1 to 25 of 28 Security Hardening Jobs in England

Senior Cyber Security Engineer Reading/Hybrid (one day per week in the office) Salary: £65,000-£75,000 We are working with a leading UK pensions and insurance consulting and administration business. A FTSE 250 company, our client works with over 1,400 pension schemes, administers over … million member accounts, and supports insurance companies in the life and bulk annuities sector. ABOUT THE ROLE You will join an expanding cyber security team working alongside internal engineers, security operations analysts, and an external 24/7 SOC. Reporting to the Cyber Security Engineering Manager ...

Security - Active Directory Consultant Core Skills Expert-level understanding of AD authentication protocols , including Kerberos, NTLM/NTLMv2, and LDAP/LDAPS. Demonstrated ability to reduce legacy or insecure authentication mechanisms (NTLM, simple/unsigned LDAP binds) across large, diverse application estates. Hands-on experience with LDAP security hardening, such as enforcing LDAP Signing and Channel Binding, and migrating workloads to LDAPS or other secure bind methods. Strong troubleshooting capabilities across Windows authentication flows, including SPNs, ticketing, delegation, and common authentication failure patterns—with the ability to provide clear, actionable remediation guidance. Proven cross-functional collaboration ...

Design, provision, and manage Linux systems (Red Hat preferred) within virtual infrastructures p]:pt-0 [&>p]:mb-2 [&>p]:my-0'> Apply security hardening to CIS/NIST standards, deploy patches via Satellite Server, and use security scanning for threat remediation … containerised applications and Linux OS versions p]:pt-0 [&>p]:mb-2 [&>p]:my-0'> Deploy, configure, and integrate vendor monitoring tools with OS, security, AD, and backup platforms p]:pt-0 [&>p]:mb-2 [&>p]:my-0'> Build and support network and infrastructure monitoring tools, leveraging SNMP, Syslog ...

inside IR35 Role purpose/summary The SI Unix Engineer is a senior Unix/Linux infrastructure specialist with a strong focus on platform security, compliance, and stability within highly regulated enterprise environments. The role supports critical Unix/Linux platforms, including Legacy and modern systems, and plays … part in data centre optimisation, migration, and security hardening initiatives. This position requires deep hands-on Unix/Linux expertise combined with strong security awareness, operational discipline, and the ability to communicate effectively with global stakeholders. Key Responsibilities Provide L2/L3 support for Unix/Linux ...

Type: Contract - 6 months Company Introduction We are looking for a senior Unix/Linux infrastructure specialist with a strong focus on platform security, compliance, and stability within highly regulated enterprise environments. The role supports critical Unix/Linux platforms, including Legacy and modern systems, and plays … part in data centre optimisation, migration, and security hardening initiatives. This position requires deep hands on Unix/Linux expertise combined with strong security awareness, operational discipline, and the ability to communicate effectively with global stakeholders. Job Responsibilities/Objectives Provide L2/L3 support for Unix ...

Excellent Performance Tuning skills, in-depth knowledge of system internals, performance counters and performance measurement and analysis tools.* Ability to interpret and implement CIS security hardening recommendations in a controlled manner* Acute awareness of Security and Auditing requirements in a regulated environment* “Infrastructure as Code” Principles … RHEL, Oracle Linux, Oracle Solaris and related technologies* Cloud computing - IaaS, PaaS and SaaS offerings across Azure, AWS, GCP and Oracle* Knowledge of data security governance and regulations such as GDPR and SOX**Desirable:*** Dell EMC PowerStore (SAN) and Isilon (NAS)* Rubrik, EMC Networker, Data Domain and IBM Tivoli ...

looking for a hands-on VMware Engineer to support a focused security remediation programme across a complex enterprise estate. This is a delivery-focused role - not BAU support. The objective is to identify, remediate, and reduce vulnerability exposure across a VMware platform spanning both Linux and Windows environments . … triaging vulnerability scan results (Tenable/Qualys/etc.) Remediating vulnerabilities across VMware ESXi, vCenter, Linux and Windows systems Executing patching, upgrades, and security hardening Applying fixes via command line/scripting (Linux & Windows) Reducing risk exposure within defined SLA windows Working across infrastructure, security, and application ...

specific customer projects. Traffic Forwarding: Ensure optimal performance and data integrity for high-availability, scalable systems used for critical live content broadcasting. Network Security & Maintenance Infrastructure Security: Take ownership of network security, implementing best practices for access control and protection across the entire ecosystem. Firmware & Lifecycle Management … Manage and execute regular firmware upgrades, patching, and maintenance across all network hardware to ensure stability and mitigate vulnerabilities. System Hardening: Implement network-level security hardening to protect mission-critical transmission paths. NetOps & Monitoring Refinement Internal Tooling: Build and refine monitoring techniques where the primary "customers ...

manner - Your own car and a clean driving licence would be advantageous (costs will be reimbursed) - Degree-level or higher qualification in BSc Cyber Security, BSc Computer Science, BSc Software Engineering, BSc Mathematics, MSc Cyber Security is desirable - Any relevant industry certifications Must be able to demonstrate some … ideally up to Windows Server 2025 and certainly Windows 11, including Active Directory and DNS - Understanding of network topologies including wired/wireless, switching, security and VLANs. - Implementation of networking upgrades desirable - Experience of basic security hardening and penetration testing would be advantageous - Experience of conducting audits ...

