UML Modeller - (DV Cleared)
5 days ago
Basingstoke
UML Modeller - (DV Cleared) Zero Trust Architecture Programme Location: Basingstoke or Corsham (onsite requirement) Duration: 12 months (with potential extension) Rate: Outside IR35 - £650 per day Clearance: UKSV Developed Vetting (DV) – current and active Start Date: ASAP Overview We are looking for an experienced UML Modeller to join a major Zero Trust Architecture (ZTA) transformation programme within a secure UK Government / Defence environment. This is a mission-critical, long-term contract suited to a highly capable modeller who can translate complex systems into structured, traceable designs — ensuring alignment with Zero Trust and Security-by-Design principles. You’ll work alongside Enterprise and Security Architects to model, document, and integrate next-generation secure infrastructure components within a tightly governed engineering environment. Key Responsibilities • Develop and maintain UML and SysML models supporting the design, integration, and delivery of secure system architectures., • Produce detailed architecture artefacts (component, class, sequence, and activity diagrams)., • Collaborate with solution, network, and security architects to ensure alignment with Zero Trust principles., • Maintain model integrity and traceability across multiple design layers., • Support architecture reviews and governance boards, providing modelling best practices and technical guidance., • Ensure all artefacts comply with MODAF, TOGAF, or NIST 800-207 frameworks and defence security standards., • Work securely, following strict configuration, classification, and change control procedures. Skills & Experience Essential: • Active UKSV DV clearance (current and in use)., • Proven experience as a UML Modeller, Systems Engineer, or Solution Designer on large-scale or classified programmes., • Strong knowledge of Zero Trust Architecture (ZTA) and security-by-design concepts., • Proficiency in Enterprise Architect, MagicDraw, or equivalent UML tools., • Solid understanding of systems integration, data flows, and secure infrastructure design., • Excellent communication and documentation skills, with the ability to produce high-quality technical artefacts. Desirable: • Familiarity with MODAF, TOGAF, or NATO Architecture Framework (NAF)., • Experience within Defence Digital, MOD, or other UK Government secure programmes., • Understanding of network segmentation, IAM, and policy enforcement mechanisms (PEP/PDP)., • Exposure to Agile, DevSecOps, or secure systems engineering environments. Interested? If you hold active DV clearance and have a strong background in UML modelling within secure or defence environments, we’d love to hear from you. Apply today or contact us for a confidential discussion.