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# Senior Network Engineer

- **Company:** Imagine One
- **Location:** Washington, DC, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Computer Networks, Network Security, Network Troubleshooting, Network Architecture, Network Diagrams, Performance Tuning, Wide Area Networks, Network Routers, Firewalls (Computer Science), Juniper, Enterprise Integration, Firepower, Firewall Services Module, Cisco
- **Published:** November 2, 2026
- **Apply:** https://www.juju.com/job/15_9ea5ed87

## About the Role

* 10+ years of enterprise network engineering experience.
 * Experience supporting DoD or Navy network environments.
 * Experience with Cisco routing and switching technologies.
 * Experience with firewall configuration (ASA, FirePower, SRX, etc.).
 * Experience supporting ATO accreditation efforts.
 * Familiarity with DISA or Joint network environments.

Education Requirements:

 * Master's degree preferred.
 * Bachelor's degree plus four (4) additional years of relevant work experience may be substituted for a Master's degree.

Minimum Certifications:

 * Cisco Certified Network Associate (CCNA)/Interconnecting Cisco Network Devices II (ICND2) or equivalent (e.g. Juniper Networks and CompTIA).
 * IAT Level III at contract award (IAT certification in accordance with DODD 8140).

Security Requirements:

 * U.S. Citizen.
 * Active TOP SECRET/SCI clearance required.

## Description

The Senior Network Engineer will provide enterprise-level network engineering support for DoD environments, including architecture design, implementation, modernization, and sustainment of secure WAN/LAN infrastructures across classified and unclassified systems., * Design, configure, and maintain enterprise WAN/LAN network architectures.

 * Implement and manage routers, switches, firewalls, and secure network devices.
 * Support network modernization and infrastructure upgrades.
 * Perform network troubleshooting, fault isolation, and performance optimization.
 * Develop and maintain network diagrams and configuration documentation.
 * Implement STIGs and support cybersecurity compliance activities.
 * Coordinate with Government stakeholders to support network integration and sustainment.