Systems Administrator

Reports To

IT Manager

Stafford, VA (Hybrid)

Paradigm Max Q is redefining defense industry support. Founded in 2023, we combine elite talent, disciplined execution, and innovative thinking to deliver measurable results that improve readiness and reduce costs for the government and warfighter. As a rapidly growing SDVOSB, we are committed to operational excellence, accountability, and building a high-performing organization that delivers exceptional results for our customers. Our mission is to deliver measurable results that strengthen national defense and empower those who serve.

Paradigm Max Q is seeking an experienced Systems Administrator to administer, secure, and optimize the organization's Microsoft cloud and on-premises infrastructure. The successful candidate will manage Microsoft 365, Windows Server environments, SharePoint Online, Microsoft Intune, Microsoft Entra , and Microsoft Defender while ensuring reliable, secure, and compliant enterprise operations.

The Systems Administrator will play a key role in maintaining enterprise systems, supporting end users, implementing security best practices, and modernizing infrastructure through cloud technologies and automation.

• Administer Windows Server environments, including installation, upgrades, patching, monitoring, and lifecycle management.
• Manage Microsoft 365 services, including Exchange Online, Teams, One Drive, SharePoint Online, and Microsoft 365 administration.
• Administer Microsoft Entra  (Azure Active Directory), including identity lifecycle management, Conditional Access, Multifactor Authentication (MFA), Single Sign-On (SSO), Privileged Identity Management (PIM), and role-based access controls.
• Manage Microsoft Intune for endpoint configuration, device compliance, application deployment, mobile device management (MDM), and endpoint security.
• Administer Microsoft Defender solutions, including Defender for Endpoint, Defender for Office 365, Microsoft Defender XDR, and security recommendations.
• Configure and maintain SharePoint Online sites, permissions, document libraries, collaboration work spaces, and governance policies.
• Support Active Directory, DNS, DHCP, Group Policy, file services, print services, and enterprise authentication.
• Monitor infrastructure health, system availability, storage utilization, and cloud resource performance.
• Perform system backups, disaster recovery testing, and business continuity planning.
• Troubleshoot complex server, cloud, endpoint, networking, and Microsoft 365 issues while providing Tier II/III technical support.
• Collaborate with cybersecurity personnel to implement security baselines, remediate vulnerabilities, and maintain compliance with organizational policies.
• Create and maintain technical documentation, standard operating procedures, architecture diagrams, and asset inventories.
• Support infrastructure modernization efforts and continuous process improvement initiatives.
• Participate in scheduled maintenance windows and on‑call support as required.

• Bachelor's degree in Information Technology, Computer Science, Information Systems, or a related discipline; or
• Associate's degree with CompTIA &/ Microsoft certifications and equivalent professional experience.

• 3-5 years of systems administration experience in enterprise IT environments.
• Experience supporting Windows Server operating systems.
• Experience administering Microsoft 365.
• Experience managing Microsoft Entra  (Azure Active Directory).
• Experience with Microsoft Intune Endpoint Management.
• Experience administering SharePoint Online.
• Experience supporting Microsoft Defender security solutions.
• Experience managing hybrid Active…