Network Engineer 3

Columbia Technology Partners • Annapolis Junction, MD

17h • Onsite

About The Position

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. The ideal candidate will bring deep technical expertise in network engineering and security, serving as a senior contributor responsible for designing secure, scalable networks and supporting mission-critical operations.

Requirements

• Bachelor's degree in a related field
• Two (2) additional years of relevant experience may be substituted for a degree
• Minimum 8 years of experience in network engineering, including LAN architecture, monitoring, security, and protection
• DoD 8570 IAT Level II certification (or equivalent)
• Extensive experience with Cisco routers, switches, firewalls, and IPSEC VPNs
• 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
• This position requires an active Security Clearance with appropriate Polygraph.

Responsibilities

• 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

Benefits

• Medical: CTP offers 3 superior plans, bringing our employees both in-network and out-of-network options.
• Vision + Dental: Both free to you + paid in full by CTP.
• Retirement: 401k - 6% company contribution
• PTO + Leave: Offering customizable leave plans to meet your needs.
• Jury Duty, Bereavement + Military Leave provided.
• Career Growth: Up to $10,000 provided for approved career-related learning, training, education, and/or tuition.
• Life and AD&D Insurance/Short-Term & Long-Term Disability: More peace of mind, at zero cost to you.
• Profit Sharing Bonus: End of year cash gets added to your bottom-line.
• Referral Bonus Program: Our tiered program provides an incentive with each stage of the hiring process your referral passes. Our bonuses range from $7,000-$20,000, if your referral joins the team.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior