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

United States Digital Space LLC; Singapore; On-site; SGD 42,000 - 68,000; Full time

Job summary

United States Digital Space LLC is seeking a Patch Management professional to manage patches for Windows and Linux servers, create and refresh OS images, and deliver Level 2/3 technical support. You will ensure compliance, participate in 24x7 on-call rotations, and contribute to incident and change management.

The role requires a degree in a related field and hands-on WSUS and RHEL patching experience. Ideal candidates will have AWS Systems Manager experience and scripting skills with PowerShell

Qualifications

• Bachelor's degree in CS/IT/EE/Computing or related discipline.
• Minimum one year of experience in systems administration, analysis, design, or programming.
• Hands-on WSUS and RHEL patch management experience.
• Strong knowledge of Windows Server 2019/2022/2025 and RHEL 8/9.
• Willing to participate in 24x7 on-call support rotation and security clearance.

Responsibilities

• Patch management for Windows and Linux servers using WSUS, AWS Systems Manager, or similar platforms.
• Monitor patch compliance and prepare audit/gov reports.
• Collaborate with teams to plan patch deployments during maintenance windows and perform post-deployment validation.
• Develop and refresh OS images using AWS Image Builder and Systems Manager Documents, ensuring security and compliance.
• Provide Level 2/3 technical support and manage ITIL-based Incident, Problem, Change Management.
• Document tickets and runbooks, adhere to SLAs, and share knowledge via SOPs and KB.

Skills

Systems administration experience

On-call rotation willingness

Collaboration with teams

Education

Bachelor's Degree in CS/IT/EE/Computing

Tools

WSUS

RHEL patch management

AWS Systems Manager

AWS EC2 Image Builder

PowerShell

Bash

Job description

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.