Industrial Machinist: Precision Maintenance & Valve Testing

NewMarket; Houston (TX); On-site; USD 52,000 - 72,000; Full time

Job summary

Afton is seeking a skilled Machinist to install, maintain, and troubleshoot industrial equipment in our Houston-area facility. You will perform preventive maintenance, alignment, and valve testing, ensuring safety and regulatory compliance.

Qualifications include a high school diploma and 5 years of relevant experience. Expect manual dexterity, ability to work overtime, and strong teamwork across maintenance and operations teams.

Qualifications

• High school diploma and 5 years of relevant experience.

Responsibilities

• Install, assemble, dismantle, and relocate industrial machinery and equipment.
• Perform preventive and predictive maintenance on mechanical systems.
• Troubleshoot mechanical failures and determine root causes of equipment issues.
• Repair and replace bearings, shafts, couplings, belts, chains, seals, and other mechanical components.
• Align motors, pumps, and rotating equipment using precision alignment tools.
• Read and interpret blueprints, schematics, technical manuals, and equipment drawings.
• Perform precision measurements using micrometers, dial indicators, calipers, and laser alignment equipment.
• Conduct equipment inspections and document maintenance activities.
• Collaborate with operations, engineering, and maintenance personnel to minimize downtime.
• Ensure compliance with safety regulations, lockout/tagout (LOTO) procedures, and company policies.
• Assist with shutdowns, turnarounds, and major maintenance projects.
• Operate hydraulic cranes up to 35 tons safely and efficiently.
• Operate rigging and lifting equipment safely when moving machinery and components.
• Operate manlifts safely and efficiently.
• Inspect, troubleshoot, disassemble, clean, repair, and reassemble pressure relief valves and safety valves.
• Perform valve testing and calibration using certified test equipment.
• Verify valve performance and critical dimensions according to ASME, API, National Board, and customer specifications.
• Read and interpret technical drawings, specifications, and repair procedures.
• Diagnose valve malfunctions and recommend corrective actions.
• Complete maintenance, repair, testing, and certification documentation accurately.
• Operate valve testing equipment, lathes, grinders, and other shop machinery as required.
• Maintain calibration records and quality control documentation.
• Identify replacement parts and assist with inventory control.
• Participate in continuous improvement and reliability programs.
• Communicate repair findings and recommendations to supervisors.

Skills

Mechanical troubleshooting

Precision alignment

Preventive maintenance

Hydraulic and pneumatic systems

Rigging and lifting

Safety compliance

Root cause analysis

Teamwork and communication

Valve operation and testing

Attention to detail

Independent work

Documentation skills

Quality control

Education

High school diploma

Tools

Lathes

Grinders

Laser alignment equipment

Dial indicators

Micrometers

Calipers

Job description

Afton is seeking a skilled Machinist to install, maintain, and troubleshoot industrial equipment in our Houston-area facility. You will perform preventive maintenance, alignment, and valve testing, ensuring safety and regulatory compliance.

Qualifications include a high school diploma and 5 years of relevant experience. Expect manual dexterity, ability to work overtime, and strong teamwork across maintenance and operations teams.