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.
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.
Key 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
Qualifications: - 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
Requirements: - U.S. Citizenship is required for all applicants. CTP is an equal opportunity employer and abides by applicable employment laws and regulations. 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.
- Certification Requirements:
- DOD 8570 IAT Level II Certification
This position requires an active Security Clearance with appropriate Polygraph. 
