Propulsion Development Engineering Intern

Benchmark Space Systems; Pleasanton (CA); On-site; USD 28,000 - 41,000; Full time

Benefits offered by this job

Housing assistance

Mentor pairing

Flexible scheduling

Job summary

Benchmark Space Systems is seeking a Propulsion Development Engineering Intern for summer 2027 at our Pleasanton, CA site. You will collaborate with engineers and chemists to design, build and test propulsion technologies for small satellites and missions, gaining knowledge in propulsion engineering and propellant chemistry while documenting and presenting results.

Interns will work with a team, perform first-principles analysis, CAD design, testing, and reporting.

Qualifications

• Pursuing a degree in aerospace or mechanical engineering.
• Previous internship or space industry experience is a plus.
• U.S. Person requirement; export controls and visa not sponsored.

Responsibilities

• Design hardware with first-principles calculations, CAD drawings and drawings production.
• Design test articles, plans, and procedures to answer specific questions.
• Carry out hardware tests; interpret results to inform future design work.
• Assist with hotfire testing and other test operations.
• Support sourcing, procurement, and manufacturing activities.
• Develop analysis tools for propulsion-related problems.
• Conduct chemical and physical laboratory tests.
• Develop expertise in propulsion component design and share with the team.

Skills

Fluid systems sizing

Thermal analysis

CAD design

GD&T basics

Cross-functional teamwork

Education

Aerospace/Mechanical Engineering degree

Tools

SolidWorks

CATIA

NX

Creo

Fusion 360

Job description

Job Purpose and Primary Objectives:

Benchmark Space Systems is looking for a Propulsion Development Engineering Intern to join our team for the summer of 2027.

In this role, you will work closely with engineers and chemists to design, build, and test technologies supporting the next-generation of in-space propulsion products for small satellites and other missions. Interns will gain valuable knowledge in industry best practices, propulsion engineering and propellant chemistry, use of engineering software, and documenting and presenting engineering results.

This internship is onsite at our Pleasanton, CA location.

About Benchmark:

At Benchmark Space Systems, we’re pioneering the future of in-space mobility. Our propulsion technologies provide satellites the ability to maneuver, avoid collisions, and maximize mission potential—all while contributing to a safer, more sustainable space environment.

Backed by recent funding and a growing slate of new flight contracts for government and commercial customers, we’re building a workplace where bold ideas and passionate people thrive. Engineers, innovators, and problem-solvers at Benchmark tackle some of the toughest challenges in spaceflight, working together to turn cutting-edge concepts into real-world solutions. If you're ready to help shape the next era of spaceflight, there's never been a better time to join Benchmark Space Systems.

Measurements of Success/Primary Job Responsibilities:

At its core, Benchmark is an entrepreneurial, fast paced organization. In this environment, we need all employees to solve problems, not be afraid to ask questions and be able to work with and help colleagues in different departments and positions by digging in and working on other tasks as needed/assigned depending on business needs. With that said, there are primary job responsibilities and measurements of success for this position, which are:

• Design hardware, including first-principle mechanical and thermofluidic hand calculations, CAD design, and drawing production.
• Design test articles, plans, and procedures to answer specific test questions.
• Carry out hardware tests; compile and interpret results and use them to inform future design work.
• Work with the team to carry out hotfire, and other test operations.
• Execute on hardware designs, including assisting with sourcing, procurement, and manufacturing.
• Carry out more detailed analysis, producing analysis tools for the team or answering specific questions in the fields of catalysis, mechanical response, heat transfer and fluid dynamics.
• Conduct chemical and physical laboratory tests.
• Develop expertise in subfields of propulsion component design and share with the team.

Education and/or Experience:

• Candidates must be enrolled in an accredited college or university and seeking a degree in aerospace engineering, mechanical engineering, or a similar degree.
• Previous internship or research experience in the space industry is a plus but not required.
• U.S. Person Requirement: Due to the nature of the work and access to export-controlled information, applicants must qualify as a U.S. Person under U.S. export control laws. Visa sponsorship is not available for this position now or in the future.

Knowledge, Skills, and Abilities:

What you bring to the position, or have the ability to swiftly learn and be successful in:

• Ability to perform first order analysis of fluidic, thermal and mechanical performance.
• Hands-on experience or working knowledge of sizing, analyzing, and operating fluid systems.
• Experience with a 3D CAD software such as SolidWorks, CATIA, NX, Creo, Fusion 360 or others.
• Basic understanding of GD&T, manufacturing methods, and design for manufacturing best principles.
• Ability to work collaboratively as part of a multi-disciplinary and geographically dispersed team.
• Uses effective written, visual presentation, and oral strategies to communicate technical problems and concepts to a range of technical and non-technical audiences.

What makes you stand out:

• Previous internship or research experience related to chemical propulsion or small satellite technologies.
• Previous experience with hazardous or pressurized fluid systems.
• Aerospace, rocketry, or other engineering club experience.
• Experience on any hardware project that led to physical deliverables.

Benefits:

• Interns will be matched with a mentor in chosen area of interest/study.
• All interns work directly with multiple engineers and will participate in projects.
• Flexible scheduling.
• Housing assistance available for out-of-state candidates.

Physical Requirements/Working Conditions:

While performing duties of this job, lifting up to 50lbs and being able to stand and work on your feet for longer periods of time is expected.

Benchmark Space Systems is an equalopportunity employer committed to fostering an inclusive, innovativeenvironment with the best employees. We are committed to equal employmentopportunity regardless of race, color, ancestry, religion, sex, national origin,sexual orientation, age, citizenship, marital status, disability, genderidentity or Veteran status. If you have a disability or special need thatrequires accommodation, please contact us at careers @benchmark-space.com