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Entry Level Propulsion Test Engineer Jobs (NOW HIRING)

Vast

Propulsion Test Engineer

Mojave, CA

$86K - $120K/yr

Vast is looking for an Propulsion Test Engineer , reporting to the Senior Manager, Engineering (E-2), to support the development of the systems that will be required for the design and build of ...

Impulse Space

Propulsion Test Engineer

Mojave, CA · On-site

$95K - $135K/yr

Propulsion Test Engineer Department: Assembly, Integration & Test Employment Type: Full Time Location: Mojave Compensation: $95,000 - $135,000 / year Description As a Propulsion Test Engineer at ...

Heart Aerospace

Propulsion Test Engineer

Los Angeles, CA · On-site

$124K - $216K/yr

You'll Bring These Qualifications: * 2+ years of professional experience in powertrain, propulsion, or test engineering, with electric or ideally hybrid-electric systems. * Hands-on experience ...

Heart Aerospace

Propulsion Test Engineer

Los Angeles, CA · Hybrid

$124K - $216K/yr

You'll Bring These Qualifications: * 2+ years of professional experience in powertrain, propulsion, or test engineering, with electric or ideally hybrid-electric systems. * Hands-on experience ...

Impulse Space

Propulsion Test Engineer

Mojave, CA

As a Propulsion Test Engineer at Impulse , you will be responsible for liquid rocket propulsion test operations while working closely with a fast paced, agile team that produces high-performance ...

Impulse Space

Propulsion Test Engineer

Mojave, CA

$95K - $135K/yr

Description As a Propulsion Test Engineer at Impulse , you will be responsible for liquid rocket propulsion test operations while working closely with a fast paced, agile team that produces high ...

Vast

Propulsion Test Engineer

Mojave, CA · On-site

$110K - $155K/yr

Vast is looking for an Propulsion Test Engineer , reporting to the Senior Manager, Engineering (E-2), to support the development of the systems that will be required for the design and build of ...

Hermeus

Senior Propulsion Test Engineer

Jacksonville, FL · On-site

$138K - $187K/yr

As a Senior Propulsion Test Engineer, you will support the development, integration, and operation of propulsion test systems at our Florida facility. This is a hands-on, high-impact role focused on ...

Hermeus

Senior Propulsion Test Engineer

Jacksonville, FL · On-site

$138K - $187K/yr

As a Senior Propulsion Test Engineer, you will support the development, integration, and operation of propulsion test systems at our Florida facility. This is a hands-on, high-impact role focused on ...

Busek

Propulsion Test Engineer

Natick, MA · On-site

As a Test Engineer, you will support our Testing Team in a production environment to deliver ... Our talented staff have collective expertise spanning in-space propulsion, space-borne sensors ...

Busek Co Inc

Propulsion Test Engineer

Natick, MA · On-site

As a Test Engineer, you will support our Testing Team in a production environment to deliver ... Our talented staff have collective expertise spanning in-space propulsion, space-borne sensors ...

Relativity Space

Propulsion Test Engineer II

Kiln, MS · On-site

About the Role As a Propulsion Test Engineer II, you will work with test stands and test articles (high-energy components, engines, and full stages) for Terran R. You'll have the opportunity to see a ...

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Entry Level Propulsion Test Engineer information

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How much do entry level propulsion test engineer jobs pay per year?

As of Jun 25, 2026, the average yearly pay for entry level propulsion test engineer in the United States is $134,885.00, according to ZipRecruiter salary data. Most workers in this role earn between $105,500.00 and $160,000.00 per year, depending on experience, location, and employer.
What are the most commonly searched types of Propulsion Test Engineer jobs? The most popular types of Propulsion Test Engineer jobs are:
Entry Level Propulsion Test Engineer jobs near you
Propulsion Test Engineer I

