IT Security & Systems Administrator (Group)

DOMINION ENTERPRISES GLOBAL PTE. LTD.; Singapore; On-site; SGD 50,000 - 70,000; Full time

Job summary

A technology solutions provider in Singapore seeks motivated IT Security Administrators to manage Microsoft 365 security. Responsibilities include overseeing security posture, monitoring alerts, and managing vulnerabilities. Candidates should have 1–2 years of experience, a relevant diploma or degree, and proven expertise in Microsoft 365 tools like Intune and Defender. Open to residents of Singapore, the role offers opportunities for career growth and learning in a dynamic environment.

Benefits

Long-term career opportunities

Regional exposure

Inclusive environment for learning

Qualifications

• 1–2 years of working experience in IT security.
• Proven experience in using Intune and Defender for Microsoft 365.
• Strong understanding of email security threat configurations.

Responsibilities

• Oversee Microsoft 365 ecosystem focusing on security posture.
• Monitor security alerts and manage asset inventory.
• Enforce security baselines and ensure mail flow operations.

Skills

Microsoft 365 administration

Vulnerability management

Incident response

Identity protection

Adaptability

Education

Diploma or Degree in IT, Computer Science, or Cybersecurity

Tools

Microsoft Intune

Microsoft Defender

Microsoft Exchange

Job description

We are looking for motivated and proactive IT Security Administrators to oversee our client’s Microsoft 365 ecosystem, with a specific focus on security posture and device management across the region.

This role involves managing the full lifecycle of our M365 tenant, from securing endpoints with Defender/Intune to managing identity with Entra ID and compliance with Purview along with other ad‑hoc tasks.

Key tasks include monitoring security alerts daily, managing asset inventory, enforcing security baselines (AV, encryption), and ensuring smooth mail flow operations in Microsoft Exchange.

You will actively hunt for vulnerabilities, manage user identities, and maintain compliance standards to support the client organization’s security framework.

Why Join Us

• Build a long‑term Career with the Group
• Gain regional exposure
• We provide an opportunity to those whom are always being overlooked & not given an opportunity.

Requirements

• At least 1–2 years of working experience.
• Diploma or Degree in IT, Computer Science, or Cybersecurity.
• Proven experience in Microsoft 365 administration (specifically Intune, Defender, and Exchange).
• Strong understanding of vulnerability management, incident response, and identity protection (MFA/Conditional Access).
• Ability to manage configurations for email security threat and alert policies (Anti‑phishing, Anti‑spam).
• Ability to adapt, learn and grow with the company and client’s requirements.
• Open to Singaporeans, PRs, and Malaysians and all residing in Singapore who are motivated to excel, obtain wide learning/experience.