.ArcGIS Enterprise Automation Automate installation, postinstall configuration, federation, and validation of ArcGIS Enterprise components. Build automated workflows for ArcGIS Portal initialization, content management, and security setup. Integrate automation with enterprise systems such as load balancers, certificates, storage, and identity providers.VMSS Automation Design and implement automation workflows for ArcGIS Enterprise … Ansible, Chef, Puppet, or similar. Knowledge of CI/CD pipelines and Git-based workflows. Scripting experience in Python for ArcGIS automation. Understanding of security hardening and enterprise IT best practices.Employment Details Job Type: Contractor Experience Level: 10+ Department: GIS/Automation/DevOps JBRP1_UKTJ ...

ArcGIS Enterprise Automation Automate installation, postinstall configuration, federation, and validation of ArcGIS Enterprise components. Build automated workflows for ArcGIS Portal initialization, content management, and security setup. Integrate automation with enterprise systems such as load balancers, certificates, storage, and identity providers. VMSS Automation Design and implement automation workflows for ArcGIS … Ansible, Chef, Puppet, or similar. Knowledge of CI/CD pipelines and Git-based workflows. Scripting experience in Python for ArcGIS automation. Understanding of security hardening and enterprise IT best practices. Employment Details Job Type: Contractor Experience Level: 10+ Department: GIS/Automation/DevOps ...

platform components. Assist with onboarding new cloud environments and subscriptions/accounts. Documentation & Collaboration Maintain engineering documentation, runbooks, and platform patterns. Collaborate with Security, FinOps, and Platform Services teams to embed operational and governance controls. BAU vs Project Responsibilities BAU Maintain landing zones, IAM integrations, networking, and IaC pipelines. … configuration management. Project/Change Implement new platform capabilities and architectural enhancements. Improve automation, self-service, and developer experience. Refactor platform components to improve security, scalability, and reliability. Qualifications Intermediate or advanced cloud certifications in AWS, Azure, or OCI (above Fundamentals level). Eligible for UK Security Clearance ...

lead a focused vulnerability remediation programme across a complex on-prem estate. This is not BAU support. This is about clearing a vulnerability backlog, hardening the platform, and materially reducing security risk . You'll take ownership of identifying, assessing, and remediating critical vulnerabilities across vSphere, ESXi … vCenter , driving patching, upgrades, and configuration hardening through to completion. Key Focus: Validate and triage vulnerability scan findings Execute ESXi patching and vCenter upgrades Apply security hardening across hosts and clusters Reduce critical and high-risk exposure within SLA Drive remediation activity across infrastructure and security ...

lead a focused vulnerability remediation programme across a complex on-prem estate. This is not BAU support. This is about clearing a vulnerability backlog, hardening the platform, and materially reducing security risk . You'll take ownership of identifying, assessing, and remediating critical vulnerabilities across vSphere, ESXi … vCenter , driving patching, upgrades, and configuration hardening through to completion. Key Focus: Validate and triage vulnerability scan findings Execute ESXi patching and vCenter upgrades Apply security hardening across hosts and clusters Reduce critical and high-risk exposure within SLA Drive remediation activity across infrastructure and security ...

ensure high availability and scalability of applications. Build secure, reliable, and cost-optimized cloud environments. Troubleshoot issues across environments and maintain compliance with security best practices. Drive automation and infrastructure-as-code adoption for faster and more efficient delivery. Your Profile Essential skills/knowledge/experience: Strong experience … knowledge/experience: Familiarity with working on Harness platform Knowledge of Agile/Scrum methodologies Familiarity with Pub/Sub, and Dataflow Experience with security hardening and IAM policies Exposure to cost optimization and billing management Rewards & Benefits TCS is consistently voted a Top Employer ...

issues involving Windows Server, Virtualisation, Networking, and Cloud Project Engineering: Lead the end-to-end delivery of infrastructure projects (e.g., server migrations, cloud transitions, security hardening, and site decommissions). Technical Account Management: Build strong relationships with internal or external clients ensuring their technical roadmap aligns with business …/Exchange Online. Virtualisation: Advanced experience with VMware vSphere or Microsoft Hyper-V. Cloud: Proven experience in Azure or AWS (migrations, environment builds, and security). Networking: Strong understanding of wired networking, experience with firewalls (Sophos/Fortinet/Cisco), and VPNs. Wireless Networking: Experience with planning, deployment ...

team members Essential Skills: Experience with Enterprise Jenkins to create reusable pipelines across projects Understanding of the Linux Operating System, standard network protocols and security hardening. Proven experience using AWS Cloud Solutions and services such as Ec2, S3, Lambda, EKS, API Gateway, ALB, API Gateway, Autoscaling etc In-depth ...

