Principal Engineer - Systems Engineering (Model Based Architecture)

BAE Systems; Coventry; On-site; GBP 80,000 - 100,000; Full time

Job summary

A leading defense contractor in Coventry seeks a Principal Engineer for Systems Engineering. This role involves designing complex systems and requires strong knowledge of SysML and engineering processes. The position offers a hybrid working model with competitive benefits including a pension scheme and enhanced leave. Applicants should have a relevant STEM degree and experience with model-based systems engineering toolsets.

Benefits

Competitive pension scheme

Enhanced annual leave allowance

Employee discounts

Qualifications

• 5+ years of experience in a relevant engineering field.
• Strong understanding of complex systems and design.
• Ability to work collaboratively in cross-functional teams.

Responsibilities

• Design and maintain requirements for complex technical systems.
• Generate SysML views to capture system interactions.
• Support full project lifecycle from planning to operational readiness.

Skills

Degree or equivalent within a STEM field

Familiarity with SysML

Experience with Model Based System Engineering toolsets

Understanding of Systems Engineering and Systems thinking

Familiarity with the Engineering System Lifecycle

Education

Degree in STEM field

Tools

Enterprise Architect

Job description

Overview

Job Title: Principal Engineer - Systems Engineering (Model Based Architect)

Location: Coventry. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role

Salary: Negotiable dependent on experience

What you’ll be doing

• Design and maintain requirements, architectures, and system designs for complex technical systems
• Generate SysML views to capture interactions between complex systems within the Submarine
• Support with the full utilisation and development of model-based systems engineering artifacts across a portfolio of products
• Expand, elaborate, and own key system design elements and associated systems engineering products that drive customer success
• Work with cross-functional teams to define system functions, requirements and design elements to ensure optimal performance in constrained technical environments
• Decompose complex designs into understandable components for further elaboration and development
• Support the execution of the full project lifecycle, from planning, through implementation, to operational readiness

Your skills and experiences

• Hold a Degree or equivalent within a STEM field
• Have a strong familiarisation of SysML
• You will need to have experience of using Model Based System Engineering toolsets such as Enterprise Architect
• Have a firm understanding of Systems Engineering and Systems thinking
• Familiarity with the Engineering System Lifecycle and its related process (specifically processes mentioned ISO/IEC 15288)

Benefits

You’ll receive benefits including a competitive pension scheme, enhanced annual leave allowance and a Company contributed Share Incentive Plan. You’ll also have access to additional benefits such as flexible working, an employee assistance programme, Cycle2work and employee discounts - you may also be eligible for an annual incentive.

The team

By joining the team, you will have a great opportunity to work collaboratively on a model-based systems engineering approach for the first time on a submarine platform. You will play a key part in how we bring various complex systems together to support whole boat operations. You will be involved in one of the biggest and most expensive programmes within the United Kingdom and have fantastic room for career growth and progression within the role. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria.

To support our ongoing need to recruit the best engineering talent, BAE Systems Submarines is delighted to shortly be opening a brand new office in Coventry. BAE Systems Submarines is experiencing a period of significant growth and we are now actively recruiting a variety of roles and specialisms to support our ongoing submarines programs which is critical to delivering our national endeavour.

Why BAE Systems?

This is a place where you’ll be able to make a real difference. You’ll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you’ll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments.

Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically 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

13th October 2025

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.

How to apply

• Register an account (this is optional, you can apply as a guest)
• Provide contact information
• Upload your cv
• Complete a short diversity & inclusion questionnaire

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