IT Security Operations Specialist

Optimum Solutions Pte Ltd
Full-time Singapore, SG.01 Other-General
Posted:
February 21, 2026
Location:
Singapore, SG.01, Singapore

Job Description

Responsibilities
Security Operations & System Management
Perform regular operating system patching across all environments
Manage enterprise password policies and credential renewal processes
Conduct vulnerability assessments and coordinate remediation activities
Monitor and maintain endpoint protection and antivirus solutions
Maintain accurate server inventory and asset records within the TechLens platform
Certificate & Lifecycle Management
Manage the end-to-end lifecycle of SSL certificates, including timely renewals
Track and report system End-of-Life (EOL) and End-of-Support (EOS) statuses
Coordinate system upgrades or replacements for EOL/EOS components
Access Control & Security Monitoring
Perform periodic User Access Reviews (UAR)
Monitor, investigate, and respond to failed login attempts and access anomalies
Manage privileged access rights and permissions
Review and analyze security logs to identify potential threats or incidents
R...

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Job Overview

Job Type: Full-time
Location: Singapore, Singapore
Posted: February 21, 2026
Deadline: April 02, 2026