System Administrator
About this job
Job Overview
We are seeking a System Administrator to manage and support enterprise infrastructure environments, covering server provisioning, system configuration, security hardening, and operational readiness. This role is critical in ensuring systems are stable, secure, and fully compliant before deployment into production.
The ideal candidate will have hands-on experience in system administration, strong exposure to infrastructure environments, and the ability to coordinate across multiple technical teams.
Key Responsibilities
System Administration & Infrastructure
- Provision and configure servers, including virtual machines and OS clustering
- Perform system setup activities such as domain joining, AD/OU configuration, and environment preparation
- Support database setup in collaboration with DBA teams
- Configure load balancers, firewall rules, and system connectivity
Platform & Tool Administration
- Install and configure enterprise tools including monitoring, backup, and system management platforms
- Support onboarding of infrastructure and security tools (e.g., SIEM, EDR, monitoring solutions)
- Manage SSL certificate installation and system-level configurations
Security & Compliance
- Perform vulnerability scans and support remediation activities
- Execute OS hardening and patching prior to production deployment
- Support risk assessment processes and ensure compliance with security policies
- Assist in privileged access management setup (e.g., CyberArk or equivalent)
Testing & Operational Readiness
- Conduct system validation including HA/failover testing
- Perform backup and restoration testing to ensure data integrity
- Support go-live readiness, including checklist completion and approvals
- Prepare and maintain system documentation and operation guides
Coordination & Support
- Collaborate with network, application, DBA, and security teams
- Support change management processes including CAB approvals
- Coordinate with stakeholders to ensure timely delivery of system setup and deployment
Requirements
Technical Skills
- Experience in system administration (Windows/Linux environments)
- Strong knowledge of server setup, virtualization, and clustering
- Familiarity with Active Directory, DNS, and network fundamentals
- Experience with backup, monitoring, and system integration tools
Security & Governance
- Exposure to OS hardening, patching, and vulnerability management
- Familiarity with SIEM, EDR, and security best practices
- Understanding of risk assessment and compliance requirements
Preferred Skills
- Experience with tools such as QRadar, SolarWinds, CyberArk, or similar
- Knowledge of ITIL processes and change management workflows
- Experience in enterprise or regulated environments is an advantage
Key Attributes
- Strong troubleshooting and problem-solving skills
- Detail-oriented with structured approach to system management
- Ability to handle multiple tasks in a fast-paced environment
- Good communication and stakeholder coordination skills
Please send your detailed resume in MS Word format to [email protected] with
- Education Level
- Working experiences
- Each employment background
- Reason for leaving each employment
- Last drawn salary
- Expected salary
- Date of availability
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Frequently asked questions
What salary can I expect?
The employer lists 5 000 – 7 500 $ for this role at GOLDTECH RESOURCES PTE LTD in Singapore. For comparison, the local market median is about 6 085 $ based on 26 065 similar offers.
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