Senior Network Engineer - DoD-Secure WAN/LAN Design

Arenatechnologies; Chantilly (VA); On-site; USD 135,000 - 165,000; Full time

Job summary

Systems Planning and Analysis, Inc. (SPA) in Chantilly, VA is seeking a Network Engineer to design, implement, monitor and manage secure LAN/WAN solutions to maximize uptime for mission users.

This role requires configuring routers, switches, and firewalls (Cisco, Dell, Juniper), documenting deployments, and aligning with security controls and DoD 8570/8140 requirements. The ideal candidate has 8–10 years of hands-on networking experience, US citizenship, active Top Secret/SCI clearance, and the

Qualifications

• Bachelor’s Degree in information technology, or related field (or equivalent experience).
• Minimum of 8–10 years directly related experience.
• Experience with routing, switching, and firewall configuration in multi-vendor environment (Dell, Cisco, Juniper).
• Experience in WAN, LAN, out-of-band management, and Storage architecture and environments.
• Problem solving and time management capabilities.
• Experience working independently and in team-oriented, collaborative environment.
• US Citizenship required and security investigation eligibility for access to classified information.
• DoD 8570 / 8140 compliant certification.
• Active security clearance (Top Secret/SCI) and ability to maintain it throughout employment.

Responsibilities

• Design and implement new network solutions and/or improving the efficiency of current networks.
• Install, configure, test, maintain, monitor, troubleshoot and support network equipment including virtual and physical routers, switches, firewalls (Cisco, Dell).
• Configure firewalls, routing and switching to maximize network efficiency and security.
• Maximizing network performance through ongoing monitoring and troubleshooting.
• Accurately document instances of network equipment or component failure, repair, installation, and removal.
• Investigating faults in the network, perform analysis, diagnose, and resolution of complex network problems, and recommend and implement corrective actions.
• Coordinate services, troubleshooting, and resolutions with 3rd party transport providers.
• Perform capacity analysis and planning to ensure growing traffic demand.
• Coordinate and execute scheduled upgrades.
• Reporting network status to key stakeholders.
• Accurately document and maintain ATO documentation including SOP development and artifact submission to ISSM/government representatives.
• Assist in monitoring Cybersecurity continuous monitoring requirements (SIEM, log review, validation of security controls, hardening).
• Interface with third-party support and equipment vendors as needed.

Skills

Routing & Switching

Firewall Configuration

DoD 8570/8140

Security Clearance

US Citizenship

Education

Bachelor's Degree

Tools

Dell

Cisco

Juniper

Job description

Systems Planning and Analysis, Inc. (SPA) in Chantilly, VA is seeking a Network Engineer to design, implement, monitor and manage secure LAN/WAN solutions to maximize uptime for mission users.

This role requires configuring routers, switches, and firewalls (Cisco, Dell, Juniper), documenting deployments, and aligning with security controls and DoD 8570/8140 requirements. The ideal candidate has 8–10 years of hands-on networking experience, US citizenship, active Top Secret/SCI clearance, and the