• Job Description

  Req#: 28648
  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 www.dminc.com
  
  About the Opportunity
  
  DMI, LLC is seeking a Senior Computer Network Support Specialist to join us
  
  Duties and Responsibilities:
  
  • The Senior Computer Network Support Specialist provides advanced technical support and engineering assistance for TSA's enterprise network infrastructure, delivering expert-level troubleshooting, configuration, and optimization services across LAN/WAN, campus networking, wireless systems, and cloud connectivity environments.
  • This individual works alongside network architects and the O&M contractor to resolve complex network performance and reliability issues, supports the implementation and validation of new network capabilities, and contributes to the development of network standards and operational procedures.
  • The Senior Computer Network Support Specialist plays a critical role in ensuring TSA's network environment meets the availability and performance requirements of a 24x7x365 mission-critical operation.
  • Key responsibilities include providing Tier 2/3 network troubleshooting support during engineering deployments and transition periods, conducting network health assessments and performance analyses, and developing configuration documentation and operational runbooks for implemented network solutions.
  • The Senior Computer Network Support Specialist also supports cutover planning and execution for network upgrades and migrations, participates in 14-day operational testing periods following transitions, and provides technical input to lifecycle replacement assessments for aging network equipment.
  • The individual coordinates closely with TSA's O&M contractor to ensure seamless knowledge transfer and operational readiness at the conclusion of each engineering project.
  
  
  Qualifications
  
  Education and Years of Experience:
  
  • A minimum of 6 years of enterprise network support and engineering experience is required, with demonstrated proficiency in routing and switching, network diagnostics, wireless systems, and enterprise network management tools.
  • Experience supporting federal network environments governed by DHS cybersecurity standards is preferred. Relevant certifications such as CCNP or equivalent are valued.
  • All personnel must be U.S. citizens or Lawful Permanent Residents capable of obtaining TSA fitness determination and PIV card access, and must be available to support after-hours network maintenance and deployment activities.
  
  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
  
  #LI-MS3
  
  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.
  
  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.

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