Relativity Space
We are building the future of aerospace.
Long Beach, CA, USA

Senior Propulsion Development Engineer (Engine Systems & Test)

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Employer Provided Salary: $130,000-$166,000 Annually
Salary data is provided by the employer. Please note this is not a guarantee of compensation.

Company Overview:  

At Relativity Space, we have two audacious goals: to build the next great commercial launch company with Terran R and to become America's leading force in additive manufacturing innovation. Both contribute to our long-term vision of creating humanity’s industrial base on Mars, paving the way for interplanetary life to expand the possibilities of the human experience. This journey begins right here on Earth – where we design, build, and fly rockets to deliver customer payloads to orbit. Terran R, our medium-to-heavy lift reusable rocket, fulfills the growing demand for launch capacity, thanks to our iterative approach that accelerates design, testing, and development while minimizing costs. While our groundbreaking research and development in 3D printing pushes the boundaries of large-scale additive manufacturing.

Your journey with us is more than just a job – it’s an opportunity to shape the future of aerospace technology, additive manufacturing, and the human experience alongside a community of passionate, creative individuals. Join us on this extraordinary journey, as we work together to transform our vision into reality.

About the Team:  

The Propulsion Engineering team at Relativity Space is responsible for engines that will power the Terran R launch vehicle. We own the design from concept through successful launch and reuse and we work with our partner teams to manufacture, test and integrate those engines. We’re developing these engines in record time, going from initial sizing point of the Aeon R engine in early 2022 to a successful integrated, full duration hot fire test in late 2023. Over the next year, we will test 3 iterations of Aeon R, our booster engine, culminating in qualification for flight, and test our first iteration or Aeon R Vac, our second stage engine. As a part of this team, you will help build, test and iterate on the full product lifecycle of our Aeon-R engine systems from concept through launch and reuse.

About the Role: 

This role may span several areas of our team depending on your skill-set and the team’s needs at the time. In the test part of your role, you will serve as a Responsible Engineer for Aeon engine test articles, developing test plans, executing them with our Stennis test team, and troubleshooting technical puzzles along the way. On the systems side, you may support engine system analysis and simulation, trade studies, defining interfaces with other groups, and more. As our vehicle development program progresses, you may have the opportunity to be involved in stage test and flight campaigns. You will also take ownership of projects of your creation to increase our collective efficiency.

In order to be successful in this role, you should be capable of leading collaborative projects to completion with minimal oversight. You should also be a self-starter who is always looking for ways to improve yourself & learn more about the systems that interface with yours. Along with these high expectations comes the opportunity to have a significant influence on a fast-growing startup company and to make rapid professional gains in an environment that encourages growth and risk.

This role requires an average of 25% travel to our test & launch sites and may occasionally require shifted schedules or weekend work for critical milestones.

About You:  

  • Experience applying engineering fundamentals in fluid mechanics & thermodynamics
  • Experience with ownership, problem-solving skills, and effective team collaboration
  • Experience delivering on ambitious schedules, even and especially if unconventional & creative solutions are necessary to do so
  • Bachelor’s degree in a science, engineering, technology, or mathematics field
  • 5+ years relevant experience, preferably in a complex engineering system development and/or test environment

Nice to haves, but not required:  

  • Working knowledge of fluid components such as valves and instrumentation
  • Working knowledge of engine subsystems such as combustion devices and turbomachinery

Relativity Space offers competitive salary and equity, a generous vacation policy, an annual L&D stipend and more! 

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.




The below-range represents Relativity Space’s current good-faith pay scale for this role.  Relativity Space reserves the right to modify or update this range at any time.
Compensation is only one part of our entire total rewards package. To see some of the benefits & perks we offer, please visit here: https://px.sequoia.com/relativityspace

Hiring Range:

$130,000$166,000 USD

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What are Relativity Space Perks + Benefits

Relativity Space Benefits Overview

We are committed to our team member's health, well-being, and growth!

Culture
Volunteer in local community
Open door policy
OKR operational model
Team based strategic planning
Open office floor plan
Employee resource groups
Employee-led culture committees
Quarterly engagement surveys
Flexible work schedule
Diversity
Dedicated diversity and inclusion staff
Mandated unconscious bias training
Diversity employee resource groups
Hiring practices that promote diversity
Diversity recruitment program
Health Insurance & Wellness Benefits
Disability insurance
Dental insurance
Vision insurance
Health insurance
We provide 5 tiers of coverage through Anthem--2 of which are almost completely free for employees.
Life insurance
Pet insurance
Wellness programs
Mental health benefits
Financial & Retirement
401(K)
Company equity
Relativity Space provides equity to all full time employees, vesting over a 4 year period.
Child Care & Parental Leave Benefits
Generous parental leave
Family medical leave
Adoption Assistance
Return-to-work program post parental leave
Fertility benefits
We partner with Carrot Fertility
Vacation & Time Off Benefits
Generous PTO
Relativity Space offers 20 days of PTO
Paid volunteer time
Paid holidays
11 holidays--federal, and company wide
Office Perks
Company-sponsored outings
Relativity Space has quarterly off sites reviews, monthly celebration dinners, and regular social events
Free snacks and drinks
A wide variety of snacks are provided
Some meals provided
Weekly lunches for lunch and learn, all hands, and new hire lunches are provided
Company-sponsored happy hours
Bi-weekly happy hours/socials
Onsite office parking
Relocation assistance
Fitness stipend
Mother's room
Professional Development Benefits
Job training & conferences
Lunch and learns
Every other week, we host a lunch and learn to get learn about the exciting work other teams are doing!
Promote from within
Continuing education stipend
Paid industry certifications

Additional Perks + Benefits

Employees receive a $500 learning stipend per calendar year. This stipend provides our employees with the opportunity to develop their professional skills. They may use this stipend to attend seminars, conferences, educational courses, webinars, or receive coaching.

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