Mechanical Assembler II Union

Stolle Machinery Company; Colorado; On-site; USD 28,000 - 40,000; Full time

Job summary

Stolle Machinery Co, LLC in Centennial, CO is seeking a Mechanical Assembler to build high value proprietary products from build books and drawings. You will read blueprints, verify parts with measuring tools, and assemble shafts, bearings, and gear systems. The role requires teamwork, attention to detail, and a high school diploma.

Typical schedule is 40 hours per week with potential on-call work. Compensation is hourly, starting at $24.78 per hour, with equal opportunity employment.

Qualifications

• High school diploma or equivalent required.
• Mechanical aptitude and ability to read drawings/blueprints.
• Ability to work well in a team and take responsibility for own work.

Responsibilities

• Read blueprints or schematics and assemble mechanical sub-assemblies.
• Assemble shafts, gears, bearings, and related components.
• Use measuring tools to verify part/assembly quality.
• Set up machines and perform routine shop tasks as needed.
• Participate in shop order close-out and returns to stock.

Skills

Mechanical Aptitude

Teamwork

Attention to detail

Blueprint reading

Education

High School Diploma or equivalent

Tools

Measuring tools

Job description

Cent Assembly - Salary Full Time Regular Manual Labor Centennial, CO, US

4 days ago Requisition ID: 2833

Salary Range: $24.78 To $24.78 Hourly

The anticipated closing date of this job post is 11/19/2026.

JOB SUMMARY (the purpose and general nature of the job):

Mechanical Assemblers build high value proprietary products as indicated by the build book. Assemblers follow drawings and use experience to interpret plans. Uses and is able to properly read measuring equipment to verify part or assembly quality. Each customer order involves a certain amount of customization, so no two machines are identical (unless ordered by one customer to be operated in sequence).

PRINCIPLE ACCOUNTABILITIES include the following:

• Works on assemblies/projects on one or more product lines.
• Uses common assembly tools and related functions in an efficient manner. This includes but is not limited to: bench work, the use of hand saws, drilling, hand tapping, deburring, part marking/identification, arbor presses, bearing heaters, etc.
• Assembles shafts, drive shafts, bearings or gear assemblies.
• May build mechanical sub-assemblies that are incorporated into finished product.
• Demonstrates ability to read basic blueprints or schematics. Redlines drawings to submit to engineering.
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• May run air and lube lines per specifications.
• Performs shakedowns, teardowns and punch list items for machines.
• Participates in the close-out of shop orders, including returns to stock.
• Installs guards, signs and nameplates on machines per specifications.
• Perform some machine set-ups.
• Other duties as assigned.

KNOWLEDGE/EXPERIENCE/SKILLS: Minimal requirements for education, knowledge and experience:

• Minimum of a High School Diploma or equivalent.
• Mechanical aptitude and experience. May have formal training as mechanic or machinist. Attention to detail is necessary.
• Ability to work in a team environment, which includes communicating effectively with team members and support staff, being self-motivated, accepting responsibility for one’s own work, and actively participating as a team member in a proactive manner.

PHYSICAL/MENTAL DEMANDS AND WORKING CONDITIONS:

• Work schedule generally consists of 40 hours per week, which may include on-call status, evenings, and/or weekends.
• Physical demands vary.
• 50 lb limit on lifting without forklift or assistance.
• Must operate in a safe, responsible manner, which respects the environment and the health of Stolle employees, customers, and the communities in which Stolle operates. At no time should work be performed in a manner which compromises environmental, health or safety values.

Stolle Machinery Co, LLC retains and reserves any or all rights to change, modify, amend, add to or delete from any section of this document as it deems, in its judgment, to be proper.

Additionally, Stolle Machinery Co, LLC is an equal opportunity employer and does not discriminate on the basis of race, color, religion, age sex, national origin, disability, or veteran status.