Infrastructure Engineer - DV Cleared


Company:	Additional Resources Ltd
Salary:	£70,000 to £80,000 a year
Hours:	Full-time
Location:	London, EC2A 1AE
Working pattern:	On-site
Job type:	Permanent
Posting date:	23 Oct 2026
Closing date:	22 Nov 2026

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Summary

An opportunity has arisen for a

DV Cleared InfrastructureEngineerto join a specialist cyber technology and software assurance company supporting UK Defence and Critical National Infrastructure programmes.

As an

Infrastructure Engineer, you will design, implement, maintain and support IT infrastructure while contributing to project delivery, automation and continuous improvement.

This Full-time role offers salary range of £70,000 - £80,000 and benefits. Occasional travel may be required.

Please only apply if you have current and active DV Security Clearance.

You will be responsible for:

- Design and implement physical and virtual IT infrastructure solutions in line with customer requirements.

- Maintain and support IT infrastructure, troubleshoot faults, monitor system health, and manage backups, patching, vulnerabilities and hardware and software upgrades.

- Create and maintain infrastructure documentation, including major incident records and resolution actions.

- Develop and maintain scripts and automation tools, lead IT project delivery, and ensure compliance with security, privacy and ethical standards.

- Attend UK meetings, events and training activities as required, and perform other duties as required.

What we are looking for:

Essential:

- Previously worked as an Infrastructure Engineer or in a similar role.

- Experience within systems administration and IT infrastructure support.

- A degree in Computer Science, Software Engineering or related discipline, or equivalent practical experience.

- Background leading or taking ownership of IT project delivery.

- Strong knowledge of networking technologies and equipment, including Cisco, Juniper, HP and Dell.

- Good understanding of TCP/IP, DNS, DHCP and related networking protocols.

- Familiarity with virtualisation technologies such as VMware and Hyper-V.

- Practical knowledge of Ansible/AWX, Python, PowerShell and BASH for scripting or infrastructure automation.

- Experience managing and supporting Microsoft and Linux environments.

- Knowledge of backup technologies, including NetBackup and Veeam.

Desirable:

- Background working in an Agile team.

- Understanding and use of Source Control (Gitlab, BitBucket).

Thecandidatesfromthefollowingbackgroundwillbeconsidered:

- Infrastructure Engineer, IT Infrastructure Engineer, Infrastructure Support Engineer, DV Cleared Infrastructure Engineer, Infrastructure Specialist, Systems Engineer, Systems Administrator, Network Engineer, Network Infrastructure Engineer, Server Engineer, Platform Engineer or in a similar role.

What's on offer:

- Competitive Salary

- 25 days of annual leave plus bank holidays

- AXA Healthcare cover

- Access to a Cycle to Work scheme

- Company EV Car Scheme

- Company pension contributions

- Dedicated training package and budget, with opportunities for career development and progression

Apply today to advance your career as an Infrastructure Engineer in a technically challenging role.

Important Information: We endeavour to process your personal data in a fair and transparent manner. In applying for this role, Additional Resources will be acting in your best interest and may contact you in relation to the role, either by email, phone or text message. For more information see our Privacy Policy on our website. It is important you are aware of your individual rights and the provisions the company has put in place to protect your data. If you would like further information on the policy or GDPR please contact us.

Additional Resources Ltd is an Employment Business and an Employment Agency as defined within The Conduct of Employment Agencies & Employment Businesses Regulations 2003.

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