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# IT Ops Engineer (PC/LAN)

- **Company:** QinetiQ Group plc
- **Location:** Lincoln, UK
- **Experience:** Expert
- **Salary:** £59,400.0 - £66,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Computer Networks, System Configuration, Information Technology Operations, Software Deployment, Computer Network Technologies, Information Technology, Cisco
- **Published:** September 23, 2026
- **Apply:** https://careers.qinetiq.com/talentcommunity/apply/1440215033/?locale=en_GB

## About the Role

* Experience supporting and administering enterprise Microsoft Windows environments
 * Strong infrastructure and networking knowledge, including troubleshooting complex technical issues
 * Hands-on experience supporting Cisco network technologies
 * Experience delivering operating system upgrades, software deployments or infrastructure improvement projects
 * Experience working within secure, defence, government or highly regulated environments
 * Ability to provide technical leadership and collaborate effectively with technical and non-technical stakeholders, * Active MOD DV clearance
 * Relevant industry certification such as CCNA, ITIL Foundation or equivalent experience
 * Evidence of continuing professional development within infrastructure, networking or IT operations disciplines

We value difference and we don't have a fixed idea when it comes to background or education, provided you can show the required level of experience and willingness to learn then we would like to hear from you.

## Description

As a Senior IT Infrastructure Engineer, you will play a key role in maintaining and enhancing the critical IT networks and systems that support operational capability within a highly secure defence environment. You'll be responsible for ensuring the reliability, performance and security of enterprise infrastructure whilst providing technical leadership across complex support and improvement activities.

Day-to-day, you'll administer and support Windows-based IT infrastructure and Cisco networks, investigate and resolve complex technical issues, deliver infrastructure upgrades, and act as a subject matter expert for network and workstation technologies. You'll work closely with stakeholders, mentor junior engineers and contribute to the continual improvement of critical IT services.

Your responsibilities will include:

 * Supporting and administering enterprise Windows workstation and network environments
 * Leading the investigation and resolution of complex infrastructure and network incidents
 * Planning and implementing operating system upgrades, software deployments and infrastructure enhancements
 * Configuring and supporting Cisco network technologies across secure environments
 * Maintaining accurate technical documentation, asset records and configuration information
 * Providing technical leadership, mentoring and guidance to junior engineers and support teams


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