Senior Network Engineer

Position Overview

Senior Network Engineer provides advanced network engineering support for the design, integration, optimization, and sustainment of complex enterprise and mission networks. This role focuses on enhancing network performance, implementing scalable solutions, and supporting architectural improvements across LAN, CAN, WAN, and telecommunications environments.

The engineer translates mission and business requirements into secure, high-performing network solutions and collaborates with operations personnel, program management, and engineering teams to ensure reliable network performance in DoD/IC environments.

Primary Responsibilities

• Optimize end-to-end system performance and dataflow through analysis, monitoring tools, and data captures, minimizing latency and maximizing throughput.

• Design, integrate, configure, deploy, test, maintain, and enhance network devices and infrastructure across LAN, CAN, WAN, and telecommunications systems.

• Implement network solutions supporting server and mission requirements, including load balancing, VPNs, firewall contexts, traffic shaping, VoIP, GRE, IPSec, IP encryption, MoIP, and NAT.

• Contribute to the design and improvement of network and mission architecture to support evolving partner and mission requirements.

• Resolve complex network issues using advanced diagnostic tools such as network analyzers, WAN test equipment, and simulators.

• Support network operations by maintaining system documentation, diagrams, and accreditation artifacts while ensuring compliance with ISO 9000 and DoD/IC standards.

• Collaborate with engineering teams to support network equipment, system integrations, and infrastructure changes, including conversions and cutovers.

Basic Qualifications

• Bachelor’s degree in a related technical discipline and twelve (12) years of experience providing network engineering support. Candidates without bachelors degrees will require an additional 4 years of related experience

• Information Assurance Technical (IAT) Level I certification in accordance with DoD 8570.01-M.

• Demonstrated experience designing, implementing, and maintaining complex network infrastructures.

• Experience troubleshooting and resolving advanced network performance and integration issues.

• Active TS/SCI with Polygraph clearance

• Participate in a rotational on-call schedule (estimated every 4–6 weeks), with flexible team-managed scheduling and guaranteed on-call compensation

• Provide primarily remote on-call support; occasional on-site response may be required (rare)

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The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.