Top 81 Propulsion engineer Jobs in San Francisco Bay Area Ca

Propulsion Engineer
Poseidon Aerospace —San Francisco, CA
- Full-time
- Writing skills
- Mid-level
- Assembly
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Propulsion Design Engineer
Astro Mechanica —San Francisco, CA
- $125,000 - $185,000 a year
- Full-time
- Mid-level
- Office
- Assembly
- Paid holidays
- Health insurance
Propulsion Mechanical Engineer (Combustion) - Dropship
Pyka —Alameda, CA
- $101,000 - $142,000 a year
- Full-time
- Mid-level
- 1 year
- Communication skills
- Commuter assistance
- Paid holidays
9d
Entry-Level Propulsion Design Engineer
Astro Mechanica —San Francisco, CA
- $115,000 - $145,000 a year
- Full-time
- Office
- Assembly
- Continuous improvement
- Paid holidays
- Health insurance
Senior Propulsion Engineer, Combustion
Astro Mechanica —San Francisco, CA
- $150,000 - $225,000 a year
- Full-time
- 5 years
- Office
- Analysis skills
- Paid holidays
- Health insurance
Propulsion Engineer - Test
Astranis —San Francisco, CA
- $125,000 - $170,000 a year
- Bachelor of Science
- Mid-level
- 3 years
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Propulsion Inlet Design Engineer
Astro Mechanica —San Francisco, CA
- $150,000 - $210,000 a year
- Full-time
- 5 years
- System design
- Office
- Paid holidays
- Health insurance
Propulsion Systems Engineer [Mechanical/Aerospace Engineer]
Eternium Aerospace —Novato, CA
- Full-time
- Bachelor of Science
- System design
- Mid-level
Senior Propulsion Test Engineer
Astro Mechanica —San Francisco, CA
- $150,000 - $225,000 a year
- Full-time
- 5 years
- Office
- Continuous improvement
- Paid holidays
- Health insurance
Senior Propulsion Design Engineer
Astro Mechanica —San Francisco, CA
- $150,000 - $225,000 a year
- Full-time
- 7 years
- Office
- Assembly
- Paid holidays
- Health insurance
Senior Propulsion Development Engineer
Astro Mechanica —San Francisco, CA
- $150,000 - $225,000 a year
- Full-time
- 5 years
- Office
- Continuous improvement
- Paid holidays
- Health insurance
Propulsion Unit Manufacturing Engineer
Joby Aviation —San Carlos, CA
- $98,400 - $164,700 a year
- Full-time
- Mid-level
- 2 years
- Employee stock purchase plan
- Disability insurance
HIL Engineer II
Astra —Alameda, CA
- $0 a year
- Full-time
- Bachelor of Science
- Mid-level
- Fair chance
- Health insurance
- 401(k)
Quick Apply
Port Engineer
TOTE Services, LLC —San Francisco, CA
- $86,560 - $173,650 a year
- Full-time
- Bachelor of Science
- 3 years
- Continuous improvement
- Paid jury duty
- Paid holidays
Senior Propulsion Mechanical Engineer
Joby Aviation —San Carlos, CA
- $104,000 - $181,000 a year
- Full-time
- Bachelor of Science
- 8 years
- Assembly
- Employee stock purchase plan
- Disability insurance
Aerospace Engineer
Poseidon Aerospace —San Francisco, CA
- Full-time
- Data analysis skills
- Mid-level
- Databases
Quick Apply
Avionics Engineer
Astro Mechanica —San Francisco, CA
- $120,000 - $200,000 a year
- Full-time
- Office
- Senior level
- Commercial
- Paid holidays
- Health insurance
Robotics Hardware Engineer
Arxlight —Oakland, CA
- $100,000 - $200,000 a year
- Full-time
- Computer science
- Bachelor of Science
- Doctor of Philosophy
Quick Apply
Flight Test Engineer
Poseidon Aerospace —San Francisco, CA
- Full-time
- 5 years
- Bachelor's degree
- Experience equivalent to degree accepted
Quick Apply
Mechatronics Engineer
Arxlight —Oakland, CA
- $75,000 - $185,000 a year
- Full-time
- Computer science
- Bachelor of Science
- Doctor of Philosophy
Quick Apply

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propulsion engineer jobs near san francisco bay area ca

Propulsion Engineer

Poseidon Aerospace
San Francisco, CA

Quick Apply

Job Details

Full-time

Benefits

Unlimited paid time off
Snacks provided

Qualifications

Report preparation
Instrumentation troubleshooting
Engineering equipment malfunctions diagnostics
Workplace safety
Electronic control units (ECU)
System troubleshooting
Performance testing in mechanical engineering
Writing skills
Motor engine assembly
Engine controls
Mid-level
Performance testing
Assembly
Automotive calibration
Engine assembly testing
System validation
Leading team collaboration initiatives
Aircraft engine troubleshooting
Propulsion systems
System tuning
Research findings presentation
Mechanical product validation projects
Sensors
Engine maintenance
Cross-functional communication

