Senior System Engineer
Summary
Maintain and secure enterprise servers, virtualization platforms, and network infrastructure, ensuring high availability and compliance with proactive monitoring and patching.
Responsibilities
Systems & Infrastructure Maintenance
Maintain and support enterprise servers, endpoints, virtualization platforms and network infrastructure.
Perform routine hardware and infrastructure maintenance.
Administer Windows Server, Linux and virtualized environments.
Ensure high system availability, reliability and service continuity.
Perform routine health checks and preventive maintenance activities.
Preventive Maintenance & Monitoring
Perform scheduled system maintenance, operating system patching and firmware updates.
Monitor server, storage and infrastructure health using monitoring tools.
Review system logs and alerts to identify potential issues proactively.
Verify backup jobs and perform restoration testing.
Monitor system capacity and recommend improvements before service degradation occurs.
Incident Response & Troubleshooting
Diagnose and resolve server, operating system, virtualization and network-related issues.
Provide Level 1 to Level 3 infrastructure support where applicable.
Respond to incidents, outages and service disruptions within SLA.
Perform root cause analysis and implement corrective and preventive actions.
Escalate complex issues to vendors where necessary.
Cybersecurity & Access Management
Perform Windows and Linux security patching.
Apply security hardening policies and system configuration baselines.
Monitor system vulnerabilities and security risks.
Manage Active Directory accounts, security groups and access permissions.
Support cybersecurity compliance, vulnerability remediation and audit activities.
System Administration & Configuration
Administer and maintain:
VMware vCenter and ESXi
Windows Server
Red Hat Enterprise Linux (RHEL)
Active Directory / Domain Services
Veeam Backup & Replication
Deploy, configure and maintain enterprise applications and infrastructure services.
Maintain server configurations and system standards.
Backup & Disaster Recovery
Administer and monitor Veeam Backup & Replication.
Perform backup verification and restoration testing.
Support disaster recovery planning and recovery exercises.
Ensure backup policies comply with business requirements.
Documentation & Asset Management
Maintain infrastructure documentation and Standard Operating Procedures (SOPs).
Maintain hardware and software asset inventories.
Update network diagrams, system architecture documentation and configuration records.
Record incidents, maintenance activities and change records.
Change Management & Continuous Improvement
Support system upgrades, migrations and infrastructure enhancement projects.
Implement approved changes following change management procedures.
Identify recurring issues and recommend long-term improvement initiatives.
Optimize infrastructure performance, availability and operational efficiency.
Vendor & Contract Management
Coordinate with hardware, software and maintenance vendors.
Manage warranty claims, repairs and maintenance contracts.
Monitor vendor performance against agreed Service Level Agreements (SLAs).
Evaluate technical solutions and recommend infrastructure improvements.
Requirements
Experience supporting Windows and Linux operating systems, including OS patching and system hardening.
Minimum 3-5 years of experience in Systems Maintenance, Infrastructure Support, System Administration or IT Operations.
Hands-on experience with VMware vCenter, ESXi, Red Hat Enterprise Linux (RHEL), Veeam Backup & Replication.
Knowledge of Active Directory, virtualization, backup and recovery, and enterprise server infrastructure.
Basic understanding of networking concepts (TCP/IP, DNS, DHCP, VLANs and switching).
Strong troubleshooting, root cause analysis and incident management skills.
Good communication and documentation skills, with the ability to work independently and coordinate with vendors.
Willing to participate in standby or after-office-hours support when required.
If you are keen, please email your updated resume to daisylyn.jocson@tg-hr.com
EA License no.14C7275/Registration no. R1434860
Please take note that only shortlisted candidate will be contacted. Thank you.