IT System Administrator

apartmentPARK AND PARTNERS CONSULTANCY Pte Ltd placeGeylang scheduleFull-time calendar_month 

Our client is a technology-driven organisation supporting innovative payment solutions. They are seeking a skilled and hands-on System Administrator to manage and support a hybrid infrastructure environment, covering both on-premises systems and cloud platforms.

This role is critical in ensuring the reliability, security, and scalability of systems that support business-critical payment operations.

Key Responsibilities

Infrastructure Management
  • Administer, monitor, and maintain on-premises servers, storage, and network systems.
  • Manage cloud environments (AWS and/or Azure), including provisioning, configuration, optimisation, and performance monitoring.
  • Ensure high availability and stability of systems supporting payment operations.
Security & Compliance
  • Implement and maintain security best practices across on-prem and cloud environments.
  • Manage access controls, identity management, and audit logs.
  • Perform regular patching, vulnerability assessments, and compliance checks (e.g. PCI DSS).
System Monitoring & Troubleshooting
  • Monitor system health and performance using appropriate monitoring tools.
  • Troubleshoot and resolve hardware, software, and network issues in a timely manner.
  • Conduct root-cause analysis and implement long-term preventive solutions.
Backup & Disaster Recovery
  • Design, implement, and maintain backup and disaster recovery strategies.
  • Regularly test recovery procedures to ensure business continuity.
Automation & Optimisation
  • Develop and implement automation scripts to improve operational efficiency.
  • Optimise system performance and cloud cost utilisation.
Collaboration & Support
  • Work closely with DevOps, Security, and Application teams on deployments and upgrades.
  • Provide technical support and guidance to internal stakeholders.
Requirements
  • Bachelor’s degree in Computer Science, Information Technology, or a related discipline.
  • At least 5 years of experience in system administration, with exposure to both on-premises and cloud environments.
  • Strong hands-on experience with Windows and/or Linux servers, virtualisation (VMware, Hyper-V), and networking fundamentals.
  • Proficiency in managing AWS or Azure cloud services.
  • Familiarity with security standards and compliance frameworks (e.g. PCI DSS).
  • Strong troubleshooting, analytical, and problem-solving skills.
  • Experience with automation tools such as PowerShell, Bash, or Ansible is an advantage.

Only shortlisted candidates will be contacted.

Shirley Tan (EA Licence: 25S2710 /Registration ID: R21103665)

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