L3 System Engineer

Job description

About Us At Logicalis Asia Pacific, this is where you belong, grow, and thrive — at one of APAC's leading AI-driven technology integrators. As the Architects of Change™, we combine global expertise with local insight to help organisations accelerate their journey toward becoming AI-ready enterprises. With 7,000+ professionals across 30 territories and more than 10,000 clients worldwide, we deliver lifecycle services across cloud, connectivity, collaboration, cybersecurity, and managed services — providing real-time visibility and intelligence across our clients' digital ecosystems. You'll belong as part of a collaborative regional team embedded within a global organisation. You'll grow through hands-on experience with the world's leading technology partners, supported by investment in certifications, consulting capability, and cross-border opportunity. And you'll thrive in a culture built on inclusion, trust, and continuous improvement. Logicalis is proud to be a Great Place to Work® Certified™ organisation across multiple APAC markets — because the commitment we bring to our clients belongs equally to our people. Join us and help shape the future of technology across APAC. 1. L3 Infrastructure Support - Provide L3 technical support for complex infrastructure incidents escalated from L1/L2 teams. - Troubleshoot complex server, virtualisation, storage, backup, and compute issues. - Perform detailed technical analysis of system logs, performance metrics, configurations, and infrastructure events. - Lead troubleshooting for major incidents and critical infrastructure outages. - Perform Root Cause Analysis (RCA) and identify permanent corrective actions. - Provide technical guidance and mentoring to L1/L2 engineers. - Ensure incidents are resolved within agreed SLA. 2. VMware Virtualisation - Administer and troubleshoot enterprise VMware vSphere, ESXi and vCenter environments. - Support VMware clusters, HA, DRS, vMotion and virtual networking. - Troubleshoot VM CPU, memory, storage and network performance issues. - Perform ESXi host and VMware Tools upgrades. - Support VM provisioning, migration, snapshots and lifecycle management. - Troubleshoot ESXi host, vCenter and cluster-related issues. - Perform VMware capacity planning and resource optimisation. - Participate in VMware platform upgrades and migration projects. 3. Cisco UCS - Manage and troubleshoot Cisco UCS infrastructure. - Support UCS Manager, Fabric Interconnects, chassis, blades and service profiles. - Troubleshoot UCS connectivity, hardware, firmware and performance issues. - Perform UCS firmware upgrades and infrastructure maintenance. - Work with Cisco TAC on complex hardware and platform issues. - Support UCS integration with VMware and enterprise storage environments. 4. NetApp Storage - Manage and troubleshoot NetApp storage infrastructure. - Support storage provisioning, volumes, LUNs, aggregates and storage connectivity. - Troubleshoot storage performance, capacity and connectivity issues. - Support NFS, CIFS/SMB and SAN environments where applicable. - Monitor storage capacity and performance. - Perform storage configuration changes, upgrades and lifecycle activities. - Work with NetApp support on complex storage incidents. 5. Backup & Recovery NetBackup - Administer and troubleshoot Veritas NetBackup environments. - Troubleshoot backup failures, media issues, policy configuration and backup performance. - Monitor backup jobs and ensure backup compliance. - Perform backup and recovery troubleshooting. - Support backup infrastructure upgrades and maintenance. Veeam - Administer and troubleshoot Veeam Backup & Replication. - Configure and maintain backup jobs and policies. - Troubleshoot backup and replication failures. - Support VM recovery, file-level recovery and disaster recovery activities. - Monitor backup health and capacity. - Perform Veeam upgrades and infrastructure maintenance. 6. Disaster Recovery - Support enterprise Disaster Recovery (DR) infrastructure and processes. - Participate in regular DR exercises and recovery testing. - Validate backup integrity and recovery capability. - Troubleshoot replication and recovery issues. - Maintain DR documentation, recovery procedures and runbooks. - Support business continuity and disaster recovery initiatives. 7. Server & Operating System Support - Support enterprise physical and virtual server infrastructure. - Troubleshoot Windows Server and infrastructure-related issues. - Support server provisioning, upgrades, patching and decommissioning. - Analyse CPU, memory, disk, network and OS performance. - Work with hardware vendors on server-related incidents. - Ensure servers comply with corporate security and configuration standards. 8. Infrastructure Patching & Upgrades - Plan and execute infrastructure patching and upgrade activities. - Perform VMware ESXi, VMware Tools, Cisco UCS and storage upgrades. - Coordinate patching activities with application and infrastructure owners. - Perform pre-change and post-change validation. - Develop implementation and rollback plans. - Ensure changes are implemented according to approved Change Management procedures. 9. Incident & Problem Management - Take ownership of complex and critical infrastructure incidents. - Participate in Major Incident Management and technical bridge calls. - Perform detailed RCA for critical and recurring incidents. - Identify permanent solutions to recurring infrastructure issues. - Maintain technical knowledge articles and troubleshooting guides. - Drive Problem Management activities to improve infrastructure stability. Technology| Required Skills VMware| vSphere, ESXi, vCenter, HA, DRS, vMotion, virtual networking Cisco UCS| UCS Manager, Fabric Interconnects, Blades, Service Profiles, Firmware NetApp| Storage, SAN/NAS, NFS, SMB, LUN, Capacity & Performance NetBackup| Backup policies, troubleshooting, recovery, media management Veeam| Backup & Replication, VM backup, recovery, replication Windows Server| Administration, troubleshooting, patching, performance PowerShell| Scripting and infrastructure automation Qualifications & Experience - Diploma or Degree in Computer Science, Information Technology, Engineering or related discipline. - 5–8+ years of experience in enterprise infrastructure/system engineering. - Strong hands-on experience with VMware environments. - Hands-on experience with Cisco UCS. - Good experience with NetApp storage. - Strong experience with either NetBackup and/or Veeam. - Experience supporting large-scale enterprise or multi-site environments. - Experience with ITIL Incident, Problem and Change Management. - VMware VCP, Cisco, NetApp, Veeam or relevant infrastructure certifications are advantageous. Key Competencies - Strong L3 troubleshooting and analytical skills. - Excellent problem-solving capabilities. - Strong ownership and accountability. - Ability to independently troubleshoot complex infrastructure issues. - Strong communication and stakeholder-management skills. - Ability to work under pressure during major incidents. - Strong documentation and reporting skills. - Proactive approach to infrastructure monitoring and improvement. Working Environment - Support enterprise and regional infrastructure environments. - Participate in on-call and after-hours support where required. - Support planned maintenance and infrastructure changes outside business hours. - Participate in Major Incident Management. - Work closely with network, security, application and vendor teams. - Support regional/global teams across different time zones. - Occasional travel to data centres or offices may be required. - Work location will be in Iskandar Puteri, Johor Interested applicants are invited to apply via our careers portal. Only shortlisted candidates will be notified. As part of our recruitment process, we collect and process personal data relating to job applicants. By submitting your application, you consent to the coll