Infrastructure Support Engineer - DV cleared

Infrastructure Support Engineer - MOD / NATO Systems +6-12 months + +DV cleared +Hybrid Portsmouth +Outside IR35 +£475 - £500 a day The Role An opportunity for an experienced Infrastructure Support Engineer to provide…

Outside IR35 Hybrid Public Sector
Pay rate £475 – £500/day
Contract type Contract
Posted 28 October 2026

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About this contract

Outside IR35 Hybrid working

Infrastructure Support Engineer - MOD / NATO Systems

+6-12 months +

+DV cleared

+Hybrid Portsmouth

+Outside IR35

+£475 - £500 a day

The Role

An opportunity for an experienced Infrastructure Support Engineer to provide advanced technical support across secure MOD and NATO environments. The role involves supporting mission-critical infrastructure, deploying and maintaining virtualised exercise environments, and delivering 3rd/4th line support across Windows-based systems and specialist NATO applications.

You will work closely with military users, technical teams and NATO organisations to maintain system availability, resolve complex incidents and support interoperability exercises.

Key Responsibilities

Build, configure, deploy and administer virtualised infrastructure using VMware, vCenter and Hyper-V.
Provide 3rd/4th line troubleshooting and fault resolution across Windows Server, Active Directory, Exchange, SharePoint and Skype for Business.
Install, configure, patch and maintain NATO Functional Area Services (FAS) applications across OpNET Red and Blue environments.
Support applications including ICC, NIRIS, Openfire, TOPFAS, LOGFAS, JTS, JOCWatch, ArcGIS, SitaWare and iGeoSIT.
Monitor remote infrastructure nodes, perform system recovery and rebuilds, and implement approved changes.
Support MOD and NATO exercises, including interoperability testing and knowledge transfer to deployed military personnel.
Liaise with resolver groups, military teams and NATO organisations to investigate and resolve technical issues.
Develop and maintain standard operating procedures (SOPs), installation guides, knowledge-base articles and CMDB records.
Contribute to incident management, service improvement and operational support processes.Essential Skills & Experience

Experience providing 3rd/4th line infrastructure and application support in secure MOD, Defence or NATO environments.
Strong technical knowledge of VMware, vCenter, Hyper-V and virtualised infrastructure.
Experience supporting Windows Server, Active Directory, Exchange and enterprise applications.
Experience installing, configuring and maintaining infrastructure and applications across complex environments.
Strong troubleshooting, incident management and system recovery skills.
Ability to produce technical documentation and work effectively with military users and technical stakeholders.Desirable Experience

Experience supporting NATO Functional Area Services (FAS) and OpNET environments.
Knowledge of applications such as TOPFAS, LOGFAS, ICC, NIRIS, JTS, SitaWare or ArcGIS.
Experience supporting NATO exercises, interoperability testing and deployed military teams.
Familiarity with secure networks, change management, CMDB maintenance and service management processes.

If you'd like to discuss this Infrastructure Support Engineer - MOD / NATO Systems in more detail, please send your updated CV to (url removed) and I will get in touch

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