1 to 25 of 42 Security Hardening Jobs in the UK

London, United Kingdom Posted on 24/02/2025 Job Description: Security Testing Engineer Location: Remote with occasional travel as required Employment Type: Permanent About the Role Scrumconnect Consulting is looking for a Security Testing Engineer to ensure the security, resilience, and compliance of GOV.UK digital … services . This role involves identifying vulnerabilities, mitigating security risks, and ensuring adherence to government security policies and DDAT frameworks . You will work closely with developers, security architects, and business stakeholders to embed security testing into Agile development workflows and DevSecOps pipelines. As a Security Testing Engineer , you will conduct static and dynamic security assessments, penetration testing, and vulnerability analysis , ensuring that applications meet the highest security standards. Key Responsibilities 1. Security Test Planning & Execution Develop, implement, and execute comprehensive security test plans for GOV.UK digital services. Identify security More ❯

from Office (WFO) role. This role will focus on creating a business strategy, gap analysis and implementation, for securing their Azure-based infrastructure, integrating security automation, ensuring PCI DSS compliance, vulnerability and penetration testing and incident response. This role will focus on developing and maintaining secure, scalable Azure DevOps … pipelines and Infrastructure as Code (IaC) using Terraform. Their ideal candidate will have a strong background in cloud security best practices, automation, and a proactive approach to integrating security across their software delivery lifecycle. A key part of this position will also involve mentoring an internal engineer, developing … structured security policies, and managing Sentinel, Defender and SOAR solutions for automated threat response. Additionally, the role requires liaising with third-party support partners to coordinate security solutions, manage incidents, and enhance overall cybersecurity posture. Responsibilities Infrastructure Security: Architect and secure Azure-based infrastructure using Terraform, ensuring More ❯

from Office (WFO) role. This role will focus on creating a business strategy, gap analysis and implementation, for securing their Azure-based infrastructure, integrating security automation, ensuring PCI DSS compliance, vulnerability and penetration testing and incident response. This role will focus on developing and maintaining secure, scalable Azure DevOps … pipelines and Infrastructure as Code (IaC) using Terraform. Their ideal candidate will have a strong background in cloud security best practices, automation, and a proactive approach to integrating security across their software delivery lifecycle. A key part of this position will also involve mentoring an internal engineer, developing … structured security policies, and managing Sentinel, Defender and SOAR solutions for automated threat response. Additionally, the role requires liaising with third-party support partners to coordinate security solutions, manage incidents, and enhance overall cybersecurity posture. Responsibilities Infrastructure Security: Architect and secure Azure-based infrastructure using Terraform, ensuring More ❯

Cyber Security Engineer Reports to: Director/VP of Security Architecture & Engineering About Strada Global Strada Global is a leading provider of HR and payroll services, empowering businesses worldwide with innovative technology and secure, scalable solutions. As we continue to evolve, cybersecurity is at the core of our … data, customer trust, and regulatory compliance. Strada is in the midst of a major transformation, separating from our previous parent company and building a security-first culture to enable business growth. This is an exciting time to join as we migrate IT systems, strengthen cyber resilience, and develop a … world-class security function. Role Overview The Cyber Security Engineer will play a critical role in designing, implementing, and maintaining security solutions that protect Strada's cloud and on-prem infrastructure. This role will be deeply technical and hands-on, working across security operations, engineering, and More ❯

a global organization, Strada is the ideal place to put your passion to work. To learn more about us, visit Role Overview The Cyber Security Engineer will be crucial in designing, implementing, and maintaining security solutions that safeguard Strada's cloud and on-premise infrastructure. This hands-on … technical role involves working across security operations, engineering, and risk management to enhance our security posture while supporting business growth. You will collaborate with security architects, BISOs, and cloud security teams to establish a robust cybersecurity framework as we expand rapidly. Key Responsibilities Security Engineering … Operations Design and implement security solutions across cloud, endpoint, identity, and network security. Configure and maintain security tools such as SIEM, EDR, WAFs, firewalls, IAM, and vulnerability management platforms. Work with infrastructure and DevOps teams to integrate security into CI/CD pipelines. Lead deployment of zero More ❯

WSUS, SCCM, etc) design, deploy, troubleshoot and manage to a 3rd line level. Data protection/management - VMware and guest OS and App integration. Security best practices, system and OS level security hardening (CISCAT benchmarking etc) using security vulnerability scanning tools such as Nessus. Creation of … to a 3rd line level. Windows OS, active directory and windows centric core services Design, deploy, troubleshoot and manage to a 3rd line level. Security best practices, network, system and OS level security hardening (CISCAT benchmarking etc) security vulnerability scanning tools such as Nessus. Automation/… Scripting (Aria Automation, GitLab CI/CD, Python, Shell Scripting, PowerShell). Enterprise Storage experience including vSAN, NetApp ONTAP and Storage Grid. Security Clearance Requirements The successful candidate must be eligible to go through a SC level security clearance, DV preferred. Location Must be willing to travel. Will More ❯

