> Markdown version of [/jobs/ext/4492283-senior-systems-engineer](https://www.wearedevelopers.com/jobs/ext/4492283-senior-systems-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Systems Engineer - **Company:** Thales Group - **Location:** Oxford, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Systems Engineering, Requirements Management, Systems Integration, Strategies of Testing, Togaf, SC Clearance, DODAF - **Published:** November 2, 2026 - **Apply:** https://www.apply4u.co.uk/jobs/senior-systems-engineer/54631919 ## About the Role in a Numerate, Scientific or Engineering subject or Higher Education/equivalent training and experience, Proven working experience in requirements management using tools such as DOORS or Polarion.Proven experience working in and/or leading a team undergoing Integration, Verification, Validation and Qualification (IVVQ) of a solution/productDetailed working knowledge of the engineering lifecycle, from concept design, requirements capture and management, system and subsystem design, system integration, through to test strategies, acceptance and design update.Desirable experienceModel Based Systems Engineering (MBSE) methods and tools.Proven working experience of requirements management in Polarion.Architecture Frameworks (MODAF, DODAF, TOGAF etc.)Product line EngineeringElectronic Warfare, Radar or telecommunications domain.Security Clearance Requirement:Due to the nature of the work that we do at Thales, many of our roles are subject to security restrictions. This role requires Security Clearance (SC). It would be advantageous if currently held, however, if not currently held, it is a requirement that the successful applicant undergo, achieve, and maintain SC Clearance prior to commencing employment. Please visit the UKSV website for further guidance.To be eligible for full SC, you generally need to have resided in the UK for the last 5 years. In some circumstances, a minimum of 3 years' residence in the UK over the last 5 years may be accepted, with additional overseas checks.Your career at Thales UKFuture opportunities will allow you to discover other domains or sites. You will be able to evolve and grow your Competencies in different areas: · Room and attention to personal development · Build your talents in another domain of Thales Group, discovering new products, new customers, new country or go to a more complex Solution · Choose between a technical expertise or a leadership path · Build an ## Description solution/product whilst achieving customer satisfaction. We're looking for an experienced Systems Engineer with experience working in safety critical engineering developments and a strong understanding of the development lifecycle.Key responsibilities include:Demonstration that the solution satisfies the overall approved operational needs set out by the customer.Formalisation and management of requirements through DOORS.Assembly of the solution elements in a logical and controlled manner to evaluate design, behaviour, interactions and performance to confirm that the design meets requirements.Formalisation of the specifications and the engineering plans used to develop the solution.Support and undertake IVVQ activities.Trade-off analysis, modelling and simulation.SE and IVVQ related documentation.Work alongside a Systems Engineering team, or Systems Architect, or Project Design Authority to design and formalise the solution.What are we looking for?Minimum of a, Bachelor Degree (BEng, BSc)