Senior Endpoint Engineer | R&D Specialist
First seen by Alion on Oct 22, 2026.
Location: Remote – Available across U.S. and Puerto Rico
Clearance Level: Public Trust (ADP/IT-II) or Tier 3 Investigation (NACLC)
Citizenship: U.S. Citizenship required
We are seeking candidates for a potential opportunity, Senior Endpoint Engineer | R&D Specialist to lead the development and sustainment of endpoint delivery frameworks across the Federal Agency hybrid IT ecosystem. This critical role supports centralized provisioning, security, monitoring, and application integration for over 250,000 devices across the global Military Health System.
Key ResponsibilitiesEngineer and deploy endpoint management solutions (MECM, Intune).
Architect hybrid delivery frameworks supporting SaaS/on-prem/cloud services.
Lead secure application packaging and configuration for Windows endpoints.
Ensure compliance with DISA STIGs, RMF, and NIST standards.
Build and maintain secure OS images and modern desktop environments.
Design mobile device provisioning and MDM strategies.
Support Tier 3/4 troubleshooting and endpoint automation projects.
Maintain RMF artifacts in eMASS and participate in continuous monitoring.
- Microsoft MECM (SCCM), Intune, MDT
- Windows Server OS, Windows 10/11
- PowerShell, GPO, Azure, Hyper-V
- eMASS, ActivClient, STIG Viewer
Application packaging tools (AdminStudio, WiseScript)
Extensive experience in endpoint engineering for hybrid cloud/on-prem systems.
Proven knowledge of MECM and Intune deployment strategies.
Demonstrated compliance experience with DoD RMF and Zero Trust principles.
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Required (Foundational – one of the following):
Bachelor’s degree in IT / Cybersecurity / Data Science / IS / CS (ABET or CAE accredited),
OR baseline IA certification (Security+, SSCP).
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Required (CE – one of the following):
Microsoft Endpoint Administrator (MD-102),
- OR Microsoft Intune Administrator.
📩 Apply today and lead the transformation of endpoint operations for the DHA’s global IT infrastructure.
This position is contingent upon contract award. Candidates selected will be notified once the award has been confirmed.
Equal Employment Opportunity and E-Verify Statement
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 1-787-814-0087.
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.
Originally posted on Himalayas