26 to 50 of 94 Security Hardening Jobs in England

Identity Infrastructure Engineer

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£447/day £447 per day (inside IR35)
will be joining an organisation operating within a secure and highly regulated environment, supporting critical Identity and Access Management (IDAM) services. Working closely with security, engineering and IDAM teams, you will help maintain the resilience, availability and security of core identity infrastructure platforms. Your new role … Senior Identity Infrastructure Engineer, you will be responsible for the administration, support, security and continuous improvement of the organisation's identity infrastructure estate. This role focuses on Active Directory, PKI, DNS, Group Policy and authentication services, while also providing L2/L3 operational support across wider identity platforms. ...

Senior Security Engineer

Hiring Organisation
ASSA ABLOY
Location
Olney, Buckinghamshire, United Kingdom
Salary
£ 70 K
Senior Security Engineer Do you have the ability to become the subject matter expert in implementation of security throughout the software delivery life cycle and a drive to grow your skills in a collaborative environment? Became a part of the ASSA ABLOY Global Solutions Key and Asset Management … business unit and enjoy a culture that empowers you to build a career you can be proud of.What you would do as our Senior Security EngineerAs a Senior Security Engineer you will be responsible for evolving the software development lifecycle to support a secure-by-default design that ...

Security & Network Engineer - 12 months Fixed term

Location
Maidenhead, England, United Kingdom
developing superior products and meeting high customer expectations. We view our winning culture as a competitive advantage that powers our growth. We're seeking Security & Network Engineer who can architect and operationalise a secure, compliant, and agile network and infrastructure backbone. You'll own the design and governance … network, security policies and infrastructure architecture across hybrid cloud and on-premises environments. More than a technician, you're a strategist: someone who shapes policy, educates stakeholders, and mentors teams to embed security thinking into every decision—without strangling velocity. Reporting to the Head of Infrastructure, this role ...

NETWORK - Switching, Routing, WAP, LB, GSLB

Hiring Organisation
Zensar Technologies
Location
London, UK
Employment Type
Full-time
looking for an experienced Network Security & Infrastructure Architect to lead enterprise network transformation, security hardening, and infrastructure modernization initiatives. The successful candidate will be responsible for assessing, designing, and implementing secure, scalable, and resilient network solutions across enterprise, data center, hosted, and edge environments. At Zensar … sexual orientation, gender identity, disability, marital status, family medical leave status, or protected veteran status. Technical Skills & Experience: Strong experience in enterprise networking, network security, and infrastructure architecture. Hands-on expertise with Cisco networking technologies, including routing, switching, and Software Defined Access (SDA).Proven experience with firewall platforms, including ...

Senior Identity Infrastructure Engineer

Location
Manchester, England, United Kingdom
core identity infrastructure platforms that underpin the organisation's Identity and Access Management (IDAM) services.The successful candidate will be responsible for the administration, support, security, and continuous improvement of the Active Directory, PKI, DNS, Group Policy, and authentication infrastructure. They will work closely with the wider IDAM team, supporting … enterprise identity technologies and authentication services.The position is based 5 days per week within secure facilities in either Inverness or Manchester, working closely with security, engineering, and IDAM teams to ensure the availability, resilience, and security of critical identity platforms.Your role:Active Directory InfrastructureAdminister and maintain enterprise Active ...

Senior Identity Infrastructure Engineer

Location
Urmston, England, United Kingdom
core identity infrastructure platforms that underpin the organisation's Identity and Access Management (IDAM) services.The successful candidate will be responsible for the administration, support, security, and continuous improvement of the Active Directory, PKI, DNS, Group Policy, and authentication infrastructure. They will work closely with the wider IDAM team, supporting … enterprise identity technologies and authentication services.The position is based 5 days per week within secure facilities in either Inverness or Manchester, working closely with security, engineering, and IDAM teams to ensure the availability, resilience, and security of critical identity platforms.Your role:Active Directory InfrastructureAdminister and maintain enterprise Active ...

