Senior IT Infrastructure Specialist

Renardet; Oman; On-site; OMR 20,000 - 30,000; Full time

Job summary

Renardet in Oman seeks a skilled IT Infrastructure Specialist to optimize and maintain its IT frameworks. The role includes administering VMware, supporting Active Directory, and ensuring strong security measures.

Candidates should have strong skills in virtualization, Windows server, and effective problem-solving abilities. Join us to enhance the performance and reliability of IT systems across the organization.

Qualifications

• Strong hands-on experience with VMware ESX and ESXi.
• Experience with Windows Server Administration and security systems.
• Proficient in DNS, DHCP, Group Policies and networking.
• Ability to monitor systems and troubleshoot issues.

Responsibilities

• Administer and optimize virtualization environments and Windows Servers.
• Implement and manage Active Directory, DNS, and DHCP.
• Maintain LAN/WAN networks and secure VPN connectivity.
• Assist in cybersecurity measures and system improvements.

Skills

VMware ESX and ESXi

Windows Server Administration

Active Directory

DNS

DHCP

Networking

VPN and remote connectivity

endpoint protection

system performance monitoring

Job description

Key Responsibilities

• Administer, maintain and optimize virtualization environments (VMware ESX, ESXi) and Windows Servers.
• Support the implementation and management of Active Directory, DNS, DHCP, Group Policies and file servers.
• Maintain and support LAN/WAN networks, cabling, switches, firewalls and secure VPN connectivity.
• Assist in implementing and maintaining cybersecurity measures, endpoint protection and access controls.
• Contribute to infrastructure upgrades, capacity planning and system improvements.
• Participate in IT projects, including server deployments and multi‑site network initiatives.
• Monitor system performance, troubleshoot issues and support business continuity.
• Prepare and maintain technical documentation, procedures and system records.
• Provide technical support and guidance to internal users and IT staff when required.

Required Technical Skills

• Virtualization – strong hands‑on experience with VMware ESX and ESXi.
• Windows Server Administration.
• Active Directory, DNS, DHCP, Group Policies and file services.
• Networking – LAN/WAN, switching, structured cabling, firewall configuration.
• VPN and remote connectivity, including secure site‑to‑site and user connections.
• Security – endpoint protection, access control and basic infrastructure security.
• Monitoring & troubleshooting: system performance monitoring and issue resolution.

Soft Skills

• Strong problem‑solving and analytical skills.
• Ability to work independently while collaborating closely with management.
• Clear communication with technical and non‑technical stakeholders.
• Well‑organized with attention to documentation and procedures.
• Team‑oriented and collaborative approach.

We are seeking a highly skilled and hands‑on IT Infrastructure Specialist to support and collaborate with the IT Manager in maintaining and enhancing the company’s IT infrastructure. The role focuses on technical execution, system administration, and infrastructure operations, contributing to the reliability, security, and performance of IT systems across the organization.