Machinist III

Valsource; Pasadena (TX); On-site; USD 52,000 - 70,000; Full time

Job summary

Valsource is seeking a Machinist III to uphold HSEQ processes, interpret complex drawings, and operate turning/milling equipment for critical tasks. The role involves using a 4-Jaw Independent Chuck, band saw, drill press, and precision polishing to meet manufacturer specs.

Fluency with calipers, dial indicators, thread gauges, and advanced measuring tools is required. Ideal candidates will have 3+ years’ industry experience, the ability to read technical drawings, and the capacity to mentor

Qualifications

• HS Education or GED equivalent a plus
• 3+ years industry experience
• Proficient in reading and interpreting technical drawings

Responsibilities

• All Additional Job Responsibilities of a Machinist I & II
• Support Machinist I & II employees through mentoring and/or on-the-job training (OJT)
• Perform final quality inspection on all machined components and equipment
• Determine machining requirements for complex projects
• Potentially assume role as Field Supervisor
• Assisting with machine shop consumables inventory
• Fabricate drawings from sample parts

Job description

Posted Thursday, August 20, 2026 at 6:00 AM

Summary:

The role of Machinist III involves expert-level responsibilities in adhering to all company HSEQ processes and procedures, reviewing and comprehending complex part drawings, and performing setup and operation of turning and milling equipment for critical tasks. Responsibilities include operating a 4-Jaw “Independent Chuck,” band saw, and drill press, polishing various valve parts to manufacturer specifications, and roughing out in-house fabricated parts. The role also requires machining flanges to within ASME 16.50 specifications, drilling and tapping holes, and having knowledge of advanced measuring tools such as calipers, dial indicators, tape measures, and thread gauges. Additionally, there is an advanced learning component for various measuring instruments, including micrometers, last word indicators, PMI guns,, thread measurement devices, and veneers, along with mentoring junior machinists.

Responsibilities:

• All Additional Job Responsibilities of a Machinist I & II
• Support Machinist I & II employees through mentoring and/or on-the-job (OJT) training
• Perform final quality inspection on all machined components and equipment
• Determine machining requirements for complex projects
• Potentially assume role as Field Supervisor
• Assisting with machine shop consumables inventory
• Fabricate drawings from sample parts

Positional Requirements & Qualifications:

Education & Experience

• HS Education or GED Equivalent a plus
• 3+ years industry experience

Skills & Abilities

• Meets all Machinist I & II qualifications and requirements
• Proficient in Machinist I & II responsibilities
• Minimum of 3 years as a certified Machinist
• Experienced trainer of Level I & II Machinists
• Proficient in advanced machining techniques and standards
• Working knowledge and proficiency of machining metallurgy
• Knowledge and understanding of material selection
• Ability to read and understand technical drawings
• Understanding of shop math and machining costs
• Ability to organize and manage multiple tasks
• Basic OSHA and TWIC card (TWIC, only if required)
• Ability to manage people
• Excellent oral and written communication skills
• Demonstrated “can do” attitude and excellent customer service skills
• Must be able to travel and have a clear driving record in accordance with company driving guidelines
• Clear background check and drug/alcohol screening

Essential Physical Functions

• Lifting: up to 50 pounds
• Adjusting or moving objects up to 50 pounds in all directions
• Lift and carry: 50 pounds for 100 feet
• Bending, stooping, walking and climbing stairs
• Able to passperiodic medical evaluations and respirator fit tests to ensure continued compliance with OSHA standards.
• Ascending or descending ladders, stairs, scaffolding, ramps
• Moving self in different positions to accomplish tasks in various environments including tight and confined spaces
• Remaining in a stationary position, often standing or sitting for prolonged periods
• Moving about to accomplish tasks or moving from one worksite to another
• Communicating with others to exchange information
• Repeating motions that may include the wrists, handsand/or fingers
• Operating machinery and/or power tools
• Operating motor vehicles or heavy equipment
• Assessing the accuracy, neatness,and thoroughness of the work assigned
• Required physical ability if mandated by customer or regulatory requirements

This job description is intended to describe the general nature and level of the work being performed. This is not an exhaustive list of all duties and responsibilities. The company reserves the right to amend and change responsibilities to meet business and organizational needs as necessary.