Requirements Systems Engineer

We're looking for an experienced Systems Engineer to support a major, mission‑critical programme. You'll work across customers, suppliers and internal teams to define, model and deliver complex system‑of‑systems solutions, with a strong focus on MBSE and requirements engineering.

The Role

• Lead key engineering tasks and help shape the full systems lifecycle.
• Work with stakeholders to define and allocate system‑level requirements.
• Develop models, scenarios and behavioural diagrams using MBSE tools.
• Capture and manage requirements in DOORS.
• Oversee lower‑level designs and produce engineering artefacts (designs, FMEA, compliance reports, capacity analysis, onboarding designs).
• Support architectural definition and trade studies.
• Contribute to milestone reviews and technical documentation.

Skills & Experience

• Strong experience with modelling tools (Sparx EA, Cameo/MagicDraw).
• Skilled in frameworks/languages such as TOGAF, MODAF, NAF, SysML or ArchiMate.
• Background in complex integration programmes.
• Experience modelling behaviour, interfaces and functional requirements.
• Solid understanding of virtualised systems and service‑oriented architectures.
• Confident communicator able to work across multiple stakeholders.

Desirable

• ITIL knowledge.
• Experience in safety‑related or regulated environments (e.g., Air Traffic Management).
• Strong presentation and documentation skills.