Network Engineer

Additional Resources; Cheltenham; On-site; GBP 70,000 - 86,000; Full time

Benefits offered by this job

25 days leave + bank holidays

AXA Healthcare cover

Cycle to Work scheme

EV car scheme

Company pension contributions

Training package & budget

Job summary

Additional Resources in Cheltenham is seeking an experienced Network Engineer to support enterprise networking, security and SDN initiatives. The role requires DV clearance and hands-on experience with routing, switching, VLANs, DNS/DHCP and virtualization platforms.

The engineer will maintain diagrams and procedures, aid capacity and resilience improvements, and participate in automation projects using Ansible, Python, and Terraform. Limited travel to client sites may be required.

Qualifications

• Must have previous experience as a Network Engineer or similar role.
• DV clearance or equivalent is required.
• Strong grasp of TCP/IP, routing, switching, VLANs, DNS/DHCP and troubleshooting.
• Background supporting enterprise networks and knowledge of SDN is preferred.
• Familiarity with networking vendors and security best practices.
• Ability to communicate with technical and non-technical stakeholders.

Responsibilities

• Support network security measures including firewalls and VPNs.
• Keep network diagrams, docs and procedures up to date.
• Contribute to capacity planning, performance, and resilience.
• Support virtualized and SDN environments and engage in IaC activities.
• Lead technical workstreams for more experienced engineers.
• Travel to company premises as required and stay current with training.

Skills

TCP/IP

Routing & Switching

VLANs

DNS/DHCP

Network Troubleshooting

Enterprise Networking

OSPF/BGP/EIGRP

MPLS

SDN

Automation basics

VMware ESXi

Hyper-V

KVM

Proxmox

AWS

Azure

Ansible

Python

Terraform

SolarWinds

Zabbix

Network security

Tools

Cisco

Juniper

Arista

HPE

Fortinet

Job description

Salary: £78,000 - 78,000 per year

Requirements:

• Previously worked as a Network Engineer or in a similar role.
• Valid DV clearance.
• Knowledge of networking fundamentals, including TCP/IP, routing and switching, VLANs, DNS and DHCP, and network troubleshooting methodologies.
• Background in supporting enterprise network environments.
• Familiarity with one or more networking technologies or vendors, such as Cisco, Juniper, Arista, HPE or Fortinet.
• Understanding of network security principles and good practice.
• Ability to communicate effectively with technical and non-technical stakeholders.
• Experience with routing protocols such as OSPF, BGP, EIGRP, or MPLS, firewall technologies and VPN solutions.
• Understanding of wireless networking technologies.
• Background with virtualisation platforms such as VMware ESXi, Hyper‑V, KVM, or Proxmox.
• Knowledge of cloud networking concepts across AWS, Azure or hybrid environments.
• Familiarity with network automation tools such as Ansible, Python, Terraform or similar technologies.
• Experience working with network monitoring and management platforms such as SolarWinds, Zabbix, PRTG, LibreNMS or equivalent.
• Knowledge of Software Defined Networking (SDN) and modern data centre networking technologies.

Responsibilities:

• Supporting network security measures, including firewalls, VPNs, access controls and secure connectivity.
• Keeping network diagrams, technical documentation and operational procedures up to date.
• Contributing to capacity planning, performance improvements and network resilience.
• Supporting virtualised and software-defined networking environments.
• Assisting with automation and Infrastructure as Code activities where appropriate.
• For more experienced engineers, taking ownership of technical workstreams, supporting junior colleagues and contributing to network design decisions.
• Travelling to company premises or other locations when required.
• Keeping technical knowledge up to date through relevant training and professional development.

Technologies:

• AWS
• Ansible
• Azure
• Cloud
• Cisco
• Firewall
• Hyper‑V
• KVM
• MPLS
• Network
• Python
• Security
• TCP/IP
• Terraform
• VPN
• VMware
• Zabbix

More:

We are an innovative technology organisation delivering complex software solutions for customers across a specialist technical environment. This full-time Network Engineer role offers a salary of up to £78,000, along with benefits including 25 days of annual leave plus bank holidays, AXA Healthcare cover, a Cycle to Work scheme, a company EV car scheme, company pension contributions, and a dedicated training package and budget with opportunities for career development and progression.

last updated 36 week of 2026