MAC Tier 2 Engineer

About DMI

DMI is a leading provider of digital services and technology solutions, headquartered in Tysons Corner, VA. With a focus on end-to-end managed IT services, including managed mobility, cloud, cybersecurity, network operations, and application development, DMI supports public sector agencies and commercial enterprises around the globe. Recognized as a Top Workplace, DMI is committed to delivering secure, efficient, and cost-effective solutions that drive measurable results. Learn more at

About the Opportunity

DMI, LLC is seeking a Mac Tier 2 Engineer to join us. The Mac Tier II Engineer provides advanced technical support for Apple macOS systems within the DISA J6 enterprise. This role is responsible for resolving escalated issues, supporting system configuration and maintenance, and ensuring secure integration of Mac devices into the DoD IT environment.

Duties and Responsibilities

• Advanced Technical Support:
  • Provide Tier II desk-side and remote support for macOS users, resolving complex hardware and software issues.
  • Troubleshoot and resolve issues related to system performance, application compatibility, and network connectivity.
  • Support classified and unclassified environments, ensuring compliance with DoD security standards.
• System Configuration & Maintenance:
  • Assist with the configuration, imaging, and deployment of Mac desktops and laptops.
  • Maintain and support enterprise Mac management tools (e.g., Jamf Pro) for patch management and configuration control.
  • Apply security patches and updates in accordance with DISA STIGs and cybersecurity policies.
• Collaboration & Engineering Support:
  • Work with Tier III engineers to test and validate new macOS releases and enterprise configurations.
  • Support the development and deployment of standard desktop and server Mac core images.
  • Coordinate with other IT teams to ensure interoperability and service continuity.
• Documentation & Knowledge Sharing:
  • Maintain and update SOPs, Work Instructions (WIs), and knowledge base articles.
  • Provide input to Tier I support staff and assist with training and mentoring.
  • Ensure documentation is stored in the designated Knowledge Management (KM) system.
• Security & Compliance:
  • Implement and maintain security configurations to meet DoD cybersecurity requirements.
  • Support vulnerability remediation and compliance reporting.
  • Participate in audits and inspections as needed.

Qualifications

Required Skills/Certifications:

• Clearance: Active DoD Secret (TS/SCI preferred)
• Two years of specialized experience in Apple Mac engineering/development. Apple-specific certifications may be substituted for up to one year of engineering/development experience.
• Four years of experience supporting Apple Mac computers. Apple-specific certifications may be substituted for up to two years of support experience.
• Proficiency with Apple hardware, macOS, and enterprise management tools (e.g., Jamf Pro).
• Strong understanding of DoD IT security requirements and compliance frameworks.
• Excellent troubleshooting, documentation, and communication skills.
• Ability to work independently and collaboratively in a high-security, mission-critical environment.

M Min Citizenship Status Required: Must be a U.S. Citizen

Physical Requirements: There are no physical requirementsfor this position

Location: McLean, VA

Working at DMI

DMI is a diverse, prosperous, and rewarding place to work. Our culture is shaped by five core values that guide how we work, grow, and succeed together:

• Do What’s Right – We lead with honesty and integrity.
• Own the Outcome – We take responsibility and deliver.
• Deliver for Our Customers – We are relentless about delivering value.
• Think Bold, Act Smart – We innovate with purpose.
• Win Together – We collaborate and celebrate our success.

These values aren’t just ideals—they show up in how we support every part of your well-being:

• Convenience/Concierge – Virtual health visits, commuter perks, pet insurance, and entertainment discounts that make life easier.
• Development – Annual performance reviews, tuition assistance, and internal career growth opportunities to help you thrive.
• Financial – Generous 401(k) matches, life and disability insurance, and financial wellness tools to support your future.
• Recognition – Annual awards, service anniversaries, referral bonuses, and peer-to-peer shoutouts that spotlight your achievements.
• Wellness – Healthcare coverage, wellness programs, flu shots, and biometric screenings to support your health.

DMIvalues employeesfor their talents and contributions, and we take pride in helping our customers achieve their goals. Because when we live our values, we all win together.

***************** No Agencies Please *****************

Applicants selected may be subject to a government security investigation and must meet eligibility requirements for access to classified information. US citizenship may be required for some positions.