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Senior Network Engineer - Consultancy

Hamilton Barnes

Greater London, England, United Kingdom · senior
£70,000
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Job at a glance

£70,000
Salary
Greater London, England, United Kingdom
Location
Hybrid
Work arrangement
Senior
Seniority
Hamilton Barnes
Employer
Network Engineer jobs
Category

Looking to take your career to the next level? Join a trusted IT services partner supporting some of the UK’s most demanding and fast-paced businesses. Established over a decade ago, the organization has built its reputation on technical excellence, strong people, and the successful delivery of critical IT projects with clarity and precision. Ready to make an impact? Submit your application today.

Responsibilities: Design, build, and implement enterprise network solutions Deliver across a major data centre transformation programme Support network migrations, optimisation, and traffic engineering Decommission legacy infrastructure and consolidate services Configure and manage routing, switching, and firewall technologies Own network performance, stability, and continuous improvement Produce technical documentation including runbooks and handovers Collaborate with cross-functional teams across infrastructure and operations Support planned migration activities (including occasional weekend work) Skills / Must Have: Strong experience with Cisco Data Centre technologies Solid Routing & Switching expertise (CCNP level or equivalent) Proven ability to configure and troubleshoot enterprise-grade networks Hands-on experience with Fortinet / FortiGate firewalls Strong understanding of network security principles Ability to operate both independently and within a team Experience working in complex, large-scale environments Desirable Skills: Experience with Juniper networking technologies Exposure to Palo Alto firewalls Background in financial services or regulated environments Working Setup: Cisco Data Centre networking technologies Enterprise routing and switching Fortinet / FortiGate firewalls Multi-vendor environments (Cisco, Juniper) Large-scale enterprise network infrastructure Data centre environments and migrations Location & Working Pattern: London – Hybrid working 3 days onsite (likely reducing to 1–2 days) Occasional data centre visits Some out-of-hours work during migration phases Benefits: Work on a business-critical transformation programme High ownership within a core engineering team Exposure to large-scale, complex network environments Strong visibility across infrastructure and leadership teams Salary: £70,000 base salary Competitive package depending on experience

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