Senior Network Architect – Secure Mission Networks

Markon; Chantilly (VA); On-site; USD 170,000 - 210,000; Full time

Job summary

Markon is seeking a Senior Network Engineer to support an Intelligence Community client in Chantilly, Virginia. This position will develop, engineer, and deploy technical solutions within a dedicated mission network while providing technical leadership across functional areas to deliver secure, mission-focused capabilities.

The Network Engineer will work alongside network and systems engineers to design and sustain complex network architectures addressing collaboration, connectivity, and

Qualifications

• Active TS/SCI with Full-Scope Project (preferred from this client) is required.
• Recent hands-on experience within 3 years with Cisco Data Center, WAN, LAN, and Client Access tech.
• Experience building and maintaining Cisco ACI networks and related security features.
• Hands-on with Cisco IOS-XE, NX-OS and firewall/VPN technologies (FTD/ASA).
• Strong leadership to mentor and transfer knowledge to others.

Responsibilities

• Design and deploy Data Center, LAN, WAN, and Client Access network architectures.
• Engineer, build, and maintain mission networks and systems.
• Validate and deploy network solutions within mission environments.
• Perform full lifecycle management of network systems and sustainment.
• Monitor, troubleshoot, and resolve complex network issues.
• Provide technical guidance across networking and related teams.

Skills

Network design

Cisco Data Center

Security engineering

Team leadership

Troubleshooting

Education

Bachelor's degree in a technical discipline

Associate's degree with 13+ years experience

No degree with 15+ years experience

Tools

Cisco IOS-XE

NX-OS

ACI networks

Firepower / ASA

Job description

Markon is seeking a Senior Network Engineer to support an Intelligence Community client in Chantilly, Virginia. This position will develop, engineer, and deploy technical solutions within a dedicated mission network while providing technical leadership across functional areas to deliver secure, mission-focused capabilities.

The Network Engineer will work alongside network and systems engineers to design and sustain complex network architectures addressing collaboration, connectivity, and