Mechanical Engineer I

CesiumAstro; El Segundo (CA); On-site; USD 86,000 - 101,000; Full time

Benefits offered by this job

Stock options

Health insurance

Dental insurance

Vision care

HSA

FSA

Retirement plan

Job summary

CesiumAstro is seeking a Mechanical Engineer I to join our satellite hardware team in El Segundo. You will help design and analyze mechanical systems for spacecraft, including electronics packaging, thermal management, and structural interfaces.

The role involves CAD modeling, simulations, GD&T documentation, and participation in design reviews. You will work in a startup-like, collaborative environment with hands-on ownership and cross-functional teamwork.

Qualifications

• BS in mechanical engineering with at least 1 year of industry experience in design and analysis.
• Strong understanding of mechanical engineering principles.
• Strong analytical, troubleshooting, and problem-solving skills.
• Experience with CAD tools such as SolidWorks, CATIA, Creo, or AutoCAD.
• Knowledge 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 or MATLAB.
• Experience with CNC manufacturing.

Responsibilities

• Support mechanical designs of Cesium products through all phases of development.
• Involve electronics packaging design, mechanical simulations and analyses, CAD, and environmental qualification.
• Create GD&T compliant drawings and perform design reviews.
• Collaborate with electrical, thermal, and structural engineers across projects.
• Present engineering design review materials to stake holders.

Skills

Mechanical fundamentals

Analytical thinking

Communication

Team collaboration

Education

Bachelor of Science in Mechanical Engineering

Tools

SolidWorks

CATIA

Creo

AutoCAD

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.

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 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 support mechanical designs of Cesium products through all phases of the development process. The candidate may be involved with electronics packaging design, mechanical simulations and analyses, computer-aided design (CAD), spacecraft mechanical interfaces, and environmental qualification of electronic assemblies.

As a CesiumAstro mechanical team member, you may 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. As such, excellent written and verbal communication skills are required.

Job Requirements And Minimum Qualifications

• Bachelor of Science (BS) and minimum of 1 year of industry experience in design and analysis.
• Strong understanding of mechanical engineering principles.
• Strong 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 with electrical engineers.
• Aerospace industry internships or experiences.
• Electronics packaging, including thermal, vibration, and stress dynamics, or in spacecraft structures and mechanisms.
• Exposure to EMI/EMC mitigation techniques.

$86,000 - $101,000 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 including health, dental, vision, HSA, FSA, life, disability and retirement plans.

CesiumAstro is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected Veteran Status, or any other characteristic protected by applicable federal, state, or local law.

Please note: CesiumAstro does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to CesiumAstro team members will be considered property of CesiumAstro, and we will not be obligated to pay any referral fees.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.