Fluid Systems Responsible Engineer
At Juno Propulsion, we are powering the next big leap in space with the world’s most advanced propulsion systems, enabling space mobility like never before.
Space exploration and economic development are the keys to the next phase of our species both at home and beyond. Our planet is changing rapidly and requires big swings in technology advancement to address the critical challenges we face. We believe that humanity has the drive and capability to sustain our planet and Juno will be the one to power it.
Juno addresses this mission by building the next-generation of propulsion systems based on detonation-based combustion. We are trusted not just for our high quality products, but for our care in how we design, test, and scale systems that serve needs for commercial, national security, and scientific discovery. Through product excellence and wide commercial traction, we aim to redefine all of rocket propulsion as we know it.
Who we are
We are a team that is excited about the future of the space industry and the exploration of our universe. We are passionate about solving tough problems through teamwork, building hardware, and making fire. We are looking for individuals who are similarly passionate about aerospace and want to make their mark on both our team and the new space industry.
Juno was founded on the principle that a diverse, inclusive engineering team will lead to the best competitive edge in the industry. Our culture is one that is welcoming of all employees of different backgrounds, skillsets, and perspectives. This dedication to a diverse team and healthy work culture is essential for the company and for our future hires.
Our culture
Juno is looking for a Fluid Systems Responsible Engineer to own the fluid systems for upcoming in-space propulsion prototypes and products. This role will involve developing requirements based on mission objectives, designing the fluid systems, ordering components, and leading unit and system cold flow tests.
This position offers a high level of ownership in the company’s success, including contributing to Juno’s first on-orbit flight demonstration mission in 2026. For this reason, we are looking for engineers who are creative thinkers, excited to work on difficult problems, open to learning and growth both technically and professionally, and ready to launch real systems to space.
Role responsibilities include:
· Creating requirements for spaceflight fluid systems and working with customer inputs
· Designing and development of spaceflight fluid components and hardware
· System architecture design, including integration of physical components
· Creation of P&IDs, CAD models
· Analysis of fluid dynamics, heat transfer, and general thermodynamics
· Sourcing and procurement of components, with consideration to seals, material compatibility, power requirements, etc.
· Assisting with unit and system test campaign operation and data reduction and review
· Drafting test plans to achieve overall test and qualification goals
· Familiarity with range safety requirements and operational standards for satellite propulsion systems
· Coordination with vendors to streamline fabrication & procurement and help reduce costs and timelines
· Conducting design reviews, analyze data, and prepare technical reports to communicate project progress and results
· Identifying risks and introducing innovative strategies to effectively address them
· Conduct work with a commitment to the highest levels of safety and integrity
About the Role
· Minimum of a B.S. degree in engineering (aerospace, mechanical, chemical or physics desired)
· 3+ years of experience in the aerospace industry or academia working on fluid systems
· Firm grasp of engineering fundamentals (fluid dynamics, heat transfer, etc.)
· Experience taking basic design requirements and translating them into realizable physical products
· Experience with tools like CAD, GFSSP, MATLAB/Python
· Experience with designing and fabricating fluid systems
· Dedication to creating an inclusive team and company culture
Essential Skills
· Advanced degree in aerospace, mechanical, or other discipline of engineering (Master’s or higher)
· Industry experience with product development or flight hardware
· Experience working with fluid systems, including high pressure gas & liquid operations
· Prior experience with propulsion systems
Desirable Skills
Position type
This is an in-person, salaried, regular full-time position.
Location
Tukwila, WA
Compensation
The annual salary range is $80,000-120,000 based on qualifications and experience.
Employee benefits
· Medical and dental insurance
· 401(k) retirement plan
· 15 days PTO guaranteed with flexible additional days
· Help with relocation expenses
· Competitive employee stock option program
· Impact on a ground-breaking propulsion company
· Emphasis on healthy life balance and work environment
Desired start date
August 15, 2025
info about the position
We know everyone brings different skillsets to the table, so even if you don’t check every box, we encourage you to apply. Consistent with our commitment to diversity & inclusion, we value people with the ability to work on diverse teams and with a diverse range of people. We especially encourage members of traditionally underrepresented communities to apply, including women, people of color, LGBTQ+ people, veterans, and people with disabilities.
closing statement
important info
Some job roles may be limited to US Persons (22 CFR 120.62 “U.S. person”) only.