* Undertaking requirements engineering work activities within a systems engineering context.* Engaging with customers, other stakeholders, suppliers, other technical disciplines to help develop an appropriate understanding of the problem and to form the bases of viable solutions.* Working as part of a technical team in support of project competition objectives.* Directs production of requirements documentation (e.g. user requirements documents, systems requirements documents, use cases, trace tables, proposed verification & validation methods, verification cross reference indices etc.) using practices, methods and tools which are appropriate to project needs* Delivers work and reports on progress to project leads and customers.* Anticipates and escalates problems and issues encountered with the leadership team.* Plans and structures own work.* Understand and applies relevant technical standards to work and supports compliance. We are looking for a Requirements Engineer to join our growing team of Engineers who is interested in applying, sharing and developing their technical expertise within this demanding programme. The Requirements Engineer shall have experience of leading complex systems engineering and/or requirements engineering projects and is required to join the TRINITY team to meet the significant workload currently being experienced in the area. The work will entail leading and delivering artefacts related to User and System Requirements, Acceptance (including Verification and Validation work), Model-Based Systems Engineering and potentially modelling and architecture. The role will involve engagement with a multitude of stakeholders and directly supporting the military requirements lead.