Security & Network Engineer - 12 months Fixed term

Hiring Organisation
Techtronic Industries - Europe HQ
Location
Maidenhead, Berkshire, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
powerful brand portfolio includes MILWAUKEE, RYOBI, AEG - recognized worldwide for their deep heritage and innovative product platforms of superior quality. We're seeking Security & Network Engineer who can architect and operationalise a secure, compliant, and agile network and infrastructure backbone. You'll own the design and governance … network, security policies and infrastructure architecture across hybrid cloud and on-premises environments. More than a technician, you're a strategist: someone who shapes policy, educates stakeholders, and mentors teams to embed security thinking into every decision—without strangling velocity. Key Responsibilities Network Architecture & Design: Lead design ...

Staff Engineer

Location
Greater London, England, United Kingdom
applications. Resilience & Performance: Design solution‐wide UI resilience (graceful degradation, back‐pressure, retry strategies) and own performance standards across web and mobile. Quality, Security & Compliance: Own threat modelling and security hardening for tribe front‐end products; maintain high standards through code review, secure coding practices, and risk … observability, performance budgets). Experience with Azure development and cloud‐based infrastructure , including CI/CD and pipeline observability. Experience owning threat modelling and security hardening for front‐end products; strong grasp of OWASP and secure coding practices. Track record of originating and shepherding cross‐team initiatives ...

Infrastructure Engineer

Hiring Organisation
VIQU IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - 600 per day + Inside IR35
operational tasks. VMware vSphere – Administration of enterprise virtual environments. Hyper-V advantageous. Active Directory – Administration of AD, DNS, DHCP and Group Policy. Server Security – Patching, OS upgrades, security hardening and vulnerability remediation. Infrastructure Support – Troubleshooting business-critical enterprise infrastructure. Desirable: Microsoft Azure, MECM/SCCM, Microsoft Intune … Manage Windows Server, Active Directory, DNS, DHCP, Group Policy and VMware vSphere. Automation & Improvement: Develop PowerShell scripts to automate tasks and improve efficiency. Troubleshooting & Security: Resolve infrastructure issues and deliver patching, upgrades, hardening and vulnerability remediation. Projects & Support: Support migrations, upgrades and refreshes; maintain documentation, follow ITIL processes ...

Infrastructure Engineer

Hiring Organisation
VIQU IT Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£500.00 - £600.00 per day
operational tasks. VMware vSphere – Administration of enterprise virtual environments. Hyper-V advantageous. Active Directory – Administration of AD, DNS, DHCP and Group Policy. Server Security – Patching, OS upgrades, security hardening and vulnerability remediation. Infrastructure Support – Troubleshooting business-critical enterprise infrastructure. Desirable: Microsoft Azure, MECM/SCCM, Microsoft Intune … Manage Windows Server, Active Directory, DNS, DHCP, Group Policy and VMware vSphere. Automation & Improvement: Develop PowerShell scripts to automate tasks and improve efficiency. Troubleshooting & Security: Resolve infrastructure issues and deliver patching, upgrades, hardening and vulnerability remediation. Projects & Support: Support migrations, upgrades and refreshes; maintain documentation, follow ITIL processes ...

Infrastructure Windows Engineer - SC Cleared

Hiring Organisation
Lorien
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
infrastructure is treated as a strategic capability. You'll work alongside highly skilled engineering teams, supporting business-critical platforms while contributing to modernisation, automation, security, and cloud transformation initiatives. The Opportunity As an Infrastructure Windows Engineer, you will be responsible for the design, support, optimisation, and continuous improvement … Microsoft infrastructure estate. Operating within a complex and highly regulated environment, you'll play a key role in ensuring the stability, security, and availability of core services that underpin critical banking operations. This role offers exposure to large-scale enterprise technologies, infrastructure transformation programmes, and industry-leading security ...

Senior DevOps Engineer

Location
Harwell, England, United Kingdom
Role: Senior DevOps Engineer Contract: Permanent Location: Greater Oxford Area Working Pattern: Flexible & Hybrid Salary: Competitive Security clearance: You must be eligible for UK security clearance (BPSS and SC). We require applicants to hold a UK passport and 5 years of continuous UK residency. We can sponsor … Dynamics is at an inflection point. We build frontier AI for environments where the cost of a wrong decision is high: defence and national security, critical infrastructure, and commercial organisations making high-stakes decisions on complex data. We are growing fast, and the constraint on how fast ...

