Machinist

Machinist / Mechanical Engineering Technician

Part-Time

Stolk Labs, Inc. – Richardson, TX

Stolk Labs, Inc. is a family-owned metallurgical and materials testing laboratory serving a wide range of industries. We are seeking a skilled Machinist with a mechanical engineering background who is looking for a long-term opportunity in a growing, small, family-owned lab environment.

This role is ideal for someone who enjoys hands-on machining work while also being open to cross-training in other technical departments within the lab.

Position Overview

The Machinist will be responsible for precision machining of test specimens and custom fixtures used in materials testing. In addition to machining responsibilities, this individual will be cross-trained in other departments (such as tensile testing, hardness testing, or sample preparation) to support overall lab operations.

We are looking for someone who understands both the mechanical principles behind machining and the importance of accuracy, documentation, and quality in a testing environment.

Primary Responsibilities

• Machine tensile specimens and other test samples to ASTM specifications
• Operate manual mills, lathes, saws, and related shop equipment
• Read and interpret engineering drawings and technical specifications
• Maintain dimensional accuracy and tight tolerance
• Assist with custom fixturing and tooling design
• Perform routine maintenance on machining equipment
• Maintain a clean, organized, and safe shop area
• Document work clearly and accurately for job tracking and quality records

Cross-Training Opportunities

Willing to be trained in:

·        Tensile testing and mechanical property evaluation

·        Rockwell hardness testing

·        Metallurgical sample preparation (cutting, mounting, polishing)

·        Optical Emission Spectrometry (OES) fundamentals

·        Lab documentation and quality systems

This role offers the opportunity to build well-rounded technical knowledge in materials science and mechanical testing.

Qualifications

• Background in Machining, Mechanical Engineering Technology, or related field
• Experience operating manual machining equipment
• Ability to read blueprints and engineering drawings
• Strong understanding of mechanical principles and tolerances
• Detail-oriented with a focus on quality and accuracy
• Ability to lift 40–50 lbs and stand for extended periods
• Strong work ethic and reliability

What We’re Looking For

• Someone who wants to grow with a small, family-run company
• Team-oriented mindset
• Willingness to be cross-trained and support multiple departments

Why Stolk Labs?

• Stable, established family-owned business
• Supportive team environment
• Hands-on technical work with real-world impact
• Opportunity to grow into broader technical roles