Principal Network and Protocol Architect

Description

As a Principal Network and Protocol Architect, you will be responsible for creating and evaluating innovative network concepts across multiple domains, including Wireline, RF, and Free Space Optics. This role requires deep technical expertise in network protocols, security, and cloud technologies, combined with leadership and communication skills. You will operate in a dynamic, high-impact environment where state-of-the-art solutions intersect with emerging technologies such as quantum communications.

Ability and willingness to work onsite in either San Diego, California or Arlington, Virginia is highly preferred.

Primary Responsibilities

• Develop novel networking approaches and protocol concepts that integrate traditional solutions with emerging technologies.
• Design and prototype new versions of networking protocols (e.g., extending BGP to incorporate quantum sensing for link security evaluation).
• Define, simulate, and evaluate new networking protocols and extensions to address next-generation performance and security requirements.
• Research, assess, and recommend emerging network infrastructure technologies.
• Plan, design, and optimize network systems using both novel and existing protocols.
• Produce technical documentation, mentor junior engineers, and lead knowledge transfer initiatives.

Basic Qualifications

Preferred Qualifications

This role goes beyond traditional network design and implementation. The focus is on defining and validating the next generation of networking protocols, leveraging advancements such as quantum communications and sensing. Candidates with backgrounds limited to applying pre-existing protocols are not the right fit — this position is for innovators who can invent, extend, and rigorously evaluate new protocols that will shape the future of secure, resilient, and adaptive networking.

Come break things (in a good way). Then build them smarter.

We’re the tech company everyone calls when things get weird. We don’t wear capes (they’re a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for “how it’s always been done.”

Leidos is an equal opportunities employer and welcomes applications from diverse candidates.

Pay Range

Pay Range $126,100.00 - $227,950.00

The Leidos pay range for this job level is a general guideline only and 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.

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