
Real job — pulled straight from CesiumAstro’s careers page · Verified October 7, 2026 · No reposts.
Job description
CesiumAstro is hiring a Senior Staff Mechanical Engineer — a full-time, based in Westminster, CO role. Apply directly on CesiumAstro's careers page below.
Senior Staff Mechanical Engineer
Team: Mechanical
Location: Westminster, CO
Commitment: Full-time
Workplace Type: onsite
We are looking to add a Senior Staff Mechanical Engineer 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 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), aircraft mechanical interfaces, and environmental qualification of electronic assemblies (MIL-STD-810 and DO-160G).
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 field 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, environmental compatibility analysis, 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 well as participate in proposal-writing efforts. As such, excellent written and verbal communication skills are required.
JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS
-
BS or MS in Mechanical Engineering, Aerospace Engineering, or a related technical field.
-
Minimum of 12 years of industry experience in design and analysis of avionics or ruggedized embedded electronics packaging, including thermal, vibration, and stress dynamics or in aircraft structures and mechanisms. A Master’s degree may count as two years of experience.
-
Familiarity with electronics assemblies and experience working closely with electrical engineers.
-
Familiarity with design for test, manufacturability, assembly, and reliability.
-
Experience with CAD software packages, such as SolidWorks.
-
Experience with professional mechanical and FEA CAD tools, such as Ansys.
-
Experience with CNC manufacturing.
-
Experience with EMI/EMC mitigation techniques.
-
Excellent written and verbal communication skills.
PREFERRED EXPERIENCE
-
Aerospace industry design, development, and qualification.
-
Proven experience as a technical lead on a program or project.
-
Experience with aircraft/airframe integration.
-
Experience with FAA certification to DO-160G requirements or environmental qualification to MIL-STD-810 requirements.
Get Mechanical Engineer jobs like this→
New roles from thousands of companies land hourly, straight from their careers pages. Get the freshest matches by email so you never miss one.
Email me new jobsSimilar jobs



Senior Manager, Research & Development Mechanical Engineering

Frequently asked questions
What skills are required for Senior Staff Mechanical Engineer at CesiumAstro?
The required skills for Senior Staff Mechanical Engineer at CesiumAstro include: Mechanical Engineering, SolidWorks, ANSYS.
What is the seniority level for Senior Staff Mechanical Engineer at CesiumAstro?
Senior Staff Mechanical Engineer at CesiumAstro is a Senior / Staff level position.
How do I apply for Senior Staff Mechanical Engineer at CesiumAstro?
You can view the full description and apply for Senior Staff Mechanical Engineer at CesiumAstro on EchoJobs: https://echojobs.io/job/cesiumastro-senior-staff-mechanical-engineer-tndv1.