Assembler III at Quinstar Technology Inc – Torrance, California

The MIC Assembler III performs advanced assembly of micro-electronic components and circuits. This role works independently on complex builds, including space and development hardware, while ensuring workmanship meets strict engineering and quality standards. In addition to hands-on assembly responsibilities, the MIC Assembler III supports inspection activities, process improvements, and provides guidance and mentoring to less-experienced team members. The ideal candidate is highly detail-oriented, technically skilled, and committed to maintaining productivity, quality, and team success.

• Read, interpret, and follow detailed circuit layout drawings, bonding diagrams, and engineering work instructions
• Assemble complex MIC and MMIC circuits, including fine-pitch components, deep access housing assemblies, and high-reliability space hardware
• Perform precision epoxy die attach and component placement using microscopes and specialized manual tools
• Execute manual gap welding operations and other precision joining techniques
• Perform component and MMIC inspections to verify workmanship quality and alignment
• Conduct pull testing and shear force testing to validate assembly integrity and compliance with specifications
• Perform rework, repair, and modification of assemblies in accordance with engineering and quality requirements
• Support engineering prototype builds and development activities, assisting with process improvement efforts
• Operate specialized equipment including plasma cleaning systems, bake ovens, and hot work holders
• Train and mentor entry-level and intermediate assemblers, sharing best practices and workmanship standards
• Accurately document assembly steps, inspections, and test results on production travelers
• Maintain a clean, organized, and ESD-compliant work area, ensuring proper handling and storage of tools and materials.
• Team player with a positive attitude, eager to collaborate and contribute to the success of the team.
• Support special projects, providing additional assistance and resources as needed.
• Exemplify QuinStar’s Core Values Accountability, Compassion, and Tenacity in all tasks, ensuring that your work directly contributes to team success and company growth.
  

• U.S. citizenship required due to federal contract regulations.
• High school diploma or equivalent; technical training preferred.
• 4+ years of hands-on experience in micro-electronics, semiconductor, aerospace, or precision electronics assembly.
• Demonstrated ability to perform advanced assembly and inspection tasks independently.
• Expert with fine-pitch components and complex circuit configurations.
• Ability to read and interpret detailed engineering drawings and bonding diagrams.
• Strong understanding of micro-electronic assembly workmanship and quality standards.
• Experience working with delicate components under a microscope for extended periods.
• Proven ability to train, guide, or mentor other assemblers.
• Strong attention to detail, organization, and productivity awareness.
• Basic computer skills for documentation and recordkeeping.

Physical Requirements:

Engage in the following activities for prolonged periods of time:

This role routinely uses standard office equipment such as computers, phones, photocopiers, and filing cabinets.

• Ability to stay in stationary position for extended length of time.
• Possess manual dexterity/fine motor skills.
• Ability to work under a microscope continuously for an extended period of time.
• Ability to move around a Lab, Cleanroom and light manufacturing environments

*We offer a comprehensive benefits package that includes medical, dental, and vision insurance, 401(k) retirement plan, paid time off and holidays, and ongoing training and development opportunities to support your career growth.