4 of 4 Contract Security Hardening Jobs in the UK excluding London

Senior Infrastructure Engineer – Linux, Windows, VMware | Security & Patching Focus Location: Leeds (hybrid - 3 days per week onsite in Leeds) Rate: £350-£400 per day outside IR35 Start Date: Immediate Duration: 6 months (with potential extension) We're looking for a hands-on Senior Infrastructure Engineer with deep experience across Linux, Windows Server, and VMware to join a forward-thinking … engineering team tackling some of the most critical challenges in enterprise IT: security, patching, and technical debt . This isn't just another BAU role. You'll be instrumental in modernising legacy systems , automating patching pipelines , and hardening infrastructure to meet evolving compliance and security standards. What You'll Be Doing Leading patching and remediation efforts across … mixed OS environments. Identifying and resolving technical debt in legacy infrastructure. Supporting secure builds and configuration baselines for Windows and Linux platforms. Collaborating with platform and security teams to improve automation and compliance. Working with VMware environments (vSphere, ESXi) to optimise performance and reliability. Producing clear documentation and contributing to continuous improvement initiatives. What We're Looking For Proven More ❯

for a UK-based organisation. The role is mostly remote, with the occasional visit to the West London Office. This position is only open to candidates with active UK Security Clearance (SC) who are currently based in the UK. What youll be doing Running and maintaining Linux environments (Ubuntu, Red Hat or similar) Supporting automation/DevOps initiatives where … relevant Keeping systems secure, patched, and running smoothly Investigating and resolving technical issues quickly Making sure systems meet compliance and security standards What we need from you SC Clearance (essential) Strong Linux administration background Comfortable with firewalls, networking, and security hardening Scripting and monitoring tool experience Someone proactive who can work well independently and communicate clearly Additional More ❯

and enabling the migration or rollout of Windows 11 environments. The ideal candidate is comfortable in a complex, high-availability environment and has experience with modern infrastructure tooling and security practices. Key Responsibilities Manage infrastructure incidents and service requests under SLA Monitoring metrics, logs, and alerts to proactively detect and remediate issues Lead or support Windows 11 deployment projects … and infrastructure provisioning (Infrastructure as Code) Work with virtualisation (VMware/vSphere, etc.) Configure/manage SAN/storage, Fibre Channel, zoning, LUN provisioning Participate in vulnerability assessments, patches, security hardening, and incident response Required Skills & Experience NPPV3 clearance, either current or active within the last 12 months (non-negotiable) Strong track record with Windows 11 deployment (imaging More ❯

Vulnerability Analyst – 6 Months – Remote - Qualys A client is seeking a Vulnerability analyst/Patching Engineer to help tackle a critical security backlog across 2,700 devices. This is a hands-on contract role focused on patching end users and security remediation to ensure systems are up to date and secure. Key Skills of the Vulnerability Analyst: Strong … experience in vulnerability management and patching within enterprise environments. Hands-on experience with Qualys for vulnerability scanning and reporting. Solid Windows 10/11 expertise with a focus on security hardening and patching. Proficient with SCCM is beneficial but not necessary. Excellent documentation skills. Strong verbal and written communication skills. Responsibilities of the Vulnerability Analyst: Manage and remediate … Security vulnerabilities across windows devices. Working with Qualys to review alerts, own remediation plans and ensure security best practices. Deliver end to end patching for end user devices. Support and transfer knowledge of Qualys alerts and patching workflows. Ensure all systems run on the latest and most secure versions. The successful Vulnerability t Analyst will be working remotely More ❯