Summary: 25 Days Holiday (+Bank Holidays), Company EV Car Scheme, AXA Healthcare, Company Pension, and a dedicated Training Budget. Location: Cheltenham (Flexible working available) Security Clearance: Active DV Clearance required About the client: Our client is a powerhouse of technical innovation, operating at the sharp end of complex systems … firm that is small enough to remain agile and personal, yet sophisticated enough to lead multi-million-pound technical roadmaps in the defence and security sectors, this is the place to be. About the job: As an IT Infrastructure Specialist, you will be the driving force behind the design ...

optimise, and debug complex automation and operational tooling. Extensive hands-on experience engineering, deploying and operating RHEL-based platforms, including provisioning, patching, package management, security hardening, and bare metal deployments. Strong experience with build and CI/CD tooling, with particular emphasis on Git-based version control ...

secure nature of this project, this role requires candidates to either already hold, or be eligible to obtain, a high level of UK Security Clearance. To meet the eligibility criteria for this clearance, applicants must be sole British nationals, have been resident in the UK for the past … nature of the work and the systems involved. While the position is predominantly site-based, there may be occasional flexibility where business needs and security constraints allow. Any such arrangements would be agreed in advance with the project team. Your future duties and responsibilities In this role, you will ...

Services or container based platforms. Proficiency working with Azure DevOps pipelines, automated deployments and integration with IaC workflows. Understanding of Azure governance and security controls, including Azure Policy, RBAC, Defender for Cloud, and Sentinel analytics. Ability to produce clear and maintainable technical documentation, runbooks, and architecture diagrams. What … responsibility for end-user device management. You will manage core Azure networking components and firewalls and optimise Azure Virtual Machines including configuration, patching, security hardening and performance tuning. There are plenty of cloud projects where they will look to you to recommend appropriate platform choices and support modernisation ...

VMware expertise and an active MOD DV clearance . You will be responsible for maintaining and optimising virtual infrastructure, ensuring high availability, performance, and security across critical systems. Key Responsibilities Administer and manage VMware vSphere environments, including ESXi hosts, vCenter, clusters, and resource pools Design, deploy, and support vSAN … issues Analyse logs and tune workloads Implement and support backup and disaster recovery solutions: Tools such as Veeam, SRM, or Zerto Apply security hardening practices: VMware baselines Role-based access control Compliance standards Key Skills & Experience Essential: Strong hands-on experience with VMware vSphere (ESXi, vCenter) Proven experience ...

suppliers to align design decisions and delivery. Lead workshops, design reviews, and technical and business stakeholder sessions. Guide teams on HA, DR, failover, security hardening, and performance tuning. Embed resilience into CI/CD pipelines, GitOps workflows, and automated deployments. Continuously improve platform resilience as new features … Lead Architect in large-scale, mission-critical environments. Deep expertise with Red Hat OpenShift and supporting technologies: ACM (Advanced Cluster Management) ACS (Advanced Cluster Security) GitOps OpenShift Pipelines ODF (OpenShift Data Foundation) Service Mesh 3.0 AMQ operators Strong communication and stakeholder leadership skills. Ability to drive strategy while being ...

networking (vSwitches, distributed switches, VLANs, segmentation) * Troubleshoot and resolve host and VM performance issues * Support backup and disaster recovery solutions (Veeam, SRM, Zerto) * Implement security hardening and access controls * Develop automation using PowerCLI scripting Desirable Experience * Exposure to VMware Horizon (VDI) environments * Experience with automated provisioning and templating ...

sponsorship available) About the Company A fast-growing Managed Service Provider based in Hertfordshire, delivering managed IT, cloud, and cyber security solutions to a diverse client base across the UK. Known for technical excellence, a collaborative team culture, and strong client relationships, my client provides clear career progression … tenant migrations and on-prem to cloud transitions. Implement and configure: Azure Virtual Machines Azure AD/Entra ID Microsoft Intune & Endpoint Manager Security and compliance policies Deliver hybrid infrastructure solutions involving Windows Server and Azure integration. Plan and execute server and network upgrades where required. Produce clear technical ...