Senior Test Engineer

Ordnance Survey

Southampton

Hybrid

GBP 56,000 - 66,000

Full time

5 days ago

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Benefits offered by this job

Competitive salary and pension (OS 12.

Performance-related bonus

28 days annual leave plus bank and hol

Job summary

Ordnance Survey in Southampton is seeking a Senior Test Engineer to lead automated testing efforts across our software platforms, champion best practices and help ensure our services remain reliable, secure and scalable.

You will mentor juniors, contribute hands-on testing, and collaborate with engineers and product teams to design test strategies, implement frameworks, and improve testing across the organisation.

Qualifications

Experience creating, maintaining and peer reviewing test automation code.
Strong data testing/ETL testing knowledge with applicable tools.
Expertise in software testing best practices and Agile Scrum.

Responsibilities

Implement automated tests using existing frameworks and build new tools if needed.
Investigate opportunities to improve testing practices for the team.
Analyze deliverables to define test strategies ensuring requirements and quality.
Contribute testing expertise to sprint planning and standups.
Mentor junior test engineers and provide technical leadership.
Communicate risks, goals and outcomes to stakeholders.
Support Testing Guild by developing standards and processes.

Skills

Test automation

Scala

Python

Data testing

Agile Scrum

CI/CD

Tools

Scala

Apache Spark

Databricks

Apache Parquet

Azure Cloud Platform

Azure DevOps

GIT

Job description

Senior Test Engineer

Full time Salary £56,312 - £65,697 (dependent on experience) Flexible hybrid working Southampton

About the role

As a Senior Test Engineer, you’ll play a key role in building and maintaining software components using modern, iterative delivery methods. You’ll champion best practice in testing and software quality, working closely with engineers and product teams to ensure our services remain reliable, secure and scalable. You’ll contribute hands‑on expertise while helping to mentor others and support services once they’re live, identifying issues early and improving how we deliver software across the organisation.

What you’ll do

Implement automated tests using existing frameworks, and build new tools and/or frameworks as is necessary to meet testing needs/improve testing practices
Look for and execute on opportunities to improve testing practice for your team, and the wider engineering community
Analyse upcoming deliverables to determine suitable test strategies and plans to ensure business requirements, and a high level of quality are met
Contribute testing acumen into agile team ceremonies such as sprint planning, retrospectives, and daily standups
Mentoring junior test engineers for both technical and non-technical skills, as well as taking on people leadership
Communicate software risks, test goals, and outcomes with a variety of team members, including data architects, delivery managers, data engineers, and other key stakeholders
Support the Ordnance Survey Testing Guild by developing common technical standards and ways of working, and presenting these to the community

Here’s a snapshot of the technologies that we use:

Scala
Apache Spark
Databricks
Apache Parquet
Azure Cloud Platform
Azure DevOps (Test plans, Backlogs, Pipelines)
GIT

What we’re looking for

Strong experience in creating, maintaining and peer reviewing test automation code in Scala/Python
Strong experience with data testing or ETL testing, including hands‑on experience with the tools used in these areas
Excellent knowledge and skills in software testing & industry best practices
Excellent knowledge & experience with Agile Scrum, collaborating with the team for backlog refinement and ability to estimate testing activities for sprint planning
Hands‑on experience of putting together CI/CD pipelines, knowing how and when to run these as part of an ongoing build & test cycle

The Rewards

Competitive salary and pension (OS contribute up to 12.07%)
Performance‑related bonus (where applicable)
28 days annual leave plus bank holidays (increasing with service)
Enhanced family leave, including paid partner leave
Hybrid and flexible working options
Learning and development support, coaching and mentoring
Free subscription to OS Maps and access to wellbeing support
Volunteering leave and matched fundraising

Location & working pattern

We embrace a hybrid working model at OS, because we believe in flexibility and balance. You’ll be based at our fantastic HQ in Southampton, Hampshire, where you’ll spend 50% of your working week collaborating face‑to‑face with colleagues. It’s all about combining the best of both worlds connection and autonomy to help you thrive.

Security & eligibility

OS conducts pre‑employment checks for anyone made an offer of employment, including identity, right to work, employment history and criminal record checks (via Disclosure & Barring Services (DBS). Some of our roles may require additional security vetting. We will advise candidates during the recruitment process if additional vetting may be required for that specific role. This role requires the right to work in the UK at the time of application. Unfortunately, OS cannot provide visa sponsorship for this position.

Inclusion at OS

Research shows that people from underrepresented groups often hesitate to apply unless they meet every requirement. At Ordnance Survey, we’re committed to building a diverse, inclusive and welcoming workplace.

Key details

Closing date: 23:59pm 13 September 2026 Interviews will take place from MS Teams The selection process includes a 30‑minute discovery call followed by a 1‑hour competency and technical task designed to assess skills and experience relevant to the role.

Who we are

We are Ordnance Survey, Great Britain’s national mapping service and a pioneer in geospatial technology. With over 230 years of trusted data, we empower better decisions, deeper understanding, and meaningful connections to the places we live, move through, and care for. Three principles one direction: Clear the path – Cut the noise. Simplify. Move at pace. Seek the story – Listen. Understand. Speak up. Do what matters – Focus on value. Our principles unite us in delivering our Data & Destinations strategy with more simplicity, more clarity, and renewed momentum for each other and for our customers. They’re here to create more good days, and fewer harder ones but only if each one of us plays our part.

Skills required for this role