Enterprise System Administrator

System Engineer

We are seeking a highly skilled System Engineer to manage, support, and maintain our IT systems and infrastructure. The ideal candidate will have strong hands-on technical expertise, excellent troubleshooting skills, and the ability to operate in mission-critical environments with security and compliance requirements.

Key Responsibilities:

• Manage, monitor, and maintain servers, virtualization platforms, storage devices, firewalls, and related infrastructure.
• Install, configure, test, and maintain operating systems (Windows Server, RHEL), middleware, application software, and system management tools.
• Perform system upgrades, patch management, capacity planning, and performance tuning.

Day 2 Operations & Support:

• Provide operational support for Microsoft Windows, Linux, VMware, and middleware platforms.
• Respond to and resolve infrastructure and system incidents, escalating where necessary.
• Participate in on-call support rotations and provide timely incident response.
• Conduct daily health checks, log reviews, and preventive maintenance activities.

Security & Compliance:

• Perform security hardening and testing based on CIS benchmarks and Singapore Government security standards.
• Manage user accounts, access controls, password resets, and system roles securely.
• Ensure compliance with IT governance, audit, and regulatory requirements.
• Support disaster recovery planning, testing, and execution.

Collaboration & Projects:

• Participate in the design and implementation of new infrastructure solutions and enhancements.
• Liaise with vendors, service providers, and internal teams to resolve issues and deliver solutions.
• Support IT audits, capacity planning, and documentation of infrastructure standards and procedures.

Patch Management & Upgrades:

• Test, stage, and deploy OS patches, firmware updates, and COTS/middleware upgrades.
• Apply change management best practices for controlled deployment of fixes and enhancements.

Hardware & Platform Support:

• Support and maintain enterprise-grade hardware: Dell servers, Cisco switches, FortiGate firewalls, UPS, storage (Dell EMC), and power management.
• Manage and troubleshoot enterprise platforms such as middleware & integration, databases & data services, GIS & applications, and security tools.

Documentation & Continuous Improvement:

• Maintain SOPs, system diagrams, maintenance logs, and incident reports.
• Generate reports on incidents, performance, and preventive actions.
• Propose automation and reliability improvements to strengthen system resilience.

Requirements:

• Must be a Singapore Citizen.

Education & Certification:

• Diploma / Bachelor's Degree in Computer Science, Information Technology, or equivalent.
• Relevant certifications (preferred but not mandatory): MCSE, RHCSA/RHCE, VMware VCP, ITIL Foundation.

Experience & Skills:

• At least 3–5 years of combined experience in system administration and infrastructure support.
• Strong knowledge of Windows Server, RHEL, VMware, and enterprise hardware (servers, storage, networking).
• Hands-on experience with backup and recovery solutions, firewalls, and middleware platforms.
• Familiarity with container platforms, DevOps tools, and IT monitoring stacks.
• Working knowledge of ITIL processes.

Soft Skills:

• Strong analytical and troubleshooting skills.
• Positive attitude, initiative, and passion for operational support.
• Good communication and collaboration skills.
• Able to work independently and under pressure.
• Willingness to work on-call, perform shift duties, and respond promptly in critical situations.

Reliability is key. Ability to implement and enforce security protocols is essential.

Qualifications:

• MCSE
• RHCSA
• VCP
• ITIL

Skills:

• Troubleshooting
• Hardware
• Change Management
• VMware
• Networking
• Operating Systems
• ITIL
• Disaster Recovery
• Virtualization
• Linux

Reliable candidates only apply.

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