Staff Site Reliability Engineer

Visa; City of Westminster; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading technology company in the United Kingdom is seeking an experienced DevOps Engineer to lead a squad focusing on CI/CD and automation. The role involves implementing CI/CD pipelines, mentoring junior engineers, and contributing to platform resilience. Ideal candidates should have extensive experience with CI/CD tools, IaC, Docker, and AWS. This position offers a chance to work with cutting-edge technology and be part of a dynamic team within a collaborative work environment.

Qualifications

• Proficiency with CI/CD tools such as ArgoCD and Codefresh.
• Expertise in IaC tools like Terraform.
• Experience with automating deployment processes.

Responsibilities

• Lead the squad to implement and optimize CI/CD pipelines.
• Ensure best practices in IaC for consistency and compliance.
• Mentor junior engineers and sponsor technical initiatives.

Skills

CI/CD tools proficiency

IaC tools expertise

Deployment automation experience

Docker knowledge

Kubernetes experience

Service mesh technologies

Monitoring and observability tools

AWS proficiency

Tools

ArgoCD

Codefresh

Terraform

Grafana

Prometheus

Istio

Job description

This person will serve as a reference for the DevOps squad to achieve excellent technical outcomes, with a strong focus on CI/CD and automation. Their role is to ensure that SRE and Engineering decisions are well‑informed and consider various factors such as technical debt, system design, stability, reliability, monitoring, observability, and business needs. This person will also be responsible for maintaining platform resilience, introducing new technologies, mentoring junior engineers, and making impactful technical contributions.

Technical Leadership in CI/CD and Automation

• Lead the squad to implement and optimize CI/CD pipelines.
• Develop and maintain IaC scripts to automate infrastructure provisioning and management.
• Ensure the use of best practices in IaC to promote consistency, repeatability, and compliance across the infrastructure.
• Identify opportunities to automate routine operational tasks to improve efficiency and reduce manual effort.
• Implement automation solutions to streamline deployment, scaling, and maintenance processes.

Technical Contributions

• Make high‑impact technical contributions recognized by the team and collective.
• Write effective post‑mortem documentation for both internal and external stakeholders.

Standards and Practices

• Enable and guide groups to improve coding standards and best practices, especially around non‑functional requirements.
• Promote best practices in CI/CD and automation.

Mentorship in CI/CD and Automation

• Proactively sponsor, mentor, and provide constructive feedback to engineers across the company.
• Review pull requests and source code from others, focusing on improving CI/CD and automation practices.

Platform Resilience

• Maintain CI/CD resilience by avoiding unplanned or uncommunicated changes.
• Serve as an example of diligence and reliability to the team.

Consultation and Problem‑Solving

• Serve as a consultant for engineers from different squads.
• Work on complex and unknown problems under pressure.
• Provide expertise in CI/CD and automation to solve technical challenges.

Technology Trends

• Stay up‑to‑date with technology trends, especially in CI/CD and automation.
• Contribute insights to the squad's strategy based on the latest advancements.

Proof of Concept (POC) Execution

• Lead and execute POCs to introduce new CI/CD and automation technologies to the team.

Skills and Competencies

• Proficiency with CI/CD tools such as ArgoCD and Codefresh.
• Expertise in IaC tools like Terraform.
• Experience with automating deployment processes and integrating CI/CD pipelines.
• Good knowledge of Docker and Kubernetes for containerization and orchestration.
• Experience with service mesh technologies such as Istio.
• Proficiency with monitoring and observability tools such as Grafana, Grafana Loki, Honeycomb, OpenTelemetry, and Prometheus.
• Proficiency with AWS and experience with support and on‑call.

About Pismo

Founded by experienced entrepreneurs and engineers in 2016, Pismo is a technology company that provides a comprehensive processing platform for banking, card issuing and financial market infrastructure and helps customers innovate and build the next generation of banking and payment solutions. Pismo joined Visa in 2024. Leveraging Visa's solutions, our core platform, and an expanding suite of capabilities, Pismo addresses the technological challenges that large banks, marketplaces, and fintech companies face in migrating from legacy systems to more advanced technology in the market. Pismo's cloud‑based platform empowers firms to build and launch financial products rapidly, scaling as they grow to have a broader audience while keeping high security and availability standards. Pismo's 500+ employees are located in more than 10 countries around the world.