Senior Network Engineer/Architect - SC Cleared

Senior Network Engineer/Architect – SC Cleared

Whitehall Resources are currently looking for a Senior Network Engineer/Architect – SC Cleared. You will be required to use an FCSA Accredited Umbrella Company for this role. Must not have been outside of the UK for more than 28 consecutive days in the last 5 years. Must not hold any Dual Nationality.

Key Requirements:

• The Senior Network Engineer/Architect will lead the technical design, coordination, and delivery of onsite network infrastructure projects.
• This role focuses heavily on physical network environments, including comms rooms, structured cabling, copper and fibre containment, and the implementation of enterprise grade Cisco networking solutions.
• The ideal candidate will bring deep hands-on experience across network hardware, storage platforms, UPS systems, and broader infrastructure components required to build and support resilient IT environments.

Key Responsibilities:

• Lead the design, planning, and onsite implementation of network infrastructure projects.
• Oversee comms room layouts, rack design, patching schemes, cable management and end to end structured cabling requirements (copper and fibre).
• Produce and maintain High-Level and Low-Level Designs (HLD/LLD), installation standards, and technical documentation.
• Provide technical assurance across containment design, labelling, pathways, and compliance with site installation best practices.
• Assist engineers in configuration, deployment, and troubleshooting Cisco network equipment (switching, routing, wireless, firewalls).
• Support integration of storage platforms, SAN/NAS equipment, and associated networking.
• Plan and coordinate UPS installations, power requirements, and resilience considerations in line with site design.
• Collaborate with project managers, engineers, suppliers, and security teams to ensure seamless delivery of infrastructure solutions.
• Conduct onsite assessments, surveys, and hardware audits to validate designs and implement improvements.
• Ensure solutions align with operational, security, and compliance standards.
• Liaise effectively with 3rd parties and suppliers, working with them to produce quotes and manage deliverables.

Key Experience:

• Strong technical background in enterprise network infrastructure and onsite implementation.
• Deep understanding of structured cabling (Cat5e/6/6a), fibre types, termination standards, containment, and patching systems.
• Hands-on experience with Cisco switching and routing technologies (IOS/NX-OS environments).
• Working knowledge of wireless technologies, VLANs, routing protocols, DHCP, DNS, and network segmentation.
• Experience working with storage systems (SAN/NAS) and their connectivity requirements.
• Familiarity with UPS technologies, power distribution, and environmental considerations for comms rooms.
• Ability to interpret and produce technical drawings, rack elevations, schematics, and wiring diagrams.
• Strong stakeholder communication skills and ability to lead technical discussions onsite.

Desirable Skills:

• Experience in secure or regulated environments (defence, government, critical national infrastructure).
• Knowledge of ITSM processes (ServiceNow or similar).
• Understanding of datacentre standards and best practices (cooling, redundancy, monitoring).
• Certifications such as CCNA/CCNP, CompTIA Network+/Server+, or vendor specific cabling accreditation.