Senior System Engineer Infrastructure

nivabiz pte. ltd.; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

nivabiz pte. ltd. in Singapore seeks a Senior System Engineer - Infrastructure to manage and enhance its enterprise infrastructure. You will work hands-on with VMware, Hyper-V, Windows Server, Active Directory, and Azure across on-premises and cloud environments.

The role requires expertise in hybrid cloud, backup, recovery, and infrastructure security, with responsibility for projects, troubleshooting, and performance optimization to ensure reliability and availability of critical systems.

Qualifications

• Diploma or Degree in IT, CS, Engineering or related field.
• At least 5 years of relevant IT infrastructure experience.
• Strong hands-on experience with VMware and Hyper-V.

Responsibilities

• Manage and maintain enterprise Windows Server environments across on-premises and Azure infrastructure.
• Administer Active Directory, Group Policy, domain controllers, authentication and identity services.
• Design, implement, and support hybrid cloud integration between on-premises and Azure environments.
• Lead infrastructure upgrades, migrations, deployments, and improvement projects.
• Develop PowerShell scripts and automation to improve operational efficiency.

Skills

VMware

Hyper-V

Windows Server

Active Directory

Azure

Hybrid Cloud

Backup & Recovery

Infrastructure Security

PowerShell

Education

Diploma or Degree in IT/CS/Engineering

Tools

PowerShell

Job description

Job Description

The Company is seeking an experienced Senior System Engineer - Infrastructure to manage, maintain, and enhance its enterprise infrastructure environment.

The successful candidate will have strong hands-on experience in VMware, Hyper-V, Windows Server, Active Directory, Microsoft Azure, hybrid cloud infrastructure, backup and recovery, and infrastructure security.

The role will also be responsible for infrastructure projects, migrations, troubleshooting, performance optimization, and ensuring the reliability and availability of critical systems.

Key Responsibilities

• Manage and maintain enterprise Windows Server environments across on-premises and Microsoft Azure infrastructure.
• Administer Active Directory, Group Policy, domain controllers, authentication, and identity services.
• Manage DNS, DHCP, RADIUS (NPS), Certificate Authority, and related infrastructure services.
• Manage and troubleshoot VMware and Hyper-V virtualization environments.
• Manage Microsoft Azure services, including Azure AD/Microsoft Entra ID, Azure VMs, Azure Backup, Azure Networking, Azure Monitor, and Azure Site Recovery.
• Design, implement, and support hybrid cloud integration between on-premises and Azure environments.
• Implement Azure policies, security controls, governance, access management, and MFA.
• Manage SAN storage and ensure infrastructure availability, capacity, and performance.
• Design and manage enterprise backup and recovery solutions, including NetBackup.
• Perform backup integrity checks and regular recovery testing.
• Monitor infrastructure performance, identify issues, conduct root-cause analysis, and implement corrective actions.
• Implement infrastructure security best practices and support vulnerability remediation.
• Lead infrastructure upgrades, migrations, deployments, and improvement projects.
• Coordinate with vendors and technology partners for infrastructure procurement and implementation.
• Develop PowerShell scripts and automation solutions to improve operational efficiency.
• Maintain infrastructure documentation, operational procedures, and technical standards.
• Provide technical guidance and support to junior engineers and other team members.

Requirements

• Diploma or Degree in Information Technology, Computer Science, Engineering, or a related discipline.
• At least 5 years of relevant experience in IT infrastructure, systems engineering, or system administration.
• Strong hands-on experience with VMware and Hyper-V.
• Strong experience with Windows Server, Active Directory, Group Policy, DNS, and DHCP.
• Experience with Microsoft Azure and hybrid cloud environments.
• Experience with virtualization, SAN storage, backup, disaster recovery, and infrastructure monitoring.
• Knowledge of NetBackup or similar enterprise backup technologies.
• Good understanding of IT infrastructure security, access control, MFA, patching, and vulnerability management.
• PowerShell scripting and infrastructure automation experience will be advantageous.
• Strong troubleshooting, analytical, and problem-solving skills.
• Ability to independently manage infrastructure incidents and projects.
• Good communication and stakeholder management skills.

Employment Type: Full-Time

Position Level: Senior / Experienced Professional

Work Arrangement: On-site / as required by the Company