12 of 12 Remote Security Hardening Jobs in England

Role: Senior Cyber Security Engineer (Cyber SME) Salary: Up to £70,000 Location: Reading/Birmingham - Hybrid (1 day/week in office) Be the Cyber Security Subject Matter Expert protecting the backbone of our business.Are you a highly skilled cyber security professional ready to take ownership of security engineering and infrastructure hardening? We're … looking for a Senior Cyber Security Engineer to join our team and act as the go-to expert for all things security.Reporting to the head of security, you'll play a critical role in protecting our infrastructure, networks, and data, while guiding teams across the business with your deep technical expertise. What You'll Do Serve as the … Cyber Security Subject Matter Expert, advising on secure systems design, change control, and implementation of robust security controls. Lead the technical vulnerability management programme, with a strong focus on application security, web application firewalls, and secure DevOps pipelines. Provide security leadership and mentoring , supporting colleagues and enhancing security awareness across the business. Actively contribute to More ❯

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 ❯

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 ❯

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 ❯

Cyber Security Project Manager Contract Duration: 6 Months, Initially Location: Sheffield (Hybrid - 3 days in-office) Job Type: Contract, inside IR35 We are seeking a highly capable Cyber Security Project Manager to lead governance and orchestration across our client's strategic Active Directory (AD) Resiliency Programme. This programme includes nine critical workstreams aimed at strengthening infrastructure, access controls … day of the role: Lead end-to-end project management across multiple AD resiliency workstreams, including Conditional Access Policy remediation, decommissioning of remote domain controllers, and infrastructure upgrades and security hardening. Establish and maintain strong governance frameworks to ensure alignment, accountability, and timely delivery. Orchestrate cross-functional teams including infrastructure, cyber security, and architecture. Track dependencies, risks, and … milestones across all streams, ensuring proactive issue resolution. Provide clear reporting and stakeholder updates to senior leadership. Drive continuous improvement and ensure compliance with the company's security standards and regulatory obligations. Required Skills & Qualifications: Proven experience delivering complex cyber security or infrastructure programmes in large enterprise environments. Understanding of Active Directory, identity and access management, and enterprise More ❯