9 of 9 DemandTrendPermanent Security Hardening Jobs in Central London

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 ❯

PM team. Oversee incident management, root cause analysis, and rapid resolution of system outages or performance degradation. Ensure compliance of company 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 … managing complex IT projects, including system migrations and infrastructure upgrades. Strong understanding of cybersecurity principles and experience implementing security measures in a regulated environment. Ability to coach, mentor, and upskill staff; develop career paths and ensure team resilience. Experience undertaking root cause analysis including prevention orientated solution reporting. Working experience with deployment tools (e.g. GitLab pipelines) and rollback strategies. 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 ❯

networking equipment. Comfortable performing pre-approved network changes (e.g., VLAN changes, ACL modifications, routing adjustments). Ability to troubleshoot Layer 2 (switching) and Layer 3 (routing) issues . Firewall & Security – Fortigate Expertise Experience managing Fortigate firewalls (policy changes, VPN configurations, security hardening). Basic understanding of firewall rule management and troubleshooting connectivity issues. Basic Automation Experience Exposure … Strong documentation & reporting skills – Must keep detailed records of network changes, incidents, and troubleshooting steps . Ability to work cross-functionally – Will collaborate with Service Desk, Senior Engineers, and Security teams . More ❯

networking equipment. Comfortable performing pre-approved network changes (e.g., VLAN changes, ACL modifications, routing adjustments). Ability to troubleshoot Layer 2 (switching) and Layer 3 (routing) issues . Firewall & Security – Fortigate Expertise Experience managing Fortigate firewalls (policy changes, VPN configurations, security hardening). Basic understanding of firewall rule management and troubleshooting connectivity issues. Basic Automation Experience Exposure … Strong documentation & reporting skills – Must keep detailed records of network changes, incidents, and troubleshooting steps . Ability to work cross-functionally – Will collaborate with Service Desk, Senior Engineers, and Security teams . More ❯

Overall governance of Azure Infrastructure and Platform. Design and Architecture knowledge for Azure Landing zone. Closely working on IAAS and Platform projects aligned with different support teams, Technical Architect, Security Team, Service Manager through a DevOps board. Management of Azure Landing Zone subscription hosting Infrastructure components. Migration of Application Workload from Legacy Management group and Subscriptions to Azure Landing … for 2019/2022, App Services, SQL Managed Instance, SQL Database Server. Ensure high availability of services. Deliver secure way of network routing using Application Gateway, Azure Firewall, Network Security Group. Design and Configuration of point-to-site and site-to-site for high secure VPN connectivity from end user’s device and Sizewell C various offices and sites. … Configuration of Data Lake storage, ensuring security hardening. Compliance of backup and restoration. Integration of IAAS, PAAS and SAAS application with Microsoft Entra ID (AAD) for secure access through SAML SSO. Maintain the lifecycle of Enterprise Application and App registration certificate. Closely working With Security Architect and Team to adhere zero-trust architecture by securing server policy, group More ❯

Overall governance of Azure Infrastructure and Platform. Design and Architecture knowledge for Azure Landing zone. Closely working on IAAS and Platform projects aligned with different support teams, Technical Architect, Security Team, Service Manager through a DevOps board. Management of Azure Landing Zone subscription hosting Infrastructure components. Migration of Application Workload from Legacy Management group and Subscriptions to Azure Landing … for 2019/2022, App Services, SQL Managed Instance, SQL Database Server. Ensure high availability of services. Deliver secure way of network routing using Application Gateway, Azure Firewall, Network Security Group. Design and Configuration of point-to-site and site-to-site for high secure VPN connectivity from end user’s device and Sizewell C various offices and sites. … Configuration of Data Lake storage, ensuring security hardening. Compliance of backup and restoration. Integration of IAAS, PAAS and SAAS application with Microsoft Entra ID (AAD) for secure access through SAML SSO. Maintain the lifecycle of Enterprise Application and App registration certificate. Closely working With Security Architect and Team to adhere zero-trust architecture by securing server policy, group More ❯