Precision Machinist: Valves, Maintenance & Reliability

Afton Chemical Corporation; Houston (TX); On-site; USD 52,000 - 76,000; Full time

Job summary

The Machinist at Afton Chemical Corporation will install, maintain, troubleshoot, repair, and align industrial machinery across our Houston facility, working with pumps, gearboxes, motors, turbines, and valves to keep operations safe and reliable.

You will read blueprints, perform precision measurements, operate cranes up to 35 tons, comply with LOTO and safety policies, and support shutdowns and major maintenance while documenting activities for quality control.

Qualifications

• High school diploma
• 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 and techniques
• 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 systems

Pneumatic systems

Rigging and lifting

Safety compliance

Root cause analysis

Teamwork and communication

Valve testing

Documentation skills

Quality control

Education

High school diploma

5 years of relevant experience

Job description

The Machinist at Afton Chemical Corporation will install, maintain, troubleshoot, repair, and align industrial machinery across our Houston facility, working with pumps, gearboxes, motors, turbines, and valves to keep operations safe and reliable.

You will read blueprints, perform precision measurements, operate cranes up to 35 tons, comply with LOTO and safety policies, and support shutdowns and major maintenance while documenting activities for quality control.