Network Administrator – Microsoft 365 & Intune

Tier4 Group; Atlanta (GA); Hybrid; USD 90,000 - 120,000; Full time

Job summary

Tier4 Group in Atlanta seeks a Network Systems Administrator to manage Microsoft 365 and Intune across a multi-entity environment, ensuring secure, reliable collaboration and device management. You will work with IT leadership, support teams, and external partners to implement identity, security controls, and infrastructure initiatives while documenting processes and improving operations.

This Hybrid role in Cobb Galleria Area requires 3+ years of hands-on experience with Microsoft 365, Entra

Qualifications

• 3+ years administering Microsoft 365 and Intune in an enterprise.
• Strong AD/Entra ID, CA, MFA, SSO with SAML/OIDC.
• Experience with multi-platform device management and packaging.
• Proficient in PowerShell scripting for automation and support.
• Excellent documentation and communication skills.

Responsibilities

• Administer and maintain Microsoft 365 services including Entra ID, Exchange Online, Teams, SharePoint Online, and OneDrive.
• Manage Intune across Windows, iOS, and Android; enrollments, provisioning, policies.
• Oversee identity management, SSO, MFA, conditional access, and security controls.
• Provide infrastructure support, change management, and runbooks creation.
• Liaise with IT leadership, service providers, and support teams.

Skills

Microsoft 365

Intune MDM/MAM

Active Directory

PowerShell

Tools

NinjaOne

Job description

Network Systems Administrator
Full Time
Hybrid Commute - 3 days per week (Cobb Galleria Area)

About the Opportunity

An Atlanta-based financial consulting firm is seeking a Network Systems Administrator to manage, support, and enhance its Microsoft 365 and endpoint management ecosystem. This individual will play a key role in maintaining secure, reliable, and efficient collaboration, identity, device, and application services across a complex multi-entity environment.

The ideal candidate will be responsible for the day-to-day administration of Microsoft 365 and Intune, ensuring adherence to security standards and operational best practices. This position will also collaborate closely with IT leadership, support teams, security partners, and external service providers while contributing to infrastructure initiatives, user support, documentation, and process improvement efforts.

Key Responsibilities

Microsoft 365 Administration

• Administer and maintain Microsoft 365 services, including Entra ID, Exchange Online, Microsoft Teams, SharePoint Online, and OneDrive.
• Support user lifecycle management, including onboarding, offboarding, license allocation, mailbox permissions, shared mailbox administration, and role-based access controls.
• Configure, monitor, and troubleshoot Exchange Online services, including mail flow, transport rules, message tracing, and access-related issues.

Endpoint Management & Intune

• Manage Microsoft Intune across Windows, iOS, and Android platforms, supporting both corporate-owned and BYOD environments.
• Oversee device enrollment, imaging, provisioning, configuration profiles, compliance policies, security baselines, and Windows Autopilot deployments.
• Package, test, deploy, and maintain applications through Intune, including Win32, line-of-business, MSI, and Microsoft Store applications.

Identity & Security

• Administer and support identity management solutions, including single sign-on (SSO), multifactor authentication (MFA), Conditional Access policies, and related security controls.
• Assist with patch management, vulnerability remediation, compliance initiatives, security baseline maintenance, and audit-related activities.
• Escalate and resolve Microsoft 365 and endpoint security concerns while maintaining operational stability.

Infrastructure & Operations

• Provide support for virtual server environments and assist with broader infrastructure administration as needed.
• Coordinate production releases and system changes, including pilot deployments, monitoring, issue resolution, rollback planning, and change management activities.
• Create and maintain technical documentation, operational procedures, implementation guides, standards, and support runbooks.
• Serve as an escalation resource for the Service Desk and facilitate knowledge transfer to support personnel.

Required Qualifications

• 3+ years of hands-on experience administering Microsoft 365 and Microsoft Intune within an enterprise or business environment.
• Strong expertise with Active Directory, Microsoft Entra ID, Conditional Access, MFA, and SSO technologies utilizing SAML and/or OIDC.
• Experience managing Intune MDM/MAM solutions, endpoint compliance, Windows Autopilot, and multi-platform device management.
• Familiarity with application packaging and deployment methodologies, including Win32 applications, MSI packages, and Intune deployment practices.
• Proficiency with PowerShell scripting for automation, administration, and troubleshooting.
• Strong documentation skills with the ability to create clear technical standards, procedures, and support materials.
• Excellent communication and interpersonal skills with the ability to work effectively with technical teams, business users, vendors, and external partners.

Preferred Qualifications

• Microsoft certifications such as MD-102, MS-102, SC-300, or equivalent.
• Experience with Remote Monitoring and Management (RMM) platforms such as NinjaOne.
• Background supporting organizations within professional services, accounting, financial services, or other highly regulated industries.
• Experience collaborating with Managed Service Providers (MSPs) and/or Managed Detection and Response (MDR) partners.

Why Consider This Opportunity?

This role offers the opportunity to own and continuously improve a modern Microsoft ecosystem while helping drive security, automation, and endpoint management initiatives across a growing and dynamic professional services organization. You'll work alongside experienced IT and business leaders while making a direct impact on user experience, operational efficiency, and cybersecurity posture.