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Mechanical Engineer II

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

Location
Westminster, CO, United States
Compensation
Not disclosed
Level
mid
Type
full time

Posted by employer 1 day ago

First seen on Joblaze 13 hours ago

Last verified on the company career page 13 hours ago

Apply at CesiumAstro → Save job Scanned from cesiumastro.com

What you'll build

  • mechanical designs from initial concept to in-orbit support
  • thermal management design
  • precision machining principles
  • environmental qualification of electronic assemblies
  • present engineering design review materials

Must have

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

Practical constraints

  • must be a U.S. citizen or authorized to work in the U.S.

Requirements

Visa
No sponsorship (stated in posting)

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

Joblaze summary

In this role, the Mechanical Engineer II at CesiumAstro focuses on the mechanical design of advanced communication systems for aerospace applications, overseeing projects from concept to in-orbit support. Key skills include expertise in CAD, thermal management, and mechanical simulations, alongside a strong grasp of EMI/EMC techniques and FEA. This position is suited for engineers with a solid background in aerospace or related fields, particularly those who thrive in a startup environment. The team emphasizes collaboration and hands-on work, contributing to innovative satellite and UAV technologies.

Joblaze insights

  • Listed today — first seen on Joblaze October 9, 2026. Last confirmed on CesiumAstro's careers page October 9, 2026.
  • This exact title is also open at 2 other locations at CesiumAstro: Melbourne, FL, Austin, TX.
  • CAD appears in 3.7% of 3087 comparable mid other roles in United States; Thermal management appears in 0.2% of 3087 comparable mid other roles in United States.

Quick facts

What's the tech stack?
Joblaze extracted these technologies from the posting: CAD, Mechanical Design, Thermal management, electromagnetic interference mitigation, finite element analysis, shock and vibration simulation.
What seniority level is this role?
CesiumAstro targets mid-level candidates for this position.
Is this full-time or contract?
Full-time for this Mechanical Engineer II 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.   The Skylark product line is focused on the rapid design, build, and test of cutting-edge active phased array antennas (AESA) for terrestrial and airborne applications. Current programs span high-power, large-scale ground terminals for missile defense to commercial airline and helicopter connectivity solutions.   We are looking to add a Mechanical Design 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. Required skills and experience 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 will also present engineering design review materials to our customers and leadership team. As such, excellent written and verbal communication skills are required.

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