Senior Network Architect & Security Engineer

Columbia Technology Partners, Inc; Annapolis (MD); On-site; USD 100,000 - 150,000; Full time

Job summary

Columbia Technology Partners, Inc is seeking a Technical/Functional Expert (Network) to provide advanced network engineering across enterprise environments. The role emphasizes system-level design, security architecture, and performance optimization within multi-site infrastructures.

The candidate will bring deep expertise in network architecture and security, supporting large-scale datacenters and ensuring reliable, secure network operations. U.S.

Qualifications

• Bachelor's degree in a related field; five additional years of relevant experience may substitute for a degree.
• Minimum 10 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.

Responsibilities

• Provide advanced network engineering support, including system-level design and architecture.
• Design and implement secure network architectures and enterprise security boundaries.
• Support datacenter virtualization and large-scale CAN/MAN/LAN environments.
• Install, configure, troubleshoot, and optimize routers, switches, firewalls, and load balancers.
• Implement and manage IPSEC VPNs and secure communication channels.
• Analyze network traffic using packet capture tools for troubleshooting and performance optimization.
• Lead troubleshooting efforts and provide expert-level support for network infrastructure issues.
• Develop system diagrams and present technical solutions to stakeholders.
• Collaborate across teams to ensure secure, scalable, and high-performance network operations.

Skills

LAN architecture

Network security

Datacenter networking

Troubleshooting

VPN/IPsec

Education

Bachelor's degree in related field

Five years experience substitute

Tools

Cisco devices

Firewalls

IPSEC VPNs

Job description

Columbia Technology Partners, Inc is seeking a Technical/Functional Expert (Network) to provide advanced network engineering across enterprise environments. The role emphasizes system-level design, security architecture, and performance optimization within multi-site infrastructures.

The candidate will bring deep expertise in network architecture and security, supporting large-scale datacenters and ensuring reliable, secure network operations. U.S.