3 of 3 Remote Security Hardening Jobs in London

Client, a leading investment bank seeks a Linux Systems Engineer to manage and optimise its global infrastructure. This role involves providing 24/7 support, ensuring system availability and security, delivering projects, and implementing automation solutions to improve efficiency and performance. Role & Responsibilities: Manage and maintain Linux/Unix systems to ensure high availability, security, and performance. Deliver … integrity through backup management, disaster recovery planning, and capacity forecasting. Provide technical support to internal teams and act as a subject matter expert on Linux/Unix environments. Implement security updates and ensure compliance with industry standards and internal policies. Participate in on-call and weekend work rotations to support business-critical systems. Essential Skills & Experience: Expertise in Red … Hat, Solaris, and system tuning. Strong knowledge of Ansible, AWX, REST API integration, and Scripting (Python, Perl, Bash). Experience with networking, storage, security hardening, and high-availability configurations. Familiarity with CI/CD pipelines, Git version control, and infrastructure automation. Knowledge of security frameworks, compliance standards (eg, GDPR, SOX), and best practices. Package: Salary: Up to 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 ❯