WSUS, SCCM, etc) design, deploy, troubleshoot and manage to a 3rd line level. Data protection/management - VMware and guest OS and App integration. Security best practices, system and OS level security hardening (CISCAT benchmarking etc) using security vulnerability scanning tools such as Nessus. Creation of … to a 3rd line level. Windows OS, active directory and windows centric core services Design, deploy, troubleshoot and manage to a 3rd line level. Security best practices, network, system and OS level security hardening (CISCAT benchmarking etc) security vulnerability scanning tools such as Nessus. Automation/… Scripting (Aria Automation, GitLab CI/CD, Python, Shell Scripting, PowerShell). Enterprise Storage experience including vSAN, NetApp ONTAP and Storage Grid. Security Clearance Requirements The successful candidate must be eligible to go through a SC level security clearance, DV preferred. Location Must be willing to travel. Will More ❯

secure enterprise environments. Key Responsibilities Deployment & Configuration: Lead the implementation and configuration of VCF, NSX, HCX, and Aria across pre-production and production environments. Security Hardening: Apply security best practices and harden systems to ensure compliance with enterprise security standards. Network Integration: Integrate VMware solutions with … equipped for ongoing support and maintenance. Skills & Experience Extensive experience deploying and configuring VCF, NSX, HCX, and Aria in enterprise environments. Strong background in security hardening, network integration, and cloud migrations. Experience working with Workload Domains (WLDs), RBAC, and Active Directory integration. Skilled in producing comprehensive documentation and More ❯

at its core. We work in partnerships with UK government customers and commercial providers to deliver research, technology, products, and services in the communications security sector. We empower our staff to make a positive difference and strive for innovation in everything we do. We operate with integrity, mutual respect … and our customers. PLEASE NOTE: - Due to the nature of our work, all candidates will be required to obtain and maintain an appropriate UK security clearance. The role… Reporting to the Engineering Technical Manager, the successful candidate will become a part of the build team. You will complete technical … Ubuntu/RHEL). Administering AWS Cloud environments. Working with cross domain solutions. Writing Ansible playbooks to deploy and manage virtual infrastructure. Implementing CIS security controls and compliance measures (security hardening) to Linux systems. Integrating and testing of new products to enhance new and existing infrastructure. Creating More ❯

is pivotal in helping infrastructure and Release management teams to secure our networks, operating systems, containers, pipelines and code. We are part of the Security team with a mission of reducing the impact of threats to Parity and its products, bolstering their resilience against potential cyber threats. About the … position This is a crucial role where your understanding of people, systems and security will allow you to advocate for and influence best practices in a diverse free thinking organisation while facilitating smooth development and implementation processes. It is a unique opportunity to help secure an innovative organisation where … is direct and honest and understands that a check box approach doesn't get results. It involves Advising Infra Engineering and IT teams on security topics and supporting their work from the security standpoint - maintaining things practical using a risk-based approach with a focus on following areas More ❯

at its core. We work in partnerships with UK government customers and commercial providers to deliver research, technology, products, and services in the communications security sector. We empower our staff to make a positive difference and strive for innovation in everything we do. We operate with integrity, mutual respect … and our customers. PLEASE NOTE: - Due to the nature of our work, all candidates will be required to obtain and maintain an appropriate UK security clearance. The role… Reporting to the Head of Services, the successful candidate will become a part of the Networking team. You will be joining … maintaining advanced routing solutions with protocols such as BGP and OSPF. Managing cloud networking in AWS including hybrid deployments, e.g. AWS Direct Connect. Applying security hardening and baselines to network appliances. Implementing and maintaining firewalls & VPN configurations. Analyzing traffic patterns using industry standard tools to support fault finding More ❯

for current and new clients, supporting engagements across multiple sectors and technical environments. This hands-on, client-facing position focuses on control implementation, infrastructure security hardening, technical remediation, and cyber risk reduction. You will be expected to work independently while maintaining alignment with industry standards and client requirements. … the implementation of cybersecurity solutions across a wide range of client environments, ensuring alignment with industry standards and regulatory requirements. Perform system and infrastructure hardening activities, including configuration reviews, security baseline application, and policy enforcement across cloud, on-premises, and hybrid environments. Conduct technical control assessments, gap analysis … mechanisms. Collaborate with client stakeholders and internal teams to provide actionable guidance and implementation support tailored to specific business and regulatory contexts. Contribute to security design reviews and technical workshops, offering practical insights to improve client security posture and delivery assurance. Provide clear and concise technical documentation, including More ❯

