Network Engineer

Job Title: WAN Implementation Engineer

Location: Hybrid, 1 day per week in a London office

Employment Type: 6-Month Contract (Inside IR35)

Weekend Work: Migration tasks are primarily scheduled for Saturdays, with occasional Sunday work as required.

Must have hands-on experience working with large carrier-grade networks and service provider WAN architectures.

About the Role:

We are looking for experienced WAN Implementation Engineers with a strong background in service provider environments to support a large-scale network migration. The role involves transitioning from the Legacy network to the new infrastructure, focusing on WAN technologies within a service provider WAN environment. If you have hands-on experience working with large carrier-grade networks and service provider WAN architectures, this opportunity is ideal for you.

The project primarily involves Layer 2 and Layer 3 VPN migrations, requiring engineers who are confident in executing WAN transformations in highly complex, live production environments.

Key Responsibilities:

• Hands-on WAN implementation and execution of network migration tasks within a service provider environment.
• Configure and support WAN technologies such as OSPF/IS-IS, BGP, MPLS VPNs, QoS, Multicasting, and VPWS, ensuring seamless integration and performance.
• Conduct device replacements and Router code upgrades in production environments.
• Lead network migration activities with minimal disruption to critical services.
• Plan and execute capacity upgrades and network optimizations, ensuring service continuity.
• Work closely with internal teams and third-party vendors to coordinate network changes and resolve implementation challenges.
• Maintain accurate documentation of network configurations and contribute to performance monitoring and continuous improvements.

Project Overview:

• Migration Scope: Transitioning from Legacy to new, focusing on service provider WAN networks, Layer 2 and Layer 3 VPNs.
• Weekend Work: Migrations primarily take place on Saturdays, with occasional Sunday tasks as required.

Skills and Qualifications:

• Proven experience in service provider WAN networks, working on large-scale implementations and migrations.
• Expertise in OSPF/IS-IS, BGP, MPLS VPNs, QoS, and Multicasting.
• Strong hands-on experience in Router upgrades, device replacements, and WAN transformations.
• Familiarity with runbook-driven implementations in live service provider environments.
• Ability to document network configurations and monitor WAN performance.

Preferred but not Mandatory:

• Basic automation skills using Ansible for network configurations.