Full Job Description

About Poseidon Aerospace:

Poseidon Aerospace is reimagining how the world moves goods. We build and operate full-size autonomous cargo aircraft; Heron, a seaplane, and Egret, a STOL aircraft; each capable of carrying two tons of payload over a thousand nautical miles. From remote communities to contested logistics operations, our platforms unlock a new cost curve for air freight, making it faster, cheaper, and accessible anywhere it's needed. Headquartered in San Francisco with offices in Washington, DC and Maine, we're a small team building something consequential.

About the role:

As a Propulsion Engineer at Poseidon Aerospace, you will lead the propulsion team’s development from initial assembly and bring-up to a fully calibrated, instrumented powerplant ready for flight. This is a hands-on role centered on engine assembly, design, tuning, and qualification via testing. You will run engines on the test stand, develop test procedures, prove they meet performance and durability targets, and collaborate cross-functionally to iterate and improve on the propulsion system.

If you have an interest in aviation, working hands-on in a test environment, motorsports or high performance engine tuning experience, and have strong instincts running an engine test cell, we are looking for you to join Poseidon.

Responsibilities

Calibrate the engine across the full aviation operating envelope: fueling, ignition, idle stability, transient response, knock, and closed-loop strategy on a standalone ECU, with the propeller governor tuned to performance and reliability targets.
Run the engine test program on an instrumented test stand: break-in, bring-up, performance mapping, and endurance/qualification runs that prove each engine flight-ready.
Bring up the integrated engine from assembled hardware through verification: Outfit assemblies, prepare systems, diagnose faults, and close out anomalies.
Operate test instrumentation and DAQ: Specify and collect required data to drive propulsion system improvements and validation in a safe and traceable manner.
Translate & Present findings: Distill, document, and present data to validate requirements, limits, and drive design changes. Work closely with other teams to refine and improve propulsion systems.
Refine & Develop the break-in, operating, inspection, and maintenance procedures: Document and collect the procedures that carry the propulsion systems through test stand runs, ground runs, and flight tests.

Core Skills

Applied tuning of standalone/aftermarket ECUs: Fuel and ignition mapping, idle and transient control, drive-by-wire, knock, and sensor/DTC strategy.
Strong conceptual and hands-on knowledge of 4-stroke piston engines
Engine test-stand or dyno experience: Experience building or running an instrumented cell, including thrust/torque measurement, cooling and oil-system instrumentation, and DAQ.
Working knowledge of aircraft propeller and constant-speed governor systems.
Sharp diagnostic, setup, and troubleshooting skills.
Familiarity with controlled assembly and maintenance standards: FOD prevention, tool management, and shop safety.

Qualifications

Hands-on experience tuning, calibrating, and bringing up EFI piston engine systems: Aviation, motorsport, engine-swap, or standalone-ECU backgrounds are strongly relevant.
Experience qualifying or validating engines on a test cell, dyno, or test stand, and ideally through ground and flight testing.
Practical knowledge of aviation and automotive fuels (AvGas, MoGas) and their effect on calibration.
Comfortable working at the bench and on the aircraft, with strong, self-directed troubleshooting instincts.
Strong collaboration skills to communicate verification findings and design feedback clearly across disciplines.

What you’ll get from us

Competitive salary and meaningful early-stage equity
Relocation support if applicable
Low-ego, collaborative workplace culture
6% retirement matching
Unlimited PTO
Free lunches, snacks, and a stocked fridge at our offices
AI tools and subscriptions

Even if you don't meet every qualification listed, we encourage you to apply. At Poseidon Aerospace, we value diverse perspectives and are always looking for talented individuals with unconventional backgrounds.

Quick Apply

Refine Your Search

propulsion engineer jobs in san francisco bay area ca

Propulsion Engineer

Propulsion Design Engineer

Propulsion Mechanical Engineer (Combustion) - Dropship

Entry-Level Propulsion Design Engineer

Senior Propulsion Engineer, Combustion

Propulsion Engineer - Test

Propulsion Inlet Design Engineer

Propulsion Systems Engineer [Mechanical/Aerospace Engineer]

Senior Propulsion Test Engineer

Senior Propulsion Design Engineer

Senior Propulsion Development Engineer

Propulsion Unit Manufacturing Engineer

HIL Engineer II

Port Engineer

Senior Propulsion Mechanical Engineer

Aerospace Engineer

Avionics Engineer

Robotics Hardware Engineer

Flight Test Engineer

Mechatronics Engineer

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