Network Engineer

Network Engineer

The Network Engineer is responsible for the support, and continuous improvement of the organization's enterprise network infrastructure. Operating within a geographically distributed team and a largely outsourced delivery model, the role ensures the stability, performance, and security of network services across on-premises, cloud, and hybrid environments. This role acts as a technical authority and escalation point for third-line network incidents and problems. It also collaborates closely with peers in the Cloud Infrastructure Engineering team and outsourced service partners to ensure that the network estate supports wider business and IT goals. The Network Engineer will participate in a shared on-call rota to provide out-of-hours support coverage for critical incidents. This role works in close partnership with the Security & Network Architect within the Enterprise Solutions & Architecture function to ensure all network designs and changes align with enterprise architecture, security policies, and governance standards.

Accountabilities

• Act as a technical subject matter expert in enterprise network infrastructure, supporting the design, implementation, configuration, deployment, and performance optimisation of LAN/WAN, SD-WAN, wireless, and unified communication technologies.
• Provide third-line support for escalated network incidents, participating in an on-call rota to support out-of-hours service continuity.
• Provide root cause analysis of system performance issues, working to mitigate risks across the IT landscape.
• Oversee the work of outsourced network service providers to ensure adherence to architectural standards, SLAs, and governance frameworks.
• Lead or support the technical delivery of network components within infrastructure projects, including office 'fit-outs', hardware refresh, and cloud or security initiatives.
• Collaborate with cross-functional teams and business stakeholders to design and implement innovative network solutions that align with enterprise goals.
• Partner with the Security & Network Architect to review designs, contribute to architectural governance, and align with network and security roadmaps.
• Participate in capacity planning, availability improvements, lifecycle upgrades, and change control activities.
• Support site surveys, hardware deployment (rack/stack), and physical configuration of networking equipment when required.
• Maintain accurate and up-to-date documentation including network topologies, designs, configuration standards, and operational handover materials.
• Contribute to security compliance, risk assessments, and network-related change planning.
• Work closely with the Cloud Infrastructure Engineering team to ensure secure, resilient integration between on-premises, cloud, and hybrid network environments.

Skills and Experience

• Comprehensive technical knowledge of enterprise networking including LAN/WAN, SD-WAN, routing (BGP, EIGRP), switching, firewalls, VPNs, wireless, and unified communications.
• Hands-on experience with Cisco networking technologies, Cisco wireless networks, and next-generation firewalls including Palo Alto and FortiGate.
• Familiarity with Microsoft Azure networking and hybrid cloud network integration.
• Working knowledge of network monitoring and management tools.
• Experience delivering network infrastructure to support new sites, expansions, and refreshes in a large enterprise.
• Ability to produce clear and comprehensive documentation for operational handover and governance.
• Experience working in an ITIL-aligned environment and collaborating with outsourced service providers.
• Strong communication skills, able to work across technical and business audiences.
• Ability to coordinate project tasks and contribute to the delivery of cross-functional initiatives.
• Experience working as part of a geographically distributed engineering team.
• Willingness and ability to participate in a third-line support on-call rota.
• Cisco CCNP certification required; CCIE certification preferred.
• Largely able to operate independently and able to coach more junior team members on technical and operational matters.

What We Can Offer

• Base salary + Performance Bonus
• High-end Insurance coverage
• Flexible benefits
• LinkedIn Learning
• Membership in Employee Resource Groups (Professional Women's Network, LGBTQ+, Black Employee Network, Veterans', Mental Health)
• Mental health and well-being support via Mental Health First Aiders & Employee Assistance Program
• Local volunteering opportunities (where applicable)
• Business travel

Tate & Lyle is an equal opportunity employer, committed to the strength of an inclusive workforce.