Test Engineer

Ordnance-Survey; Southampton; Hybrid; GBP 44,000 - 51,000; Full time

Benefits offered by this job

Competitive salary and pension (OS up

Performance-related bonus

28 days annual leave + bank holidays

Enhanced family leave

Hybrid and flexible working

Learning and development support

Free OS Maps subscription

Volunteering leave & matched funding

Job summary

Ordnance Survey is seeking a Test Engineer to help build secure, high‑quality software. You will implement automated tests, validate data quality and analyze data transformations to ensure reliable, scalable services.

You will mentor peers and contribute to agile ceremonies while supporting live services across the organisation. The role embraces a hybrid working model at our Southampton HQ, with a focus on back-end and data testing within a modern data-driven environment using Scala, Spark and

Qualifications

• Good experience in creating, maintaining and peer reviewing test automation code, preferably in Scala.
• Previous working experience of back-end testing, data testing, or ETL testing.
• Excellent knowledge and skills in software testing & industry best practices.
• Working experience with Agile Scrum, collaborating with the team for backlog refinement and ability to estimate testing activities for sprint planning.
• Knowledge of CI/CD practices, and how they relate to test.

Responsibilities

• Implement automated tests using existing test frameworks and extend them as needed.
• Validate data quality using big data testing tools.
• Analyse data transformations to test key business requirements.
• Contribute testing acumen into agile ceremonies and sprint planning.
• Communicate software risks and test outcomes with the team, and support testing guilds.

Skills

Test automation in Scala

Back-end testing

Data testing/ETL testing

Software testing best practices

Agile Scrum

CI/CD practices

Tools

Scala

Apache Spark

Databricks

Apache Parquet

Azure Cloud Platform

Azure DevOps

GIT

Job description

2 Test Engineer's - Full timeSalary £43,918 - £51,238 (dependent on experience)Flexible hybrid workingSouthamptonJoin Ordnance Survey - Be part of something biggerAt Ordnance Survey, our data and technology help governments, businesses and communities make smarter decisions every day. As we continue to evolve our digital platforms and location services, we're looking for a skilled Test Engineer to help us build secure, high‑quality software that delivers real impact.About the roleAs a 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 doImplement automated tests using our existing test frameworks, and extend these frameworks as necessaryValidate data quality using big data testing toolsAnalyse data transformations to establish the best way to test key business requirementsContribute testing acumen into agile team ceremonies such as sprint planning, retrospectives, and daily standupsCommunicate software risks & test outcomes with the teamSupport the Ordnance Survey Testing Guild with common standards such as metrics and use of test toolsHere's a snapshot of the technologies that we use:ScalaApache SparkDatabricksApache ParquetAzure Cloud PlatformAzure DevOps (Test plans, Backlogs, Pipelines)GITWe'd love to hear from you if you have:Good experience in creating, maintaining and peer reviewing test automation code, preferably in ScalaPrevious working experience of back-end testing, data testing, or ETL testingExcellent knowledge and skills in software testing & industry best practicesWorking experience with Agile Scrum, collaborating with the team for backlog refinement and ability to estimate testing activities for sprint planningKnowledge of CI/CD practices, and how they relate to testThe RewardsWe want you to love what you do and feel supported to do your best work.Our benefits include: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 leaveHybrid and flexible working optionsLearning and development support, coaching and mentoringFree subscription to OS Maps and access to wellbeing supportVolunteering leave and matched fundraisingKey detailsClosing date: 23:59pm 18 August 2026Interviews are scheduled to take place from MS TeamsLocation & Working PatternWe 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 & EligibilityOS 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 OSResearch 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.If this role excites you but your experience doesn't match every point, we encourage you to apply. You may be the right person for this role or another opportunity at OS.We are happy to consider any reasonable adjustments that people may need during the recruitment process, and you will be asked whether you require any during the application process.