RHEL L3 Engineer (24/7 on-call rotation Support)

.10+ years of hands-on experience in Red Hat Enterprise Linux (RHEL) operations, with at least 5 years in mission-critical environments (24/7 uptime, 500+ servers).

· Willingness to participate in rotational on-call support (including nights/weekends) for critical incident response and maintenance activities.

· Strong understanding of Service Level Agreements (SLAs), Recovery Time Objectives (RTO), and Recovery Point Objectives (RPO) in an enterprise IT environment.

· Hands-on experience with infrastructure monitoring tools (e.g., SolarWinds, PRTG) for performance tracking and proactive issue resolution.

· Proven ability to work in multicultural, geographically dispersed teams (APAC experience preferred).

· Intermediate-level knowledge of ITSM processes (Incident, Change, Problem, and Service Request Management) and experience with ITSM tools (e.g., ServiceNow)

· Must be able to work independently and in collaboration with various stakeholders as part of an APAC team e.g. DCS-related planning and implementation, security teams, service management teams, application teams, country IT teams and others

· Fluent business English (written and spoken) for technical documentation, stakeholder communication, and incident reporting.

· Deep expertise in RHEL 7/8/9 (installation, hardening, tuning, troubleshooting), including kernel patching and disaster recovery.

· Adept in virtualization knowledge (VMware vSphere, Nutanix AHV) for resource optimization, clustering, and high-availability configurations.

· Working knowledge of cloud platforms (Azure/AWS) for hybrid infrastructure management (IaaS)

· Strong analytical and problem-solving skills, with the ability to diagnose and resolve complex technical issues under pressure.

· Industry certifications (e.g., RHCE, RHCSA, or equivalent) are highly desirable.

· Hands-on experience with SELinux, CIS benchmarks, vulnerability remediation, and audit logging (e.g., Auditd).