Platform Engineer

Hiring Organisation
Circle Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£526.00 - £629.00 per day
Windows and Linux servers. Configure Azure Monitor, Log Analytics Workspaces, Data Collection Rules (DCRs), dashboards, and alerting solutions. Monitor infrastructure performance, availability, capacity, and security events. Support operational monitoring and reporting across enterprise environments. Deploy, configure, upgrade, and maintain XDR/EDR agents across Windows and Linux server environments. … Perform large-scale security agent rollouts using automated deployment methods. Troubleshoot agent installation, connectivity, onboarding, and performance issues. Ensure endpoint security agents remain compliant and operational across the server estate. Support security operations teams with endpoint protection and monitoring requirements. Install, configure, administer, and maintain Windows Server ...

Technical Program Manager, AI Delivery for Public Sector & Defence, UK

Hiring Organisation
Cohere
Location
London, United Kingdom
Salary
£ 70 K
Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems.We’re training and deploying frontier models for enterprises who are building AI systems. We believe that our work … bridge between our cutting-edge AI capabilities and the specific needs of UK Government and defence organisations. You'll navigate complex procurement processes, stringent security requirements, data sovereignty concerns, and regulatory compliance while ensuring our customers successfully deploy and scale our AI solutions.In this role, you'll collaborate with ...

Senior Cloud Architect: Azure, AKS & GitOps (Hybrid)

Location
Nottingham, England, United Kingdom
modules for Azure core services and enforce IaC standards across providers. Deploy and manage AKS clusters with GitOps, implement Istio service mesh, lead CIS security hardening, and create centralised Helm charts for consistency. Design networking architecture including hub VNets, Azure Firewall policies, and DNS configurations with thorough documentation. … Implement Identity and Security measures including PIM, RBAC, CI/CD credential management, container security, and compliance preparation. Modernise CI/CD with reusable workflows, template repositories, provider‐agnostic tooling, automated versioning, and integrated security scanning. Set up observability with Loki, Grafana Alloy, and tracing; integrate FinOps ...

Information Security Analyst

Location
Farnborough, England, United Kingdom
role in maintaining the trust of our Owners and ensuring the seamless delivery of world-class aviation services. YOUR MISSION Investigate and respond to security alerts and incidents, acting as an escalation point for events requiring deeper technical analysis. Improve detection by tuning alerts, analysing false positives and recommending … monitoring use cases across endpoint, identity, email, network and cloud services. Strengthen resilience by supporting vulnerability management, security hardening, playbooks and automation across on-premises and cloud environments. Support European compliance by gathering evidence, maintaining records and contributing to risk assessments, audits and regulatory activities, including EASA Part ...

CLOUD SECURITY ENGINEER

Location
Greater London, England, United Kingdom
Internet of Things. Reply’s services include Consulting, System Integration, and Digital Services. Role Overview: We are looking for a hands-on Cloud Security Engineer to join our growing cybersecurity practice. This is an engineering-first role so we are looking for someone who builds, configures, and secures cloud … embedded within financial services and public sector client engagements, working directly alongside engineering and platform teams to design and implement secure cloud architectures, integrate security into delivery pipelines, and improve cloud security posture across primarily AWS -based environments. You will bring a strong cloud engineering background with ...

Senior Systems Administrator

Location
Slough, England, United Kingdom
with deep experience configuring, managing, and troubleshooting hardware and software. You're fluent in MacOS, Windows, Google Workspace, Microsoft O365, WiFi networks, and current security protocols. You'll provide direct support to team members while driving long-term operational IT projects. Position Responsibilities Infrastructure & Project Leadership Own and drive … long-term IT infrastructure projects from scoping through delivery including network upgrades, cloud migrations, security hardening, and tooling improvements Develop and maintain technical roadmaps aligned with business goals, collaborating with leadership to prioritize initiatives Design, implement, and continuously improve automated provisioning and systems management pipelines (CI/ ...

