Mechanical Engineer I
Confirmed on the employer's own hiring board on Oct 13, 2026. First seen by Alion on Oct 13, 2026. CesiumAstro scores A on the Alion truth index.
We are looking to add a 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 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.
JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS
- Bachelor's degree in mechanical engineering, aerospace engineering, civil engineering, industrial design, engineering technology, or a related technical field with 0-2 years of related experience in mechanical engineering, structural analysis, stress analysis, CAD, product design, or a related engineering discipline.
- Understanding of mechanical engineering principles
- Analytical, troubleshooting, and problem-solving skills.
- Experience with CAD tools such as SolidWorks, CATIA, Creo, or AutoCAD
- Practical understanding of DFM/DFMA implications of material and process selection
- Knowledge of GD&T, drafting standards, and engineering documentation practices.
- Experience with Engineering analysis tools such as (ANSYS, MATLAB, or similar)
- Experience with CNC manufacturing
- Excellent written and verbal communication skills
PREFERRED EXPERIENCE
- Familiarity with electronics assemblies and experience working closely with electrical engineers.
- Aerospace industry design, development, qualification, and aerospace manufacturing processes
- Experience in electronics packaging, including thermal, vibration, and stress dynamics or in spacecraft structures and mechanisms
- Experience with EMI/EMC mitigation techniques.