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Mechanical Engineer I

Join CesiumAstro as a Mechanical Engineer I to develop cutting-edge hardware for aerospace systems in a dynamic startup environment.

Location
Melbourne, FL, United States
Compensation
Not disclosed
Level
junior
Type
full time · On-site

Posted by employer 2 days ago

First seen on Joblaze 15 hours ago

Last verified on the company career page 15 hours ago

Apply at CesiumAstro → Save job Scanned from cesiumastro.com

What you'll build

  • mechanical designs of Cesium products
  • requirements definition
  • detailed design
  • simulation and analysis
  • testing and qualification

Must have

  • proficient in electronics packaging design
  • mechanical simulations and analyses
  • computer-aided design (CAD)
  • thermal management design
  • shock and vibration simulation and analysis
  • electromagnetic interference/compatibility mitigation techniques

Nice to have

  • experience with geometric dimensioning and tolerancing (GD&T)
  • experience with cost analysis

Practical constraints

  • must be a U.S. citizen or lawful permanent resident

Requirements

Visa
No sponsorship (stated in posting)

Not disclosed in this posting: compensation, years of experience.

Joblaze summary

In the role of Mechanical Engineer I at CesiumAstro, the individual will engage in the mechanical design of products throughout the entire development lifecycle, from concept to in-orbit support. Key skills include proficiency in CAD, thermal management, and mechanical simulations, alongside a solid understanding of EMI/EMC techniques and FEA. This position is suited for someone with a background in aerospace or mechanical engineering, ideally with experience in a startup environment. The team emphasizes collaboration and hands-on work, reflecting the company's innovative approach to aerospace technology.

Joblaze insights

  • Listed today — first seen on Joblaze October 15, 2026. Last confirmed on CesiumAstro's careers page October 15, 2026.
  • Mechanical Engineering appears in 5% of 479 comparable junior other roles in United States; finite element analysis appears in 0.8% of 479 comparable junior other roles in United States.

Quick facts

Is the Mechanical Engineer I 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, Electromagnetic Interference, Mechanical Engineering, Thermal management, finite element analysis, shock and vibration analysis.
What seniority level is this role?
CesiumAstro targets junior candidates for this position.
Is this full-time or contract?
Full-time for this Mechanical Engineer I 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 Mechanical Engineer II to our team. If you 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 mechanical designs of Cesium products through all phases of the development process. The ideal candidate will be proficient in electronics packaging design, mechanical simulations and analyses, computer-aided design (CAD), spacecraft mechanical interfaces, and environmental qualification of electronic assemblies.  As a Cesium 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 support of Cesium's products. The ideal candidate will have  skills and experience that include thermal management design, precision machining principles, thermal simulation and analysis, shock and vibration simulation and analysis, electromagnetic interference/compatibility (EMI/EMC) mitigation techniques, geometric dimensioning and tolerancing (GD&T), finite element analysis (FEA), and cost analysis to develop, validate, and optimize mechanical designs.  The successful candidate may also present engineering design review materials to our customers and leadership team -  excellent written and verbal communication skills are required.

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