Systems Analyst (Contract Role)

QUESS SELECTION & SERVICES PTE. LTD.; Singapore; On-site; SGD 70,000 - 110,000; Full time

Job summary

QUESS SELECTION & SERVICES PTE. LTD. in Singapore is seeking a Senior Windows Systems Administrator to implement and manage Windows-based infrastructure across the enterprise.

The role covers AD, DNS, DHCP, and server services including IIS, SQL Server, Exchange 2019, and Skype 2019, with on-site duties and after-hours support. The candidate will automate tasks with PowerShell, maintain security and performance, document configurations, and collaborate with cross-functional teams to deliver

Qualifications

• Bachelor's degree in a related field.
• 7+ years of experience administering Windows-based systems and infrastructure.
• Proficiency with Windows Server 2019.
• Strong AD, Group Policy, DNS, and DHCP skills.
• Experience with virtualization (VMware, Hyper-V).
• PowerShell scripting for automation.
• Familiarity with monitoring tools and systems management.
• Excellent problem-solving and communication skills.

Responsibilities

• Implement and manage Windows-based infrastructure and associated technologies.
• Monitor and maintain health, performance, and security of Windows servers and systems.
• Administer Active Directory, Group Policy, DNS, DHCP, and related services.
• Configure and troubleshoot virtualization platforms (VMware, Hyper-V).
• Install, configure, and manage Windows servers and services (IIS, SQL Server, Exchange 2019, Skype 2019).
• Collaborate with cross-functional teams to implement and support enterprise-wide solutions.
• Perform routine system and application updates, patches, and upgrades.
• Develop and maintain documentation related to system configurations and procedures.
• Provide level 2 and level 3 support for Windows-related issues.
• Participate in on-call rotation for after-hours support.

Skills

Windows Server

Active Directory

Group Policy

DNS / DHCP

PowerShell

Scripting

VMware

Hyper-V

Troubleshooting

Documentation

On-call support

Communication skills

Education

Bachelor's degree in a relevant field

Tools

VMware

Hyper-V

SCVMM

NetBackup

Data Domain

Nutanix HCI

Avaya

Job description

Key Responsibilities

• Implement and manage Windows-based infrastructure and associated technologies.
• Monitor and maintain the health, performance, and security of Windows servers and systems.
• Administer Active Directory, Group Policy, DNS, DHCP, and related services.
• Configure and troubleshoot Hypervisor Nutanix virtualization platforms (e.g., VMware, Hyper-V).
• Install, configure, and manage Windows servers and services, including IIS,SQL Server, Exchange 2019 and Skype 2019
• Collaborate with cross-functional teams to implement and support enterprise-wide solutions.
• Perform routine system and application updates, patches, and upgrades.
• Develop and maintain documentation related to system configurations, processes, and procedures.
• Provide level 2 and level 3 support for Windows-related issues.
• Participate in on-call rotation for after-hours support as needed.

Qualifications

• Bachelor's degree in a relevant field.
• At least 7 years of experience in administering Windows-based systems and infrastructure.
• Proficiency in Windows Server operating systems (2019).
• Strong understanding of Active Directory, Group Policy, DNS, and DHCP.
• Experience with virtualization platforms such as VMware and Hyper-V.
• Knowledge of scripting languages (e.g., PowerShell) for automation and scripting tasks.
• Familiarity with monitoring tools and systems management solutions.
• Excellent problem-solving and troubleshooting skills.
• Strong communication and interpersonal abilities.
• Certifications such as MCSE, MCSA, or equivalent are a plus.

Preferred Skills

• Microsoft System Center Suite (SCVMM, SCOM, SCCM, WSUS)
• Exchange 2019 and Skype 2019 administration
• Netbackup 10.x and Data Domain for backup and recovery solutions
• Nutanix HCI for virtualization and storage solutions
• Avaya for vulnerability assessment