Security Analyst – 2nd Line SDA Division: ICT Services Department: ICT Service Desk Operations Reports to: Service Desk Team Leader Main Goal The Service Desk Analyst - Security Analyst (2nd line) role is to support the stable operation of clients Infrastructure and Applications with a specific focus on IT Security. … customers to ensure a consistent experience. Adopt a proactive approach towards all client activities. Day to day incident management and proactive monitoring of IT Security Systems and associated platforms and components Coordinate small teams delivering security related work packages in line with the company process to meet customer … and business requirements. Document and report on work completed to ensure security compliance with customer and company procedures . Escalate issues in line with company processes to ensure customer demands are met. Evaluate escalations and action appropriately to ensure customer demands are met. Able to adapt quickly to dynamic More ❯

with development teams to streamline application releases. Leveraging your expertise in modern IaaS operational tools, you'll help shape cloud-ready infrastructure while maintaining security and compliance standards across the deployment lifecycle. Job Responsibilities Automate cloud deployments using best-in-class IaaS tools. Lead operational and infrastructure aspects of … experience. Desirable Skills Experience with Terraform, ADO DevOps, or RKE2 (secure Kubernetes). Familiarity with Rancher, Packer, FluentD, and logging tools. Strong knowledge of security best practices, including system and OS-level security hardening (e.g., CISCAT benchmarking). Security Clearance Requirements The successful candidate must be … eligible to go through a SC level security clearance. Location The role will be required onsite in our Horsham offices 2 days a month and travel to client sites when required. What it's like to work at Envitia At Envitia, we believe that our greatest asset is our More ❯

system integration, some basic Windows experience, along with strong team leadership and mentorship skills. The ideal candidate will be responsible for ensuring system stability, security, and performance, while guiding and supporting their team in optimizing Linux environments and infrastructure. This role requires a daily in-office presence. Candidate must … be eligible to undergo security clearance (DV). Key Responsibilities: System Administration & Configuration Management: Manage and maintain Red Hat Enterprise Linux (RHEL) environments running application and database servers, ensuring optimal performance and stability. Manage and maintain limited Windows Servers running ITSM agents. Troubleshooting & Root Cause Analysis: Identify, analyse, and … resolve complex system issues. Incident & Problem Management: Implement robust incident response and problem-resolution strategies. Performance Monitoring & Optimization: Utilize to proactively enhance system performance. Security & Compliance: Ensure adherence to industry best practices, including patch management, vulnerability assessments, and security hardening (e.g., CIS benchmarks, STIG compliance). Automation More ❯

Windows, Linux and Virtualisaiton technologies: -Windows Server 2019/2022 Active Directory and NTFS permissions DNS DHCP File Services Group Policy, CIS and NCSC Security Hardening NTP SQL Server Windows Server Update Server (WSUS) -Cloud AWS Azure -Virtualisation VMware vSphere VMware vCentre Microsoft Hyper-V Our Ideal Candidate … experience within UK Defence (Army, Air force or Royal Navy). Excellent written and verbal communication skills. Ability to hold a minimum of UK Security Clearance (SC). Hold a UK Driving Licence and have a willingness to travel to client sites. Essential Qualifications: A Windows Server certification such More ❯

Windows, Linux and Virtualisaiton technologies: -Windows Server 2019/2022 Active Directory and NTFS permissions DNS DHCP File Services Group Policy, CIS and NCSC Security Hardening NTP SQL Server Windows Server Update Server (WSUS) -Cloud AWS Azure -Virtualisation VMware vSphere VMware vCentre Microsoft Hyper-V Our Ideal Candidate … experience within UK Defence (Army, Air force or Royal Navy). Excellent written and verbal communication skills. Ability to hold a minimum of UK Security Clearance (SC). Hold a UK Driving Licence and have a willingness to travel to client sites. Essential Qualifications: A Windows Server certification such More ❯

