Senior Network Engineer

Senior Network Engineer

Job :

Category: System Engineering

Location: US-VA-Mc Lean

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

DMI, LLC is seeking a Lead Network Engineer to join us.

• Lead the design and implementation of OMC network infrastructure across multiple locations.
• Provide operations and maintenance (O&M) support for NIPRNet, SIPRNet, JWICS, and SAP networks.
• Install, monitor, manage, and support switches, routers, and data circuits for voice, data, and video systems.
• Ensure secure configuration of network infrastructure in compliance with DoD cybersecurity policies.
• Maintain and update as-built cabling/fiber documentation and network diagrams.
• Install, configure, and maintain network encryption devices.
• Manage IP address allocations to optimize performance and maintain network security.
• Troubleshoot and resolve complex network issues, coordinating with internal and external stakeholders.
• Advise OMC IT leadership on the integration of innovative technologies to meet mission requirements.
• Lead engineering and installation (E&I) support for LAN wiring and fiber optic terminations.

Education and Years of

Experience:

Bachelor's Degree, preferred degree is in an IT‑related field

• Certifications:
  
  Cisco Certified Network Professional (CCNP) Enterprise, DoD 8570.01M IAT‑Level II
• Experience:
  
  10+ years of DoD Network Engineering experience, 7+ years of performing tasks similar in size and scope
• Extensive experience with DoD network infrastructure and security protocols.
• Proficiency in configuring and managing Cisco or equivalent network devices.
• Strong understanding of encryption technologies and IP management.
• Experience with fiber optic and LAN cabling standards and practices.
• Ability to lead technical teams and coordinate with multiple stakeholders.
• Familiarity with SAP systems and secure enclave environments (preferred).
• Experience supporting remote and OCONUS locations (preferred).
• Knowledge of DoD RMF, NIST, and cybersecurity compliance frameworks (preferred).

Successful completion of a government security screening and/or a Top Secret Clearance.

• Top Secret w/ SCI eligibility

Must be a U.S. Citizen.

There are no physical requirements for this position.

Arlington, VA

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.

*** 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.