1 to 25 of 46 Security Hardening Jobs in England

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 Architect

Hiring Organisation
Comtecs Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£85,000 - £95,000 per annum
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 ...

Database Security Consultant

Hiring Organisation
Stackstudio Digital Ltd
Location
East London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £600 per day
Role - Database Security Consultant Location -3 days from Canary Wharf office and 2 days from home Contract - Inside IR35 Job Description Key Responsibilities: Security Onboarding & Product Integration: Collaborate closely with Product Team to integrate and onboard product to security controls. Work with CSO to agree compliance … onboarding requirements to CSO controls. Interpret security policies and standards to define appropriate control compliance for new and existing products. Facilitate the implementation of security controls, including but not limited to: certificate management, (automation) access management and Authorisation, data encryption, and secure configuration. Work with engineering teams ...

Database Security Engineer

Hiring Organisation
Hirexa Solutions UK
Location
Canary Wharf, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Responsibilities: Security Onboarding & Product Integration: Collaborate closely with Product Team to integrate and onboard product to security controls. Work with CSO to agree compliance and onboarding requirements to CSO controls. Interpret security policies and standards to define appropriate control compliance for new and existing products. Facilitate … implementation of security controls, including but not limited to: certificate management, (automation) access management and Authorisation, data encryption, and secure configuration. Work with engineering teams to implement and test security controls. Develop and maintain documentation for security onboarding processes and control implementation. Security Control Evidencing & Audit ...

OT Cyber Security Engineer

Hiring Organisation
Morson Edge
Location
Warrington, Cheshire, North West, United Kingdom
Employment Type
Contract
Cyber Security Engineer – Contract (Energy Sector) Rate: Hourly rate + overtime available Contract: Initial 6 months, with strong likelihood of long-term extension (2–3 years) Location: Warrington or Haydock (3–5 days on site) Sector: Energy I'm looking for an OT Cyber Security Engineer to join … working on critical infrastructure projects. This is a hands-on contract role with significant longevity, supporting multiple phases of delivery. Key Responsibilities: Implementing and hardening OT security controls Supporting control system protection, telemetry replacement and SCADA environments Deploying and securing industrial networks. Working closely with automation engineers from ...

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 ...

IAM Engineer

Hiring Organisation
Lorien
Location
City of London, London, United Kingdom
support a major Identity Programme within their Technology Governance & Controls function. This is a hands‐on, technically rich role covering discovery, integration, automation, and security hardening across our identity landscape. You’ll work closely with Delivery Leads, Analysts, Architects, Security, and Platform teams to design, implement … Delivery: Conduct technical discovery and current‐state analysis across identity systems. Validate and execute Proof‐of‐Concepts (POCs) and carry out technical reviews and security hardening assessments. Configure, integrate, and validate Cloud IDaaS platforms. Lead application onboarding and identity integration across SAML, OIDC, OAuth2 and SCIM. Produce high ...

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 ...

Windows Platform Engineer

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £110,000 per annum
investigations post-incident. By collaborating with development teams on testing regimes and release management, you will facilitate service enhancements whilst upholding stringent standards of security and compliance. Your expertise will further be called upon for the preparation of comprehensive documentation, liaison with audit functions, identification of cost efficiencies … disaster recovery planning is crucial.* The ability to optimise network, storage, server, and virtualisation layers for peak performance evidences technical depth.* Experience interpreting CIS security hardening recommendations within regulated environments supports robust compliance measures.* Familiarity with Infrastructure as Code concepts alongside CI/CD pipelines utilising tools such ...

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 ...

Windows Site Reliability Engineer

Hiring Organisation
Intec Select Ltd
Location
London, Aldgate, United Kingdom
Employment Type
Permanent
Salary
£100000 - £110000/annum
remediate technical debt Partner with development teams to improve testing, releases, and deployments Shape cloud and hybrid migration strategies Ensure regulatory, audit, and security compliance Act as senior escalation point for high-severity incidents Identify cost and efficiency improvements; deputise for senior leadership Skills and Experience: Deep expertise … development capability (PowerShell, Python, C#) Clustering, high-availability, replication, and disaster recovery expertise Experience with Git, Terraform, Ansible, Jenkins, and TeamCity Strong understanding of security hardening (CIS) within regulated environments Deep knowledge of performance monitoring, system internals, and optimisation techniques Experience working within financial services or other regulated ...

Oracle Database Administrator

Hiring Organisation
Stott and May
Location
Wokingham, England, United Kingdom
Oracle DBA with SQL Experience (Active SC Cleared) Location: Wokingham (Hybrid – 3 days onsite mandatory) Contract Duration: 6 months Day Rate: £425 (Inside IR35) Security Clearance: Active SC Clearance required Overview We are seeking an experienced Oracle DBA with strong SQL Server expertise to support critical production database environments. … successful candidate will play a key role in ensuring the stability, performance, security and resilience of enterprise database platforms across Oracle and Microsoft SQL Server technologies. The Oracle DBA will be responsible for the installation, configuration, maintenance and optimisation of database systems. You will work closely with application development ...

