Senior Fluid Systems Engineer
Relativity Space · Long Beach, California, United States
Posted 22 days ago
or apply directly on Relativity Space's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 22 days Relativity Space's roles stay open a median of 45 days
- Reposted
- No
- Salary listed
- No 1% of Relativity Space's roles list one
- Ghost-job risk at Relativity Space
- low 0 stale, 2 reposted of 350 open
- Hiring momentum
- 498 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-09-17
Measured from postings appearing on and disappearing from Relativity Space's own greenhouse board since 2026-08-03. Full hiring picture for Relativity Space.
About this role
As a Senior Fluid Systems Engineer at Relativity Space, you will be responsible for the architecture and function of vehicle fluid subsystems, applying your expertise in system design and fluid thermodynamics. Your role involves conducting fluid and thermal analyses, leading design reviews, and defining test objectives to validate system performance. You will collaborate closely with various teams to ensure integrated functionality of the Terran R vehicle.
- benefits
- 2/5
- freshness
- 4/5
- career value
- 4/5
- role clarity
- 5/5
- pay transparency
- 0/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Relativity Space as an employer.
What you need
- Bachelor’s degree in Mechanical Engineering or relevant field
- 4+ years of experience working with fluid systems
- Experience applying engineering fundamentals in system design, thermodynamics, fluid dynamics, and heat transfer
- Experience with fluid or thermal modeling tools for analysis
- Proficiency in Python or a similar programming language for scientific computing and automated test/simulation data analysis
Nice to have
- Experience with launch vehicles and spacecraft
What you get
- Competitive salary and equity
- Generous PTO and sick leave policy
- Parental leave
- Annual learning and development stipend
Worth weighing
- No specific salary listed, only a hiring range provided
- Emphasis on collaboration and problem-solving may require a proactive mindset
- Role involves significant responsibility and ownership of subsystem design
Summarised from Relativity Space's posting. Read the full original.
Listed by Relativity Space on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.
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