Technical Infrastructure Manager/Linux Systems Administrator

Technical Infrastructure Manager/Linux Systems Administrator/Team Lead

Candidates MUST come from a Highly Technical Linux Systems Administrators Background and still be Hands On with a minimum of 3 years' experience either a Manager or a Team Leader looking for the next step up.

The successful candidate will be responsible for leading and managing the day-to-day operations of a mission-critical Linux infrastructure team, including both the Linux Support Desk staff along with senior-level system administrators.

Previous Financial/Banking experience in a Low Latency environment would be highly beneficial but not essential.

Responsibilities and Duties

• The successful candidate will manage both the Linux internal support team as well as a senior sysadmin team of experienced professionals. These teams oversee the entire company's Linux estate including development, QA and multiple production trading systems including some belonging to third party clients.
• Collaborate with development, networks, ops and product teams on strategic IT initiatives.
• Assist with planning, management and resource allocation of inter-departmental projects alongside the company's 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, documentation, operating procedures and incident response processes.
• Manage, mentor, plan and coordinate the activities of both teams.

Required Skills/Experience

• 7+ years Linux 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 (eg GitLab pipelines) and rollback strategies.
• Proficiency in managing bare-metal Servers, virtualization platforms such as VMware, containerised systems as well as familiarity with hybrid cloud environments and DevOPS practices.
• Familiarity with incident/problem management and change control workflows a plus.
• Previous experience with low latency systems or financial experience desirable.
• Excellent verbal and written communication skills, with the ability to interface with operations desks, application developers, compliance teams, and executive leadership.

Benefits Include

• 25 days annual leave - not including bank holidays
• Private medical insurance
• Flexible working hours
• Company pension
• Group Policies - Life Assurance, Income Protection and Critical Illness
• Discretionary bonus
• Share Incentive Plan
• Electric Car Scheme
• Enhanced Maternity and Paternity Policy