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Senior Materials Lab Engineer

Halodi Robotics, San Carlos, CA, United States


Job description
Senior Materials Lab Engineer

About 1X

Since its founding in 2015, 1X has been at the forefront of developing advanced humanoid robots designed for household use. Our mission is to create an abundant supply of labor via safe, intelligent humanoids.

We strive for excellence in all we do, solving some of the hardest problems in robotics with the world’s most talented individuals. Every part of our robots is designed and produced in-house, from motor coils to AI, reflecting our vertically integrated approach. At 1X, you’ll own real projects, be recognized for your achievements, and be rewarded based on merit.

We are seeking a

Senior Materials Lab Engineer

with deep expertise in

polymer based systems, surface science, adhesives, and coatings . This role is ideal for a highly detail orientated, hands‑on expert who can independently drive formulation, processing, surface treatment, bonding, and testing of advanced materials, while taking direct ownership of materials lab operations and capabilities.

You will play a critical role in building and operating a high performance materials lab, enabling rapid iteration from raw materials to validated components used in humanoid robots.

Key Responsibilities

Independently lead

polymer based material development , including formulation of coatings, adhesives, and multi‑layer material systems

Own

surface science and interface engineering , including surface preparation, treatment, and characterization to enable reliable bonding and coating performance

Develop and validate

adhesive bonding processes , including material selection, process definition, and durability testing

Execute hands‑on work across

material processing and shaping methods , including mixing, compounding, molding, coating, laminating, and bonding

Design and implement

rigorous testing and characterization protocols

for bulk materials and interfaces, covering mechanical, thermal, chemical, and environmental performance

Take

direct ownership of materials lab fabrication, testing, and characterization workflows , ensuring quality, repeatability, and speed

Coordinate external lab analysis and testing , including selecting partners, defining test scopes, and integrating results into development decisions

Drive structured problem solving to diagnose failures at the

material and interface level , and iterate toward robust solutions

Collaborate with

external suppliers and partners

to source materials, evaluate coatings and adhesives, and develop new processes

Work cross‑functionally with mechanical, electrical, and industrial design teams to ensure materials and interfaces meet application requirements

Support

scale‑up from lab to production , ensuring consistency of coatings, bonded assemblies, and material systems

Assist in

maintenance and capability development of the materials lab , including equipment upkeep and expansion

Contribute to development of

new tools, techniques, and lab methodologies

to accelerate materials innovation

Job requirements

MS or PhD in Materials Science, Polymer Engineering, Chemical Engineering, Chemistry, or related field

3+ years of professional industry experience in materials development, adhesives, coatings, or surface engineering

Strong hands‑on expertise in

polymer formulation, surface science, adhesives, and coatings

Experience with

surface preparation and treatment techniques

(plasma, laser processing, chemical, mechanical, or other methods)

Deep familiarity with

materials lab operations , including experimental design, test method development, and interface characterization

Experience coordinating

external testing or analytical labs

Proven ability to take

end‑to‑end ownership of lab work , from setup through execution and validation

Strong attention to detail and disciplined approach to experimental work and documentation

Excellent problem solving skills, especially in diagnosing

interfacial failures and material interactions

Experience working with

external suppliers or material vendors

Comfortable operating in fast paced, build focused environments with rapid iteration cycles

Strong communication and collaboration skills

Nice to Have

Experience with

soft materials, elastomers, or compliant systems

Familiarity with

textiles or fiber based materials

Experience scaling coatings, adhesives, or material systems to high volume manufacturing

Exposure to

multi‑material assemblies or integration with electronics

Compensation
At 1X your work and results will be rewarded with a

total rewards package

consisting of a base salary, stock options and benefits. Base salary range is $115,000 to $185,000 + equity. Your actual salary will be based on your knowledge, skills and experience.

Location Policy
We believe the best work is done when collaborating and therefore require in‑person presence in our office locations.

We’re excited to get to know you and the prospects of having you on board!
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