14 of 14 Security Hardening Jobs in the UK

Role: Senior Cyber Security Engineer (Cyber SME) Salary: Up to £70,000 Location: Reading/Birmingham - Hybrid (1 day/week in office) Be the Cyber Security Subject Matter Expert protecting the backbone of our business.Are you a highly skilled cyber security professional ready to take ownership of security engineering and infrastructure hardening? We're … looking for a Senior Cyber Security Engineer to join our team and act as the go-to expert for all things security.Reporting to the head of security, you'll play a critical role in protecting our infrastructure, networks, and data, while guiding teams across the business with your deep technical expertise. What You'll Do Serve as the … Cyber Security Subject Matter Expert, advising on secure systems design, change control, and implementation of robust security controls. Lead the technical vulnerability management programme, with a strong focus on application security, web application firewalls, and secure DevOps pipelines. Provide security leadership and mentoring , supporting colleagues and enhancing security awareness across the business. Actively contribute to More ❯

skilled Linux Systems Administrator to strengthen our IT team. About the Role You’ll manage and optimise Linux systems (Red Hat/CentOS), support Windows environments, and ensure infrastructure security and compliance (PCI DSS). This role involves working across hybrid cloud setups, particularly AWS, and collaborating with cross-functional teams to maintain scalable, high-performance systems. Key Responsibilities … Install, configure, and maintain Linux servers (physical/virtual) Support Windows workstations Monitor system performance and security Troubleshoot networking issues (TCP/IP) Manage user access and permissions Apply security patches and updates Support AWS infrastructure (EC2, S3, IAM, VPC) Implement backup and disaster recovery Maintain documentation and asset inventories Ensure PCI DSS compliance and assist with incident … response Collaborate with development, security, and operations teams Drive automation and process improvements Qualifications & Experience Degree in Computer Science, IT, or equivalent experience 3–5 years of Linux administration (Red Hat/CentOS) Windows environment experience Networking knowledge (CCNA level or equivalent) AWS familiarity Understanding of PCI DSS and secure practices Scripting and automation skills (Bash, Python, Ansible) Strong More ❯

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 ❯

.NET, RabbitMQ, WebAPI, WCF, MySQL, and MongoDB, while deploying infrastructure using IaC and Kubernetes. This is a collaborative, high-impact role where you'll work closely with Engineering, Architecture, Security, and DevOps teams. You'll help shape reusable platform stacks, streamline deployment processes, and champion DevOps culture and cloud-native best practices. What You'll Be Doing: Architect and … platform stacks across Kubernetes, Docker, and VMs Integrate CI/CD pipelines and GitOps workflows for seamless delivery Drive automation and reduce complexity across internal tooling Support cloud governance, security hardening, and operational readiness Create and maintain SOPs for internal and external delivery teams Troubleshoot across cloud, infra, and application layers What You'll Bring: Strong experience in … and Docker in production Solid AWS knowledge (EC2, S3, IAM, VPCs, networking) Bonus: Familiarity with VMware stack (vSphere, NSX, VCF) Excellent scripting and automation skills Strong understanding of cloud security and compliance Great communicator and team player in fast-paced environments Why Join? Salary up to £75,000 + bonus Hybrid working (2 days/week in Manchester Tech 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 ❯

Grafana, ELK, Datadog, with strong alerting/SLO design. AWS – expertise across EC2, VPC, S3, RDS, IAM, ALB/NLB, and cost optimisation. Linux – advanced administration, performance debugging, and security hardening. CI/CD & Automation – Jenkins, GitLab CI, or GitHub Actions, plus containerisation (Docker/Kubernetes) and GitOps practices. If this sounds of interest, please apply to hear more 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 ❯

