SME Network and Computer Systems Administrator

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, efcient, and cost-effective solutions that drive measurable results. Learn more at www.dminc.com

DMI, LLC is seeking a Subject Matter Expert in Network and Computer Systems Administration to join us

Duties and Responsibilities:

The Subject Matter Expert in Network and Computer Systems Administration is the senior technical authority on enterprise infrastructure operations and administration within the TALON program, providing expert-level guidance on the most complex network and systems engineering challenges encountered across TSA's distributed IT environment.
• This individual advises engineering teams, the O&M contractor, and TSA leadership on infrastructure architecture, configuration management best practices, and lifecycle strategies for servers, networking equipment, workstations, and cloud-hosted systems.
• The SME is a key resource in resolving escalated technical issues and ensuring operational continuity across TSA's 24x7x365 environment.
• In this role, the SME in Network and Computer Systems Administration provides technical oversight and quality review of infrastructure designs, transition packages, and operational runbooks produced by senior and journeyman-level administrators.
• The individual contributes to strategic decisions regarding infrastructure modernization, including migration to cloud-native services, SD-WAN deployments, and Windows 11 enterprise rollouts.
• The SME also supports the development of TSA's enterprise standards for Active Directory, endpoint management, virtualization, and system hardening, ensuring alignment with DHS cybersecurity requirements and Zero Trust architecture principles.

Education and Years of Experience:

• A minimum of 9 years of advanced network and systems administration experience in large federal or enterprise environments is required, with expert-level proficiency in Windows Server, Active Directory, enterprise networking, cloud infrastructure, and endpoint management platforms.
• Demonstrated experience serving as a technical authority in complex, multi-vendor federal IT environments is expected.
• All personnel must be U.S. citizens or Lawful Permanent Residents with the ability to obtain TSA fitness determination, PIV card access, and Computer Access Agreement compliance, and must be available to support after-hours infrastructure maintenance as directed by the TSA Contracting Officer.

Background Requirements: Successful completion of a Public Trust background investigation and/or a Public Trust clearance.

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

Physical Requirements: None required for this position.

Location: Remote, US

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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.