Cloud Systems Engineer, Windows/Linux (AL-FNC260602 002/01)

Xcellink Pte Ltd; Singapore; Sur place; SGD 70 000 - 90 000; Plein temps

Résumé du poste

Xcellink Pte Ltd in Singapore is seeking a System Engineer to administer Windows and Linux environments, ensure security compliance, and automate tasks with PowerShell and Bash.

You will handle patch management with WSUS, AWS Systems Manager, and patching for RHEL, while developing standard OS images using AWS EC2 Image Builder and related tools.

Join a team that supports 24x7 on-call rotations and ITIL-based processes, document activities, and maintain reliable, secure systems.

Qualifications

• Bachelor's degree in CS/IT/Engineering or related field.
• At least 1 year of systems administration or analysis experience.
• Hands-on with WSUS and RHEL patch management.
• Strong knowledge of Windows Server 2019/2022/2025 and RHEL 8/9.
• Willingness to participate in 24x7 on-call rotation.
• Security clearance is required.

Responsabilités

• Patch management for Windows and Linux servers using WSUS or equivalent.
• Develop and refresh OS images with AWS EC2 Image Builder and related tools.
• Provide Level 2/3 technical support and handle incidents.
• Document tickets and ITIL-based processes and reports.
• Ensure compliance and security across systems.

Connaissances

Scripting (PowerShell, Bash)

Formation

Bachelor's Degree in Computer Science/IT/Engineering

Outils

WSUS

AWS Systems Manager

AWS EC2 Image Builder

AWS Systems Manager Documents

RHEL patch management

Description du poste

We are looking for a dedicated System Engineer with practical experience in administering Windows and/or Linux environments while maintaining system security and compliance with organizational standards. The successful candidate will possess strong technical expertise in operating system installation, configuration, patch management, troubleshooting, security administration, and automation through scripting technologies such as PowerShell and Bash.

Key Responsibilities

Patch Management

• Manage and deploy security patches and updates for Windows and/or Linux servers using tools such as Windows Server Update Services (WSUS), AWS Systems Manager, or similar cloud-based patch management platforms.
• Monitor patch compliance status and prepare reports to support audit, governance, and regulatory requirements.
• Collaborate with application teams, system owners, developers, and infrastructure stakeholders to plan and execute patch deployments during scheduled maintenance windows, including post-deployment validation and system health checks.

Operating System Image Management

• Develop, maintain, and refresh standardized operating system images using tools such as AWS EC2 Image Builder, AWS Systems Manager Documents, and related technologies.
• Incorporate vulnerability assessments and compliance validation procedures into the image creation process to ensure secure and compliant image releases.

Technical Support & Operations

• Deliver Level 2 and Level 3 technical support for incidents, service requests, and operational issues.
• Monitor server performance, system availability, and infrastructure health to ensure reliable and efficient operations.
• Troubleshoot and resolve system-related issues in a timely manner.

IT Service Management

• Apply ITIL-based practices across Incident Management, Problem Management, and Change Management processes.
• Accurately document tickets, investigations, resolutions, and operational activities within the service management platform.
• Adhere to service level agreements (SLAs) and ensure prompt resolution of assigned tickets.

Documentation & Knowledge Sharing

• Develop and maintain technical documentation, standard operating procedures (SOPs), knowledge base articles, and operational guides.
• Create and update runbooks for recurring administrative and operational activities to support operational consistency and efficiency.

Requirements

• Bachelor's Degree in Computer Science, Information Technology, Electrical Engineering, Computing, or a related discipline.
• Minimum one year of experience in systems administration, system analysis, design, or programming.
• Hands-on experience with Windows Server Update Services (WSUS) and Red Hat Enterprise Linux (RHEL) patch management.
• Strong working knowledge of:
• Windows Server 2019, 2022, and 2025
• Red Hat Enterprise Linux (RHEL) 8 and 9
• Willingness to participate in a 24x7 on-call support rotation as part of operational support requirements.
• Security clearance is required

Preferred Qualifications

• Relevant industry certifications, such as AWS Certified SysOps Administrator / Cloud Operations Engineer Associate or equivalent.
• Experience with automation and scripting using languages such as PowerShell, Bash, or similar scripting tools.
• Familiarity with cloud infrastructure and modern system administration best practices.