Software Test Engineer
Date: 2026-09-17T00:00:00
Location: Stevenage, Hertfordshire, GB, SG1 1
Application Deadline: 2026-12-20T11:03:44.117
Job Title
Software Test Engineer
Published Date
29/04/2026
Contract Type
CDI
Company
SII United Kingdom
Mission
We are looking for a Software Test Engineer to support the end-to-end software testing and proving lifecycle for simulation software releases. The role focuses on planning, executing, and reporting software testing activities to ensure compliance, quality, and readiness for release within a structured and agile development environment.
Key Responsibilities
- Test / Proving Planning:
- Understand customer needs and requirements from a software proving perspective
- Review software design and architecture to define test bed requirements
- Develop comprehensive software test plans, test designs, specifications, and test sets
- Test / Proving Execution:
- Perform progressive testing throughout the software development lifecycle
- Lead testing activities related to software defects
- Liaise with support teams to provide log and data analysis when issues are identified
- Demonstrate compliance against defined software requirements
- Execute formal software qualification and assurance testing
- Test / Proving Reporting:
- Provide regular updates on software functionality to project leads and stakeholders
- Produce detailed software test and analysis reports to support certification
- Support the software release and delivery process, including final certification activities
Profiles / Essential Skills & Experience
- Software testing and quality assurance experience in C++ is a must
- Test automation knowledge
- Experience analysing software logs and data
- Understanding of CI/CD pipelines
- Experience using tools such as GitLab, JIRA, and scripting languages
- Exposure to IBM PLM / ALM / ETM / DOORS (or similar requirements management tools)
- Working knowledge of Agile / Scrum methodologies
- Understanding of compliance and regulatory requirements
About the Agency
With five strategic offices in Belfast, Chester, Farnborough, London and Oxford, we work in partnership with our customers UK-wide to deliver high-impact engineering solutions. SII UK is a trusted Aerospace and Defence engineering partner, supporting the delivery of complex, mission-critical programmes while helping to shape the future of innovation across next-generation systems and technologies.
Our teams contribute daily to creating a fulfilling, stimulating and career development focused work environment. True to our human-centred values, we are committed to making SII UK a Great Place To Work, having been certified 5 years running. Joining SII UK means being part of our collective goals, guided by our mission "Let's Tech Together," and helping to build a digital future that is sustainable, at the heart of an environment that values learning & collaboration.
Who Are We?
With five strategic offices in Belfast, Chester, Farnborough, London and Oxford, we work in partnership with our customers UK-wide to deliver high-impact engineering solutions. SII UK is a trusted Aerospace and Defence engineering partner, supporting the delivery of complex, mission-critical programmes while helping to shape the future of innovation across next-generation systems and technologies.
Our teams contribute daily to creating a fulfilling, stimulating and career development focused work environment. True to our human-centred values, we are committed to making SII UK a Great Place To Work, having been certified 5 years running. Joining SII UK means being part of our collective goals, guided by our mission "Let's Tech Together," and helping to build a digital future that is sustainable, at the heart of an environment that values learning & collaboration.
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