SC Cleared (SC) Network Architect

We are seeking an experienced SC Cleared (SC) Network Architect/Architecture Team Lead to support a key secure account, delivering HLD/LLD documentation, leading architectural initiatives, and driving complex network solutions across a large-scale enterprise environment.

This contract sits within a mission-critical, SC-cleared programme, requiring hands-on architecture expertise across switching, routing, and Firewall technologies.

Key Responsibilities

• Lead and deliver end-to-end Network Architecture across secure infrastructure programmes.

• Produce High-Level and Low-Level Designs (HLD/LLD) for network solutions.

• Work closely with cross-functional architecture teams to define and develop secure design solutions.

• Act as technical lead on major network projects, ensuring customer requirements are fully understood and met.

• Provide architectural guidance, technical leadership, and mentoring to the wider team.

• Create blueprint designs, Bills of Materials, and ensure designs pass internal and customer approval processes.

• Promote best-fit solutions within DXC's network services portfolio.

• Maintain current knowledge of network technologies, cloud networking patterns, and secure design principles.

Essential Experience

• Proven experience as a Network Architect or Architecture Team Lead.

• Strong background in enterprise networking: LAN/WAN, Data Centre, Remote Access.

• Expert skills in switching, routing, and Firewall technologies.

• Extensive experience with major Firewall platforms: Palo Alto, Fortinet, Checkpoint (certified at CCSE or equivalent preferred).

• Professional certification at CCNP level or similar (Cisco, Aruba, Juniper).

• Experience acting as a design authority on large-scale, secure programmes.

• Strong documentation capability-HLDs, LLDs, architecture artefacts, BOMs.

• Experience with cloud networking (AWS, Azure), VXLAN, NSX-T, or Aruba Fabric Composer (desirable).

Soft Skills

• Strong leadership, stakeholder engagement, and communication skills.

• Ability to work independently and collaboratively across architecture and delivery teams.

• Excellent organisation, prioritisation, and problem-solving abilities.

• Comfortable working in high-pressure, fast-moving environments.