Assembly Technician III

ASSEMBLY TECHNICIAN III

Job Title:

Assembly Technician III | Department:
Production |

Reports to:

Production Manager | FLSA Status:
Non-Exempt At United Precision Corporation (UPC), we are dedicated to fostering an environment where all team members can perform to the best of their abilities and realize their true potential. Every team member plays an essential role in our operations, and we value the abilities, experience, and background they bring to UPC. We recognize that we can continuously improve, grow, and create new opportunities in the years to come only through the team members who provide the services our customers rely on.

JOB SUMMARY:

The Assembly Technician III performs complex mechanical assemblies, advanced fit-up and troubleshooting, and production support activities while maintaining high standards of quality, efficiency, and process control.

KEY RESPONSIBILITIES:

Independently perform complex, multi-stage assembly and specialized bonding, rubber-processing, and curing operations as assigned

Interpret complex drawings, specifications, and geometric tolerances

Plan assembly sequences, tooling, fixtures, and component handling

Perform precision alignment, fit-up, shimming, and controlled fastening

Troubleshoot mechanical interference, tolerance stack-up, and assembly defects

Conduct advanced in-process verification and support acceptance testing

Investigate assembly, adhesive bonding, cure-cycle, and material-processing issues; identify root causes and recommend corrective actions

Train and mentor lower-level assembly technicians

Support new product introduction, first-article builds, controlled process trials, and validation of assembly or curing operations

Partner with Engineering and Quality on assembly process improvements

Troubleshoot specialized equipment and process variation within approved limits; escalate changes requiring Engineering or Quality authorization

Ensure compliance with customer requirements and traceability controls

Follow applicable AS9100/ISO 9001 quality procedures, customer requirements, and export-controlled/ITAR handling rules where applicable

Other duties as assigned WHAT YOU BRING TO UPC:

Advanced mechanical assembly knowledge

Process improvement mindset

Leadership through influence

Ability to mentor others

Commitment to operational excellence

Required Experience/Education High school diploma or GED5+ years of mechanical assembly or related manufacturing experience

Experience assembling complex mechanical systems

Strong blueprint reading and measurement skills

Working knowledge of GD&T and tolerance relationships

Preferred Experience /Education Technical or journeyman-level mechanical training

Aerospace and/or defense manufacturing experience

Experience with precision fixtures, alignment, or testing

Lean manufacturing training

Experience with adhesive bonding, elastomer processing, hot-press operations, or controlled curing CORE COMPETENCIES Technical expertise

Process optimization

Leadership

Quality ownership

Critical thinking SKILLS FOR SUCCESS Complex assembly and process planning, including critical cure parameters and contamination controls GD&T interpretation

Precision alignment and fit-up Fixture and tooling knowledge

Root cause analysis

Process improvement implementationBENEFITSMedical, Dental, Vision Benefits
401K Paid Holidays Vacation Time PHYSICAL REQUIREMENTS The physical demands described here are representative of those that must be met by a team member to successfully perform the essential functions of this job. Reasonable accommodation may be made to enable team members with disabilities to perform the following essential functions:

Ability to remain in a stationary or active position (standing, walking, bending, reaching) for prolonged periods, typically 10–12 hours…