We are seeking a senior‑level Network professional to lead the design, delivery, and operation of secure, resilient network solutions across campus, branch, and data center environments. This role owns end‑to‑end solution delivery and works in close partnership with infrastructure, security, real estate, risk, and audit teams to drive operational excellence, regulatory compliance, and continuous improvement.The ideal candidate brings deep technical expertise, strong delivery leadership, and the ability to operate effectively in complex, highly regulated enterprise environments.We’re seeking a future team member for the role of Production Services Network Engineer to join our Technology Services Group (TSG) – Network Services team. This position is based in Manchester, UK. In this role, you’ll make an impact in the following ways: Lead complex DMZ projects involving routing, remote access, onboarding, segmentation, migration, and perimeter connectivity activities. CCIE or demonstratable equivalent skill.Deliver routing, path, failover, and connectivity changes for DMZ-hosted and externally connected servicesExecute Cisco network changes supporting DMZ servicesProvide SME support across across data centre and perimeter connectivity technologiesSupport onboarding of new applications and services into the DMZDrive automation opportunities across repetitive perimeter services and help define self-service patterns for standard requestsPartner with stakeholders to simplify intake, standardize delivery, and improve operational scalability To be successful in this role, we’re seeking the following: SME-level knowledge of Cisco ACI, Cisco SD-WAN, BGP, routing, VRFs, GRE, IPsec and related connectivity technologiesStrong hands-on experience designing and executing Cisco network changes in perimeter and DMZ environmentsExperience with automation tooling, workflow orchestration, or infrastructure-as-code approaches. Use of Terraform, Ansible and Python.Experience with Cloud networking, Azure, AWS, Aviatrix, beneficial.Experience with F5 and proxies beneficial.Experience with Zscaler and GlobalProtect or in perimeter or secure access use cases beneficial.Demonstrated experience leading complex network or perimeter delivery projects across multiple stakeholdersExperience identifying manual processes and converting them into automated or self-service delivery patterns.Strong troubleshooting, change planning, implementation validation, and stakeholder management skillsExperience working within controlled change processes using JiraExperience supporting segmentation, migration, and failover testing initiativesExperience working in large enterprise network environments, and associated monitoring tools, such as Orion, Splunk and Forward Networks.