Job description for Senior System Engineer – Infrastructure at NivaBiz Pte Ltd
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
