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# Senior Technical Support Specialist

- **Company:** ENTRION HOLDING CORPORATION
- **Location:** Arlington, VA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Apple Mac Systems, Windows Remote Assistance, Zero Trust Network Access, Mobile Security, Casper Suite, Servicenow
- **Published:** November 2, 2026
- **Apply:** https://entarian.com/careers/

## About the Role

Technical Support, Usability Engineering, Establish Priorities, Technical Support, Mac Operating System, Mobile Devices, Leadership, Apple, Government, Problem Solving Skills, * Bachelor's degree in a related field with 4 years or relevant experience, or 8 hours of applicable experience in lieu of a degree.

 * Hands-on experience with MacBooks and Apple mobile devices.
 * Basic understanding of Apple hardware, macOS internals, SSO, MDM, certificates, networking, and endpoint security.
 * Proven experience delivering high-touch, white-glove support to VIPs or executive leadership.
 * Ability to handle sensitive information with confidentiality and professionalism.
 * Strong customer service, communication, and problem-solving skills; ability to de-escalate issues calmly and effectively.
 * Must be eligible to obtain a Department of Homeland Security EOD clearance ( Requirements 1. US Citizenship, 2. Favorable Background Investigation), * Experience with ServiceNow.
 * Jamf 200, 300, or 400 certification(s).
 * Apple ACSP or ACTC certification.
 * Experience in federal environments or organizations with strict security requirements.
 * Familiarity with Zero Trust, NIST 800-53 controls, endpoint hardening, and mobile security frameworks.

## Description

We are seeking Senior Technical Support Specialist to provide advanced macOS, Jamf, and mobile device support across enterprise environments, delivering exceptional white-glove service to executives, senior leadership, and VIP stakeholders. This role ensures optimal performance, security, and usability of Apple endpoints and mobility platforms, while maintaining a professional, concierge-level support experience that prioritizes responsiveness, discretion, and technical excellence., * Deliver highly responsive, concierge-level support for VIPs, including executives, government leadership, directors, and mission-critical personnel.

 * Provide efficient in-person and remote assistance with minimal disruption to VIPs' schedules and responsibilities.
 * Perform tailored device setups, personalized configurations, and rapid issue resolution.
 * Maintain a professional demeanor, exceptional communication, and the ability to translate technical issues into clear, non-technical explanations.
 * Maintain accurate ticketing, documentation, SOPs, and knowledge articles related to Apple device and mobility support.
 * Escalate security or operational risks proactively; collaborate with engineering to drive resolution.