Senior Systems Engineer – Contract (Inside IR35)
BAE Systems | New Malden
£50.00 PAYE | 12‑Month Contract | 3–4 Days Per Week
We're supporting BAE Systems to recruit a Senior Systems Engineer to support complex, software‑intensive programmes within the SMCS Systems Team. This is a 12‑month contract, inside IR35, based in New Malden, working 3–4 days per week.
This role suits an experienced systems engineer who is confident owning requirements, supporting system design and leading verification and acceptance activities within a regulated, safety‑critical environment.
Contract Details
* Location: New Malden (site‑based / hybrid depending on programme need)
* Duration: 12 months
* Headcount: 1
* Working Pattern: 3–4 days per week
* Rate: £50.00 PAYE / £67.47 Umbrella
* IR35 Status: Inside IR35
The Role
As a Senior Systems Engineer, you will be embedded within the Systems Team, working across the full system lifecycle. You’ll play a key role in defining system behaviour through requirements, supporting design decisions and leading testing and acceptance across both software and hardware releases.
You will work closely with multi‑disciplinary engineering teams, contributing to mission‑critical systems operating in a regulated environment.
Key Responsibilities
* Own and maintain system requirements, including contractual and acceptance criteria
* Lead verification, validation and acceptance activities for software and hardware releases
* Support system design through development and review of design specifications
* Manage and agree external interfaces and interface baselines
* Conduct technical analysis, investigations and option assessments
* Produce technical reports and recommendations to support system improvements
* Contribute to systems engineering activities including:
* Performance testing
* Human factors
* Safety analysis (e.g. functional failure or fault tree analysis)
* Security and information assurance
* Provide technical guidance and mentoring to other engineers within the Systems Team
Skills & Experience Required
Essential
* Proven experience as a Senior Systems Engineer or Systems Engineer working on software‑intensive systems
* Strong background in requirements management, system definition and acceptance
* Experience delivering systems within complex, regulated or safety‑critical environments
* Understanding of regulatory and statutory requirements affecting software systems
* Ability to operate effectively in a multi‑project, pressurised environment
Desirable
* Background in defence, aerospace or other safety‑critical industries
* Experience across systems disciplines such as safety, security, performance or human factors
* Familiarity with systems engineering methodologies and tools (e.g. requirements databases, MBSE, SysML)
Why This Contract?
This role offers the opportunity to work on long‑term, mission‑critical programmes within BAE Systems, providing stability alongside technically challenging work. You’ll be joining an experienced systems team where your input will directly influence system performance and delivery outcomes.
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