Manager–Infrastructure Security(M365, Cisco Network, Server, Palo Alto & Oracle)

We have an urgent requirement for Manager – Infrastructure

and Security(M365, Cisco network switching, Server Virtualization,

Palo Alto firewalls

& Oracle Cloud Infrastructure) for our client

in Doha, Qatar .

Infrastructure And Networks

Lead and oversee day-to-day datacenter operations, ensuring uptime, performance, and compliance with organizational SLAs

Collaborate with cross-functional teams to deliver infrastructure needs

Experience in Microsoft 365 Exchange, Intune, Defender, Entra and Teams

Experience in server virtualization environments - VMware, Hyper-V, or Solaris, Windows Servers, DNS, DHCP, and file services

Manage HP BladeSystem enclosures, Dell PowerStore, HP Alletra Storage

Manage Cisco L2 / L3 network switching, WLAN infrastructure

Design cloud workloads on Azure and GCP

Manage routine infrastructure maintenance, firmware, and patch updates

Supervise datacenter physical infrastructure including power, cooling, cabling, and vendor coordination

Configure and monitor health check and performance via Zabbix

Collaborate with ISPs to manage links

Added value for experience with Ameyo, 3CX, Ribbon SBC, Cisco CUCM and UCCX

Knowledge of DevOps and CI / CD tools are added value

Security

Lead and mentor the security operations team in managing advanced security infrastructure - Palo Alto firewalls, F5 LTM and ASM

Direct real-time threat monitoring strategies using Wazuh SIEM, LogRhythm

Experience in Proofpoint Email Protection, PSAT, CrowdStrike, TrendMicro

Experience in SPF, DKIM, and DMARC standards

Implement and monitor VPN technologies including site-to-site and remote access

Understanding of ISO 27001, NIST and privacy laws

Ensure alignment with corporate security frameworks and privacy regulations

Coordinate with audit teams to ensure regulatory alignment

Oracle Cloud

Oversee deployment and optimization of enterprise‑grade SPARC hardware.

Oversee the design, implementation, and maintenance of hybrid IT infrastructure of on‑premises data centers and cloud platforms especially with Oracle Cloud Infrastructure (OCI)

Manage and maintain the company’s IT infrastructure, including networks, security, and databases such as Oracle DB, Oracle WebLogic, MongoDB, and Jasper reporting software.

Ensure high availability, scalability, and security of client hosted managed datacenter services.

Collaborate with software development teams to understand deployment architecture requirements and provide infrastructure support.

Analyze existing architecture and recommend improvements to enhance performance, reliability, and cost‑efficiency.

Handle configuration, monitoring, and troubleshooting of database environments with emphasis on Oracle and NoSQL databases.

Manage cloud migrations, hybrid infrastructure, and disaster recovery planning within OCI and other cloud platforms.

Interface regularly with clients to understand needs, manage expectations, and provide managed infrastructure solutions.

Supervise and mentor technical teams to deliver seamless infrastructure and hosting services.

Skills : security,oracle,infrastructure

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