Confirmed on the employer's own hiring board on Oct 15, 2026. First seen by Alion on Oct 15, 2026. BAE Systems scores B on the Alion truth index.
Job Title: Senior Mission System Engineer
Location: Warton. We offer a range of hybrid and flexible working arrangements - please speakto your recruiter about the options for this particular role
Salary: £52,161+ depending on skills and experience
Who we are:
Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You’ll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us.
From the depths of the ocean, to the far reaches of space, there’s no limit to where a career at BAE Systems could take you.
Job Description:
The Senior Mission Systems Engineer will play a key role within the Mission Systems Delivery Team (MSDT), supporting the Assessment Phase of the Future Combat Air System (FCAS) programme. This position focuses on coordinating and integrating engineering activities across an international team, ensuring the successful development of future mission system concepts, architectures, and designs. The rolecombines systems engineering, stakeholder management, agile delivery, and engineering governance, working closely with customers, partners, suppliers, and Ministry of Defence stakeholders.
Core Duties:
- Coordinate engineering activities across multidisciplinary teams to support the delivery of advanced mission system capabilities.
- Build and maintain strongrelationships with UK and international partners, customers, and key programme stakeholders.
- Support programme planning and scheduling activities, tracking progress and ensuring engineering milestones are achieved.
- Facilitate agile planning, task management, and performance reporting across engineering teams.
- Leadand coordinate technical reviews, governance meetings, and working groups to support programme delivery.
- Collaborate with project managers, delivery teams, and engineering leadsto identify risks, resolve issues, and drive successful outcomes.
- Championcontinuous improvement initiatives, enhancing quality, efficiency, and team performance.
- Provide guidance and support to engineering leaders, helping ensure the successful delivery of current and future programmes.
Essential Skills:
- Degree qualified in Engineering, Systems Engineering, Aerospace, Electronics, Computer Science or another STEM-related discipline, or equivalent industry experience.
- Experience working within a systems engineering environment across the full engineering lifecycle.
- Strongunderstanding of systems engineering principles, processes, and best practices.
- Experience using systems engineering methods, frameworks, and modelling tools such as UML, SysML, MoDAF, MOOD, or similar.
The Mission Systems Delivery (MSDT) Team:
Join a pioneering team helping shape the future of military aviation. As a Mission Senior Systems Engineer, you’ll support the delivery of innovative mission system solutions for the Future Combat Air System (FCAS) programme. Working within a collaborative international environment, you’ll coordinate engineering activities, leadagile planning and reviews, managetechnical documentation, and build strongrelationships with industry partners and defence stakeholders.
This is an excellent opportunityfor engineers with systems engineering, project integration, or engineering managementexperience who enjoy working across multidisciplinary teams and influencing the development of next-generation air combat capabilities. The roleoffers exposure to cutting-edgedefence technology and opportunities for both UK and international collaboration.
Why BAE Systems?
Here you’ll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidenceand be empowered to be your best. You’ll be recognised for your contribution and enjoy rewards tailored to what’s most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strongsense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make.
A place where everyone can thrive:
We’re committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do.
Please be aware that many roles at BAE Systems are subject to both security and export controlrestrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the rolesyou are eligible to perform within the organisation. All applicantsmustas a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicantsmusttypically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks.
Closing Date: 30th October 2026
We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible.

