Joblaze summary

In this role, the Senior Staff Mechanical Engineer at CesiumAstro focuses on the mechanical design of phased array antennas and related subsystems throughout the entire development lifecycle. Key skills include mechanical analysis, CAD proficiency, and experience with thermal architecture and spacecraft propulsion. This position is well-suited for experienced engineers who thrive in a startup environment and have a strong background in space hardware development. The role also involves presenting design materials to stakeholders and contributing to proposal efforts.

Joblaze insights

Listed today — first seen on Joblaze November 14, 2026. Last confirmed on CesiumAstro's careers page November 14, 2026.
This exact title is also open at 3 other locations at CesiumAstro: El Segundo, CA, El Segundo, CA, Westminster, CO.
Mechanical Engineering appears in 4.1% of 294 comparable staff other roles in United States; deployable structures appears in 0.3% of 294 comparable staff other roles in United States.

Quick facts

Is the Senior Staff Mechanical Engineer role remote?: No — this is an on-site role in Melbourne, FL, United States.
Where is the role based?: CesiumAstro is hiring for this position in Melbourne, FL, United States.
What's the tech stack?: Joblaze extracted these technologies from the posting: CAD, Mechanical Engineering, deployable structures, environmental qualification, spacecraft propulsion, thermal architecture.
What seniority level is this role?: CesiumAstro targets staff-level candidates for this position.
Is this full-time or contract?: Full-time for this Senior Staff Mechanical Engineer role at CesiumAstro.

From the original posting

Please Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State. At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team. We are looking to add a Senior Mechanical Engineer to our Mechanical Engineering team. If you enjoy working in a startup environment and are passionate about developing space hardware for leading-edge communications satellites, we would like to hear from you. In this position, you will be responsible for mechanical design aspects of Cesium phased array antennas, subsystems, and interfaces through all phases of the development process. The ideal candidate will be versatile and proficient in mechanical analysis, electronics packaging, computer-aided design (CAD), mechanical interfaces, thermal architecture, spacecraft propulsion, deployable and actuated structures, and environmental qualification of spacecraft antennas and payloads. You will be responsible for mechanical designs from concept through space flight including requirements definition, architecture trades and block diagrams, analysis, manufacturing, testing, qualification, and in-orbit support. The successful candidate will also present engineering design review materials to our customers and executive team, as well as participate in proposal-writing efforts. As such, excellent written and verbal communication skills are required.

Senior Staff Mechanical Engineer

Similar positions