Software Test Engineer

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

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

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.