Lead Composites Build Engineer - On the Floor

Mach Industries; Huntington Beach (CA); On-site; USD 145,000 - 175,000; Full time

Job summary

Mach Industries is seeking a Lead Build Engineer (Composites) to own the integration, build, and test of composite structures from prototype through production ramp. You will operate at the intersection of design, manufacturing, and test, ensuring builds are reliable, repeatable, and produced at rate.

This is a hands-on role on the factory floor, solving problems in real time, driving hardware to completion, and collaborating with design engineering to improve yield while meeting schedule and

Qualifications

• Bachelor's degree in Mechanical, Electrical, Aerospace or related field.
• 3+ years of hands‑on experience with composite structures in aerospace/defense/high‑performance automotive.
• Demonstrated experience building real hardware, not just design.

Responsibilities

• Lead hands-on build of composite structures (airframes, tanks, ducts, control surfaces).
• Drive daily execution against build schedules by removing blockers and maintaining momentum.
• Translate engineering intent into executable builds under real‑world constraints.
• Define and execute bonding, fastening, trimming, and finishing operations.
• Lead fit‑up, alignment, and tolerance closure across multi‑part assemblies.
• Develop and refine composite processes including layup, cure cycles, trimming and bonding.
• Rapidly iterate processes from prototype to mass production.
• Plan and execute structural and functional tests of composite assemblies.
• Own failure investigations and implement corrective actions.

Skills

Composite structures

Hands-on hardware

Problem solving

Manufacturing support

Education

Bachelors in Mechanical/Aerospace Engineering

Tools

Prepreg layup

Oven/autoclave cure

Cure cycles

NDT methods

Job description

Mach Industries is seeking a Lead Build Engineer (Composites) to own the integration, build, and test of composite structures from prototype through production ramp. You will operate at the intersection of design, manufacturing, and test, ensuring builds are reliable, repeatable, and produced at rate.

This is a hands-on role on the factory floor, solving problems in real time, driving hardware to completion, and collaborating with design engineering to improve yield while meeting schedule and