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CesiumAstro creates out-of-the-box communication systems for space and airborne platforms.
The Role
Design, develop, and test liquid rocket engine combustion devices (chambers, pre-burners, igniters). Create CAD models and detailed drawings, define requirements and system integration, support manufacturing (3D-printing, machining, inspection), execute test programs, analyze data, and collaborate across engineering teams to deliver flight-ready hardware.
Summary Generated by Built In
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 Combustion Devices Engineer II to our team. In this role, you will work across the full hardware lifecycle from early concepts and CAD models through manufacturing, test execution, and design iteration.
JOB DUTIES AND RESPONSIBILITIES
- Design and develop a variety of combustion devices of liquid rocket engine, combustion chambers, pre-burners, igniters. Create models and drawings of parts and assemblies. Perform calculations and analyses with team support.
- Create schematics and document processes.
- Own requirements definition, architecture trades, and system-level integration for assigned subsystems.
- Work with manufacturing team to create finished engine parts. Support parts through 3d-printing, machining, post processing, and inspection. Incorporate feedback to improve design for manufacturing.
- Develop and execute test programs, analyze experimental data, and apply findings to optimize designs.
- Collaborate across mechanical, aerospace, and controls engineering teams to deliver flight-ready hardware.
JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS
- Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a related field.
- 2+ years of experience with mechanical design, development, fabrication, assembly, or test (internships included)
- Strong proficiency in CAD tools (Siemens NX, SolidWorks) - the ability to model complex three-dimensional geometry of the combustion chamber cooling channel.
- Familiarity with aerospace safety and reliability practices.
- Excellent written and verbal communication skills.
- Ability to work as a teammate and independently to achieve ambitious goals.
PREFERRED EXPERIENCE
- Prior experience designing of liquid rocket engine, combustion chambers, pre-burners, igniters or other rocket systems.
- Practical experience in test bench setup and performance diagnostics.
- Hands-on engineering (Full-stack: computer to wrench to broom).
- Geometric dimensioning and tolerancing (GD&T).
- Experience in a start-up or rapid development environment.
- Experience with tools such as ANSYS and MATLAB.
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.
Skills Required
- Bachelor's degree in Mechanical Engineering, Aerospace Engineering, or a related field.
- 2+ years of experience with mechanical design, development, fabrication, assembly, or test (internships included).
- Strong proficiency in CAD tools (Siemens NX, SolidWorks) and ability to model complex 3D geometry (combustion chamber cooling channels).
- Familiarity with aerospace safety and reliability practices.
- Excellent written and verbal communication skills.
- Ability to work both as a teammate and independently to achieve ambitious goals.
- Prior experience designing liquid rocket engines, combustion chambers, pre-burners, igniters or other rocket systems.
- Practical experience in test bench setup and performance diagnostics.
- Hands-on engineering experience (from software to hands-on fabrication and shop work).
- Geometric dimensioning and tolerancing (GD&T).
- Experience in a start-up or rapid development environment.
- Experience with tools such as ANSYS and MATLAB.
CesiumAstro Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about CesiumAstro and has not been reviewed or approved by CesiumAstro.
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Healthcare Strength — Health coverage includes medical, dental, vision, life and disability insurance, plus FSAs and mental health benefits. Feedback suggests the health package is comprehensive for a growth-stage aerospace firm.
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Retirement Support — Offerings include a 401(k) with company matching and other retirement-plan elements. Feedback suggests core retirement mechanisms are in place alongside standard financial benefits.
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Leave & Time Off Breadth — Generous PTO, paid holidays, paid sick days, and bereavement leave are included. Feedback suggests time-off options are broad on paper across multiple leave types.
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The Company
What We Do
We build high-throughput, plug-and-play phased array communication payloads for space and airborne platforms. CesiumAstro’s full-stack, multi-mission hardware and software products enable a diverse range of commercial and defense objectives. Full-system engineering design is at the heart of every CesiumAstro product. We deliver high-performance solutions under rapid development timelines.
Why Work With Us
At CesiumAstro, we’re a team. We’re passionate, respectful, and determined colleagues ready to help at a moment’s notice. We’re mentors excited to enable our peers with the knowledge they need to succeed. Together, we’re visionaries committing to building memories that will last a lifetime.
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