Propulsion Integration & Test Engineer II, First Shift New Long Beach, California, United States

Relativity Space, Inc.; Long Beach, Northern (CA, KY); On-site; USD 109,000 - 163,000; Full time

Benefits offered by this job

Equity

PTO

Sick leave

Parental leave

Learning stipend

Job summary

Relativity Space in Long Beach, CA is hiring for an Aeon R Engine Assembly Engineer to own the integrated build from design release to shipment. You will develop build processes to hit production targets and reduce issues, and define specs that boost engine production rate.

You will collaborate with cross‑functional teams, write detailed work instructions, and help shape long‑term ERP, MES, and QMS solutions to enable high‑quality, efficient manufacturing for Terran R.

Qualifications

• Degree in engineering or related technical field and 2+ years of relevant experience.
• Ability to write detailed work instructions and process plans.
• Experience investigating and resolving hardware non-conformances.

Responsibilities

• Own the Aeon R integrated assembly from design release to integration to shipment.
• Develop processes and specs to increase Aeon R production rate.
• Support production to resolve build issues and implement technician feedback.
• Support work center development across sites, tooling, and capital equipment needs.
• Author test procedures and verify hardware health and build integrity.
• Help define and pilot ERP, MES, and QMS solutions for high-quality manufacturing.

Skills

Engineering degree

Strong communication

Technical writing

Vendor coordination

Manufacturing knowledge

AM/SM manufacturing

Education

Bachelor's in Engineering

Tools

ERP systems

MES

QMS

Job description

Long Beach, California, United States

At Relativity Space, we’re building rockets to serve today’s needs and tomorrow’s breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that’s just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known.

Joining Relativity means becoming part of something where autonomy, ownership, and impact exist at every level. Here, you’re not just executing tasks; you’re solving problems that haven’t been solved before, helping develop a rocket, a factory, and a business from the ground up. Whether you’re in propulsion, manufacturing, software, avionics, or a corporate function, you’ll collaborate across teams, shape decisions, and see your work come to life in record time. Relativity is a place where creativity and technical rigor go hand in hand, and your voice will help define the stories we’re writing together. Now is a unique moment in time where it’s early enough to leave your mark on the product, the process, and the culture, but far enough along that Terran R is tangible and picking up momentum. The most meaningful work of your career is waiting. Join us.

About the Team:

The Engine Manufacturing team is dedicated to delivering high-performance engines and advancing innovative manufacturing systems that continuously improve cost, quality, and lead time. You’re not just executing on designs; you actively provide input that shapes new hardware iterations and regularly interface with engineers to make critical decisions for the Aeon R program. Having successfully developed and refined processes for our initial development engines, the team is now focused on producing flight engines at rate for Terran R’s aggressive launch manifest.

*note* First shift hours are 6am - 3pm

About the Role:

• Own the Aeon R integrated assembly from design release to integration to shipment. This will include developing the build process to meet production targets and reduce build issues.
• Develop processes and specs that directly impact the production rate of Aeon R engines.
• Support production as needed to deliver engines by resolving build issues, receiving and implementing technician feedback, supporting BOM updates and build checkouts.
• Support work center development by considering assembly operations, tooling and capital equipment requirements, and rate targets. You will also support engine work center development across sites.
• Author test procedures and act as test conductor to verify as-installed hardware health and build integrity.
• Assist with developing the business tools and processes that will be used to manufacture the first launch vehicle. In parallel, help to define and pilot the long-term ERP, MES, and QMS solutions that will enable high-quality, efficient vehicle manufacturing.

About You:

• Degree in engineering or related technical field and 2+ years of relevant experience
• Strong communication skills, and ability to write detailed work instructions and process plans
• Ability to effectively investigate, resolve and screen hardware non-conformances
• Ability to work with and train technicians
• Ability to work with vendors to get parts made quickly and reliably
• Familiarity with Additive Manufacturing, Subtractive Manufacturing and associated precision inspection techniques

Nice to haves but not required:

• Experience leading a small team
• Experience in a startup or agile development environment
• Experience working in a propulsion development program

At Relativity Space, we are committed to transparency and fairness in our compensation practices. Actual compensation will be determined based on experience, qualifications, and other job-related factors.

Compensation is only one part of our total rewards package. Relativity Space offers competitive salary and equity, a generous PTO and sick leave policy, parental leave, an annual learning and development stipend, and more! To see some of the benefits & perks we offer, please visit here.

Hiring Range:

$109,000 - $163,000 USD

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

Please note: Relativity Space does not accept unsolicited resumes, candidate profiles, or referrals from recruitment agencies or search firms. Any unsolicited submission - via email, our website, social media, or directly to an employee - will be deemed the property of Relativity Space, and no fee will be owed absent a current, fully executed agreement with Talent Acquisition that specifically authorizes submissions for the applicable role.

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