Wintel Servers + Active Directory (AD) System Analyst

PERCEPT SOLUTIONS PTE. LTD.; Singapore; On-site; SGD 50,000 - 90,000; Full time

Job summary

An innovative firm is on the lookout for a skilled System Analyst specializing in Wintel servers and Active Directory. This role is pivotal in enhancing security measures, ensuring compliance with Microsoft standards, and collaborating with various technical teams. The ideal candidate will possess hands-on experience in server configuration analysis and Windows OS hardening, playing a vital role in safeguarding the organization’s IT infrastructure. If you are detail-oriented and passionate about improving security postures, this opportunity is perfect for you.

Qualifications

• Strong knowledge of Microsoft Active Directory architecture and domain-level policy controls.
• Proven expertise in Group Policy management and security hardening methodologies.

Responsibilities

• Perform comprehensive scanning of Wintel servers for configuration discrepancies.
• Design and maintain Active Directory baseline Group Policy Objects (GPOs).
• Conduct Windows OS hardening with minimal business impact.

Skills

Microsoft Active Directory

Group Policy Management

Windows OS Hardening

Server Configuration Analysis

Troubleshooting Skills

Tools

Windows Defender Firewall

TCP/IP Networking

Job description

We are seeking a skilled and detail-oriented System Analyst specializing in Wintel servers and Active Directory (AD) to join our IT infrastructure team. The ideal candidate will have hands-on experience with server configuration analysis, Windows OS hardening, and the implementation of Microsoft-recommended security baselines. You will play a critical role in improving our security posture, maintaining compliance standards, and collaborating across technical and business teams to support project execution.

Key Responsibilities:

• Perform comprehensive scanning of Wintel servers to identify and analyze configuration discrepancies across server groups.

• Apply Microsoft-recommended security configurations based on vulnerability and configuration scan reports.

• Ensure servers are compliant with Microsoft security baselines and internal Sands standards.

• Design, implement, and maintain Active Directory baseline Group Policy Objects (GPOs) in alignment with the least privilege model and AD tiering model.

• Implement and troubleshoot User Rights Assignments, Restricted Groups, and Windows Firewall rules.

• Conduct Windows OS hardening with minimal business impact, ensuring reliability and security.

Collaborate with:

• Microsoft Engineers for technical escalations and guidance.

• Enterprise Architects for design governance and validation.

• IT Operations Teams for integration and deployment support.

• Project Managers to coordinate activities with application owners and business stakeholders.

• Adhere to established change management processes and documentation standards.

Qualifications & Requirements:

• Strong knowledge of Microsoft Active Directory architecture including OU design, ACLs, and domain-level policy controls.

• Proven expertise in Group Policy management and security hardening methodologies.

Practical experience with:

• User Rights Assignments

• Restricted Groups

• Windows Defender Firewall policy settings

• Experience with server configuration analysis tools and data-driven discrepancy resolution.

• Deep understanding of Microsoft Enterprise Secure Access Model (AD Tiering Model) and Credential Guard.

• Familiarity with security frameworks such as CIS, NIST, or similar standards.

• Working knowledge of TCP/IP networking in Windows environments.

• Strong troubleshooting skills for Windows OS-level configuration and security issues.

• Ability to work collaboratively in cross-functional technical teams under a structured project management framework.

• Excellent communication and documentation skills.

EA Licence No.:18S9405 / EA Reg. No.:R1330864

Percept Solutions is expanding and actively seeking talented individuals. We encourage applicants to follow Percept Solutions on LinkedIn at https://www.linkedin.com/company/percept-solutions/ to stay informed about new opportunities and events.