CareerAddict

Technical Infrastructure Manager/Linux Systems Administrator

N.P.A.

Posted on Jul 1, 2025 by N.P.A.
London, United Kingdom
IT
Immediate Start
£85k - £105k Annual
Full-Time

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

Reference: 2973944358

https://jobs.careeraddict.com/post/104790658

This Job Vacancy has Expired!

N.P.A.

Technical Infrastructure Manager/Linux Systems Administrator

N.P.A.

Posted on Jul 1, 2025 by N.P.A.

London, United Kingdom
IT
Immediate Start
£85k - £105k Annual
Full-Time

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

Reference: 2973944358

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