Infrastructure & Cloud Administrator – Enterprise Infrastructure & OCI | Riyadh, Saudi Arabia

Uasmart; Riyadh; On-site; SAR 180,000 - 240,000; Full time

Job summary

Uasmart is seeking an experienced Infrastructure & Cloud Administrator to manage enterprise environments across Windows Server, Linux, VMware ESXi/vSphere, and Oracle Cloud Infrastructure (OCI). This role focuses on reliability, security, and performance across virtualization, cloud, and on-prem resources.

You will implement monitoring, support disaster recovery, and collaborate with application, network, and security teams to resolve incidents while driving infrastructure optimization and

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field.
• Minimum 5+ years of hands-on infrastructure administration experience.
• Strong experience with Windows Server and Linux administration.
• Practical experience with VMware ESXi and VMware vSphere.
• Hands-on experience with OCI.
• Knowledge of Active Directory, DNS, DHCP, and Group Policy.
• Understanding of cloud networking (VCNs, subnets, NSGs, load balancers).

Responsibilities

• Administer Windows Server and Linux environments, including installation, configuration, patching, troubleshooting, and performance monitoring.
• Manage VMware ESXi and vSphere environments, including VMs, hosts, clusters, and troubleshooting.
• Administer OCI services, including Compute, Storage, Networking, IAM, and related resources.
• Manage AD, DNS, DHCP, and Group Policy, including user access.
• Perform Linux administration including users, permissions, services, and storage.
• Support VM provisioning, backup, and disaster recovery planning.
• Configure OCI networking (VCN, subnets, routing, security lists).
• Monitor infrastructure availability and performance.
• Implement security hardening and patch management.
• Coordinate with security and network teams to resolve incidents.
• Maintain documentation and inventory.

Skills

Windows administration

Linux administration

VMware ESXi

VMware vSphere

OCI (Oracle Cloud)

Active Directory

Education

Bachelors in CS/IT/Eng

Tools

VMware ESXi

VMware vSphere

OCI

Active Directory

DNS

DHCP

VCN

IAM

Compute

Storage

Networking

Backup & DR

Job description

Location: Riyadh, Saudi Arabia - Onsite

Job Category:

• Information Technology (IT) & Software
• Engineering & Technical
• Telecommunications

Job Overview

We are looking for an experienced Infrastructure & Cloud Administrator to manage, maintain, and support enterprise infrastructure environments across Windows Server, Linux, VMware virtualization, and Oracle Cloud Infrastructure (OCI). The role requires strong hands-on expertise in infrastructure administration, cloud operations, virtualization, troubleshooting, system monitoring, and production support.

The Infrastructure & Cloud Administrator will play a critical role in ensuring the availability, performance, security, and reliability of enterprise IT infrastructure. The position involves working across operating systems, virtualization platforms, cloud resources, networking, storage, backup, and disaster recovery environments.

This opportunity is well suited to an IT infrastructure professional seeking long-term career growth, technical specialization, and continued professional development across enterprise infrastructure and cloud technologies.

Key Responsibilities

• Administer Windows Server and Linux environments, including installation, configuration, patching, troubleshooting, and performance monitoring.
• Manage VMware ESXi and vSphere environments, including virtual machines, hosts, clusters, resource allocation, snapshots, and troubleshooting.
• Administer Oracle Cloud Infrastructure (OCI) services, including Compute, Storage, Networking, IAM, and related cloud resources.
• Manage Active Directory, DNS, DHCP, Group Policy, users, and access administration.
• Perform Linux administration covering users, groups, permissions, services, packages, storage, networking, and system troubleshooting.
• Support virtual machine provisioning, migration, backup, restoration, capacity planning, and high-availability operations.
• Configure and troubleshoot OCI networking, including VCNs, subnets, routing, security lists, NSGs, load balancers, and connectivity.
• Monitor infrastructure availability, system health, resource utilization, and performance.
• Implement security hardening, access controls, patch management, and vulnerability remediation.
• Support backup, disaster recovery, business continuity, and production infrastructure operations.
• Troubleshoot issues across operating systems, virtualization, cloud, network, and storage layers.
• Coordinate with application, security, and network teams to resolve infrastructure incidents.
• Maintain technical documentation, operational procedures, incident records, and infrastructure inventory.

Requirements & Qualifications

• Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field.
• Minimum 5+ years of hands-on infrastructure administration experience.
• Strong experience with Windows Server and Linux administration.
• Practical experience with VMware ESXi and VMware vSphere.
• Hands-on experience with Oracle Cloud Infrastructure (OCI).
• Knowledge of Active Directory, DNS, DHCP, and Group Policy.
• Understanding of cloud networking, including VCNs, subnets, routing, NSGs, security lists, and load balancers.
• Experience with backup, disaster recovery, high availability, monitoring, and infrastructure troubleshooting.
• Ability to independently troubleshoot production infrastructure issues.
• Strong coordination and communication skills for working with application, network, and security teams.

Technical Skills

Windows Server | Linux | VMware ESXi | VMware vSphere | Oracle Cloud Infrastructure (OCI) | Active Directory | DNS | DHCP | VCN | IAM | Compute | Storage | Networking | Backup & Disaster Recovery | Infrastructure Monitoring | Troubleshooting

Preferred Certifications

• OCI Certified Architect or Cloud Operations certification
• VMware VCP
• Red Hat or Linux certifications
• Microsoft certifications

Salary, Benefits & Career Growth

The source job description does not specify a salary or compensation package, so no salary estimate has been added.

This role provides an opportunity to develop advanced expertise in enterprise infrastructure, virtualization, cloud administration, cybersecurity, disaster recovery, and OCI technologies. Relevant professional certifications and ongoing technical training can further support career progression into senior infrastructure, cloud engineering, solutions architecture, or infrastructure management roles.