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Systems Architect Consultant

United Kingdom, London · Job Posted March 22, 2026
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Job Description

Our Systems Insights and Solutions team are looking for exceptional System Architects to partner with specialists from across the breadth of PA to turn complex, dynamic, and interconnected challenges into opportunity. You will be a Systems Architect with experience from one of the following sectors Defence and Security, Public Services, Transport, Energy and Utilities and more.

Job Responsibility

  • Tackle some of PA’s hardest problems by applying proven Systems Architecture, Systems Engineering, and System Thinking techniques
  • Break down and solve complex problems which span organisations and disciplines (people, process, information, technology)
  • Engage and present to clients
  • Include model-based systems engineering (MBSE) and tailoring and application of various architecture frameworks and tools

Requirements

  • Proven experience in the application of Systems Architecture, Engineering, and Thinking mindset, tools and approaches
  • Strong analytical skills
  • Strong verbal and written communication skills
  • Experience as a Systems Engineer or in a similar role, with a particular focus on Model-Based Systems Engineering (MBSE) methodologies
  • Experience using modelling and/or architecture industry standard tooling, frameworks and languages (e.g., Sparx EA, MooD, Archi, Capella, IBM Rational Rhapsody, NoMagic/MagicDraw
  • TOGAF, MODAF, Zachman, TRAK, Arcadia, NAF, DoDAF
  • UML, SysML, Archimate, BPMN)

Nice to have

  • Experience working across an engineering enterprise at different stages of the systems engineering lifecycle
  • Demonstrated expertise in solution definition and design
  • Familiarity with open architecture

What we offer

  • Private healthcare
  • 25 days annual leave (plus a bonus half day on Christmas Eve) with the opportunity to buy 5 additional days
  • Generous company pension scheme
  • Opportunity to get involved with community and charity-based initiatives
  • Annual performance-based bonus
  • PA share ownership
  • Tax efficient benefits (cycle to work, give as you earn)

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