Wintel Engineer - SC Cleared Location: Stevenage, Hertfordshire (100% On-Site Role) Salary: Up to £55,000 per annum + Benefits Security Clearance: Must be UK National and eligible for SC Clearance CBSbutler are excited to partner with a leading global technology services provider to recruit a skilled Wintel Engineer. … This is a fantastic opportunity to join a dedicated team providing critical IT services directly into a prestigious, high-security client environment in Stevenage. Please note: Due to the secure nature of this role and client requirements, this position requires 5 days per week on-site in Stevenage and … is open only to UK Nationals who are eligible to obtain and maintain Security Clearance (SC). About the Role: As a Wintel Engineer, you will be a key technical specialist within the service delivery team. You'll leverage your deep understanding of Windows environments to ensure the stability More ❯

egress Patterns, application layer protocols (TLS/SSL, HTTP(S), DNS, etc) * Experience with Docker/Kubernetes (creating images, deployment) * Experience with GCP based security hardening including IAM, ACL, firewall rules * Experience with DBMS and SQL (Oracle) * Experience in supporting/building Continuous Delivery pipelines * Experience with deployment More ❯

egress Patterns, application layer protocols (TLS/SSL, HTTP(S), DNS, etc) * Experience with Docker/Kubernetes (creating images, deployment) * Experience with GCP based security hardening including IAM, ACL, firewall rules * Experience with DBMS and SQL (Oracle) * Experience in supporting/building Continuous Delivery pipelines * Experience with deployment More ❯

in ensuring technical solutions are designed to meet our customers functional and non-functional requirements. This role requires sole UK nationality to obtain UK security clearance. Responsibilities include: Lead technical and design discussions with senior stakeholders to help them speed their adoption of new technologies and practices. Own estimation … timescales. Retains overall ownership of solution through delivery and transition into operation and/or subsequent refinement, or modification. Ensure that appropriate National Cyber Security Centre standards are tightly integrated within the solution. Exert technical influence over multiple teams, increasing their productivity and effectiveness by sharing deep knowledge and … as design, de-risking and development, across the following technologies: Microsoft Windows Server; AD and NTFS permissions DNS DHCP Group Policy, CIS and NCSC Security Hardening Microsoft Exchange Network Time Protocol Public Key Infrastructure Virtualisation; VMware Cloud Foundation (VCF) VMware vSAN Storage Vmware vCenter High Availability Clustering Cross More ❯

in ensuring technical solutions are designed to meet our customers functional and non-functional requirements. This role requires sole UK nationality to obtain UK security clearance. Responsibilities include: Lead technical and design discussions with senior stakeholders to help them speed their adoption of new technologies and practices. Own estimation … timescales. Retains overall ownership of solution through delivery and transition into operation and/or subsequent refinement, or modification. Ensure that appropriate National Cyber Security Centre standards are tightly integrated within the solution. Exert technical influence over multiple teams, increasing their productivity and effectiveness by sharing deep knowledge and … as design, de-risking and development, across the following technologies: Microsoft Windows Server; AD and NTFS permissions DNS DHCP Group Policy, CIS and NCSC Security Hardening Microsoft Exchange Network Time Protocol Public Key Infrastructure Virtualisation; VMware Cloud Foundation (VCF) VMware vSAN Storage Vmware vCenter High Availability Clustering Cross More ❯

C# Senior Software Engineer (Security Clearance) Position Description The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator. We work, build, and operate bespoke, technically complex, mission-critical systems which help our clients keep us all safe and secure. We bring innovation to our … in taking your career wherever you want it to go. Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. This position will be hybrid working and based in one of our offices in Reading … tools. • Ability to understand and navigate complex, safety-critical systems. • Exposure to Agile (SAFe) methodologies and DevOps practices. Desirable Experience: • Operating system and application security hardening techniques. • Active Directory and Group Policy Object (GPO) configuration. • Security and compliance tooling such as Nessus. • Knowledge of UPS systems and More ❯

like GitHub Actions, Docker, and Terraform. Manage and monitor live client systems using tools like Datadog, New Relic, and Sentry. Contribute to automated testing, security hardening, and CI/CD efficiency improvements. Participate in troubleshooting, performance tuning, and incident resolution. Continuously refine internal documentation and DevOps processes. Research … is not required. Experience with building using infrastructure as code tools like Terraform or Azure Resource Manager. Demonstrable knowledge of core DevOps principles like Security, Automation, Auto-Scale up/down, networking and Self-Healing techniques. Basic understanding of Android and iOS projects and experience on mobile build automation More ❯

You will need to login before you can apply for a job. C# Senior Software Engineer (Security Clearance) Job Description The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator. We work, build, and operate bespoke, technically complex, mission-critical systems which help our … in taking your career wherever you want it to go. Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. This position will be hybrid working and based in one of our offices in Reading … tools. Ability to understand and navigate complex, safety-critical systems. Exposure to Agile (SAFe) methodologies and DevOps practices. Desirable Experience: Operating system and application security hardening techniques. Active Directory and Group Policy Object (GPO) configuration. Security and compliance tooling such as Nessus. Knowledge of UPS systems and More ❯