Technical Support Specialist

Employment Type: 1 year contract (Renewable)

Working Days/Hours: Monday to Friday (8.30am - 6pm) (Occasion after office support hours are required)

Location: Changi Airport

Eligibility: Singaporeans/Singaporean PRs ONLY

Responsibilities

• Maintain and administer Windows servers and domain environments to ensure system stability and security
• Support VMware vSphere and other virtualization platforms to optimize virtual infrastructure performance
• Configure, maintain, and troubleshoot routers, switches, firewalls, and LAN environments to sustain network reliability
• Provide Level 1 and Level 2 support for network, hardware, system, and performance issues to minimize downtime
• Monitor IT infrastructure using SolarWinds and other tools to detect and investigate anomalies proactively
• Perform system health checks, validate backups, execute recovery procedures, and troubleshoot system faults
• Support installation, maintenance, upgrades, testing, and operational recovery of IT systems to maintain service continuity
• Support airport operational systems by ensuring high availability and prompt incident resolution
• Manage incidents, escalations, and service restoration following established procedures to reduce impact
• Coordinate with internal teams, vendors, and stakeholders during incidents and scheduled maintenance for effective communication
• Implement basic firewall and access-control changes to maintain network security
• Maintain accurate network diagrams, Standard Operating Procedures (SOPs), technical documentation, and change records for compliance and knowledge sharing
• Follow ITIL best practices and operational procedures to ensure consistent service delivery
• Participate in after-hours, standby, or shift support as required to provide continuous IT support

Preferred competencies and qualifications

• Diploma or Degree in Computer Science, IT, or related field
• CCNA certification is an advantage
• Microsoft, VMware, Cisco, or ITIL certifications is an advantage
• Familiarity with Palo Alto, Fortinet, SolarWinds, or similar technologies
• Basic SQL/database knowledge
• 2–3 years of experience in IT, infrastructure, or systems support
• Experience with networking, Windows servers, virtualization, firewalls, or infrastructure support
• Experience in 24x7, mission-critical, airport, aviation, or large-scale environments
• Customer-facing or stakeholder coordination experience
• Willingness to learn and support multiple technologies