Senior Infrastructure Engineer

Overview

As Senior Infrastructure Engineer in the Tooling & Automation team, you lead technical delivery and live-service operations of a business-critical tooling stack. You will mentor engineers, translate architecture into practical tooling aligned with HMRC standards, and drive continuous improvement in cloud-based infrastructure. The role combines hands-on engineering with stakeholder management to secure, scale, and sustain tooling services across HMRC. This is a chance to shape the tooling foundation that enables infrastructure-as-code and reliable deployments at scale.

Pay / Benefits

• Civil Service Pension (contributes to pension scheme)
• Flexible and Hybrid Working policies
• Generous leave starting at 25 days (up to 30)
• Coaching and development opportunities
• Personal support
• Work-life balance initiatives

Responsibilities

• Lead BAU support and maintain tooling service continuity within service levels
• Protect live-service availability and coordinate incident resolution
• Administer and improve tooling stack (Nexus 3, GitLab, Bastion, AWX, Vault, Jenkins, Artifactory)
• Manage AWS-hosted infrastructure, containers, networking, and CI/CD capabilities
• Plan patches, upgrades and lifecycle remediation with controlled change
• Collaborate with architects to translate designs into secure, supportable tooling
• Deliver work through Agile practices and maintain documentation
• Coach and develop engineering teammates; share knowledge
• Engage product managers, service owners, architects, suppliers and users
• Provide technical input into roadmaps, budgeting and priorities
• Lead and support engineers delivering tooling maintenance and service improvements
• Ensure procedures align with HMRC standards and architectural principles
• Maintain operational resilience and secure tooling solutions

Key requirements

• Experience in complex live-service infrastructure environments
• AWS and Linux/RHEL administration experience; Windows knowledge
• CI/CD and automation tooling using GitLab, Jenkins, AWX, Terraform
• Docker containerisation and networking experience (Nginx/Traefik)
• Experience with Nexus, Artifactory, Vault, GitLab, Jenkins, AWX, Bastion services
• Incident, change, risk management in a live environment; ITIL/DevOps/Agile knowledge
• Technical leadership: leading engineers, setting direction, ensuring delivery
• Strong stakeholder and supplier management skills

• Strong communication
• Collaborative mindset
• Coaching and mentoring
• AWS
• Linux/RHEL
• Terraform

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