Network & System Engineer

A leading technology business operating within advanced wireless communications is looking for a Network & Test Systems Support Engineer to support its R&D and test operations environment on an initial 6-month contract.
The successful contractor will support complex networking and test lab infrastructure, helping to build and maintain robust end-to-end environments involving servers, networking equipment, and radio systems used in next-generation connectivity solutions.
This role would suit an engineer with strong networking, Linux, and troubleshooting expertise who is comfortable working in fast-paced engineering environments.
This is primarily an on-site position based in the Cambridge area.
Engineers working the night shift will operate remotely while remaining fully on call throughout the shift and must be able to attend the office at short notice if required.
Key responsibilities

Configure and support enterprise-grade network infrastructure including VLANs, routing, firewalls, QoS, and IPv4/IPv6 environments
Build and maintain scalable end-to-end test environments involving networking, servers, and wireless/radio components
Monitor, analyse, and troubleshoot network and system issues using tools such as Wireshark, tcpdump, and SNMP
Support interoperability and performance testing across integrated systems
Develop and maintain automation scripts for provisioning, configuration, and testing
Ensure systems follow security and compliance best practices
Work closely with cross-functional engineering and development teams

Required experience

Strong Linux systems administration experience (Ubuntu, RedHat, CentOS)
Hands-on networking experience across Layer 2 and Layer 3 technologies
Strong understanding of IPv6, dual-stack networking, subnetting, DHCPv6, and TCP/IP
Experience with enterprise or service-provider-grade networking hardware
Experience with 10G Ethernet technologies (copper and fibre)
Knowledge of virtualisation and container technologies including VMware, KVM, Docker, or Kubernetes
Excellent troubleshooting and problem-solving skills
Comfortable working independently and within collaborative engineering teams

Desirable skills

Python, Bash, or Ansible scripting and automation experience
Exposure to CI/CD or automated testing environments
Understanding of 4G/5G network architecture
Experience with network traffic generation or performance testing tools
Industry certifications such as CCNP, CCIE, or JNCIP

Additional information

Initial 6-month contract
Inside IR35
Cambridge-based role
Immediate or short-notice availability preferred

please contact Marcus for more information.