Network Engineer

NineTech; Greater London; Hybrid; GBP 83,000 - 111,000; Full time

Job summary

NineTech in London is seeking three Network Implementation Engineers to join a major Campus Refresh Programme on an initial 12-month contract. The role will support a large-scale network transformation, delivering critical infrastructure upgrades across the London headquarters, including a live trading floor and other business-critical areas.

This hands-on delivery role involves designing, implementing and migrating network services, with hybrid work and on-site attendance as required, and close

Qualifications

• Experience delivering network projects within large enterprise organisations.
• Strong implementation and migration expertise.
• Ability to plan, coordinate and execute complex network changes.
• Experience working within structured change control environments.
• Comfortable working with Project Managers to sequence technical activities effectively.
• Strong stakeholder engagement skills across infrastructure, security cabling and business teams.
• Experience delivering repeatable, template-driven network deployments at scale.

Responsibilities

• Delivering campus network refresh and migration activities across multiple floors
• Deploying, configuring and validating new network infrastructure
• Supporting equipment room relocations and network service migrations
• Migrating services via temporary and permanent core/distribution environments
• Refreshing and upgrading enterprise wireless infrastructure
• Supporting wireless site surveys, Access Point deployment and validation across campus locations
• Troubleshooting Wi-Fi connectivity, coverage and performance issues during implementation and post-migration validation
• Working closely with Cabling, AV, Security and End User Testing teams to ensure successful delivery
• Driving network workstreams from planning through to implementation and handover
• Project Coordination, Validation & Governance - 20%

Skills

Proven network project delivery (large

Change management

Planning and coordination

Stakeholder engagement

Tools

Catalyst 6500

Catalyst 4500

Catalyst 9410

Access Points 3800/9130

Wireless Controllers 5508/5520/9800

Job description

Working Pattern: Hybrid with onsite attendance as required

My client within Financial Services is looking for THREE Network Implementation Engineers to join a major Campus Refresh Programme on an initial 12-month contract.

The role will support a large-scale network transformation programme, delivering critical infrastructure upgrades across the client's London headquarters, including a live trading floor and other business-critical operational areas.

This is a hands-on delivery role where you'll play a key part in designing, implementing and migrating network services as part of a multi-year transformation programme.

What You'll Be Doing

• Delivering campus network refresh and migration activities across multiple floors
• Deploying, configuring and validating new network infrastructure
• Supporting equipment room relocations and network service migrations
• Migrating services via temporary and permanent core/distribution environments
• Refreshing and upgrading enterprise wireless infrastructure
• Supporting wireless site surveys, Access Point deployment and validation across campus locations
• Troubleshooting Wi-Fi connectivity, coverage and performance issues during implementation and post-migration validation
• Working closely with Cabling, AV, Security and End User Testing teams to ensure successful delivery
• Driving network workstreams from planning through to implementation and handover
• Project Coordination, Validation & Governance - 20%

Essential Technical Skills

• Cisco Catalyst Switching
  • Catalyst 6500
  • Catalyst 4500
  • Catalyst 9410
• Cisco Wireless Technologies
  • Access Points (3800 Series - 9130 Series)
  • Wireless Controllers (5508, 5520 & 9800)
• BGP Routing within Enterprise Campus Environments

Desirable Experience

• Firewall awareness within campus networks
• Enterprise Wi-Fi deployment, troubleshooting and RF/coverage validation
• Experience within enterprise office and trading floor environments

What We're Looking For

• Proven experience delivering network projects within large enterprise organisations
• Strong implementation and migration expertise rather than operational support
• Ability to plan, coordinate and execute complex network changes
• Experience working within structured change control environments
• Comfortable working with Project Managers to sequence technical activities effectively
• Strong stakeholder engagement skills across infrastructure, security cabling and business teams
• Experience delivering repeatable, template-driven network deployments at scale