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

Xcellink Pte Ltd

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Work arrangement
On-site
Occupation
Software & IT
Location
Singapore, Singapore, SG
Compensation
Not disclosed
Apply by
April 14, 2027

About this role

We are looking for a dedicatedSystem Engineerwith 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 asWindows 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 asAWS 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

  • DeliverLevel 2 and Level 3technical 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 acrossIncident Management,Problem Management, andChange Managementprocesses.
  • 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.
  • Minimumone year of experiencein systems administration, system analysis, design, or programming.
  • Hands-on experience withWindows Server Update Services (WSUS)andRed 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 a24x7 on-call support rotationas part of operational support requirements.
  • Security clearance is required

Preferred Qualifications

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