DevOps Engineer

Hiring Organisation
IO Associates
Location
London, United Kingdom
Employment Type
Permanent
Salary
£70,000
evolution of CI/CD pipelines Improving automation, monitoring, patching and performance optimisation Managing hosting environments, DNS, SSL and multi-site platforms Strengthening security, backup and disaster recovery practices Collaborating closely with Developers, Architects, PMs and 3rd-party hosting providers What We're Looking For: Strong experience … Hands-on experience with Azure, AWS, GCP or private cloud platforms Strong understanding of CI/CD pipelines and deployment automation Experience with patching, security hardening, backups and disaster recovery Scripting skills (PowerShell, Bash, Python or similar) Experience implementing monitoring, logging and alerting solutions Confident communicator who enjoys ...

Linux System Administrator

Hiring Organisation
Gleeson Recruitment Group
Location
West Midlands, United Kingdom
Employment Type
Permanent
Responsibilities BAU & Operational Support * Administer, monitor, and maintain circa 100 Linux servers across production and non-production environments * Perform system patching, upgrades and security hardening * Manage user access, permissions and authentication services * Troubleshoot performance issues, outages and system alerts * Maintain high availability, reliability and up time standards * Manage … efficiency, performance and cost optimisation Documentation & Governance * Maintain clear technical documentation and runbooks * Follow change management and incident management processes * Work collaboratively with network, security and application teams Required Skills & Experience * Strong hands-on experience administering Linux environments (e.g., Ubuntu, CentOS, Red Hat, Debian or similar) * Solid understanding ...

Linux Infrastructure Engineer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600 per day
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 ...

Vulnerability Analyst

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
partnering with a Financial Services organisation to recruit a Vulnerability Analyst on an initial 12-month contract. This role sits within a growing security function focused on strengthening vulnerability management practices, improving remediation workflows, and enhancing the organisation's overall security posture. The successful candidate will play … vulnerabilities across the business, while working closely with both technical and non-technical stakeholders. Responsibilities: Conduct threat and vulnerability assessments to identify potential security risks across systems and infrastructure. Perform vulnerability scanning and validate identified weaknesses and remediation activities. Analyse, triage, and prioritise vulnerabilities based on risk, business impact ...

VMWare Engineer Remediation/Server Hardening

Hiring Organisation
Henderson Scott
Location
North West, United Kingdom
Employment Type
Contract
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 ...

Citrix Engineer

Hiring Organisation
DXC
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Permanent
Citrix Workspace Environment Management (WEM) and FSLogix. Monitor and troubleshoot Citrix infrastructure using Citrix Director, Citrix Studio, and other diagnostic tools. Implement and maintain security controls, including MFA, SSL certificates, and access policies. Collaborate with infrastructure teams (network, storage, cloud, and security) to ensure seamless integration and performance. … . Experience with Microsoft Endpoint Manager (Intune), Azure, and M365 integration. Knowledge of VDI performance monitoring and capacity planning tools. Exposure to Zero Trust, security hardening, and multi-factor authentication in Citrix environments. Familiarity with ITIL processes and change management practices. About you: UK national Location - Flexible, with ...

Technical Team Lead IT Infrastrcture

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 ...

Technical Team Lead IT Infrastructure

Hiring Organisation
entrust IT
Location
Bedford, Bedfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£37,000 - £45,000 per annum
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 ...

VMWare Engineer

Hiring Organisation
Henderson Scott
Location
North West, United Kingdom
Employment Type
Contract
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 ...

SQL Server Architect - SC Cleared

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£590 - £605/day
CloudFormation). Design and validate Always On patterns, listener routing, quorum/witness. Collaborate with the Infrastructure Architect to ensure network/IAM/security fit. Produce documentation, runbooks, and handover materials for operations. Skills & Experience Essential 10+ years with Microsoft SQL Server (2016+) architecture and operations. Proven delivery … workloads (EC2, EBS, FSx, Route 53, CloudWatch, Backup, SSM). Automation tooling (CloudFormation/Terraform, PowerShell DSC). Experience with regulated environments and security hardening ...

Senior Infrastructure Engineer Identity Access Management

Hiring Organisation
Rise Technical Recruitment Limited
Location
Milton Keynes, Buckinghamshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £600 per day
current platform services, as set out below. Experience Required: * Expertise in Active Directory design, administration and troubleshooting - Forests, domains, trusts, Group Policy, DNS, AD security hardening * Strong experience with Microsoft Azure in enterprise environments - Azure AD/Entra ID, identity federation, RBAC, conditional access, Zero Trust technology * Hybrid … including: - Certificate lifecycle management (issuance, renewal, revocation) - Integration of certificates with AD, Azure, servers, applications and services - Understanding certificate trust models, CRLs, OCSP and security best practice * Experience operating identity and PKI services within secure/regulated platforms * Strong troubleshooting skills across identity, authentication and access issues * PowerShell scripting ...

Senior Infrastructure Engineer / Identity Management

Hiring Organisation
Hays
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Contract
regulated environment, committed to maintaining a robust identity, authentication and access infrastructure. You will join a highly skilled team responsible for ensuring the stability, security and continuous improvement of the organisation's identity and PKI services across enterprise and hybrid platforms. Your new role As an Identity & PKI Engineer … project work, as well as the maintenance, optimisation and troubleshooting of existing systems. Your work will include Active Directory administration, hybrid identity integration, Azure security controls, certificate lifecycle management, and the operation of PKI components within secure environments. You will also contribute to identity-related automation and best practice ...

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 ...