Propulsion Test Engineer I

Relativity Space

Kiln, MS

Full-time

PTO

Posted 2 days ago

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 Stennis Test team designs, builds, and operates test sites to evaluate Terran R's high-energy components, rocket engines, and both booster and upper stages. Team members are hands-on with these large-scale, complex systems, pushing hardware to the limits and directly contributing to flight readiness. The work is fast-paced, highly operational, and collaborative. No aerospace experience required—we welcome fresh graduates as well as those with hands-on backgrounds in aviation, automotive, manufacturing, offshore operations, industrial systems, construction, or adjacent industries. As the Stennis Test site scales to meet growing demand, the team plays a critical role in paving the way for routine, reliable flights of Terran R.
About the Role

As an entry-level Propulsion Test Engineer, you will work with test stands and test articles (high-energy components, engines, and full stages) for Terran R. You'll have the opportunity to see a heavy-lift orbital launch vehicle and its many parts come to life through testing. Test and flight articles are designed and built in our Long Beach factory, then sent to Stennis to undergo rigorous testing. Entry-level engineers at our Stennis facility work in partnership with experienced engineers, technicians, and welders to build and modify test facilities and participate in test campaigns to evaluate complex rocket hardware. You'll solve a variety of technical problems across broad ranges of timeframe, complexity, and impact, and continuously improve processes to move faster and more efficiently. The role includes three focus areas - Design & Build, Operations, and Integration. You'll initially be placed on a team in one focus area, with opportunities to work across focuses as you develop in the role, particularly between Operations and Integration which work closely together.
[Design & Build Focus]
  1. Design fluid systems (gas, liquid, cryogenic) including Piping & Instruction Diagrams (P&IDs), analysis, and component selection
  2. Design structural and mechanical systems including 3D modeling, analysis, and fabrication drawings
  3. Source components and develop detailed fabrication work instructions
  4. Bring new test stands to life by managing fabrication, activation, and initial operations
  5. Design and implement upgrades to operational test stands to enable new test capabilities
  6. Maintain test stands through preventive maintenance and rapid response to anomalies & equipment failures
[Operations Focus]
  1. Conduct test operations on high-energy components, engines, and stages
  2. Control test stand and test article through GUIs and automation while monitoring cameras and telemetry
  3. Conduct flight acceptance, qualification, and development testing campaigns to validate designs and continuously improve the rocket
  4. Develop and optimize GUIs, procedures, control automation, and data review processes
  5. Prepare test articles for testing through inspections, functional checks, leak checks, and managing non-conformances
  6. Bring new test stands to life and support modifications and maintenance on existing facilities
Operations Engineers typically work a scheduled morning or evening shift
[Integration Focus]
  1. Manage test articles through test prep, post-test processing, and repairs
  2. Author work instructions for test articles and coordinate work with technicians and quality inspectors
  3. Manage non-conformances, author corrective work instructions, and implement part requirements
  4. Maintain work instructions current with evolving build specifications and drive standardization across sites
  5. Incorporate feedback and optimize part usage to streamline hardware flow and reduce waste
Integration Engineers typically work a scheduled morning or evening shift
About You
  • Bachelor's degree in mechanical engineering, aerospace engineering, or a related field
    • No aerospace experience needed—we value unique backgrounds and perspectives
  • Demonstrated ability to safely operate common power tools
  • Ability to deliver on tight schedules, especially when unconventional & creative solutions are necessary
  • This role may require travel to production and launch locations, up to 10%
  • Valid driver's license to operate vehicles on the test site
Nice to haves but not required
  • Proficiency in 3D modeling and drafting, including GD&T
  • Strong engineering fundamentals in Thermal Fluid Systems and Structures
  • Hands-on fabrication experience for complex assemblies
  • Working knowledge of fluid components and ability to understand/develop fluid P&IDs for large-scale test systems
  • Experience safely operating complex fluid systems, including high pressure gas, cryogenic fluids, flammables, and hydraulics
  • Technical writing or documentation experience

Successful candidates must clear a background check administered by the US government to obtain clearance for on-site work at our government partner location in Stennis, Mississippi.

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:
$90,000—$124,500 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.