Senior Software Engineer

Company: National Physical Laboratory (NPL)
Apply for the Senior Software Engineer
Location: Teddington
Job Description:

About the Role

Our world‑leading Time & Frequency department is seeking a Senior Software Engineer with expertise in Unix/Linux software development and containerisation to lead the next generation of resilient time distribution capability for national infrastructure.

Key Responsibilities

  • Provide technical leadership within the software team, setting and promoting best practice in software design, coding standards, security, testing, and CI/CD pipelines.
  • Design, develop and implement robust, secure and highly‑available software solutions for production environments, taking end‑to‑end responsibility across the SDLC.
  • Identify and implement continuous improvements to software architecture, development processes and operational practices, acting as a process owner for agreed engineering standards and approaches.
  • Lead a small software team or workstream, providing direction, prioritisation and technical decision‑making while mentoring engineers and assuring delivery quality.
  • Act as Scrum Master when required, leading agile ceremonies, supporting effective delivery, and continuously improving team ways of working.

About You

Essential Experience

  • Experience building robust software deployed into high‑availability production environments, with a strong emphasis on software quality, reliability and maintainability.
  • Proven experience working within Agile/Scrum delivery teams, contributing to iterative, collaborative software development.

Essential Technical Skills

  • Software development in a Unix/Linux environment, using any modern language (Python preferred).
  • Hands‑on experience with container runtimes and containerising applications.
  • Experience designing, building or maintaining CI/CD pipelines to support automated build, test, and deployment processes.

Security Clearance

SC clearance with no restrictions required, or the ability to obtain SC clearance. BPSS clearance required for work at NPL.

Equal Opportunities

We actively recruit citizens of all backgrounds. Recruitment is conducted in accordance with equal opportunities legislation and we welcome applications from candidates irrespective of gender, race, sexual orientation, religion, or age.

About NPL

The National Physical Laboratory (NPL) is a world‑leading centre of excellence providing cutting‑edge measurement science, engineering and technology to underpin prosperity and quality of life in the UK.

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Posted: June 13th, 2026