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TAT IT Technolgies

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

TAT IT Technolgies
Qatar · Contract · Mid-Senior
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

Key Skills

Ranked by relevance

cloud oracle virtualization server high availability firewalls palo alto devops vmware nosql nist siem dhcp cicd wlan vpn dns
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Posted
Nov 03, 2025
Type
Contract
Level
Mid-Senior
Location
Doha
Company
TAT IT Technolgies

Industries

Technology Information Internet

Categories

Information Technology

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