Senior Reliability Engineer

Fitch; Greater London; On-site; GBP 90,000 - 125,000; Full time

Benefits offered by this job

Collaborative culture

Career growth & training

AI-powered tooling access

Remote work options

Job summary

Fitch Group is seeking a Senior Reliability Engineer to join our Cloud Infrastructure and Platform Engineering team in London, GB. You will help design, build, and operate reliable, scalable applications and services that power Fitch's global platforms.

The role focuses on AI-assisted tooling, observability, and IaC, with emphasis on CI/CD, security, and performance. You will collaborate with distributed teams, implement proactive monitoring, and contribute to disaster recovery testing.

Qualifications

• 5+ years of experience with AWS services (VPC, EC2, ECS, EKS, ELB, S3, RDS) and cloud architectures.
• 5+ years of experience with containerization and orchestration (Docker, Kubernetes).
• Strong scripting skills in Python, Go, or PowerShell and experience with CI/CD pipelines.

Responsibilities

• Collaborate with distributed development teams to design, build, and operate reliable, high-performing applications.
• Design and manage CI/CD pipelines to optimize deployments for reliability, security, and efficiency.
• Identify and mitigate risk across cloud environments while maintaining strong security posture.

Skills

AWS Services

Docker

Kubernetes

Python/Go/PowerShell

CI/CD

Terraform/ArgoCD

GitOps

Communication

Education

Bachelor’s Degree or equivalent in Technology

Tools

Terraform

ArgoCD

Job description

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Senior Reliability Engineer

Requisition ID: 50340

Business Unit: Fitch Learning

Category: Information Technology

Location: London, GB

Date Posted: Jul 23, 2026

Fitch Group is seeking a Reliability Engineer to join our Cloud Infrastructure and Platform Engineering team. We're looking for someone who is curious about the evolving role of AI in infrastructure engineering, someone who actively explores how AI-assisted tooling, automation, and intelligent observability can raise the bar for reliability and developer experience. You will collaborate closely with global development and engineering teams to deliver reliable, resilient, and high-performing applications and services that drive business value.

What We Offer

• A collaborative environment where your ideas and contributions are valued
• Clear paths for career growth, including training and certification support
• Access to modern tools and technologies, including emerging AI-powered engineering tool
• Flexible work arrangements, including remote work options

What You’ll Do

• Collaborate with globally distributed development teams to design, build, and operate reliable, resilient, and high-performing applications and services
• Design and manage CI/CD pipelines to optimize build processes and application deployments for reliability, security, and efficiency
• Identify, contain, and mitigate risk across all cloud environments, maintaining a robust security posture for infrastructure and applications
• Implement proactive monitoring and observability practices to detect and prevent issues before they impact users
• Develop and maintain automation and tooling solutions, including AI-assisted approaches to reduce toil and accelerate delivery
• Uphold infrastructure standards and system design patterns across all cloud environments
• Troubleshoot high-priority incidents and facilitate blameless post-mortems
• Evaluate and adopt emerging technologies that advance our secure cloud platform strategy
• Plan and execute disaster recovery testing to validate business continuity posture
• Promote cost-conscious design and facilitate knowledge sharing across multidisciplinary teams
• Participate in on-call rotation

What You’ll Need

• 5+ years of experience with AWS services such as VPC, EC2, ECS, EKS, ELB, S3, RDS, etc.
• 5+ years of experience with containerization and orchestration such as Docker and Kubernetes
• Strong knowledge with a scripting language, such as Python, Go, or PowerShell
• Experience with modern application development practices such as CI/CD pipelines
• Experience with Infrastructure as Code and GitOps tools such as Terraform and ArgoCD
• Ability to clearly communicate complex technical and business concepts to team members
• Excellent interpersonal and communication skillswith the ability to effectively collaborate with multiple teams and build strong partnerships across a variety of internal and external constituencies
• Excellent analytical and problem solving skills
• Bachelor’s Degree or equivalent in a technology related field preferred (e.g., Computer Science, Engineering, etc.)

Nice to Have

• Forward thinking and strategic mindset to be able to recognize and connect patterns to both enhance and simplify cloud-based development
• Hands-on experience with GitOps for declarative, automated application delivery on AWS EKS, driving self-service deployments and reduced operational toil
• A security first mindset along with practical experience building secure applications in the cloud
• Practical experience building scalable cloud platforms for a large enterprise with a key drive towards developer velocity, autonomy, and automation
• Understanding of project management tools, techniques, and methodologies such as Agile

Why Fitch?

At Fitch Group, the combined power of our global perspectives is what differentiates us. Our global network of colleagues comes together to accomplish things greater than they ever could alone.

Every team member is essential to our business and each perspective is critical to our success. We embrace a diverse culture that encourages a free exchange of ideas, guaranteeing your voice will be heard and your work will have an impact, regardless of seniority.

We are building incredible things at Fitch and we invite you to join us on our journey.

Fitch Group is a global leader in financial information services with operations in more than 30 countries. Wholly owned by the Hearst Corporation, we are comprised of three main businesses: Fitch Ratings | Fitch Solutions | Fitch Learning.

For more information, please visit our websites:

Fitch is committed to providing global securities markets with objective, timely, independent, and forward-looking credit opinions. To protect Fitch’s credibility and reputation, our employees must take every precaution to avoid conflicts of interests or any appearance of a conflict of interest. Should you be successful in the recruitment process at Fitch Ratings you will be asked to declare any securities holdings and other potential conflicts prior to commencing employment. If you, or your immediate family, have any holdings that may conflict with your work responsibilities, you may be asked to divest yourself of them before beginning work.

Fitch Group is proud to be an Equal Opportunity and Affimative Action Employer. We evaluate qualified applicants without regard to race, color, national origin, religion, sex, sexual orientation, gender identity, disability, protected veteran status, and other statuses protected by law.

Actual salaries will be determined on an individualized basis and may vary based on factors including but not limited to education, training, experience, past performance, and other job-related factors. Base pay is one part of Fitch’s total compensation package, which, depending on the position, may also include commission earnings, discretionary bonuses, long-term incentives, and other benefits sponsored by Fitch.