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# Senior Network Engineer

- **Company:** QUANTUM SKY LLC
- **Location:** McLean, VA, United States
- **Experience:** Expert
- **Salary:** $230,000.0 - $250,000.0
- **Contract:** Permanent contract
- **Skills:** Link Aggregation (Ethernet), Border Gateway Protocol, Network Operating System (NOS), System Configuration, Data Centers, Linux, Ethernet, Identity and Access Management, Network Architecture, Remote Direct Memory Access
- **Published:** October 1, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9215357/senior-network-engineer

## About the Role

* Proven experience in designing, configuring, and managing complex BGP, VxLAN and Layer 2/3 Data Center architectures.
 * Expertise in designing and troubleshooting complex L2/L3 topologies.
 * Experience with redundancy protocols such as MCLAG (Multi-Chassis Link Aggregation Group) or LACP.
 * Experience with Spine-Leaf data center fabrics, architecture design, and implementation.
 * Ability and willingness to become skilled at troubleshooting, designing, and monitoring RDMA over Converged Ethernet (RoCEv2) supporting ultra high-speed data transfers.
 * Excellent communication and teamwork skills; ability to collaborate effectively with cross-functional teams.
 * Ability to travel up to 20% of the time (domestic and international) as required.
 * Strong problem-solving skills, attention to detail, and a commitment to quality work.
 * Ability to stay updated on industry trends and technology advancements; willingness to continue learning new things.
 * Linux-Based NOS (Network Operating System) experience preferred.

Clearance:

 * Active TS/SCI clearance with Counterintelligence polygraph
 * Have current IAM Level II to satisfy DOD 8570 IAT requirements

## Description

* Design, configure, troubleshoot, and maintain cutting edge and complex Layer 2/3 data center architectures using BGP, ECMP, VxLAN, MCLAG, Spine/Leaf topologies, RoCEv2, and other related technologies.
 * Collaborate with cross-functional teams to understand business requirements and translate them into effective network solutions.
 * Provide expert guidance and support to junior team members, assisting them in their professional growth and development.
 * Stay updated on the latest networking trends and best practices; proactively seek out new learning opportunities to enhance technical expertise.
 * Contribute to the documentation of network infrastructure designs and configurations for future reference and knowledge sharing among team members.
 * Travel up to 20% of the time, as required, to perform on-site installations, maintenance, and troubleshooting activities at customer sites or data centers.