Downstream Machinist III SR

Cooper Machinery Services LLC; Deer Park (TX); On-site; USD 55,000 - 75,000; Full time

Benefits offered by this job

Comprehensive medical, dental, and vis

Company 401(k) with match

Life insurance

Disability coverage

Paid time off

Job summary

Cooper Machinery Services LLC in Deer Park, TX is seeking a skilled machinist to turn blueprints into precision one-off parts and tooling for heritage equipment. You will set up and operate manual lathes, mills, and drills, read complex drawings, and ensure parts meet exact tolerances.

Ideal candidates have 5–8 years of manual machining experience, strong measurement tool knowledge, and good math/communication skills.

Qualifications

• High School Diploma or GED
• 5–8 years of manual machining experience
• Ability to read, evaluate, and respond to product specifications and complex drawings, with solid quality control habits
• Use of precision measuring tools and shop mathematics

Responsibilities

• Set up and run manual lathes, mills, and drills to machine one-off parts and tooling to specification
• Read blueprints, drawings, specifications, and job cards to determine dimensions, tolerances, machining time, and quantities
• Repair and restore parts that support our turbocharger service business
• Lay out and inspect finished parts to confirm conformance to prints and routing instructions
• Align and secure fixtures, cutting tools, jaws, and materials; monitor feeds and speeds; adjust machine offsets
• Apply surface finishes, deburr, and stamp parts to specification
• Use advanced trade mathematics to work through complex drawings and specifications
• Flex across multiple machine types and collaborate with the Aftermarket team to meet customer needs

Skills

Manual machining

Blueprint reading

Precision measuring tools

Mechanical aptitude

Read complex drawings

Verbal and written communication

Math and computer basics

Physical stamina (lift 40 lbs)

Team player, flexible

Education

High School Diploma or GED

Vo-Tech certificate (preferred)

Job description

Some of the most legendary engines and compressors ever built are still running today, and they are running because skilled machinists keep them alive. At Cooper Machinery Services, you will turn blueprints into precision one-off parts and tooling for equipment with a heritage dating back to 1833, including Cooper-Bessemer™, Ajax™, and Superior™. Your work supports our turbocharger service business and Aftermarket team, keeping customers in Oil & Gas, Power, Transportation, and Marine up and running around the world. If you take pride in tight tolerances and true hands-on manual machining, this is a place where your craft matters every single day.

What you will do:

• Independently set up and run manual lathes, mills, and drills to machine one-off parts and tooling to specification
• Read and interpret blueprints, drawings, specifications, and job cards to determine dimensions, tolerances, machining time, and quantities
• Repair and restore parts that support our turbocharger service business
• Lay out and inspect finished parts to confirm they conform to prints and routing instructions, and complete the required documentation
• Align and secure fixtures, cutting tools, jaws, and materials; monitor feeds and speeds; adjust machine offsets such as wear, geometry, and cutter compensation
• Apply surface finishes, deburr, and stamp parts to specification
• Use advanced trade mathematics to work through complex drawings and specifications
• Flex across multiple machine types and partner with the Aftermarket team to meet customer needs
• Work safely every day: follow PPE and safety rules, use proper lifting techniques, keep machine guards in place, and maintain a clean, organized work area

Who you are:

• High School Diploma or GED from an accredited school or institution
• 5-8 years of manual machining experience, ideally in oil & gas, power, heavy equipment, or automation & controls
• Advanced knowledge of precision measuring tools, including dial and Vernier calipers, ID mics, depth mics, and ball mics
• Strong mechanical aptitude and comfort with various types of metal cutting machinery
• Ability to read, evaluate, and respond to product specifications and complex drawings, with solid quality control habits
• Effective verbal and written communication skills, plus basic math and computer skills
• Ability to lift at least 40 pounds and perform physical work involving standing, bending, and kneeling
• Adaptable in a team environment as work needs change
• Willingness to work overtime, weekends, and holidays as required

You also bring the Cooper competencies: safety focused, service-oriented, business focused, a self-starter, dependable, a strong team player, results oriented, and a sense of urgency.

Preferred:

• Certification to operate a forklift, pallet jack, and crane
• Vo-Tech certificate
• Knowledge of oilfield assemblies and parts

Why Join Us:

• Most benefits are effective on your first day of employment, with no waiting period
• Comprehensive medical, dental, and vision insurance
• Company-paid life, AD&D, short-term, and long-term disability coverage (6-month short-term disability waiting period)
• Voluntary life, AD&D, and long-term disability buy-up plan
• Voluntary benefit plans including accident, critical illness, and hospital indemnity insurance
• 401(k) with up to 5% company match, and you are 100% vested on Day 1
• Maternity and parental leave, Arc Fertility Benefits, and an Employee Assistance Program (EAP) for mental health support

Cooper Machinery Services is an equal opportunity employer and gives all qualified applicants consideration of employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, genetic information, national origin, disability status, protected veteran status, or any other characteristic protected by federal, state, or local laws.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.