Employer: Nexio ROLE PURPOSEProvide first‑line Linux system administration support within enterprise environments, including daily operational tasks, incident resolution, system checks, patching, security compliance, backup and recovery activities, and coordination with cross‑functional teams to maintain system stability and performance. ROLE REQUIREMENT 3.1 Functional Responsibilities * Perform daily Linux system administration checks and operational tasks * Provide first‑line support and escalate unresolved incidents * Support OS implementation activities across Production, Test, QA & Development * Apply security patches and assist with vulnerability management * Perform backups and restores using enterprise tools (e.g., NetBackup) * Log and track tickets using ITSM tools (Remedy/ServiceNow) * Collaborate with Networks, Storage, DB, Security, Facilities & Dev teams * Follow established SOPs, security standards, and ITIL practices 3.2 Impact on Organisation * Contributes to system stability and operational continuity * Ensures incidents are resolved within SLA, reducing downtime * Supports compliance, backup integrity, and audit readiness 3.3 Leadership * No direct reports * Expected to show ownership, initiative, and continuous learning * Contribute to team knowledge sharing and documentation 3.4 Key Activities Summary * 1st‑line Linux system administration * Logging & escalating tickets * Daily system monitoring * Patch & vulnerability remediations * Backup & recovery tasks * Troubleshooting basic OS, hardware & storage‑related issues PROFESSIONAL COMPETENCIES * Basic Linux administration (RHEL, CentOS, SUSE or similar) * Shell scripting fundamentals (Bash) * Patch management & security compliance * Backup and recovery (NetBackup advantageous) * Basic networking, storage and hardware knowledge * System monitoring & incident management * Understanding of ITIL processes QUALIFICATIONS & EXPERIENCE * Matric (Grade 12) * Tertiary qualification in ICT or a related Information Technology discipline * ITIL Foundation Certification * RHCSA or an equivalent Linux/Unix certification * Exposure to AWS Cloud technologies (Advantageous) * Minimum of 1 to 3 years’ experience in ICT, including at least 1 year in Linux/Unix system administration. * Experience supporting enterprise-scale environments * Foundational knowledge of hardware, system software, storage, and networking * Basic shell scripting proficiency (Advantageous) * Hands-on experience with backup and recovery technologies * Solid understanding of security principles, compliance standards, and vulnerability management