Castelion
Lead R&D Technician - Mechanical Assembly
Torrance, CA +1 · Full-time · Posted Oct 28, 2026
- Location
- Torrance, CA
19951 Mariner Ave, Torance, CA 90503 - Experience
- 3+ years of hands-on experience in mechanical assembly, integration, manufacturing, or field; 1+ years leading, mentoring, or coordinating an assembly or production team.
- Visa sponsorship
- Employment is contingent on the ability to access applicable export-controlled information without additional export licensing. If the role is designated for classified or restricted government access, employment may also depend on obtaining and maintaining required security clearance or authorization and meeting applicable citizenship or other eligibility requirements.
About the job
Leads hands-on mechanical assembly and integration of aerospace and defense hardware, coordinating technicians and collaborating with engineering, quality, and operations to deliver safe, high-quality builds.
What you'll do
- Lead and coordinate assembly work, including assigning priorities, training technicians, and planning labor, tooling, and materials.
- Perform and oversee precision assembly, integration, inspection, documentation, and support for functional testing.
- Resolve build issues with engineering and improve safety, quality, workflow, and assembly processes.
What they ask for
- 3+ years of hands-on experience in mechanical assembly, integration, manufacturing, or field.
- 1+ years of experience leading, mentoring, or coordinating an assembly or production team.
- Ability to interpret engineering drawings, GD&T, CAD models, bills of material, work instructions, and technical documentation.
- Proficiency with precision hand tools, torque tools, power tools, fixtures, and basic measurement and inspection equipment; understanding of mechanical interfaces, fasteners, torque application, alignment, sealing, and contamination control.
Nice to have
- Experience with flight hardware, safety-critical systems, cleanroom assembly, or contamination-control practices.
- Experience with precision alignment, bonding, sealing, electromechanical integration, digital manufacturing systems, or continuous-improvement methods.
Tools
GD&T, CAD
Model-written summary · the original posting is authoritative