Senior IT Infrastructure & Security Operations Lead

Client of AIQU; Abu Dhabi; On-site; AED 360,000 - 560,000; Full time

Job summary

Client of AIQU seeks a Sr Specialist IT Infrastructure Operations & Security in Abu Dhabi to lead design, deployment and management of enterprise Microsoft 365 and Azure environments, with a focus on robust security, reliability and compliance in a multicultural setting.

You will mentor junior engineers, implement IaC with Terraform/ARM, and drive incident response, patching, and security policy enforcement across the stack.

Qualifications

• 8+ years of experience in IT infrastructure, operations, and security.
• Expert‑level proficiency with Microsoft 365 administration and optimization.
• Strong hands‑on experience with Azure IaaS and PaaS services.
• In‑depth knowledge of Microsoft security technologies: Defender suite, Azure Security Center, Conditional Access.
• Solid understanding of networking concepts: TCP/IP, DNS, VPNs, firewalls.
• Experience with identity and access management, single sign‑on and multi‑factor authentication.
• Familiarity with virtualization platforms (Hyper‑V, VMware) and storage solutions.
• Proficient in PowerShell scripting and automation frameworks.
• Strong analytical, problem‑solving, and incident‑management skills.
• Excellent communication skills and ability to work effectively in a multicultural environment.

Responsibilities

• Design, deploy, and manage Microsoft 365 services including Exchange Online, SharePoint, Teams, and Intune.
• Manage Azure infrastructure components such as Virtual Networks, Virtual Machines, Azure Active Directory and PaaS services.
• Configure and manage Microsoft security technologies including Defender for Endpoint, Defender for Office 365, Conditional Access and Azure Security Center.
• Develop and enforce security policies, procedures and best practices to safeguard data and ensure compliance with industry standards.
• Monitor system performance, availability and security events; perform root‑cause analysis and implement corrective actions.
• Lead incident response activities including investigation, containment, remediation and postmortem analysis.
• Collaborate with cross‑functional teams to plan and execute infrastructure upgrades, patches and configuration changes.
• Automate routine tasks and deployments using scripting and Infrastructure as Code IaC tools.
• Provide technical leadership and mentorship to junior team members; conduct training on infrastructure and security topics.
• Maintain documentation for architecture diagrams, SOPs and configuration records.

Skills

PowerShell scripting

Incident management

Communication skills

Automation

Education

AZ-104

AZ-500

CISSP

CISM

CCSP

ITIL Foundation

Advanced degree in CS/Info Security

Tools

Terraform

ARM templates

Azure IaaS

VMware

Job description

Client of AIQU seeks a Sr Specialist IT Infrastructure Operations & Security in Abu Dhabi to lead design, deployment and management of enterprise Microsoft 365 and Azure environments, with a focus on robust security, reliability and compliance in a multicultural setting.

You will mentor junior engineers, implement IaC with Terraform/ARM, and drive incident response, patching, and security policy enforcement across the stack.