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Communication Systems Engineer

Trinzic

Lexington, MA · Posted October 7, 2026

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About the job

Title: Communication Systems Engineer

Belong. Connect. Grow. with KBR!

At KBR, we deliver science, technology and engineering solutions to governments and companies around the world. KBR employs approximately 37,000 people worldwide with customers in more than 85 countries and operations in over 28 countries. KBR is proud to work with its customers across the globe to provide technology, value-added services, and long-term operations and maintenance services to ensure consistent delivery with predictable results.

Trinzic is the future independent company to be created through the planned spin-off of KBR's Mission Technology Solutions business, expected in January 2027. Our people work at the frontier of what is possible, delivering solutions in challenging environments and advancing some of the world's highest-priority national security and space missions. Backed by decades of mission success, deep expertise, and trusted partnerships, Trinzic will launch as a global organization with more than 18,000 employees supporting customers around the world. Join us at a defining moment and help shape the future of a company built to tackle complex challenges and make a meaningful impact.

Candidates who join KBR's Mission Technology Solutions business before the spin-off will transition to Trinzic when the separation is complete and will not need to reapply for employment.

KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country’s most critical role – protecting our national security.

We are seeking a Communication Systems Engineer to support the MIT LL team.

Why Join Us?

Innovative Projects: Enable critically important communications over vast distances by being the team member to innovate and overcome technical challenges as we spearhead new solutions through advanced prototyping.

Collaborative Environment: Come join a team of enthusiastic engineers engaged in creating the next generation of cutting-edge laser communication systems technology.

Impactful Work: Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space defense and/or defense.

Key Responsibilities:

Development of baseband communication link and channel models for SATCOM systems

Development of communication system performance analysis models for SATCOM systems

Processing and analysis of test data captured in hardware tests

Work Environment:

Location: Predominantly on-site

Travel Requirements: Willing and able to travel (up to 10%, typically CONUS)

Working Hours: Standard

Required Qualifications:

Active DoD Secret clearance

Proficiency in Matlab

Bachelors Degree

6 years applicable experience

Understanding of digital modulation techniques and forward error correction coding implementation

Experience with signal processing algorithm implementation to support link establishment and closure

Experience with creating SATCOM system performance models

Good oral and communication skills

Outgoing and energetic with the ability to work within a team environment

Desired Qualifications:

Familiarity with Python

Familiarity with modeling hardware impairments

Possess strong oral and written communications skills, and must be able to present findings/results to internal and external organizations

Willing and able to travel (up to 25%, typically CONUS)

MS in EE, CS, or Physics

Basic Compensation: For MA only, the salary range is approximately $121,100 - $181,600​ USD annually . The offered rate will be based on the selected candidate’s knowledge, skills, abilities and/or experience and in consideration of internal parity.

Ready to Make a Difference? If you’re excited about making a significant impact in the field of space defense and working on projects that matter, we encourage you to apply and join our team at KBR. Let's shape the future together.

Belong, Connect and Grow here

We are passionate about our people and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a People First company. That commitment is central to our team of team’s philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver – Together.

We is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law.