Senior Infrastructure Engineer: Patch & Remediation Lead

Cyber Security training courses; Greater London; Hybrid; GBP 85,000 - 110,000; Full time

Job summary

Cyber Security training courses in the United Kingdom seeks a Senior Infrastructure Engineer to own end-to-end exception patching for a regulated remediation program. The role covers Linux, Windows Server, and databases with manual patches for systems outside automation, while coordinating with vendors and application owners.

The ideal candidate will manage pre-checks, backups, rollback plans and post-change validation, and will document systems and risks in weekly reports.

Qualifications

• 5+ years' hands-on systems administration across Linux and Windows.
• Proven patching experience on critical production databases (SQL Server, Oracle, PostgreSQL).
• Experience with virtualization platforms such as VMware, Hyper‑V or KVM.
• Strong ITIL and change-management discipline with clear documentation and ticketing/ITSM experience.
• Ownership mindset with the ability to see issues through to resolution.

Responsibilities

• Manually patch Linux (RHEL) and Windows Server systems outside automated tooling.
• Patch and maintain databases including clustered/high-availability configurations.
• Patch and maintain virtualization platforms (VMware vSphere/ESXi, Hyper‑V, KVM).
• Coordinate with application owners and vendors to agree patch levels and maintenance windows.
• Plan changes with pre-checks, backups, rollback plans and validation.
• Log and progress all work through the ticketing/change process and feed weekly reports.
• Act as escalation point for patching team on high-risk changes.
• Work out-of-hours and weekend windows as needed.
• Document systems that cannot be patched and recommend compensating controls.

Skills

Systems administration

Linux administration

Windows Server administration

Database patching

Virtualization

Troubleshooting

ITIL & Change mgmt

Stakeholder engagement

Ownership & accountability

Ticketing/ITSM

Tools

VMware vSphere/ESXi

Hyper-V

KVM

Tanium

Job description

Cyber Security training courses in the United Kingdom seeks a Senior Infrastructure Engineer to own end-to-end exception patching for a regulated remediation program. The role covers Linux, Windows Server, and databases with manual patches for systems outside automation, while coordinating with vendors and application owners.

The ideal candidate will manage pre-checks, backups, rollback plans and post-change validation, and will document systems and risks in weekly reports.