CBSbutler Holdings Limited trading as CBSbutler
Senior Network Engineer - SC Cleared
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CBSbutler Holdings Limited trading as CBSbutler
Senior Network Engineer - SC Cleared
£550/day - £600/day
Barrow-in-Furness
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Description

Senior Network Engineer (Contract)

Contract Duration: initial 12 months, extensions likely
Location: Barrow-in-Furness, Cumbria - Full-time onsite

Eligibility Requirements

  • Active SC Clearance is mandatory
  • Sole UK Nationality required (UK passport only)
  • Additional vetting applies; onboarding may take longer than standard processes

Role Overview

We are seeking an experienced Senior Network Engineer to lead the design and delivery of enterprise network infrastructure for a major secure programme. This is a hands-on, on-site role focused on physical network environments, structured cabling, comms rooms, and Cisco-based network implementations.

You will take ownership of technical design, documentation, and on-site delivery, working closely with engineers, project managers, and suppliers to build resilient, secure IT environments.

Key Responsibilities

  • Lead technical design, planning, and on-site implementation of network infrastructure projects
  • Design and oversee comms rooms, rack layouts, patching schemes, structured cabling and containment (copper and fibre)
  • Produce and maintain High-Level and Low-Level Designs (HLD/LLD) and technical documentation
  • Provide technical assurance on containment design, pathways, labelling, and installation standards
  • Support configuration, deployment, and troubleshooting of Cisco network equipment (switching, routing, wireless, firewalls)
  • Integrate storage platforms (SAN/NAS) and associated networking
  • Plan UPS and power resilience solutions for comms rooms and infrastructure environments
  • Conduct site surveys, hardware audits, and implementation assessments
  • Ensure solutions meet security, operational, and compliance requirements
  • Work with suppliers and third parties on quotes, delivery, and technical coordination

Essential Skills & Experience

  • Strong background in enterprise network infrastructure and on-site delivery
  • Deep knowledge of structured cabling (Cat5e/6/6a), fibre types, termination standards, and containment
  • Hands-on experience with Cisco switching and routing (IOS / NX-OS)
  • Understanding of VLANs, routing protocols, DHCP, DNS, wireless and segmentation
  • Experience with SAN/NAS connectivity and storage networking
  • Knowledge of UPS, power distribution, and environmental requirements for comms rooms
  • Ability to interpret and produce technical drawings, schematics, rack elevations and wiring diagrams
  • Excellent stakeholder communication and leadership skills
  • Active SC Clearance (mandatory)

Desirable Experience

  • Experience in secure or regulated environments (defence, government, critical national infrastructure)
  • ITSM knowledge (ServiceNow or similar)
  • Datacentre best practices (cooling, redundancy, monitoring)
  • Certifications such as CCNA / CCNP / CompTIA Network+ / Server+ or vendor cabling accreditations

Working Requirements

  • Full-time onsite presence in Barrow-in-Furness
  • Sole UK nationality (security constraint)

Behaviours & Culture Fit

We’re looking for someone who:

  • Is approachable and collaborative
  • Shares challenges openly and helps solve them
  • Has the courage to challenge and innovate
  • Asks questions and seeks continuous improvement
  • Demonstrates a strong “can-do” delivery mindset
Role tech stack
CBSbutler Holdings Limited trading as CBSbutler
Senior Network Engineer - SC Cleared£550/day - £600/day
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