Senior Network Engineer
Listed on 2026-10-18
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IT/Tech
Network Engineer, Cybersecurity
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C2H District of Columbia, DC, US
30+ days ago Requisition
Imagine One Technology & Management, Ltd. is seeking a Network Engineer, Senior
, contingent upon award of the associated work. This position will be based in Washington D.C.
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.
Key Responsibilities:- 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.
Experience:
- 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, Fire Power, SRX, etc.).
- Experience supporting ATO accreditation efforts.
- Familiarity with DISA or Joint network environments.
- Bachelor’s degree plus four (4) additional years of relevant work experience may be substituted for a Master’s degree.
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).
- Active TOP SECRET/SCI clearance required.
Imagine One offers a full package of benefits and competitive salary, excellent group medical, vision, and dental programs. 401K savings plan; $4K annual tuition reimbursement ($5K if pursuing master’s degree); employee training, development, and education programs; profit sharing; advancement opportunities; and much more!
ISO 9001:2015, ISO 20000-1:2018, ISO 27001:2022
CMMI Development and Services - Maturity Level 3
CMMC Level 2 (C3
PAO)
An Employee-Owned Business
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