CesiumAstro

Principal Mechanical Engineer I

CesiumAstro$134K — $161K *
Aerospace & Defense
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's or Master's degree in Mechanical or Aerospace Engineering from an accredited institution.
  • 9 years of industry experience in electronics packaging design and analysis.
  • Expertise in packaging high-power and high-density electronic assemblies.
  • Strong knowledge of thermal management techniques for space or high-power electronics.
  • Experience with mechanical design in launch and spaceflight environments.
  • Proficient in finite element analysis and thermal simulation tools (like Ansys).
  • Expert-level skill with mechanical CAD tools (e.g., SolidWorks).

Responsibilities

  • Lead mechanical design from concept to in-orbit support of Cesium products.
  • Conduct detailed mechanical simulations and analyses for product development.
  • Oversee thermal management design to ensure system reliability.
  • Implement shock and vibration analysis for aerospace applications.
  • Mitigate electromagnetic interference/compatibility issues in designs.
  • Guide cost analysis to optimize mechanical designs.
  • Mentor junior engineers and facilitate engineering design reviews.

Benefits

  • Company stock options.
  • Health, dental, and vision insurance.
  • Health Savings Account (HSA) and Flexible Spending Account (FSA).
  • Life insurance and retirement plans.
Full Job Description
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.

We are looking to add a Principal Mechanical Engineer I 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 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 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. Principal engineers also serve as technical and professional mentors in their field.

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.

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS

  • A Bachelor of Science (BS) or Master of Science (MS) degree in Mechanical or Aerospace Engineering from an accredited university or institution.
  • 9 years of industry experience in design and analysis of electronics packaging, including thermal, vibration, and stress dynamics.
  • Demonstrated expertise in packaging high-power and high-density electronic assemblies.
  • Strong understanding of thermal management techniques for spaceborne and/or high-power electronics.
  • Experience designing hardware for launch and spaceflight environments (or similar).
  • Expertise in finite element analysis and thermal simulation tools (Ansys or similar).
  • Expert-level proficiency with professional mechanical CAD tools (SolidWorks or similar).
  • Experience with precision machining, advanced manufacturing processes, and tolerance analysis.
  • Experience with EMI/EMC mitigation techniques.
  • Strong understanding of GD&T and aerospace drawing practices.
  • Excellent written and verbal communication skills.


PREFERRED EXPERIENCE

  • Experience packaging digital, power or RF printed circuit board assemblies.
  • Experience with spacecraft payloads, avionics, or power systems.
  • Knowledge of NASA, DoD, ESA, or commercial space qualification standards.
  • Experience with thermal vacuum testing and spacecraft environmental qualification.
  • Familiarity with materials selection for radiation and outgassing environments.


$134,000 - $161,000 a year

CesiumAstro considers several factors when extending an offer, including but not limited to, the role and associated responsibilities, a candidate's work experience, education/training, and key skills. Full-time employment offers include company stock options and a generous benefits package featuring health, dental, vision, HSA, FSA, life and retirement plans.

About CesiumAstro

CesiumAstro is a technology company that provides advanced communications systems for satellite and space-based applications. The company's systems use advanced software-defined radio technology to provide high-bandwidth, low-latency communications for a variety of applications, including remote sensing, earth observation, and satellite communications. CesiumAstro's systems are designed to be highly modular and scalable, allowing them to be easily integrated into a wide range of satellite and space-based platforms. The company was founded in 2017 and is based in Austin, Texas.
Learn more about CesiumAstro
Size
100 employees
Industry
Net Income
-$1 million
Founded
2017
5 Year Trend
+80%
Revenue
$5 million

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