Lead Site Reliability Engineer (Kubernetes Required) - Hybrid

FactSet; Greater London; Hybrid; GBP 90,000 - 140,000; Full time

Benefits offered by this job

Hybrid work model

Competitive compensation

Job summary

FactSet is seeking a Lead Site Reliability Engineer in the United Kingdom to ensure the reliability, scalability, and performance of our systems and services. You will lead initiatives to automate, standardize, and improve operational practices across teams.

You will work in a hybrid setup, collaborating with development and operations to design reliable, scalable platforms and to drive best practices in incident response, capacity planning, and observability.

Qualifications

• Bachelor's degree in computer science or a related field.
• Fluency in English (spoken and written).
• Experience with Kubernetes and cloud platforms.
• Strong problem-solving and collaboration skills.

Responsibilities

• Monitor, maintain, and improve production system reliability.
• Respond to incidents and perform post-mortems.
• Define and track SLOs and SLIs.
• Collaborate with teams to embed reliability from design.
• Automate toil reduction and runbooks.
• Participate in on-call rotation.
• Contribute to capacity planning and performance tuning.
• Document systems and processes for the team.

Skills

Kubernetes

English fluency

Hybrid work

Education

Bachelor's degree in CS

Tools

GitHub Actions

ArgoCD

Prometheus

Grafana

Terraform

Pulumi

Ansible

Puppet

Python

Job description

FactSet creates flexible, open data and software solutions for over 200,000 investment professionals worldwide, providing instant access to financial data and analytics that investors use to make crucial decisions.

At FactSet, our values are the foundation of everything we do. They express how we act and operate, serve as a compass in our decision-making, and play a big role in how we treat each other, our clients, and our communities. We believe that the best ideas can come from anyone, anywhere, at any time, and that curiosity is the key to anticipating our clients’ needs and exceeding their expectations.

About The Role

We are looking for a skilled and motivated Lead Site Reliability Engineer to join our team. In this role, you will be responsible for ensuring the reliability, scalability, and performance of our systems and services. You will work closely with development and operations teams to build and maintain robust infrastructure, automate processes, and drive engineering best practices.

Key Responsibilities

• Monitor, maintain, and improve the reliability and availability of production systems
• Respond to and resolve incidents, conducting thorough post-mortems to prevent recurrence
• Define and track Service Level Objectives (SLOs) and Service Level Indicators (SLIs)
• Collaborate with development teams to build reliability into services from the ground up
• Design and implement automation to reduce toil and improve operational efficiency
• Participate in an on-call rotation to support critical systems
• Contribute to capacity planning and performance optimization efforts
• Document systems, processes, and runbooks to support the wider team

Required Technical Skills

Kubernetes (Required)

• Hands-on experience deploying, managing, and troubleshooting workloads in Kubernetes
• Strong understanding of core Kubernetes concepts including Pods, Deployments, Services, ConfigMaps, and Ingress
• Experience with Kubernetes cluster management and administration
• Familiarity with Helm for application packaging and deployment
• Understanding of Kubernetes networking, storage, and security best practices
• Bachelors degree in computer science or relevant degree.
• Willing to work a hybrid model
• Must be fluent in English both verbal and written
• undefined

Additional Technical Skills

• Cloud Platforms: (e.g. AWS, GCP, Azure)
• CI/CD Tooling: (e.g. GitHub Actions, ArgoCD, Harness)
• Monitoring & Observability: (e.g. Prometheus, Grafana, Coralogix, OpenTelemetry)
• Infrastructure as Code: (e.g. Terraform, Pulumi)
• Config Management: (e.g. Ansible, Puppet, Chef)
• Programming/Scripting: (e.g. Python, Go, Bash)

Soft Skills & General Requirements

• Strong problem-solving and analytical skills with a methodical approach to troubleshooting
• Excellent communication skills with the ability to collaborate across technical and non-technical teams
• A proactive mindset with a focus on automation and continuous improvement
• Ability to work effectively under pressure, particularly during incident response
• Commitment to a blameless culture and continuous learning

Nice to Have

• Experience contributing to open-source projects
• Familiarity with SRE principles as defined by the Google SRE handbook
• Previous experience in a DevOps or Platform Engineering role

Company Overview

FactSet (NYSE:FDS | NASDAQ:FDS) helps the financial community to see more, think bigger, and work better. Our digital platform and enterprise solutions deliver financial data, analytics, and open technology to more than 8,200 global clients, including over 200,000 individual users. Clients across the buy-side and sell-side, as well as wealth managers, private equity firms, and corporations, achieve more every day with our comprehensive and connected content, flexible next-generation workflow solutions, and client-centric specialized support. As a member of the S&P 500, we are committed to sustainable growth and have been recognized among the Best Places to Work in 2023 by Glassdoor as a Glassdoor Employees’ Choice Award winner. Learn more atwww.factset.comand follow us onXandLinkedIn.

At FactSet, we celebrate difference of thought, experience, and perspective. Qualified applicants will be considered for employment without regard to characteristics protected by law.