10 of 10 Remote Security Hardening Jobs in London

identity & access management, including Microsoft Active Directory and Microsoft Entra ID. You'll join the EDS team as a hands-on engineer focused on day-to-day operations and security hardening across Active Directory and Microsoft Entra ID (Azure AD) . You will work with platform SMEs and the wider team to deliver BAU tickets, implement hardening … incidents, service requests, and standard changes across AD/Entra ID, PKI, AD FS, and Quest Active Roles, ensuring adherence to SLAs. You will implement Tier-0/DC hardening, manage GPO governance, and enhance security through Kerberos/LDAP protections and Conditional Access/PIM controls. Your engineering expertise will be pivotal in executing changes based on … SME/architect designs, utilising PowerShell and Microsoft Graph for automation and configuration management. You will conduct security remediation using tools like BloodHound/AzureHound and PingCastle, whilst also contributing to monitoring, ops quality, and compliance processes. Collaboration with SMEs and various teams is essential, alongside actively participating in major-incident support and knowledge sharing. Experience & Qualifications Microsoft identity More ❯

Client Computing (GCC) Engineering Team, reporting to the GCC Engineering manager. The primary focus of the role is engineering, troubleshooting and design of the following: Windows 11 group policy, security hardening, build optimisation, least-privilege access, and performance optimisation required to keep our current estate updated and operating efficiently. Microsoft Modern Desktop, including AutoPilot for device provisioning, Intune … policy management, software and configuration deployment. End User Experience monitoring and optimisation. Enterprise endpoint security and remote access solutions. Candidates will work closely with other service areas within Technology such as Cyber Defence, Network, Data Services, Project Office, Enterprise Engineering, Architecture, and Regional Desktop Support teams to ensure that appropriate tools and processes are in place to aid in … will include: Providing escalation support and in-depth investigation capability for the GCC group Microsoft Secure Score continuous assessment, testing and improvement Evaluating, engineering and implementing (where appropriate) IT Security feature enhancement requests for the global endpoint estate Engineering solutions to help automate Evergreen processes such as: Self-service testing capability for application support and development teams to consume More ❯

and managing the day-to-day operations of the Linux infrastructure team, including both senior-level system administrators and the Linux support desk staff. This role ensures the stability, security, and performance of mission-critical Linux-based systems including multiple exchanges as well as providing strategic direction, operational excellence, effective team leadership and close collaboration with other departments Responsibilities … the PM team. Oversee incident management, root cause analysis, and rapid resolution of system outages or performance degradation. Ensure compliance of procedures such as change management, patch management and security and audit processes. Assist in the maintenance of these procedures. Support regular security audits and penetration tests, addressing findings and oversee any remediation work. Improve system monitoring, alerting … system administration experience with at least 3 years in a managerial or team lead role. Strong expertise with RHEL-based systems, including installation, ongoing management, monitoring, performance tuning, system security hardening, etc. Proven track record of managing geographically distributed teams, including senior engineers and tier-1/2 support staff including on-call and rota scheduling. Experience in More ❯

and managing the day-to-day operations of the Linux infrastructure team, including both senior-level system administrators and the Linux support desk staff. This role ensures the stability, security, and performance of mission-critical Linux-based systems including multiple exchanges as well as providing strategic direction, operational excellence, effective team leadership and close collaboration with other departments Responsibilities … the PM team. Oversee incident management, root cause analysis, and rapid resolution of system outages or performance degradation. Ensure compliance of procedures such as change management, patch management and security and audit processes. Assist in the maintenance of these procedures. Support regular security audits and penetration tests, addressing findings and oversee any remediation work. Improve system monitoring, alerting … system administration experience with at least 3 years in a managerial or team lead role. Strong expertise with RHEL-based systems, including installation, ongoing management, monitoring, performance tuning, system security hardening, etc. Proven track record of managing geographically distributed teams, including senior engineers and tier-1/2 support staff including on-call and rota scheduling. Experience in More ❯

About the Role Opensourced® is working with a cutting-edge secure-tech organisation delivering high-performance, cloud-native platforms to some of the UK's most mission-critical national security programmes. As part of their ongoing growth, they’re looking to hire Senior and Lead DevOps Engineers to support both new and existing secure transformation projects. You’ll play … a key role in architecting and maintaining scalable, security-first cloud infrastructure using AWS, Kubernetes, and real-time data streaming pipelines. This is a hands-on role for engineers who thrive in high-assurance environments and enjoy driving automation and DevSecOps best practices. What’s on Offer Highly competitive salary and hybrid flexibility Work on classified, mission-critical national … security projects Clear career progression in a modern DevSecOps culture Latest tools and cloud-native platforms at scale Direct impact on secure solutions shaping UK defence programmes What You’ll Be Doing Designing and supporting secure AWS multi-account environments Driving automation, container orchestration, and real-time data pipelines Leading initiatives in infrastructure-as-code, CI/CD, and More ❯

