Instrument Controls Technician -Plc/Hmi

Make a meaningful difference: At Thatcher Chemical facilities across the nation, our manufacturing teams create the essential chemistries, processes, and solutions that support clean water, safe environments, reliable infrastructure, and critical industries. From production and quality to logistics and distribution, your precision, dedication, and commitment to continuous improvement help transform raw materials and innovative science into real-world solutions. Your purpose-driven work plays a vital role in protecting public health, supporting communities, and shaping a safer, more sustainable future.

Instrument & Electrical Technician

We are seeking a detail-oriented Instrumentation and Controls Technician to join our team. This role involves assisting senior engineers with the installation, calibration, and maintenance of SCADA, HMI, and PLC systems. The ideal candidate will possess strong technical skills in industrial automation and control systems, as well as a commitment to safety and precision.

Primary Responsibilities

• Assist senior engineers with the installation, configuration, and commissioning of instrumentation and control systems, including sensors, transmitters, valves, actuators, PLCs, and HMIs.
• Support the setup and calibration of PLC and HMI systems under the guidance of a senior engineer.
• Perform basic programming tasks and modifications to PLC and HMI systems as directed.
• Aid in the implementation and maintenance of SCADA systems for real-time monitoring and control.
• Assist with troubleshooting and diagnostics for instrumentation, controls, and network infrastructure.
• Perform preventive maintenance and calibration of instrumentation equipment.
• Follow all safety protocols and adhere to regulatory standards during installations and maintenance.

Secondary Responsibilities

• Assist in maintaining plant equipment to ensure optimal performance.
• Perform IO terminations, labeling, and basic wiring tasks.
• Provide support for process data dashboard development.
• Collaborate with contractors and other departments as needed.
• Participate in equipment installations under the supervision of senior staff.

Required Qualifications

• Associate of Applied Science (AAS) degree or 3-5 years of experience in industrial automation.
• Familiarity with PLC ladder logic and function block programming.
• Knowledge of industrial communication protocols (e.g., Modbus RTU, Modbus TCP, OPCUA).
• Proficiency in Microsoft Office (Word, Excel, PowerPoint).
• Strong communication and teamwork skills.
• Willingness to adapt to evolving technology and learn on the job.

Desired Qualifications

• Knowledge of Ethernet IP, Profinet, EtherCAT.
• Familiarity with PLC/DCS manufacturers and IEC 61113-3 programming languages.
• Strong analytical and problem-solving abilities.

Why Thatcher is right for you

100% company-funded Profit Sharing Plan (up to 25% of salary annually)

401 (k) with traditional and Roth contribution options

Comprehensive benefits: medical, dental, vision, life insurance, short- and long-term disability, HSA/FSA,

3+ weeks of PTO, and paid holidays

Education reimbursement and ongoing professional development

The pay for the successful candidate will depend on various factors (e.g., qualifications, education, prior experience). Applications will be accepted while this position is posted on our Careers website. Thatcher is an Equal Opportunity/Affirmative Action employer, including protected Veterans and individuals with disabilities.