Virtualisation & OS Engineer (L3)

NTT Limited; Cyberjaya; On-site; MYR 180,000 - 300,000; Full time

Job summary

NTT DATA in Malaysia is seeking a Virtualization & OS Engineer to lead the full lifecycle of virtualized server environments across on-premises platforms in a fast-paced managed services setting.

You will handle VM provisioning, cluster management, OS configuration, patching, security hardening and automation-driven improvements. The role emphasizes strong virtualization expertise and enterprise security practices.

Qualifications

• Extensive experience in managing virtualized server environments.
• Strong knowledge of Windows and Linux OS administration.
• Proficiency with CIS hardening and patching.
• Experience with automation and IaC pipelines.

Responsibilities

• Provision and configure virtual machines per defined standards.
• Manage hypervisor clusters and vCenter RBAC.
• Administer Windows Server and Linux OS; patching and hardening.
• Manage user accounts, SSH keys, and certificate lifecycle.
• Configure virtual networking (vSwitch, VLAN) within hypervisors.
• Build OS images and PXE-based re-imaging pipelines.
• Maintain services (file sharing, print server, SFTP) and security posture.
• Deploy and maintain log collection agents; respond to incidents.
• Contribute to automation runbooks and change management.

Skills

Hypervisor administration

vCenter management

VM provisioning

OS re-imaging

Windows Server administration

Linux administration

CIS hardening

Infrastructure as code

Git workflows

Tools

Terraform

Ansible

Git

vSphere client

WDS

Job description

Make an impact with NTT DATA Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion – it’s a place where you can grow, belong and thrive.

ABOUT THE ROLE

We are looking for Virtualization & OS Engineers to join our infrastructure team. You will be responsible for the full lifecycle of virtualized server environments and operating systems across on-premises platforms. The role spans VM provisioning and cluster management, OS configuration, patching, security hardening, user management and print/file services. You will work in a fast-paced managed services environment with a strong emphasis on automation and continuous improvement.

KEY RESPONSIBILITIES

• Provision and configure virtual machines following defined build standards and processes
• Manage hypervisor clusters — HA, DRS, vMotion, resource pools, snapshots and vCenter RBAC
• Administer Windows Server and Linux OS — configuration, patching and CIS hardening
• Manage user accounts, access permissions, SSH keys and certificate lifecycle
• Configure and maintain vSwitch, VLAN and virtual network settings within the hypervisor environment
• Build and maintain OS images and manage PXE-based re-imaging pipelines
• Configure and maintain system services, scheduled tasks, file sharing, print server and SFTP infrastructure
• Maintain security posture — endpoint protection, firewall rules and compliance policy enforcement
• Deploy and maintain log collection agents across the server fleet
• Manage disk partitions, volumes, filesystems and storage capacity
• Contribute to automation initiatives and maintain operational runbooks and documentation
• Respond to and resolve infrastructure incidents within agreed service levels
• Participate in change management and peer review of technical changes

REQUIRED SKILLS & COMPETENCIES

• Hypervisor administration — VMware vSphere / ESXi, Microsoft Hyper-V and KVM
• vCenter management — clusters, resource pools, distributed switches, HA, DRS and vMotion
• Virtual machine provisioning, snapshot management and VM lifecycle operations
• vSwitch and VLAN configuration — virtual network management within hypervisor environments
• OS re-imaging — PXE boot, WDS and automated OS deployment pipelines
• Windows Server administration — Active Directory, Group Policy, IIS, Print Server and SFTP
• Linux administration — RHEL and Ubuntu; system configuration, service management and hardening
• OS patching and CIS hardening — enterprise patch management and compliance frameworks
• User and access management — account provisioning, group management and privilege control
• Infrastructure as code — Terraform or equivalent for VM provisioning and configuration
• Configuration management — Ansible or equivalent automation frameworks
• Security tools — endpoint protection, firewall management and compliance scanning
• File sharing protocols — NFS, CIFS and SMB server and client configuration
• Storage management — LVM, disk partitioning, filesystem lifecycle and capacity optimisation
• Certificate lifecycle management and Windows Certificate Authority
• Version control and code review — Git workflows and collaborative development practices

At least 5 to 10 years of working experience

Workplace type:

About NTT DATA

NTT DATA is a $30+ billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world’s leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services. Our consulting and industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 70 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners. NTT DATA is part of NTT Group, which invests over $3 billion each year in R&D.

Equal Opportunity Employer NTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category.

Join our growing global team and accelerate your career with us.

Is innovation part of your DNA? Do you want to enable a connected future for people, organizations, and society? Join our growing global NTT family and you’ll be part of the world’s largest ICT company (by revenue). We’ve combined the capabilities of 28 remarkable companies to become one, leading technology services provider. Together, we help our people, clients, and communities do great things with technology to create a more secure and connected future.

We employ 40,000 people across 57 countries. By bringing together the world’s best technology companies and emerging innovators, we work together to deliver sustainable outcomes to businesses and the world. Innovation is part of our DNA. We believe it’s key to what makes us different. So, we strive to move forward, challenge the status quo, and drive excellence through the technologies we integrate and the services we deliver around the world. The result is connected cities, connected factories, connected healthcare, connected agriculture, connected conservation, connected mobility, and connected sport. Together we enable the connected future.

You’ll be joining a global employer that is committed to attracting, growing and keeping the best talent. A place where you will be at the heart of our success!