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Added just now
Sr. Software Engineer, CDN (Starlink)
SpaceX
Hawthorne, CA · Palo Alto, CA · Redmond, WA
…providing fast, reliable internet to 10M+ users worldwide. We design, build, test, and operate all parts of the system – thousands of satellites, consumer receivers that allow users to…
Added just now
Sr. Software Engineer, CDN (Starlink)
SpaceX
Palo Alto, CA · Hawthorne, CA · Redmond, WA
…providing fast, reliable internet to 10M+ users worldwide. We design, build, test, and operate all parts of the system – thousands of satellites, consumer receivers that allow users to…
Added just now
Sr. Software Engineer, CDN (Starlink)
SpaceX
Redmond, WA · Hawthorne, CA · Palo Alto, CA
…providing fast, reliable internet to 10M+ users worldwide. We design, build, test, and operate all parts of the system – thousands of satellites, consumer receivers that allow users to…
Added just now
Principal Software Engineer, CDN (Starlink)
SpaceX
Hawthorne, CA · Palo Alto, CA · Redmond, WA
…providing fast, reliable internet to 10M+ users worldwide. We design, build, test, and operate all parts of the system – thousands of satellites, consumer receivers that allow users to…
Added just now
Principal Software Engineer, CDN (Starlink)
SpaceX
Redmond, WA · Hawthorne, CA · Palo Alto, CA
…providing fast, reliable internet to 10M+ users worldwide. We design, build, test, and operate all parts of the system – thousands of satellites, consumer receivers that allow users to…
Added just now
Principal Software Engineer, CDN (Starlink)
SpaceX
Palo Alto, CA · Hawthorne, CA · Redmond, WA
…providing fast, reliable internet to 10M+ users worldwide. We design, build, test, and operate all parts of the system – thousands of satellites, consumer receivers that allow users to…
Added just now
GNC Engineer (Falcon)
SpaceX
Hawthorne, CA
As a GNC Engineer on the Falcon team, you will be responsible for performing mission design and implementing new GNC algorithms for the set of Falcon vehicles. You will be driving the…
Added just now
Systems/Software Engineer I
Hewlett Packard Enterprise
Sunnyvale, CA
Must possess outstanding problem solving skills
Added just now
Senior Technical Marketing Engineer - Data Center
Hewlett Packard Enterprise
Sunnyvale, CA
This role has been designed as 'Hybrid' with a requirement that you will work on average 2 days per week from an HPE office
Added just now
Corporate Systems Engineer
Hewlett Packard Enterprise
Andover, MA
This role has been designed as 'Hybrid' with a requirement that you will work on average 2 days per week from an HPE office
Added just now
Finance AI/ML Engineer - PhD
Hewlett Packard Enterprise
Spring, TX
Design, develop, and implement AI and machine learning models, including data pre-processing, feature engineering, algorithm selection, training, and evaluation.
Added just now
Principal Cloud Developer
Hewlett Packard Enterprise
Ft. Collins, CO
This role has been designed as 'Hybrid' with a requirement that you will work on average 2 days per week from an HPE office
Added 1 min ago
Digital Software Engineer Senior Manager
Citibank, N.A.
United States
Citi is looking for a Digital Software Engineer Senior Manager to design, build, and deliver complex software applications within a high-performing Technology team that directly supports…
Added 1 min ago
J
Production Engineer
Tamaqua, PA
- $86,300 to $129,500 USD / year
An exciting new opportunity has arisen to join the company as a Production Engineer! You’ll ensure consistent and stable operation of existing facilities at the Hometown, PA (Tamaqua). The…
Added 1 min ago
Tooling Design Engineer II
Blue Origin LLC
Seattle, WA
…you will apply standard engineering knowledge and methods to design tools and equipment for manufacturing and operation of aerospace systems. Researches, develops and implements…
Added 2 mins ago
Software Development Engineer, EC2 Capacity Telemetry and Autonomous Systems
Amazon Development Center U.S., Inc.
Seattle, WA
The EC2 Capacity Telemetry and Autonomous Systems team is looking for an experienced Software Development Engineer to join our Seattle-based team. EC2 (Elastic Compute Cloud) is part of…
Added 2 mins ago
Regional Environmental Engineer - Compliance TX, AWS Environmental Team
Amazon Data Services, Inc.
Austin, TX · Wharton, TX
As a Regional Environmental Engineer (REE), you will be responsible for environmental compliance at operating AWS data centers in Texas. You will develop standards and policies to support…
Added 2 mins ago
Associate Director
Alteva RCM
Queens, NY
…work; this role enables and prepares them through integration design, client-system enablement, SOPs, and training. The Associate Director partners closely with Technology on the claims…
Added 3 mins ago
Plumbing Designer
FIRSTCALL MECHANICAL GROUP LLC
TAMPA, FL
We are seeking a skilled and detail-oriented Plumbing Designer/Engineer to join our team. In this role, you will be responsible for the design, layout, and coordination of plumbing systems…
Added 3 mins ago
Blackstone Multi-Asset Investing - Lead Data Engineer-Product Management
Blackstone Alternative Asset Management LP
NY
Job Title: Blackstone Multi-Asset Investing - Lead Data Engineer-Product Management
Added 4 mins ago
ICAS Performance Engineer
Stellantis
Auburn Hills, MI
…vehicle level DVP&R development and execution. The Performance Engineer will support the vehicle integration and validation process by owning and maintaining functional objective scorecard,…
Added 5 mins ago
Product Engineer
Cummins Talent Acquisition
Columbus, IN
…Group (FIRG) while using tools such as 7-step problem solving, design review checklist and other specialized tools required to support the processes and enable high quality decision making.…
Added 5 mins ago
TH
Sr Engineer Packaging
The Hershey Company
Hershey, PA
- $92,160 to $115,200 USD / year
Build fact-based business cases, recommend the best design, influence stakeholder alignment, and implement effective structural and process solutions.
Added 5 mins ago
A
Nuclear Mechanical Engineer
Actalent
Saint Louis, MO
- $40 to $90 USD / hour
Were excited to add an experienced Mechanical Engineer to a growing engineering team supporting meaningful and technically challenging projects across the nuclear power industry.
Added 5 mins ago
Senior Flight Dynamics Engineer II
Rocket Lab Corporation
Littleton, CO
As a Senior Flight Dynamics Engineer II based out of Rocket Lab's site in Littleton, CO, you will perform tracking, navigation, maneuver, trajectory planning, and collision avoidance design…

