Millennium Corporation

MAC OS Engineer

Job Locations US-Remote | US-VA-Ft. Belvoir
Posted Date 5 hours ago(3/17/2026 1:13 PM)
Job ID
2026-3054
Worker Category
Active Full Time Regular
Clearance Required
Secret

Overview

Millennium is proud to be part of the Markon enterprise, a network of specialized organizations united in support of critical national security missions. This partnership strengthens our ability to deliver results by expanding our technical depth, operational reach, and access to a broader bench of proven experts, ensuring our customers continue to receive best-in-class cybersecurity support.

Since 2004, Millennium has operated at the forefront of cybersecurity. Our elite team of over 300 professionals brings an unmatched record of performance across Red Team Operations, Defensive Cyber Operations, Software Engineering, and Technical Engineering. As home to the largest contingent of contracted Red Team operators supporting the Department of Defense, Millennium delivers unparalleled threat intelligence and battle-tested expertise to both DoD and federal civilian customers.

What We Believe

Millennium is an equal opportunity employer and does not discriminate or allow discrimination on the basis of race, color, religion, gender, age, national origin, citizenship, disability, veteran status or any other classification protected by federal, state, or local law.

Responsibilities

Millennium Corporation is hiring a MAC OS Engineer to join us for a REMOTE position. An active Secret clearance is required to qualify for consideration.

 

The MAC OS Engineer will:

  • Provide engineering support (with a focus on macOS) for the deployment, integration, scaling, and maturation of the client's cloud environment for the enterprise, operational, and tactical networks. 
  • Assume responsibility for the performance, design, configuration, and testing of complex large-scale cloud networks.
  • Support configuration and change management processes for Azure and Apple Environments. 
  • Assume responsibility of macOS deployment (in an Intune environment).

Qualifications

  • Candidate must have an active Secret security clearance.
  • Associates or Bachelor's Degree from an accredited college or university in a relevant discipline (Computer Science, Information Systems, Engineering, Scientific, Mathematic, etc) and a minimum of 5 years of experience.
  • Must possess an Apple Certified Support Professional (ACSP), Apple Device Management, Apple Certified Associate – Mac Integration, macOS security certifications, or Apple Certified IT Professional certification.
  • CompTIA Security+ certification
  • Demonstrated experience with the macOS Security Compliance Project.
  • Familiarity with Apple Business Manager (ABM)

Business Development

Assist with Business Development activities as required to support Millennium's strategic business objectives, which may include but not limited to participation in technical interviews, creation of technical documentation, general proposal writing support and proposal color reviews.

Physical Requirements

  • Must be comfortable with prolonged periods of sitting at a desk and working on a computer.
  • Must be able to lift up to 10-15 pounds at a time.

Travel Requirements

10% of travel to the client site - once per month.

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