About the Role Opensourced® is working with a cutting-edge secure-tech organisation delivering high-performance, cloud-native platforms to some of the UK's most mission-critical national security programmes. As part of their ongoing growth, they’re looking to hire Senior and Lead DevOps Engineers to support both new and existing secure transformation projects. You’ll play … a key role in architecting and maintaining scalable, security-first cloud infrastructure using AWS, Kubernetes, and real-time data streaming pipelines. This is a hands-on role for engineers who thrive in high-assurance environments and enjoy driving automation and DevSecOps best practices. What’s on Offer Highly competitive salary and hybrid flexibility Work on classified, mission-critical national … security projects Clear career progression in a modern DevSecOps culture Latest tools and cloud-native platforms at scale Direct impact on secure solutions shaping UK defence programmes What You’ll Be Doing Designing and supporting secure AWS multi-account environments Driving automation, container orchestration, and real-time data pipelines Leading initiatives in infrastructure-as-code, CI/CD, and More ❯

About the Role Opensourced® is working with a cutting-edge secure-tech organisation delivering high-performance, cloud-native platforms to some of the UK's most mission-critical national security programmes. As part of their ongoing growth, they’re looking to hire Senior and Lead DevOps Engineers to support both new and existing secure transformation projects. You’ll play … a key role in architecting and maintaining scalable, security-first cloud infrastructure using AWS, Kubernetes, and real-time data streaming pipelines. This is a hands-on role for engineers who thrive in high-assurance environments and enjoy driving automation and DevSecOps best practices. What’s on Offer Highly competitive salary and hybrid flexibility Work on classified, mission-critical national … security projects Clear career progression in a modern DevSecOps culture Latest tools and cloud-native platforms at scale Direct impact on secure solutions shaping UK defence programmes What You’ll Be Doing Designing and supporting secure AWS multi-account environments Driving automation, container orchestration, and real-time data pipelines Leading initiatives in infrastructure-as-code, CI/CD, and More ❯

About the Role Opensourced® is working with a cutting-edge secure-tech organisation delivering high-performance, cloud-native platforms to some of the UK's most mission-critical national security programmes. As part of their ongoing growth, they’re looking to hire Senior and Lead DevOps Engineers to support both new and existing secure transformation projects. You’ll play … a key role in architecting and maintaining scalable, security-first cloud infrastructure using AWS, Kubernetes, and real-time data streaming pipelines. This is a hands-on role for engineers who thrive in high-assurance environments and enjoy driving automation and DevSecOps best practices. What’s on Offer Highly competitive salary and hybrid flexibility Work on classified, mission-critical national … security projects Clear career progression in a modern DevSecOps culture Latest tools and cloud-native platforms at scale Direct impact on secure solutions shaping UK defence programmes What You’ll Be Doing Designing and supporting secure AWS multi-account environments Driving automation, container orchestration, and real-time data pipelines Leading initiatives in infrastructure-as-code, CI/CD, and More ❯

Enhanced DV Clearance Required – Sole British Nationals Only About The Client: I am working with a highly regarded and secure-tech organisation leading cutting-edge digital infrastructure transformation across security programmes. They deliver ultra-secure, scalable and high-performance cloud platforms for clients operating in some of the UK's most mission-critical environments. Due to the ongoing success … Lead DevOps Engineers to support new and existing secure programmes of work. The Benefits: Highly competitive salary and hybrid flexibility Work on highly classified and secure projects within the security space Career progression within a modern DevSecOps culture Work with the latest tools and cloud platforms Opportunity to shape secure solutions at a large scale What You Will Be … initiatives across automation, container orchestration, and real-time data streaming pipelines. As a senior or lead engineer, you’ll be hands-on in both build and support, working across security-first infrastructure and enabling robust DevSecOps practices. Essential Skills: Strong experience with AWS MSK (Kafka) and secure multi-account AWS environments Proven production experience with Kubernetes, Docker, Helm Proficient More ❯

Enhanced DV Clearance Required – Sole British Nationals Only About The Client: I am working with a highly regarded and secure-tech organisation leading cutting-edge digital infrastructure transformation across security programmes. They deliver ultra-secure, scalable and high-performance cloud platforms for clients operating in some of the UK's most mission-critical environments. Due to the ongoing success … Lead DevOps Engineers to support new and existing secure programmes of work. The Benefits: Highly competitive salary and hybrid flexibility Work on highly classified and secure projects within the security space Career progression within a modern DevSecOps culture Work with the latest tools and cloud platforms Opportunity to shape secure solutions at a large scale What You Will Be … initiatives across automation, container orchestration, and real-time data streaming pipelines. As a senior or lead engineer, you’ll be hands-on in both build and support, working across security-first infrastructure and enabling robust DevSecOps practices. Essential Skills: Strong experience with AWS MSK (Kafka) and secure multi-account AWS environments Proven production experience with Kubernetes, Docker, Helm Proficient More ❯