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 ❯

system. TCP/IP and IP network protocols Microsoft System Center Configuration Management (SCCM ) Common Vulnerability Scoring System (CVSS) scores, patching OS and how update to Group Policy affecting security stance (STIG, etc) Awarness of setting up standard software development tools e.g. JIRA, Jenkins, Git etc Knowledge of high integrity coding best practices (unit testing, static analysis, MISRA,JSF++ … for continuous improvement and build continuous integration, continuous development pipeline (CI/CD Pipeline) Awareness of MS Windows platform Awareness of automated testing Awareness of certificate chain process and security policies Awareness of reqts management in DOORs (or Polarion) Experience of working in a CI/Cd environment Experience Experience of DevOps Experience in Security hardening of More ❯

system. TCP/IP and IP network protocols Microsoft System Center Configuration Management (SCCM ) Common Vulnerability Scoring System (CVSS) scores, patching OS and how update to Group Policy affecting security stance (STIG, etc) Awarness of setting up standard software development tools e.g. JIRA, Jenkins, Git etc Knowledge of high integrity coding best practices (unit testing, static analysis, MISRA,JSF++ … for continuous improvement and build continuous integration, continuous development pipeline (CI/CD Pipeline) Awareness of MS Windows platform Awareness of automated testing Awareness of certificate chain process and security policies Awareness of reqts management in DOORs (or Polarion) Experience of working in a CI/Cd environment Experience Experience of DevOps Experience in Security hardening of More ❯

system. TCP/IP and IP network protocols Microsoft System Center Configuration Management (SCCM ) Common Vulnerability Scoring System (CVSS) scores, patching OS and how update to Group Policy affecting security stance (STIG, etc) Awarness of setting up standard software development tools e.g. JIRA, Jenkins, Git etc Knowledge of high integrity coding best practices (unit testing, static analysis, MISRA,JSF++ … for continuous improvement and build continuous integration, continuous development pipeline (CI/CD Pipeline) Awareness of MS Windows platform Awareness of automated testing Awareness of certificate chain process and security policies Awareness of reqts management in DOORs (or Polarion) Experience of working in a CI/Cd environment Experience Experience of DevOps Experience in Security hardening of More ❯

end-to-end, while also supporting the wider infrastructure environment when required. What youll be doing as an Azure Infrastructure Project Engineer: Leading implementation projects such as: Microsoft 365 security hardening Defender onboarding, Intune/conditional access, BitLocker, encryption, phishing simulations Azure migrations deploying new Azure VMs, Domain Controllers, SQL servers, configuring Azure Virtual Desktop (AVD) with FSLogix … and infrastructure projects rather than just BAU support Accredited IT services provider: ISO27001, Cyber Essentials Plus, Microsoft Partner Direct exposure to projects such as Azure Virtual Desktop, Microsoft 365 security, and Teams telephony Career progression into senior technical or project delivery roles as the company continues to grow Hybrid flexibility typically one day per week on site , but for 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 ❯

Cyber Security Project Manager Contract Duration: 6 Months, Initially Location: Sheffield (Hybrid - 3 days in-office) Job Type: Contract, inside IR35 We are seeking a highly capable Cyber Security Project Manager to lead governance and orchestration across our client's strategic Active Directory (AD) Resiliency Programme. This programme includes nine critical workstreams aimed at strengthening infrastructure, access controls … day of the role: Lead end-to-end project management across multiple AD resiliency workstreams, including Conditional Access Policy remediation, decommissioning of remote domain controllers, and infrastructure upgrades and security hardening. Establish and maintain strong governance frameworks to ensure alignment, accountability, and timely delivery. Orchestrate cross-functional teams including infrastructure, cyber security, and architecture. Track dependencies, risks, and … milestones across all streams, ensuring proactive issue resolution. Provide clear reporting and stakeholder updates to senior leadership. Drive continuous improvement and ensure compliance with the company's security standards and regulatory obligations. Required Skills & Qualifications: Proven experience delivering complex cyber security or infrastructure programmes in large enterprise environments. Understanding of Active Directory, identity and access management, and enterprise More ❯