Relativity Space

Senior Fluid Systems Engineer

Long Beach, CA, United States

$132,000 - $198,000 USD

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Job details

Pay: $132,000 - $198,000 USD
Experience: 4+ years of experience working with fluids systems
Posting language: English
Posted: Nov 12, 2026

Original job description

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 Stage Fluids team designs and delivers the propellant, pressurant, pneumatics, and other fluid systems that turn structures into functioning rockets. The team has full ownership across design, production, test, and flight, maintaining a holistic view of Terran R, focused not on isolated parts but integrated functionality. Working on-site at the factory means you’re never far from the hardware, enabling rapid iteration and tight feedback loops across design and manufacturing. You won’t just be handed requirements: you’ll be expected to ask the right questions, collaborate with partners across the company, and ultimately find the best solutions for Terran R.

About the Role:

As a Vehicle Fluid Systems Engineer, you will be responsible for the fluid system architecture and function for a given vehicle fluid subsystem. You will apply expertise in system architecture, systems operations, and fluid thermodynamics applications to guide hardware design, system analysis, manufacturing, validation and operations.

Own the vehicle fluid subsystem architecture and schematics, including system control scheme, system and component selection and sizing
Conducting fluid and thermal analyses, including system sizing and characterization using a variety of base analytical methods (1D steady-state, fluid networks, etc.)
Leading and participating in system and hardware design and manufacturing reviews
Defining and supporting test objectives and test campaigns to validate system design, system models and overall system performance including supporting integrated vehicle testing and launch

About You:

Bachelor’s degree (Mechanical Engineering or relevant)
4+ years of experience working with fluids systems
Experience applying engineering fundamentals in system design, thermodynamics, fluid dynamics, and heat transfer
Experience with one or more fluid or thermal modeling tools for internal compressible and incompressible analysis
Proficiency in Python or a similar programing language for scientific computing and automated test/simulation data analysis

Nice to haves, but not required:

Experience with launch vehicles and spacecraft

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:

$132,000 - $198,000 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.

If you need a reasonable accommodation, please contact us at accommodations@relativityspace.com.

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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More about this job

Skills

Design hardware
Control systems
Mechanical engineering
Python
Data analysis
Recruitment

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Jobs in the United States