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Optical-Mechanical Assembler

SEILER INSTRUMENT & MANUFACTURING CO INC
Saint Louis, MO Full Time
POSTED ON 10/15/2026
AVAILABLE BEFORE 2/12/2027

Join Our Team! Seiler Instrument is Hiring Skilled Optical-Mechanical Assemblers for Our Aerospace & Defense Division!

Are you a detail-oriented professional with a passion for precision and craftsmanship? At Seiler Instrument & Manufacturing Company, Inc., we take pride in building high-quality optical-mechanical systems that support aerospace and defense innovations. We are looking for skilled Optical-Mechanical Assemblers to join our team and be part of something extraordinary!

Perks and Benefits:

  • Medical, Vision, and Dental health plans
  • Parental and Bonding Leave
  • PTO
  • 401(k) Matching
  • Tuition Reimbursement

Here at Seiler we are committed to not only manufacturing and selling the highest quality systems and utilizing modern techniques, but we are also committed to our employees’ well-being and happiness. In addition to the perks above we also offer:

  • 9 annual paid holidays
  • 1-2 free company events every summer
  • Employee Assistance Program (EAP)
  • Flexibility in start/stop time for most positions
  • Profit Sharing and More!

Responsibilities include:

  • Responsible for assembling, adjusting/calibrating, cleaning, and testing instruments and subassemblies.
  • Performs wiring diagnostics and troubleshooting of instruments, components and systems.
  • Must interpret mil-specifications and blueprints/drawings.
  • Must be proficient in reading calipers, height gauges, collimators, VOMs and other measuring devices.
  • Demonstrates understanding of complicated mechanical components, precision fit recommendations, instrument qualifications and calibrations.
  • Uses hand tools and light machinery (e.g. drill press)

Requirements include:

  • High school diploma or GED required
  • Technical school, or 3 years verifiable experience, in optical-mechanical assembly required
  • Soldering and electrical circuitry experience preferred
  • Fine motor skills/manual dexterity is required including: pinching, pressing, rotating, using tweezers, delicate tool work, etc.
  • Frequent sitting and standing are required
  • Good near vision is required
  • Must be able to lift and move 40 lbs, with or without assistance

Work instructions are provided in English

Benefits:

Health Insurance, 401K Plan

Salary : $39,633 - $51,731

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