> Markdown version of [/jobs/ext/3654050-network-engineer-active-secret-clearance-required](https://www.wearedevelopers.com/jobs/ext/3654050-network-engineer-active-secret-clearance-required). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Engineer- Active Secret Clearance Required - **Company:** Veterans Inc. - **Location:** Clarksville, VA, United States - **Experience:** Expert - **Salary:** $145,000.0 - **Contract:** Permanent contract - **Skills:** Synchronous Optical Networking, Computer Networks, Wavelength-Division Multiplexing, Network Architecture, Ring Networks, Wide Area Networks, Enterprise Software Applications, SC Clearance, Transport Protocols - **Published:** October 9, 2026 - **Apply:** https://www.disabledperson.com/jobs/75970012-network-engineer-active-secret-clearance-required ## About the Role * 5+ years of experience engineering, operating, and troubleshooting carrier-grade optical transport networks, DWDM systems, or fiber-based metropolitan-area transport infrastructures. * 5+ Years of Tier 2-3 Network Engineering and Administration. * Engineering familiarity with enterprise network routing and switching systems for LAN/WAN connectivity * Hands-on experience with DWDM transport systems, optical amplifiers, multiplexers/demultiplexers, transponders, and ROADM-class equipment * Understanding of metropolitan fiber-optic ring topologies, protection schemes, and failover mechanisms (e.g., UPSR/BLSR-style concepts and OTN equivalents: ODUk (Optical Data Unit) sub-layer protection mechanisms and ODU-MS/RING protection.) * Knowledge of legacy or carrier-grade transport protocols analogous to Optical Transport Network (OTN) technology framing, alarms, and OAM functions * Experience working with carrier transport systems during migration phases (e.g., transitioning services between backbone networks or protected optical segments) * CCNA, JNCIA/JNCIS, Ciena, Infinera, Nokia Optical, or equivalent networking/optical transport certification preferred. * Must be a U.S. citizen with an Active Secret Clearance. ## Description The Network Engineer will provide technical expertise in the engineering, operation, and sustainment of metropolitan-area fiber transport systems using Dense Wavelength Division Multiplexing (DWDM), ring-based fiber topologies, and network architectures such as Optical Transport Network (OTN) technology and SONET/SDH. This role supports mission-critical enterprise transport services across Department facilities, ensuring resilient, secure, and high-performance connectivity between IT networks., * Engineer, maintain, and troubleshoot DWDM optical transport systems supporting metropolitan-area networks, including power levels, optical budgets, wavelength assignments, and fault isolation. * Support the reliable operation of fiber-optic ring networks, including monitoring of protection switching, managing topology changes, and ensuring continuity of critical data paths. * Diagnose transport-layer events using carrier-grade telemetry, alarm structures, and diagnostic indicators analogous to SONET (LOS, LOF, AIS, RDI, etc.). * Develop and maintain documentation, diagrams, optical power logs, wavelength plans, and standard operating procedures. * Provide technical input for modernization efforts involving fiber plant upgrades, DWDM system enhancements, or new optical routes.