Salary: £? - ? per year Requirements: Experience in enterprise network operations and troubleshooting. Proven ability to configure and support LAN/WLAN environments, routing/switching, VLANs, and DNS/DHCP. Knowledge of routing protocols and networking technologies such as BGP, VRRP/HSRP, TCP/UDP, and LACP. Strong diagnostic skills using packet capture and other troubleshooting tools. Excellent communication and documentation skills, with a proactive problem-solving mindset. Willingness to assist with systems administration tasks when required. Experience with Arista EOS, CloudVision, or similar network platforms is beneficial. Familiarity with firewalls, network access control (802.1x, RADIUS), or zero-trust security concepts is beneficial. Exposure to infrastructure-as-code (Terraform, Ansible) and version control systems (Git) is beneficial. Experience with monitoring and observability tools (LogicMonitor, Grafana, Prometheus) is beneficial. Knowledge of hybrid cloud networking, including AWS Direct Connect or GCP Interconnect, is beneficial. Relevant certifications such as CCNP, AWS Advanced Networking Specialty, or Google Cloud Network Engineer are beneficial. Responsibilities: Administer, operate, and maintain our enterprise network infrastructure, including LAN/WLAN, VPNs, DNS/DHCP/IPAM, firewalls, and cloud networking across AWS and GCP. Proactively monitor and troubleshoot performance, availability, and connectivity issues, taking ownership of incident resolution end-to-end. Support systems administration tasks when required, including account provisioning, server patching, storage, and backup troubleshooting. Strengthen network security through policy enforcement, configuration audits, and adherence to best practices. Collaborate with IT Engineering on network design reviews, ensuring smooth handoffs into production. Document configurations, standard operating procedures, runbooks, and network diagrams to facilitate knowledge sharing. Participate in our UK on-call rotation for critical issues outside regular business hours. Technologies: AWS Ansible Cloud GCP Git Grafana Support LAN Network Prometheus Security Terraform WLAN More: We are seeking a skilled Network Engineer on a contract basis to join our IT Operations team in Oxford, working three days per week on a 6-12 month contract at a rate of £500 per day inside IR35. In this role, we ensure the reliability, performance, and security of critical network infrastructure across our company, data centre, and multi-cloud environments, including AWS and GCP. You will work in a fast-paced, collaborative environment supporting cutting-edge technology, primarily focused on networking while also contributing occasionally to systems administration tasks as needed. last updated 23 week of 2026