Opticore IT are currently searching for a Senior Network Engineer to join the core network team for a large Financial Services client, responsible for designing, implementing, and supporting enterprise-grade network solutions with a strong focus on Google Cloud Platform (GCP). This is a hybrid opportunity based 3 days on site in London.

Opticore IT is a specialist Networks & Platform Engineering and Project Management consultancy offering a wide variety of opportunities to work within fast-paced, challenging environments across our client base spanning multiple sectors, including Finance, Broadcast Media, Telecommunications and more.

What you'll be doing:

• Design, implement, and operate GCP networking architectures, including VPC design, hybrid connectivity, and secure interconnects 

• Act as the technical authority for GCP networking, providing guidance, best practices, and design reviews to the wider network team 

• Support hybrid connectivity between on-premises data centres, GCP, Azure, and AWS environments 

• Design and manage: VPCs, subnets, routing, and firewall rules / Cloud VPN and Cloud Interconnect (Partner/Dedicated) 

• Work closely with cloud, platform, and security teams to ensure network designs meet performance, resilience, and security requirements 

• Troubleshoot complex network issues across cloud and on-prem environments, acting as escalation point where required 

• Contribute to network standards, reference architectures, and operational runbooks 

• Participate in design forums, change reviews, and incident/problem management activities

• Provide informal mentoring and knowledge transfer to Azure and AWS-focused engineers 

What you'll bring:

• Routing and switching concepts: BGP/ OSPF

• Strong hands-on experience with: 

  • GCP VPC architecture and design 

  • VPC peering and Shared VPC 

  • Cloud VPN (HA VPN) 

  • Cloud Interconnect 

  • Firewall rules and network policies

• Ability to diagnose and resolve complex network issues across cloud and physical environments 

Diversity:

At Opticore IT we embrace diversity and are committed to equal opportunities. We actively recruit for an inclusive and diverse workforce and as such, want to ensure we do everything we can to support your application.

We want you to feel empowered to let us know if you require any adjustments to be made with your application or interview process so please speak to our recruitment team.