# Endpoint Security Engineer, MS (AL-FNC260602 003/01)

> Xcellink Pte Ltd · Singapore, Singapore · — · Posted 2026-07-20

**Workplace:** on_site

**Department:** Talent Placement

## Description

We are seeking an experienced **Endpoint Security Engineer** to oversee and strengthen enterprise endpoint security operations. This role is responsible for the administration, monitoring, optimization, and continuous enhancement of endpoint protection technologies, with a primary focus on **Microsoft Defender for Endpoint (MDE)**. The successful candidate will play a key role in safeguarding corporate endpoints against emerging cyber threats while collaborating closely with cybersecurity, infrastructure, and operations teams.

### Key Responsibilities

### Endpoint Security Administration

-   Manage, administer, and support **Microsoft Defender for Endpoint (MDE)** across the organization.
-   Configure, deploy, and maintain endpoint security controls, including anti-malware protection, intrusion prevention, firewall policies, and device control configurations.
-   Monitor endpoint security posture and produce regular reports to identify security gaps, compliance issues, and areas for improvement.
-   Oversee the complete lifecycle management of Microsoft Defender agents, including deployment, upgrades, maintenance, and retirement.
-   Plan and execute MDE upgrades and agent rollouts during scheduled maintenance windows while ensuring minimal disruption to business operations.

### Security Operations & Technical Support

-   Provide **Level 2 and Level 3** operational support for endpoint security incidents, service requests, and technical issues.
-   Monitor and investigate endpoint security alerts, security events, and potential threats.
-   Conduct root cause analysis and implement corrective actions to mitigate recurring security issues.
-   Collaborate with infrastructure and security teams to ensure endpoint protection remains effective and aligned with organizational policies.

### IT Service Management

-   Apply ITIL best practices across **Incident Management**, **Problem Management**, and **Change Management** processes.
-   Maintain accurate and detailed records of incidents, investigations, remediation actions, and service requests within the ticketing system.
-   Ensure adherence to established Service Level Agreements (SLAs) and timely closure of assigned tickets.

### Documentation & Knowledge Management

-   Develop, review, and maintain technical documentation, standard operating procedures (SOPs), troubleshooting guides, and knowledge base articles.
-   Create and update operational runbooks to support consistent execution of routine security and support activities.
-   Share knowledge and best practices with internal teams to improve operational effectiveness.

## Requirements

-   Bachelor's Degree in Computer Science, Information Technology, Cybersecurity, Information Security, or a related discipline.

-   Minimum **two years of professional experience** in IT, cybersecurity, or endpoint security operations.
-   At least **one year of hands-on experience with Microsoft Defender for Endpoint (MDE)**.
-   Experience managing or supporting **Host Intrusion Prevention Systems (HIPS)** and **Host Intrusion Detection Systems (HIDS)**.
-   Working knowledge of **Windows and/or Red Hat Linux system administration**.
-   Strong ability to manage multiple priorities in a fast-paced environment, with excellent communication, analytical, and interpersonal skills.
-   Security clearance is required.

### Preferred Qualifications

-   Experience with **Symantec Endpoint Protection Manager (SEPM)** or similar endpoint protection platforms.
-   Knowledge of automation and scripting using languages such as **PowerShell**, **Python**, or similar technologies.
-   Familiarity with endpoint security best practices, threat detection methodologies, and security operations processes.
-   Relevant cybersecurity certifications would be advantageous.

## Apply

[Apply at Xcellink Pte Ltd](https://apply.workable.com/xcellink/j/B307AA87FA/apply)

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