Tier 3 Level EM Administration Support Services

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Full Time Remote Puerto Rico, PR, PR

30+ days ago Requisition

Location: Remote – Available across U.S. and Puerto Rico

Clearance Level: Public Trust (ADP/IT-II);
Tier 3 Investigation (NACLC)

Citizenship: U.S. Citizenship required

We are seeking candidates for a potential opportunity as Tier 3 Enterprise Management (EM) Administrator to join our team supporting the Defense Health Agency’s global IT infrastructure. This role provides advanced enterprise administration and engineering expertise across hybrid cloud and on‑premise environments, ensuring secure and scalable operations for over 200,000 users and 250,000 devices worldwide. You will play a critical role in sustaining mission‑critical healthcare IT services that directly support the readiness of service members, veterans, and their families.

• Administer and maintain EM tools such as MECM, Intune, Azure AD, and Microsoft enterprise platforms.
• Serve as a Tier 3 escalation point for complex infrastructure and endpoint issues.
• Support security compliance and configuration standards through automation.
• Collaborate with cybersecurity, engineering, and service desk teams on enterprise‑wide solutions.
• Monitor system performance and participate in after‑hours operations as required.

• Microsoft Endpoint Configuration Manager (MECM/SCCM)
• Microsoft Intune and Azure Active Directory (Entra )
• Group Policy Objects (GPOs) and Windows Server OS
• System monitoring tools (SCOM, Quest Suite)
• Power Shell scripting and automation frameworks

• Strong experience with MECM/SCCM, Intune, GPO management, and hybrid cloud environments.
• Ability to troubleshoot complex enterprise system issues and drive resolution.
• Strong communication and collaboration skills in mission‑focused IT environments.
• U.S. Citizenship and ability to obtain and maintain a Public Trust (Tier 3/NACLC) clearance.

Required (Foundational – one of the following):

• Bachelor’s degree in IT / Cybersecurity / Data Science / IS / CS (ABET or CAE accredited)
• Cloud+, GICSP, SSCP, Security+, or GSEC.

Required (CE – one of the following):

• Microsoft Windows Server Hybrid Administrator Associate.

3500 Square, LLC is proud to be an Equal Opportunity Employer. We do not discriminate against any applicant or employee on the basis of race, color, religion, sex (including pregnancy, sexual orientation, or gender identity), national origin, age, disability, genetic information, protected veteran status, military status, citizenship status, or any other legally protected status, in accordance with federal, state, and local laws.

As a federal contractor, 3500 Square, LLC complies with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act (VEVRAA), providing equal opportunity and affirmative action for qualified individuals with disabilities and protected veterans.

All employment decisions are based on qualifications, merit, and business needs. Fair consideration is provided to all candidates, including U.S. citizens and nationals, as required by federal regulations regarding national origin discrimination.

If you require a reasonable accommodation to complete the application process due to a disability, please contact our Human Resources team at  or

3500 Square, LLC participates in E‑Verify. If E‑Verify cannot confirm that you are authorized to work, you will receive written instructions and an opportunity to contact the Department of Homeland Security (DHS) or Social Security Administration (SSA) to resolve the issue before any employment action is taken against you, including termination.

Employers can only use E‑Verify after you have accepted a job offer and completed the Form I‑9.

3500 Square, LLC is an Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities.