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Instrumentation Tech / Mechanic

PQ Corporation

PQ Corporation

St. Louis, MO, USA
Posted on Feb 4, 2026
Company Description

PQ is a leading global provider of silicates, silicas and derivative products. PQ’s products are used in a wide variety of industrial processes and many customer products, from decorative paints to green cement, from clean drinking water to green tires and from toothpaste to biofuels and beer.

Ideal candidates resonate with PQ’s Core Values of Integrity, Sustainability, People, Customer Focus and Safety. Successful employees embrace and model these values in their behaviors and actions.

    Job Description

    Responsible for all phases of instrumentation, control and networking at it relates to process control, process instrumentation and computer network. Responsible for all calibration requirements. Responsible for efficient and cost effective maintenance and repair of all plant/building equipment, both electrical and mechanical. Perform preventative maintenance procedures, as required and understand and utilize computerized work order system and maintenance inventory system.

    Essential Duties & Responsibilities

    • Trouble shoot and repair or adjust existing equipment
    • Layout and install new equipment
    • Perform preventative maintenance as scheduled
    • Machine shop operation
    • Maintain boiler operations and steam handling systems. (ex. valves, traps)
    • Document all test results, process parameters and adjustments and environmental regulatory requirements
    • Operation of forktruck.
    • Operation of boom lifts, scissor lifts, and other motorized equipment as necessary.
    • Comply with all federal, state, and local environmental, health, and safety regulations and requirements.
    • Comply with company policies and site work rules.
    • Perform needed housekeeping functions
    • Complete environmental data gathering, as needed
    • Other duties as assigned or required.
    Qualifications
    • High School Graduate or Equivalent
    • Minimum of an Associate’s Degree in Electronics, Industrial Electrical/Instrumentation Technology or similar Industrial Electrical Maintenance degree or at least 5 years industrial experience as an Instrumentation Technician, Industrial Electrician and general plant maintenance experience.
    • Knowledge of blue prints, carpentry, sheet metal repair, inventory, pipe fitting, electrical
    • Ability to use TIG and oxy-acetylene burning and welding equipment.
    Additional Information

    EHS Responsibilities

    • Communicates, promotes and personally demonstrates Safety/Health (including PQP Principles) as #1 priority
    • Participation in risk assessment audits as applicable
    • Understand PQ Principles (PQP) and how they are implemented in the site organization, rules and procedures
    • Completes HSE training requirements identified for the job in a timely manner

    PQ is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other legally protected characteristics. Click on the link to read Know Your Rights: Workplace discrimination is illegal (eeoc.gov). For more information, please review the link Know Your Rights: Workplace Discrimination is Illegal | U.S. Equal Employment Opportunity Commission (eeoc.gov).

    Job Location