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Senior System Administrator - Level III

Prime SystemLahore, Punjab, Pakistan
On-site Full-time

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Experience Level

Mid to Senior

Qualifications

Qualifications:Bachelor’s degree in IT, Computer Science, or a related field (or equivalent experience).5–8+ years of hands-on system administration experience. Industry certifications are preferred such as: Azure Administrator (AZ-104), Azure Solutions Architect, MD-102, MS-700, ITIL, VMware/Hyper-V certifications.

About the job

Join our dynamic team at Prime System as a Senior System Administrator - Level III. We are seeking a highly proficient professional with extensive experience in Microsoft Azure, Intune, Entra ID, Active Directory, Microsoft 365, virtualization, patch management, and advanced infrastructure/network troubleshooting. In this role, you will be responsible for maintaining, optimizing, and securing our enterprise systems, ensuring high availability across all infrastructure components.

Key Responsibilities

Cloud & Identity Management

  • Administer, configure, and optimize Microsoft Azure services including VMs, storage, networking, identity, and security.
  • Manage Entra ID (Azure Active Directory) with a focus on conditional access policies, SSO, MFA, identity governance, and role-based access.
  • Design, deploy, and maintain Intune/Endpoint Manager policies to ensure device compliance, security baselines, app deployment, and autopilot provisioning.

Microsoft 365 Administration

  • Administer Exchange Online, SharePoint Online, Teams, OneDrive, and the M365 security/compliance center.
  • Implement and enforce M365 governance, retention policies, and DLP standards.

On-Premises Infrastructure

  • Maintain and support Active Directory, GPOs, DNS, DHCP, and domain controllers.
  • Manage and troubleshoot virtualized environments (Hyper-V or VMware).
  • Oversee patch management for servers, endpoints, and cloud environments.

Network & Infrastructure Troubleshooting

  • Provide advanced Level 3 support for network, server, and endpoint issues.
  • Troubleshoot connectivity, performance, authentication, and security incidents.
  • Collaborate with network/security teams on complex problems and escalations.

Security & Compliance

  • Implement best practices for system hardening, identity protection, and endpoint security.
  • Monitor system performance, audit logs, and security alerts to ensure compliance.

Project Implementation

  • Lead initiatives related to cloud adoption, modernization, and infrastructure upgrades.
  • Document technical processes, architecture diagrams, and standard operating procedures.

About Prime System

Prime System is a leading technology solutions provider dedicated to delivering innovative IT services that empower businesses to thrive in the digital age. Our team of experts is committed to excellence and provides comprehensive support to our clients to achieve their strategic goals.

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