Infrastructure & Systems Engineer (AMK)

MAESTRO HUMAN RESOURCE PTE. LTD.; Singapore; On-site; SGD 60,000 - 80,000; Full time

Job summary

A leading tech firm in Singapore is seeking a skilled Infrastructure & Systems Engineer to manage and support IT systems. The role requires strong hands-on technical expertise, troubleshooting skills, and the ability to operate in a 24/7 critical environment. The ideal candidate will have 3-5 years of experience with systems management in Windows and Linux environments and a passion for operational support.

Qualifications

• 3-5 years of experience in system administration and infrastructure support.
• Strong knowledge of enterprise hardware, networking, and firewall solutions.
• Familiarity with container platforms and ITIL processes.

Responsibilities

• Manage and maintain IT systems and infrastructure.
• Provide support for Microsoft Windows, Linux, and VMware platforms.
• Ensure compliance with security and regulatory requirements.

Skills

Windows Server

RHEL

VMware

Analytical skills

Troubleshooting

Collaboration

Education

Diploma / Bachelor’s Degree in Computer Science or Information Technology

Tools

GitLab

Grafana

Ansible

Job description

We are seeking a skilled and proactive Infrastructure & Systems Engineer to manage, support, and maintain a broad range of 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 24/7 environments with security and compliance requirements.

Responsibilities

• 1. Systems & Infrastructure Management
  • 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.
• 2. Day 2 Operations & Support
  • Provide enterprise-wide operational support for Microsoft Windows, Linux, VMware, and middleware platforms.
  • Respond to and resolve infrastructure and system incidents, escalating where necessary.
  • Participate in 24/7 on-call support rotations and provide timely incident response.
  • Conduct daily health checks, log reviews, and preventive maintenance activities.
• 3. 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.
• 4. Collaboration & Projects
  • Participate in the design and implementation of new infrastructure solutions and enhancements.
  • Liaise with vendors, service providers, and internal IT teams to resolve issues and deliver solutions.
  • Support IT audits, capacity planning, and documentation of infrastructure standards and procedures.
• 5. 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.
• 6. 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: IBM MQ, IBM ACE, Kafka, WebSphere
    • Databases & Data Services: MS SQL, MongoDB
    • GIS & Applications: ArcGIS, Elastic Stack, Rocket.Chat
    • Security Tools:Symantec, Carbon Black EDR, CipherTrust, Keycloak, Fortify WebInspect
    • DevOps & Monitoring: Grafana, Prometheus, GitLab Enterprise, Ansible, OpenShift, Red Hat Satellite
• 7. 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

Eligibility

• 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 / Microsoft Certified Solutions Expert
  • RHCSA / RHCE (Red Hat)
  • 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 (OpenShift/Kubernetes), DevOps tools (Ansible, GitLab), and IT monitoring stacks (Grafana, Prometheus).
• Working knowledge of ITIL processes (incident, change, and problem management).

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.