Senior System Tester

Salary: £45,000 - 55,000 per year

Requirements:

• At least 5 years of experience in system testing of software products
• Experience using automated testing toolsets
• Experience creating and maintaining testing data, plans, and bug tracking
• Understanding of business requirements and business processes
• ISTQB Foundation Level Test Analyst certification is desirable
• Must be a sole UK national
• Must be eligible to obtain and maintain UK Government DV security clearance

Responsibilities:

• Work alongside a team of software and system testers on a customer project at the customer site
• Perform systems testing in accordance with test plans
• Execute tests and record test results
• Maintain test scripts
• Carry out system V&V testing of single allocated systems
• Produce test data to support system test cases and scenarios
• Create test cases and traceability records between test cases and requirements

Technologies:

• ISTQB
• Support
• Security

More:

We are MASS, an independent global technology company trusted by highly secure organisations to provide advanced digital services that manage data and keep information safe. With our heritage in defence, we deliver robust solutions to sectors where security expertise is essential. We work in partnership with customers, using skilled technical experts to provide tailored, agile and resilient solutions that support digital transformation. This is an onsite role in Corsham (SN13) with a salary of £45,000-£55,000 and a benefits package that includes 25 days annual leave, buy or sell up to 5 days of annual leave, two pension schemes, private medical and dental insurance, life assurance up to 4x salary, multiple save schemes, electric/hybrid car leasing, cycle to work, retail discounts, continuous professional and personal development support, and an annual wellness allowance. We are an equal opportunities employer and offer a friendly workplace where everyone is valued and has the chance to make an impact.

last updated 30 week of 2026