Patching Operations Process Specialist

R Systems; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

R Systems is seeking an experienced IT Infrastructure professional in Singapore. The role focuses on Open Systems administration across Windows/Linux, middleware patching, and rigorous change governance to ensure 24x7 operational readiness.

Responsibilities include coordinating production changes across infrastructure, middleware, and application teams, maintaining patch windows, and ensuring post-patch validation.

Qualifications

• Open Systems and middleware administration/patching knowledge.
• Experience coordinating production changes across infrastructure, middleware and application teams.
• CRQ/change processes, VRA/exception handling, rollback and post-patch validation.
• Comfortable supporting rostered overnight, weekend and public-holiday activities when patch windows require.
• Strong documentation, stakeholder follow-up, issue triage and escalation discipline.
• ITIL certification or equivalent service-management experience is preferred.
• SOP, RACI, control gates, evidence closure and 24x7 operational readiness.

Skills

5–8 years experience

Open Systems Admin

Change coordination

CRQ/VRA

On-call / Shift work

Documentation & Escalation

Patch ops coordination

SOP/RACI/Control gates

Education

Diploma or Bachelor's degree in IT/CS/Engineering

ITIL certification

Tools

WebLogic

WebSphere

JBoss

Apache Tomcat

Job description

Diploma or bachelor’s degree in Information Technology, Computer Science, Engineering or related discipline

• Minimum 5–8 years in infrastructure operations, patch management, change coordination, service delivery or technology process governance
• Hands-on knowledge of Open Systems administration covering Windows, Linux/Unix and server patching principles
• Working knowledge of middleware administration and patching, such as WebLogic, WebSphere, JBoss, Apache HTTPD/Tomcat or equivalent platforms
• Experience coordinating production changes across infrastructure, middleware and application teams
• Working knowledge of CRQ/change processes, VRA/exception handling, rollback and post-patch validation
• Comfortable supporting rostered overnight, weekend and public-holiday activities when patch windows require
• Strong documentation, stakeholder follow-up, issue triage and escalation discipline
• ITIL certification or equivalent service-management experience is preferred
• Accelerated patch operations, change, VRA and cross-team coordination
• SOP, RACI, control gates, evidence closure and 24x7 operational readiness

Open Systems and middleware administration / patching knowledge