OCI Server OS Administrator

About the role

DXC Technology is looking for a Senior Server OS Administrator with deep expertise in Oracle Linux, Red Hat Enterprise Linux and Windows Server on Oracle Cloud Infrastructure (OCI) and hybrid environments. The role ensures OS provisioning, hardening, patching, performance tuning and automation for enterprise workloads.

Key responsibilities

• Provision and manage OCI compute instances (VM, Bare Metal, Flex shapes) and maintain golden images for Linux and Windows platforms.
• Administer Oracle Linux and RHEL – kernel tuning, LVM, SELinux, firewalld, Ksplice and package management.
• Manage Windows Server – Active Directory, GPO, IIS, Failover Clustering, WSUS and patch compliance.
• Design and execute OS patching strategies using OCI OS Management Hub, ensuring zero‑downtime updates.
• Apply CIS benchmarks, implement encryption (LUKS, BitLocker) and maintain audit logging for compliance frameworks.
• Automate OS tasks and provisioning pipelines with Ansible, Terraform (OCI provider), Bash, Python and PowerShell.

Required profile

• 8–10 years of progressive server OS administration experience across Linux and Windows.
• Strong hands‑on experience with OCI compute, custom images and OS Management Hub.
• Proven ability to design enterprise‑wide patching and hardening processes.
• Excellent communication skills and experience mentoring junior administrators.

Required skills

• Active Directory
• CIS benchmarks
• OCI OS Management Hub
• firewalld
• SELinux
• Windows Server
• LVM
• GPO
• PowerShell
• Prometheus
• SCOM
• Bash
• Grafana
• Datadog
• Failover Clustering
• IIS
• Terraform
• Ansible
• Oracle Linux
• Python