IT & Service Delivery Engineer

Location
Coleshill CP, England, United Kingdom
GROUP IT & SERVICE DELIVERY MANAGERJob PurposeBased at Trakm8's head office in Coleshill, the IT & Service Delivery Engineer is responsible for the availability, performance, security and resilience of Trakm8's telematics and optimisation platforms and of the corporate IT services. The role spans a mixed environment of corporate office … resilience gaps and recommend proportionate improvements, making effective use of modern tooling including AI-assisted development and automation.Security, Documentation & CollaborationOperate infrastructure with a security-first approach, applying access controls, hardening and vulnerability remediation in line with company policies.Support logging, monitoring and security tooling, and assist with investigation ...

Server Engineer

Hiring Organisation
VIQU IT Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£500.00 - £600.00 per day
administering virtual server environments. Hyper-V experience would be advantageous. Microsoft Infrastructure: Strong practical knowledge of Active Directory, DNS, DHCP and Group Policy. Server Security & Lifecycle: Experience with Windows patch management, operating system upgrades, security hardening and vulnerability remediation. Infrastructure Support: Proven experience troubleshooting and supporting business ...

Cloud Support Engineer

Location
Euxton, England, United Kingdom
hosted application environments Monitor and maintain infrastructure to identify issues, meet uptime SLAs and resolve operational issues System patching, application updates, vulnerability remediation and security hardening across hosted systems Manage and maintain virtualised platforms, storage solutions, servers, network devices and associated productivity toolsets Support customer systems and resolve ...

Cloud Support Engineer

Location
Chorley, England, United Kingdom
hosted application environments Monitor and maintain infrastructure to identify issues, meet uptime SLAs and resolve operational issues System patching, application updates, vulnerability remediation and security hardening across hosted systems Manage and maintain virtualised platforms, storage solutions, servers, network devices and associated productivity toolsets Support customer systems and resolve ...

Endpoint Engineer

Location
Greater London, England, United Kingdom
Tooling & AI Workload Enablement Configure, package, and support core developer tooling across the fleet (VS Code, Python, Git, CLI utilities), balancing developer flexibility with security and compliance standards. Define and support endpoint requirements for AI/ML workloads, including GPU driver management, containerization/WSL2, and local model runtime … Cross‐Functional Collaboration Create and maintain technical documentation, runbooks, and cross‐team knowledge resources. Engage in cross‐functional project work spanning cloud identity, automation, security hardening, and software lifecycle management. Act as an owner by proactively driving issues to resolution across business You May Be a Good ...

Endpoint Engineer

Hiring Organisation
Fitch Ratings
Location
London, UK
Employment Type
Full-time
Developer Tooling & AI Workload EnablementConfigure, package, and support core developer tooling across the fleet (VS Code, Python, Git, CLI utilities), balancing developer flexibility with security and compliance standards. Define and support endpoint requirements for AI/ML workloads, including GPU driver management, containerization/WSL2, and local model runtime … Documentation & Cross-Functional CollaborationCreate and maintain technical documentation, runbooks, and cross-team knowledge resources. Engage in cross-functional project work spanning cloud identity, automation, security hardening, and software lifecycle management. Act as an owner by proactively driving issues to resolution across business You May be a Good ...

Hybrid Cloud Engineer

Hiring Organisation
Guardian Media Group
Location
London, United Kingdom
Salary
£ 70 K
hybrid identity environment. Experience supporting infrastructure migration or transformation activity, ideally involving movement from on-premise services into cloud platforms. Solid understanding of infrastructure security, resilience, monitoring and operational best practice. Understanding of network technologies in a hybrid cloud/on-premise environment.Experience supporting infrastructure security hardening activities, including applying CIS Benchmarks, NIST guidance or comparable security standards.Collaborative approach, with a willingness to share knowledge and support colleagues. Able to participate in the out-of-hours support rota for troubleshooting and resolving issues (1 week in 3 on a rotational basis with a paid ...