Principal Mechanical Design Engineer II

CesiumAstro  · Melbourne, FL  · Mar 31, 2026

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 Principal Mechanical Design Engineer II to our team. If you are great at what you do, enjoy working in a startup environment, and are passionate about developing leading-edge hardware for satellites, spacecraft, and aerospace systems, we would like to hear from you. In this position, you will be responsible for the mechanical design of Cesium products through all phases of the development process. The ideal candidate will have extensive experience in electronics packaging design, mechanical simulations and analyses, computer-aided design (CAD), spacecraft mechanical interfaces, and environmental qualification of electronic assemblies. As a principal mechanical team member, you will be responsible for mechanical designs from initial concept design through requirements definition, detailed design, simulation, analysis, manufacturing, testing, qualification, and in-orbit...

Requirements:
Bachelor of Science (BS) or Master of Science (MS) degree in Mechanical or Aerospace Engineering from an accredited university or institution.
11 years of industry experience in design and analysis of electronics packaging, including thermal, vibration, and stress dynamics, or 9 years of experience with a Master's degree.
Expertise in aerospace industry design, development, and qualification.
Expert-level proficiency with electronics assemblies and experience working closely with electrical engineers.
Expert-level proficiency with professional mechanical and FEA CAD tools, such as Solidworks Simulation.
Experience with CNC manufacturing.
Experience with EMI/EMC mitigation techniques.
Excellent written and verbal communication skills.
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Company
CesiumAstro
Location
Melbourne, FL
More jobs in Melbourne
Job Type
Full-time
Category
Mechanical
Posted
Mar 31, 2026
Source
Original posting ↗