Senior Network Architect & Security Expert

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

Benefits offered by this job

Medical plans

Vision & Dental

401k

PTO & Leave

Career growth

Life & Disability

Profit sharing bonus

Referral bonus

Job summary

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

The ideal candidate will bring deep expertise in network architecture and security, supporting large-scale datacenter environments and ensuring reliable, secure, and high-performing network

Qualifications

• Bachelor's degree required; five additional years may substitute for the degree
• 10+ years of network engineering experience 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

Network engineering

Security architecture

System-level design

Datacenter support

Education

Bachelor's degree in a related field

Tools

Cisco routers/switches

IPSEC VPNs

Firewalls

Job description

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

The ideal candidate will bring deep expertise in network architecture and security, supporting large-scale datacenter environments and ensuring reliable, secure, and high-performing network