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 www.dminc.com

DMI, LLC is seeking a Systems Administrator, MAC to join us.

Duties and Responsibilities:

• Administer and maintain development and production servers, including associated hardware and software, ensuring reliability and high availability across multi-redundant infrastructures.
• Build, configure, and optimize macOS systems (as well as Unix systems) from initial setup; administer Apache web server environments with a focus on performance tuning, security hardening, and compliance.
• Provide on-site and after-hours server administration support, resolving critical issues and sustaining uninterrupted operations for mission-critical systems.
• Perform system maintenance functions, including patch management, log analysis, user access administration, backup oversight, and desktop support in accordance with NIH security standards. Implement, configure, and manage digital certificates; participate in annual Security Assessment and Authorization (SA&A) audits; collaborate with NIH security teams to document and execute corrective action plans.
• Evaluate workflow, security, and infrastructure challenges using analytical methods, recommending and implementing corrective actions to improve performance and compliance.
• Leverage technical expertise in shell scripting, version repository management, VM deployment for macOS, and software tools such as OpenSSH and Homebrew to streamline operations and enhance system functionality.

Required and Desired Skills/Certifications: 

•  7 years Systems Administrator experience
• Candidate should be local to Rockville or Bethesda, MD to be able to perform any physical maintenance or tasks needing hands-on management of THE CLIENTS servers, and relatively quickly if it is an emergency situation.   Aside from that, it is largely a remote position, as the servers can be managed offsite for the most part.  Having said that, THE CLIENT is replacing all of its current servers with 4 new servers, all to be equipped with a variety of VM’s running Mac OS, and that will take a fair amount of on-site time while that takes place. 

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

Physical Requirements: No physical requirement is needed for this position.

Location: Hybrid - Candidate should be local to Rockville or Bethesda, MD to be able to perform any physical maintenance 

#LI-SM3

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.

DMI values employees for 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.