15 of 15 Permanent Security Hardening Jobs in England

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 ...

Vice President, Platform Engineering - Windows SRE

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Senior Network Engineer, Cingularity

Hiring Organisation
IMG
Location
London Area, United Kingdom
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 ...

Service Desk Analyst

Hiring Organisation
Cooper Golding
Location
Exeter, Devon, United Kingdom
Employment Type
Permanent
Salary
£25000 - £30000/annum
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 ...

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 ...

GCP DevOps Engineer

Hiring Organisation
Tata Consultancy Services
Location
London Area, United Kingdom
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 ...

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 ...

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 ...

Linux System Engineers

Hiring Organisation
CGI
Location
London, UK
Employment Type
Full-time
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 ...

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 ...

Infrastructure Engineer

Hiring Organisation
Set2Recruit
Location
Hertford, England, United Kingdom
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 ...

Professional Services Engineer

Hiring Organisation
Set2Recruit
Location
Hertfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
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 ...