Role Summary:
As a Welder, you will be responsible for laying out, cutting, fitting, tacking, and welding a variety of metal assemblies using the Gas Tungsten Arc Welding (GTAW) process. This role requires precision and attention to detail, as you will ensure all fabrications meet exact drawing tolerances and complete in-process inspection reports to maintain quality standards. The components you will work on include spherical and cylindrical chambers, bell jars, service wells, nipples, tees, gas fittings, and adapters, all of which demand high-quality craftsmanship in a precision-driven environment.

Shift: First (Monday – Friday), 6:00 AM – 2:00 PM
Location: Jefferson Hills, PA

What we are looking for:

A passion for precision welding and a commitment to quality craftsmanship
Proven skill in the Gas Tungsten Arc Welding (GTAW) process
Enthusiasm for working on custom-built projects that require attention to detail and technical excellence

Key Responsibilities

Perform GTAW welding with correct tungsten selection, gas type/flow, and amperage settings
Produce vacuum-tight aluminum welds in flat, vertical, and overhead positions
Read and interpret moderately complex blueprints and weld symbols; report discrepancies
Accurately layout and secure assemblies using standard tools
Use measuring tools (calipers, rulers, feeler gauges, pi tapes) to verify tight tolerances
Operate plasma cutting torch for proper fitment
Weld chambers that consistently pass leak-check standards
Safely operate rotary positioners and complete data sheets with minimal assistance
Follow all company policies and safety procedures

Qualifications
Required:

High School Diploma or GED
4–7 years of experience in GTAW welding
Strong math skills and ability to read mechanical drawings
Ability to bend, stoop, squat, twist, and lift up to 60 lbs unassisted
Qualified to operate a 5-ton crane

Preferred:

Certificate from a vocational/trade school or community college
Completion of an accredited welding apprenticeship program

About Us:
Kurt J. Lesker Company (KJLC) is a global leader in advanced manufacturing solutions, serving industries such as semiconductor, aerospace, medical, and optics. With over 70 years of innovation, we specialize in high-quality vacuum products and systems that power cutting-edge technologies. Our commitment to excellence has earned us recognition for workplace culture, sustainability, ethics, and manufacturing leadership.

Benefits & Recognition

Comprehensive medical, dental, vision, life, and disability insurance
On-site gym and running trail
Climate-controlled work environment
Health & wellness programs (yoga, meditation, seminars, flu shots, biometric screenings, annual 5K, and more)
Sustainability initiatives (recycling, solar panels, EV charging stations)
Paid time off
401(k) with employer match
Company-wide events and celebrations

Kurt J Lesker Company is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.  KJLC is committed to providing reasonable accommodations for persons with disabilities (unless doing so will result in undue hardship). If you need a reasonable accommodation for any part of the employment process, please send an e-mail to our human resources department at [email protected] or call (412) 387-9200 to provide the nature of your request.   

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