Senior System Administrator

Management Development Institute of Singapore
Singapore
SGD 60,000 - 80,000
Job description

Responsibilities:

  • Ensure the efficient and effective operation of all network and server equipment, including the maintenance, upgrades, and installation of network and server components.
  • Administer and manage servers, Networking Switches, routers, Firewall, workstations, and network infrastructure to ensure smooth operations.
  • Manage and maintain existing server hardware and software to ensure they remain operational and up to date.
  • Perform regular updates, patches, and security assessments to keep servers and systems secure.
  • Safeguard the integrity of company data by configuring firewalls, antivirus software, and other security measures.
  • Conduct periodic system maintenance, plan for application upgrades, and provide training to users as needed.
  • Troubleshoot complex technical issues, including network connectivity, software problems, and hardware failures.
  • Oversee the configuration and management of network infrastructure, including switches, routers, and VPNs.
  • Microsoft 365 and AD Administrator.
  • Implement and manage security protocols to protect systems and data from unauthorized access and cyber threats.
  • Manage backup and disaster recovery plans, conduct system audits, and analyze system performance.
  • Ensure compliance with data backup protocols and security measures, ensuring Institute data is protected with robust, regularly updated solutions.

Requirements:

  • Diploma or Bachelor’s Degree in Computer Science, Computer Engineering, Information Technology, or a related field.
  • At least 5 years of relevant work experience in end-user and network support.
  • Good technical background in networking (switches, routers, firewalls), Windows and Linux systems, and databases.
  • Basic knowledge of programming and scripting is a plus.
  • Strong troubleshooting skills in computer peripherals, LAN/WAN, and infrastructure knowledge.
  • Self-motivated, proactive, and adaptable, with good practices in general IT and end-user support.
  • Ability to respond promptly to service issues and requests, demonstrating analytical and problem-solving skills.
  • Capable of collaborating with external parties (stakeholders, vendors, and service providers) to achieve results.
  • Proficient in prioritizing tasks effectively and able to work both as part of a team and independently with minimal supervision.
  • Experience in compliance documentation.
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