Network Field Services Engineer

Network & Security Project Engineer

London HQ / Customer Sites / Hybrid

£50,000 - £60,000 Overtime Benefits

Immediate Start Available

The Role

We are looking for a Senior Network & Security Project Engineer to join our project delivery team.

This is a hands-on, customer-facing role for a proven engineer who can confidently implement Low-Level Designs (LLDs) across a broad networking and security stack.

You'll work independently or as part of a team to deliver structured infrastructure deployments across customer environments.

SD-WAN experience is an absolute must for this role.

Key Responsibilities

• Implement Low-Level Designs (LLDs) confidently across the full networking stack
• Deliver end-to-end network and security deployments
• Configure and deploy SD-WAN solutions
• Implement firewall, routing, switching and wireless technologies
• Troubleshoot complex infrastructure issues during project delivery
• Produce high-quality technical documentation
• Interface professionally with customers (onsite and remote)
• Support flexible working hours aligned to project requirements
• Provide guidance and support to junior engineers when required

You must have strong hands-on experience across:

• SD-WAN (Essential)
• Velocloud (key platform)
• HPE Silver Peak
• Strong understanding of SD-WAN design and implementation principles
• Security
• Fortinet
• Palo Alto
• Firewall policy configuration
• IPS / IDS
• Web filtering
• SASE concepts
• Routing & Switching
• Cisco
• Juniper
• OSPF, BGP, MPLS
• Layer 2 / Layer 3 switching
• Wireless & WAN
• Juniper Mist
• Teltonika 4G / 5G gateways

Additional

• DDI (DNS, DHCP, IPAM)
• SNMP / API monitoring tools
• ServiceNow or other ITSM platforms

This is a senior-level role so we need someone who is:

• A strong generalist across networking technologies
• Proven in delivering customer-facing infrastructure projects
• Confident implementing from LLD documentation without hand-holding
• Methodical and structured in approach
• Strong in customer communication and stakeholder engagement
• Able to manage time and priorities effectively
• You should be comfortable owning technical delivery and representing the business professionally in front of clients.

You will get:

• Exposure to enterprise-level SD-WAN and security projects
• Vendor training to support continued growth
• A technically strong and delivery-focused environment

If you're a proven Network & Security Engineer with strong SD-WAN experience and the confidence to deliver LLD implementations across Cisco, Juniper, Fortinet and Velocloud environments, we'd like to speak with you.