Infrastructure and System Engineer

1 day ago

Singapore TESCOM (SINGAPORE) SOFTWARE SYSTEMS TESTING PTE LTD. Full time

Key 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

  • Diploma / Bachelor's Degree in Computer Science, Information Technology, or equivalent
  • 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).

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