Senior Network Architect — Secure, Multi-Site DC Expert

Columbia Technology Partners, Inc; Maryland; On-site; USD 175,000 - 205,000; Full time

Job summary

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

The candidate will bring deep expertise in network architecture, security, large-scale datacenter support, and ensuring reliable, secure network operations.

Qualifications

• Bachelor's degree in a related field; five additional years 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).

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

Security

IPSEC VPNs

Network engineering

Cisco equipment

Education

Bachelor's degree in related field

Job description

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

The candidate will bring deep expertise in network architecture, security, large-scale datacenter support, and ensuring reliable, secure network operations.