Senior Systems Architect

Company: AECOM
Apply for the Senior Systems Architect
Location: Warrington
Job Description:

Our Warrington office supports and provides an array of consultancy services to various diverse clients including:

  • Defence sector providing multi-disciplinary new build support to various clients.
  • MoD supporting the Nuclear CASD providing new facilities around the UK
  • Defence Infrastructure Organisation
  • Nuclear new build sector where we are providing engineering support to the developers of the UK’s fleet of new nuclear power stations
  • Decommissioning Sector, which requires considerable new build to enable decommissioning, where AECOM provides support to the entire Nuclear Estate.
  • Joint ventures overseas, providing engineering expertise from cradle to grave.

What You’ll Do

  • Identification of all Systems, Sub‑systems and Components (SSCs) and definition of interfaces and relationships between them.
  • Facilitate optimisation of System performance through Requirements analysis and design.
  • Identification and mitigation of risk through modelling System behaviour.
  • Interface with client technical and non‑technical teams, remotely and directly on‑site.
  • Authoring and reviewing technical documentation and processes.
  • Apply Systems Engineering best practices and approaches to grow the Systems Engineering capability within the engineering team.

Qualifications

  • Experience in Model Based systems Engineering (MBSE) and SysML.
  • Experience and a full understanding of Systems Engineering, the V‑model and associated processes/lifecycles.
  • Degree qualified in STEM or a similar subject, or demonstratable engineering experience supported by appropriate qualifications.
  • Chartered Engineer, or on the path to Chartered status with an appropriate institute.
  • Currently SC cleared or able to meet SC requirements.
  • Experience in highly regulated industries such as Defence, Oil & Gas, Pharmaceutical, Nuclear.
  • Experience in writing and formally reviewing high quality technical documentation.
  • Knowledge of Systems Engineering practices, methodologies, processes, techniques, and technology trends e.g. SEBoK, INCOSE practices, NASA System Engineering, DOORS.

Preferred Additional Qualifications / Skills

  • Team management and Leadership.
  • Project management skills.
  • Criticality awareness.
  • Radiation awareness.
  • HAZOP knowledge.
  • Nuclear site operations.
  • Nuclear decommissioning.
  • Nuclear new build.
  • Nuclear safety cases.

You will also be self‑motivated with an ability to work both autonomously where required, with a strong sense of commitment, a willingness to learn and a desire to work in a dynamic deadline‑driven team environment.

As an Equal Opportunity Employer, we believe in each person’s potential, and we’ll help you reach yours.

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Posted: May 22nd, 2026