of the firm's most critical systems.

They are looking for a highly capable DevOps Engineer who enjoys solving complex engineering challenges at scale and takes pride in building platforms that empower others. The ideal candidate will combine strong software engineering skills with deep infrastructure expertise, bringing a proactive, ownership-driven mindset and a genuine passion for automation, reliability, and developer experience. This is an opportunity for a DevOps Engineer who wants to influence platform strategy, work alongside elite engineers, and build technology used by thousands of internal users.

Key Responsibilities

• Design, build, and enhance internal developer platforms used across engineering, research, and investment teams.
• Develop and automate CI/CD pipelines supporting millions of builds and deployments annually.
• Improve developer productivity through self-service tooling, automation, and platform improvements.
• Build scalable, resilient infrastructure across AWS and on-premise environments.
• Champion DevOps and SRE best practices, including observability, Infrastructure as Code, automation, and operational excellence.
• Design and maintain large-scale Kubernetes platforms supporting critical production workloads.
• Develop software and automation tooling in Python or Go to improve infrastructure efficiency and reliability.
• Collaborate with engineering teams to improve application scalability, stability, and deployment processes.
• Drive platform reliability through monitoring, incident response, and continuous improvement initiatives.
• Participate in on-call rotations and contribute to a culture of operational excellence.

Key Skills & Experience

• 7+ years' experience as a DevOps Engineer, Platform Engineer, or Site Reliability Engineer.
• Experience working within a centralised platform or DevOps Engineer team supporting large engineering organisations, ideally serving 1,000+ users.
• Expert-level Kubernetes experience within large-scale production environments.
• Strong software engineering skills with Python or Go.
• Deep expertise with CI/CD tooling, including Jenkins and GitHub Actions.
• Strong AWS cloud experience and understanding of cloud-native architectures.
• Experience operating across both cloud and on-premise infrastructure environments.
• Proven experience building scalable, reliable infrastructure supporting high-volume production workloads.
• Strong knowledge of Terraform, Infrastructure as Code, and platform automation.
• Experience building and maintaining REST APIs and infrastructure services.
• Experience with observability, monitoring, logging, and reliability engineering practices.
• Strong understanding of distributed systems and modern software delivery practices.
• Excellent stakeholder engagement and communication skills.