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Float

Senior Prototype & Test Engineer

Float, Corona, California, us, 92878

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Float is an early-stage aerospace company developing advanced

airship systems

for large-scale cargo applications. We are focused on solving hard aerospace problems and translating ambitious concepts into real, tested hardware. Our team is small, execution-driven, and building a new airship platform from first principles.

The Role As

Senior Prototype & Test Engineer , you will be responsible for building, testing, and iterating on early hardware for Float’s airship platform. This is a

deeply hands‑on role

for an engineer who enjoys turning designs into physical reality, pushing hardware to its limits, and feeding real‑world data back into design decisions.

You will work closely with mechanical, structures, propulsion, and avionics engineers to ensure prototypes are built correctly, tested rigorously, and improved quickly.

Responsibilities

Build and assemble

prototypes and proof‑of‑concept hardware , including scale models and early flight‑relevant components

Design and fabricate

test fixtures, rigs, and instrumentation

to support subsystem and system‑level testing

Execute

hands‑on testing

to validate structural, mechanical, and system performance

Collect, analyze, and document

test data

to inform design iteration

Identify failure modes and work with design engineers to implement improvements

Support

integration, assembly, and troubleshooting

during prototype build phases

Assist in developing

test plans, validation procedures, and safety protocols

Maintain an organized, safe, and efficient prototype and test environment

Qualifications

Degree in Mechanical, Aerospace, or related engineering field, or

equivalent hands‑on experience

Strong background in

prototyping, fabrication, and experimental testing

Proven experience building and testing

complex physical systems

Comfortable working with tools, fixtures, and instrumentation in a shop or lab environment

Ability to interpret engineering drawings and translate them into physical hardware

Strong problem‑solving skills and attention to detail

Comfortable working in fast‑moving, early‑stage environments

Nice to Have

Experience with

aerospace, UAVs, robotics, or experimental hardware programs

Familiarity with

structural testing, instrumentation, and data acquisition

Experience building

scale models or test articles

Prior experience at a startup or skunkworks‑style engineering team

Why Join Us This is a rare opportunity to shape the core engineering DNA of a company redefining how cargo moves across the planet. You’ll take on meaningful responsibility early, build groundbreaking vehicles, and grow alongside a world‑class team pioneering the future of sustainable air mobility.

Seniority level Mid‑Senior level

Employment type Full‑time

Job function Engineering and Information Technology

Industries Airlines and Aviation

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