Virtualisation & OS Engineer (L3)

NTT DATA, Inc.; Cyberjaya; On-site; MYR 90,000 - 150,000; Full time

Job summary

NTT DATA, Inc. is seeking a Virtualization & OS Engineer to own the lifecycle of virtualized server environments and operating systems across on-premises platforms. You will manage VM provisioning, clusters, OS configuration, patching, CIS hardening and security, and automation initiatives.

The role involves working in a fast-paced managed services environment with emphasis on automation, incident response, and documentation. Collaboration with the infrastructure team is essential.

Qualifications

• Extensive experience in virtualization technologies and OS administration.
• Proven ability to automate infrastructure and improve processes.
• Experience with CIS hardening and security compliance.

Responsibilities

• Provision and configure virtual machines following build standards.
• Manage hypervisor clusters with HA, DRS, vMotion, and vCenter RBAC.
• Administer Windows Server and Linux OS including patching and hardening.
• Manage user accounts, SSH keys, and certificate lifecycle.
• Configure network settings within hypervisor environments (vSwitch, VLAN).
• Create and maintain OS images and PXE-based re-imaging pipelines.
• Maintain services, scheduled tasks, file sharing, and SFTP infra.
• Maintain security posture and incident response within SLAs.
• Deploy and maintain log collection agents across servers.
• Manage storage and partitions; optimize capacity.
• Contribute to automation initiatives and runbooks.
• Respond to infrastructure incidents and support change management.

Skills

VMware vSphere

Hyper-V

KVM

vCenter

VM provisioning

OS hardening

Windows Server

Linux OS

Patching

Automation

Terraform

Ansible

Git workflows

Security tooling

Networking

Scripting

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

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.