Senior Systems Engineer

4 days ago

Singapore SCIENTE INTERNATIONAL PTE. LTD. Remote Work Freelance Full time
Job Summary
We are seeking a Senior Systems Engineer with 3-5 years of experience in enterprise infrastructure, skilled in VMware, Windows Server, Linux, Active Directory, and Veeam Backup & Replication. The role requires strong technical expertise to ensure the reliability, scalability, and security of core IT systems.
Mandatory Skill-set
  • 3-5 years of hands-on experience in systems and server administration;
  • Must have strong knowledge of VMware vCenter and virtual machine management (deployment, configuration, optimization);
  • Must have experience with Windows Server and Linux administration;
  • Proficiency in Veeam Backup & Replication (setup, monitoring, recovery testing);
  • In-depth understanding of Active Directory (user/group management, policies, domain services);
  • Solid troubleshooting skills across server, storage, and system platforms;
  • Strong communication and documentation skills.
Desired Skill-set
  • Prior experience in a technical lead role (guiding small teams, handling projects);
  • Certifications such as VMware VCP, Microsoft Certified: Windows Server, Red Hat Certified Engineer (RHCE), or Veeam Certified Engineer;
  • Familiarity with cloud platforms (Azure, AWS, GCP) for hybrid integration;
  • Knowledge of PowerShell, Bash, or Python scripting for automation;
  • Exposure to storage management and system monitoring tools.
Responsibilities
  • Manage and maintain VMware environments including vCenter, ESXi hosts, and virtual machines;
  • Administer and troubleshoot Windows and Linux servers, ensuring high availability and performance;
  • Oversee Active Directory administration including user provisioning, security groups, and GPOs;
  • Implement and manage Veeam backup solutions, including regular testing of recovery processes;
  • Monitor, patch, and secure servers to ensure compliance with organizational standards;
  • Collaborate with cross-functional teams to support IT operations, upgrades, and migrations;
  • Document configurations, processes, and best practices for knowledge sharing;
  • Lead or support infrastructure projects, migrations, and system enhancements;
  • Provide mentorship and guidance to junior engineers when needed.
Should you be interested in this career opportunity, please send in your updated resume to at the earliest.
When you apply, you voluntarily consent to the disclosure, collection and use of your personal data for employment/recruitment and related purposes in accordance with the SCIENTE Group Privacy Policy, a copy of which is published at SCIENTE's website
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Confidentiality is assured, and only shortlisted candidates will be notified for interviews.
EA License No. 07C5639

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