We are seeking a highly motivated Systems Test Engineer to contribute to complex aerospace integration and validation programmes. This position involves working within a multidisciplinary engineering environment to support ground and flight-based verification activities across critical aircraft systems. The role offers exposure to cutting-edge testing methodologies, data-driven engineering, and fast-paced operational delivery.
KEY RESPONSIBILITIES:
- Execute system-level validation activities across mechanical and fluid-based aircraft subsystems within a live engineering environment.
- Support the end-to-end lifecycle of airborne test campaigns, including preparation, configuration verification, and active participation during test operations.
- Generate comprehensive and well-structured technical documentation, capturing test results, observations, and engineering insights.
- Analyse large datasets obtained from testing activities, applying statistical techniques and engineering judgement to interpret system behaviours.
- Investigate anomalies identified during testing, contributing to structured troubleshooting processes and supporting root cause investigations.
- Work closely with cross-functional teams, including design, operations, and validation specialists, to communicate technical findings and propose solutions.
- Operate efficiently under tight deadlines, adapting to shifting priorities within a dynamic project environment.
- Continuously adopt new tools, digital capabilities, and engineering approaches to enhance testing efficiency and output quality.
SKILLS:
- Strong foundational knowledge of aerospace systems and their operational principles.
- Ability to quickly understand and adopt new tools, workflows, and internally developed systems.
- Resilience and adaptability when working in high-pressure, delivery-focused environments.
- Advanced data manipulation and analysis capability, particularly using Microsoft Excel.
- Clear and precise technical communication skills, with a focus on structured reporting.
- Analytical mindset with exposure to data processing techniques such as signal analysis and mathematical modelling.
- Programming capability (e.g. Python or similar) for automation, data handling, or analysis is advantageous.
EXPERIENCE:
- Demonstrated experience within an aerospace or high-integrity engineering environment.
- Involvement in system verification, validation, or performance testing activities.
- Background in processing, interpreting, and reporting on engineering data.
- Practical experience in fault diagnosis, troubleshooting, or investigative engineering tasks.
- Exposure to integrated system testing or operational test environments is beneficial but not essential.
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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Avionics System Test Engineer employer: SII Group UK
SII UK is an exceptional employer, offering a dynamic and inclusive work environment where innovation thrives. With a strong commitment to employee development and a culture built on trust and transparency, we empower our team members to excel in their roles while supporting their career growth. Located at the forefront of the aerospace and advanced manufacturing sectors, our employees benefit from engaging projects and the opportunity to contribute to cutting-edge technology in a collaborative atmosphere.
