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Plusnet Logo Plusnet · IT - Software Development

Network Architect Specialist

United Kingdom, London · Job Posted January 25, 2026
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Job Description

You'll be joining a specialist security team that is a trusted partner to governments worldwide, protecting critical national infrastructure. The team is customer focused so you’ll have the opportunity to work directly with end customers, understand their requirements and lead the design of solutions that make a significant difference in protecting the society in which we live.

Job Responsibility

  • Lead the creation of high and low level network designs for complex IP networks
  • Be hands on implementing these solutions
  • Work directly with our customers to understand their requirements
  • Work with support teams to enable management and the ongoing support of deployed solutions
  • Provide some third line support to deployed solutions
  • Provide support to other members of project teams, setting the technical direction for their own deliveries

Requirements

  • Network Architecture
  • Requirements Gathering
  • Network Security
  • Network Design
  • Network Infrastructure
  • Experience in designing, building and providing third-line support for complex IP networks
  • Knowledge of how to set the technical direction for complex and potentially large network solutions
  • Knowledge of network design for security
  • Ability to communicate complex technical concepts and solutions to a range of audiences
  • Desire to continually update, enhance and validate own skills
  • Must be able to obtain DV clearance
  • Must have lived in the UK for 10 years+

Nice to have

  • Experience with enterprise and operator-scale routing design using protocols such as OSPF, IS-IS, BGP, LDP or RSVP
  • Experience of automation and Software Defined Networking approaches
  • Experience of internal and external stakeholder management and engagement
  • Certification in a network engineer discipline such as CISCO CCNP Routing and Switching

What we offer

  • Competitive salary
  • 10% on target bonus
  • BT Pension scheme
  • 25 days annual leave
  • Flexible benefits including cycle to work, healthcare, season ticket loan
  • World-class training and development opportunities
  • Equal family leave
  • Enhanced women’s health support
  • 24/7 private virtual GP appointments
  • 2 weeks paid carer’s leave
  • Option to join BT Shares Saving schemes
  • Discounted broadband, mobile and TV packages
  • Access to 100’s of retail discounts
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