1 to 25 of 26 Security Hardening Jobs in the UK

Senior Security Analyst/Security Engineer London (City) | £80,000–£90,000 | Permanent If you’re the kind of security engineer who can spot an active threat, contain it calmly, and then harden the environment so it doesn’t happen again — this role is built for you.We … hiring a hands-on Senior Security Analyst/Security Engineer to strengthen a Microsoft-centric security posture across detection, response, tooling, and infrastructure hardening. Not a one-lane SOC role. Not governance-heavy. This role blends incident response with security engineering and hardening and ideal ...

Infrastructure Security Architect Infrastructure Security, Business Continuity, Disaster Recovery, IT Security, Wintel/Azure Server Security, Operational Resilience Testing.Permanent, London, (Hybrid 3/2), £85k - £95k +Bonus +Benefits Infrastructure Security Architect required to focus on operational resilience testing and remediation ork within the disaster recovery … backup and restore and broader business continuity context surrounding Wintel/Azure infrastructure environments.Some of this work will include security hardening work in both pre-emptive and reactive capacity as part of a wider Wintel Engineering team. Working collaboratively with both BAU and Project teams your project work ...

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 ...

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 … patterns-with the ability to provide clear, actionable remediation guidance. * Proven cross-functional collaboration skills, driving alignment and change across application teams, infrastructure, and security stakeholders. * Familiarity with relevant logging and diagnostic tools, such as Windows Security logs, AD diagnostics, and identity telemetry from Entra/Defender (where ...

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 ...

scalable, and resilient identity infrastructure supporting authentication, authorization, and secure access across premises and cloud environments. The engineer will also work closely with Cyber Security teams to implement compliance controls, enforce security best practices, and maintain alignment with regulatory frameworks such as CIS Controls. The ideal candidate … strong background in directory services engineering, identity lifecycle management, privileged access controls, and security hardening. Key Experience & Skills 5 8 years hands on experience administering Active Directory in enterprise environments. Strong understanding of: AD domain/forest architecture GPO management and troubleshooting DNS/DHCP AD replication, LDAP, Kerberos ...

.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 … Chef, Puppet, or similar. Knowledge of CI/CD pipelines and Git-based workflows. Scripting experience in Python for ArcGIS automation. xkybehq Understanding of security hardening and enterprise IT best practices.Employment Details Job Type: Contractor Experience Level: 10+ Department: GIS/Automation/DevOps ...

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 ...

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 … Chef, Puppet, or similar. Knowledge of CI/CD pipelines and Git-based workflows. Scripting experience in Python for ArcGIS automation. xkybehq Understanding of security hardening and enterprise IT best practices. Employment Details Job Type: Contractor Experience Level: 10 Department: GIS/Automation/DevOps ...

integration of Linux operating systems - Red Hat preferred Provisioning of new systems within virtual environments OS upgrades, patching and lifecycle management via Satellite Server Security hardening to CIS and NIST standards Use of security scanning tools and threat remediation Deployment, configuration and troubleshooting of vendor monitoring tools … Integration with operating systems, container platforms, Active Directory, security tooling and backup solutions Build and deployment of network and infrastructure monitoring tools Strong troubleshooting across OS and IP networking environments Production of High and Low Level Design documentation and build guides Expected Activities Deliver against the project technical roadmap ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

Familiarity with database systems for game state persistence: relational, document, or key-value stores at scale. Experience with anti-cheat systems, exploit detection, or security hardening for multiplayer games. Exposure to large-scale world streaming, spatial partitioning, or interest management systems for persistent online worlds. About ...

Cyber Essentials+ audit. This is a hands-on role where you'll be supporting day-to-day operations while also helping deliver several key security and device management improvements across the business. Key responsibilities will include: Managing day-to-day IT support requests alongside project work, including JIRA ticket … company devices and manually reviewing configurations, carrying out re-enrolment and remediation where required Assisting with application packaging for Intune (100+ applications) Implementing macOS security hardening based on an existing configuration plan Monitoring Intune secure baseline alerts and liaising with users to resolve device issues Staying ...

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 Bin click apply for full job details ...

Python scripts to build a self-healing environment. Infrastructure Lead: Drive high-stakes projects-from OS migrations to VDI (VMware/Citrix) and security hardening. VIP Technical Partner: Provide "white-glove" solutions for executive leadership and sensitive business functions. Identity & Security: Guardian of Azure AD/Entra ...