Unix Engineer

Job Responsibilities/Objectives

- Provide L2/L3 support for Unix/Linux infrastructure platforms in production, including business critical and regulated systems - Perform secure build, configuration, hardening, and ongoing maintenance of Unix/Linux servers - Support data centre optimisation, migration, and transformation programmes, including platform stabilisation and risk reduction activities - Implement and maintain security controls, including access management, patching, vulnerability remediation, and configuration compliance - Participate in incident, problem, and change management, ensuring adherence to ITIL and security governance standards - Support audit, risk, and compliance activities, including evidence gathering and remediation of audit findings - Work closely with security, platform, and architecture teams to ensure platforms meet enterprise security and operational standards - Create and maintain technical documentation, runbooks, and operational procedures - Contribute to continuous improvement initiatives to enhance platform reliability, security, and operational efficiency

Required Skills/Experience

The ideal candidate will have the following:

• Strong hands on experience administering Unix/Linux platforms in large enterprise environments
• Linux (RHEL, Oracle Linux, SUSE or equivalent)
• Unix variants (e.g. AIX, Solaris, HP UX or equivalent legacy platforms)
• Solid experience with system hardening and security best practices on Unix/Linux
• OS patching and lifecycle management
• User and privilege management (sudo, PAM, RBAC)
• File system, storage, and performance management
• Process monitoring, troubleshooting, and root cause analysis
• Experience working in regulated or security sensitive environments (e.g. banking, financial services, critical infrastructure)
• Familiarity with vulnerability management, security scanning, and remediation processes
• Experience supporting data centre migration or transformation programmes is highly desirable
• Working knowledge of ITIL processes (incident, problem, change)

Desirable Skills/Experience

Although not essential, the following skills are desired by the client:

• Red Hat Certified Engineer (RHCE) or equivalent Linux certification
• Unix/Linux vendor certifications (AIX, Solaris, etc.)
• ITIL Foundation
• Security focused certifications (e.g. CompTIA Security , CISSP - foundational exposure acceptable)