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Network Engineer 3

United States, Annapolis Junction Employment contract 155000.00 - 185000.00 USD / Year · Job Posted June 30, 2026
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Job Description

Columbia Technology Partners is seeking a Network Engineer 3 to lead the design, implementation, and optimization of enterprise network environments. This role focuses on advanced network architecture, security enforcement, and performance across complex, high-scale datacenter and enterprise infrastructures.

Job Responsibility

  • Lead the design, implementation, and maintenance of enterprise network architectures across LAN and datacenter environments
  • Architect and enforce network security solutions, including firewalls, access controls, and secure boundaries
  • Install, configure, and troubleshoot advanced network devices including routers, switches, firewalls, and load balancers
  • Oversee network performance, capacity planning, and optimization efforts
  • Configure and manage secure communications, including IPSEC VPNs and encryption solutions
  • Analyze network traffic and lead packet capture and troubleshooting efforts
  • Apply deep knowledge of TCP/IP, routing, and switching protocols to maintain resilient network operations
  • Support virtualization technologies, including VMware and container-based environments
  • Maintain documentation and track tasking through ticketing systems
  • Participate in on-call operations and support high-availability production environments

Requirements

  • U.S. Citizenship is required for all applicants
  • All applicants and employees are subject to random drug testing in accordance with Executive Order 12564
  • Employment is contingent upon successful completion of a security background investigation and polygraph
  • DoD 8570 IAT Level II certification (or equivalent)
  • Minimum 8 years of experience in network engineering, including LAN architecture, monitoring, security, and protection
  • Extensive experience with Cisco routers, switches, firewalls, and IPSEC VPNs
  • Bachelor's degree in a related field (or two additional years of experience substituted for a degree)
  • Active Security Clearance with appropriate Polygraph

What we offer

  • Medical plans (3 superior plans with in-network and out-of-network options)
  • Vision + Dental (free, paid in full by CTP)
  • Retirement: 401k - 6% company contribution
  • PTO + Leave (customizable leave plans
  • Jury Duty, Bereavement + Military Leave provided)
  • Career Growth: Up to $10,000 for approved career-related learning, training, education, and/or tuition
  • Life and AD&D Insurance/Short-Term & Long-Term Disability (at zero cost to you)
  • Profit Sharing Bonus (end of year cash)
  • Referral Bonus Program ($7,000-$20,000 if referral joins)

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