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# Infrastructure Engineer - Outside IR35

- **Company:** JLA Resourcing Ltd
- **Location:** Portsmouth, UK
- **Salary:** £130,000.0 - £136,500.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Active Directory, Ubuntu (Operating System), Linux, Monitoring of Systems, Hyper-V, Windows Servers, Zero Trust Network Access, Security Information and Event Management, Virtualization Technology, Software Vulnerability Management, Data Logging, Build Management, Splunk
- **Published:** October 6, 2026
- **Apply:** https://www.totaljobs.com/job/infrastructure-engineer/jla-resourcing-ltd-job108082691

## About the Role

You will be a self-starting Infrastructure Engineer who is comfortable working within greenfield, secure environments.
You should have:

 * Strong Windows infrastructure engineering experience.
 * Windows Server, Active Directory and Group Policy experience.
 * Microsoft virtualisation experience, ideally Hyper-V.
 * Working knowledge of Linux/Ubuntu.
 * Experience building infrastructure environments from the ground up.
 * Strong security hardening experience.
 * Knowledge of SIEM, logging, monitoring and observability; Splunk would be beneficial.
 * Experience with vulnerability management and security configuration/compliance.
 * An understanding of networking and firewall technologies.
 * Previous experience within Defence, Government or another secure environment.
 * The ability to work autonomously and turn requirements into practical technical solutions.

## Description

This is a hands-on design and build role rather than BAU support. You will work across Windows infrastructure, Linux, virtualisation and security, helping establish a secure environment incorporating hardening, monitoring, logging and Zero Trust principles and Secure by Design practices., Working within a multidisciplinary engineering team, you will:

 * Design and build secure infrastructure within a greenfield environment.
 * Work across Windows Server 2022/2025, Active Directory, Group Policy and Windows 11, alongside some Linux/Ubuntu.
 * Configure and harden Microsoft infrastructure and virtualisation solutions, including Hyper-V.
 * Implement infrastructure security controls and Secure by Design principles.
 * Work with networking and security components, including firewalls, identity and access controls.
 * Support SIEM, centralised logging, monitoring and observability, potentially including Splunk.
 * Support vulnerability management, remediation and technical assurance.
 * Produce technical designs, build documentation and configuration baselines.
 * Investigate technologies and environments, taking solutions from initial requirements through to implementation.