16 of 16 Permanent Security Hardening Jobs in the UK

Senior Security Analyst

Hiring Organisation
Arthur
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
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 ...

Security Architect

Hiring Organisation
Comtecs
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
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 Specialist

Hiring Organisation
Stott and May Consulting
Location
England, United Kingdom
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 ...

Linux Systems Admin (RedHat) - DV Cleared

Hiring Organisation
Oscar Associates (UK) Limited
Location
Watford, Hertfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£75,000
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 ...

AD Engineer JD L2

Hiring Organisation
Stackstudio Digital Ltd
Location
United Kingdom
Employment Type
Permanent
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 ...

PowerShell DSC Engineer ArcGIS Enterprise Automation

Hiring Organisation
StackStudio Digital Ltd
Location
Reading, Berkshire, UK
.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 ...

PowerShell DSC Engineer ArcGIS Enterprise Automation

Hiring Organisation
StackStudio Digital Ltd
Location
Wokingham, Berkshire, UK
Employment Type
Full-time
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 ...

Cloud Platform Engineer

Hiring Organisation
NEC Software Solutions
Location
Hartlepool, England, United Kingdom
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 ...

Technical Team Lead IT Infrastructure

Hiring Organisation
entrust IT
Location
Bedford, Bedfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£50,000
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 ...

DevOps Engineer

Hiring Organisation
Mastek
Location
Reading, England, United Kingdom
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 ...

IT Infrastructure Specialist - DV Cleared

Hiring Organisation
Searchability NS&D
Location
Watford, England, United Kingdom
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 ...

Azure Cloud Engineer

Hiring Organisation
ADLIB
Location
Bristol, Avon, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
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 ...

Linux Systems Administrator

Hiring Organisation
REC SOLUTIONS LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
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 ...

Senior Network Engineer

Hiring Organisation
Couch Heroes
Location
United Kingdom
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 ...

Service Desk SME

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£40000/annum
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 ...

IT Support Technician

Hiring Organisation
Reed
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £32,000 per annum, Inc benefits
role involves owning incidents and service requests across a variety of platforms including the Microsoft 365 stack, Windows endpoints/servers, networks, backup/security platforms, and common line-of-business apps. You will work closely with the Service Desk, Deployment, and IT Management teams to maintain healthy … Entra ID): Manage Exchange Online, SharePoint/OneDrive, Teams, and conditional access/MFA policies. Perform basic Azure AD administration, identity hygiene, and security hardening. Network Administration: Troubleshoot issues related to firewall, switching, Wi-Fi, VLANs, VPN, and SD-WAN (Watchguard/Aruba experience beneficial). Security & Backup ...