Functional Systems Engineer - Requirements

In this role you shape and manage requirements for complex defence systems, taking ownership across engineering activities. You will translate customer needs into structured requirements and support system-, subsystem-, and software-level definition. The role involves controlled requirements changes, technical investigations, and clear system communication with engineering and customer teams. You’ll contribute to delivering robust, traceable requirements within a cross-functional, mission-driven environment.

• Performance-related company bonus up to 2,500
• Pension contributions up to 14% total
• Paid overtime opportunities
• Flexible working arrangements

• Capture and develop customer needs into structured requirements
• Support system-, subsystem-, and software-requirement definition
• Manage requirements changes through controlled processes
• Support technical investigations and engineering trade activities
• Communicate system concepts across engineering and customer teams

• British nationality and SC clearance eligibility
• Systems engineering experience in defence environments
• Requirements management and derivation experience
• Experience using systems engineering tools
• Strong technical communication skills

• stakeholder engagement
• clear technical communication
• cross-functional collaboration
• DOORS
• DOORS NG or similar tools
• requirements management and traceability