Industrial Maintenance Technician – PLC & Equipment Reliability

CRH; Houston (TX); On-site; USD 55,000 - 85,000; Full time

Benefits offered by this job

Medical coverage

Dental coverage

Disability benefits

401(k) plan

Wellness programs

Job summary

Oldcastle Infrastructure, a CRH company, seeks a skilled maintenance technician to troubleshoot, repair, and maintain heavy industrial equipment in a fast-paced plant environment. The role emphasizes diagnosing hydraulic, pneumatic, electrical, and PLC-controlled systems while performing preventive maintenance to minimize downtime.

You will work on mechanical and electrical systems, read schematics, and respond to breakdowns with safe, solution-focused approaches.

Qualifications

• 3+ years of industrial maintenance experience.
• Strong mechanical troubleshooting and repair capabilities.
• Working knowledge of industrial electrical systems and motor controls.
• Experience troubleshooting hydraulic and pneumatic equipment.
• Ability to read and interpret electrical and mechanical schematics.
• Ability to independently diagnose equipment malfunctions and determine effective repair solutions.
• Familiarity with preventive maintenance procedures and industrial safety practices.
• Ability to use hand tools, power tools, and electrical diagnostic equipment.
• Willingness to work overtime or respond to critical equipment breakdowns as operational needs require.

Responsibilities

• Diagnose and repair hydraulic and pneumatic systems, including pumps, valves, cylinders, motors, and associated controls.
• Troubleshoot mechanical failures involving bearings, gearboxes, conveyors, drive systems, and power transmission components.
• Perform equipment alignments, component replacements, adjustments, and mechanical repairs.
• Maintain and repair concrete manufacturing equipment, material handling systems, and associated production machinery.
• Identify root causes of recurring mechanical failures and implement corrective actions.
• Troubleshoot and repair industrial electrical systems operating on 24VDC, 120VAC, 240VAC, and 480VAC.
• Diagnose PLC-controlled equipment, including inputs, outputs, sensors, relays, contactors, and control circuits.
• Troubleshoot variable frequency drives (VFDs), electric motors, motor starters, and control panels.
• Read and interpret electrical schematics, wiring diagrams, and technical documentation.
• Identify electrical faults using multimeters and other diagnostic equipment.
• Troubleshoot industrial communication and automation-related failures.

Skills

Industrial maintenance

Electrical troubleshooting

Hydraulic & pneumatic

PLC troubleshooting

Reading schematics

Tools

Siemens PLC

Allen-Bradley PLC

Job description

Oldcastle Infrastructure, a CRH company, seeks a skilled maintenance technician to troubleshoot, repair, and maintain heavy industrial equipment in a fast-paced plant environment. The role emphasizes diagnosing hydraulic, pneumatic, electrical, and PLC-controlled systems while performing preventive maintenance to minimize downtime.

You will work on mechanical and electrical systems, read schematics, and respond to breakdowns with safe, solution-focused approaches.