Job Description
Position Summary Reporting to the Operations Manager, the
SCADA/PLC
Controls Technician ensures the safe, reliable, and efficient operation of the instrumentation, programmable logic controllers (PLCs), and HMI/SCADA
systems across the company's three gas storage sites. This is a hybrid role that combines hands-on maintenance, troubleshooting, and calibration with controls programming — developing and modifying ladder-logic PLC programs and building and maintaining HMI applications in AVEVA and Wonderware. The successful candidate is a self-motivated, hands-on individual with strong team skills who can both keep field equipment running and improve the control systems behind it. The role includes analyzing mechanical and electrical designs, building sequences of operation, implementing them in functioning PLC programs and SCADA screens, and supporting the testing, commissioning, and ongoing upkeep of those systems. Primary Duties & Responsibilities Maintenance, Calibration & Field Operations Perform hands-on troubleshooting, maintenance, and repair of electrical and instrumentation equipment across all three storage sites, identifying opportunities for improvement and optimization. Maintain, calibrate, and repair instrumentation and control equipment, including valve actuators, VFDs, transmitters, and process equipment. Maintain accurate records of calibration and equipment performance as required for compliance systems. Maintain SCADA, PLC, and HMI hardware and software, along with associated computers and network equipment. Understand and perform safety responsibilities such as hazard identification, equipment lockout/tagout, emergency response, and implementation of safe work procedures. Programming, Integration & Documentation Develop, modify, test, and document PLC programs using ladder logic. Build, configure, and maintain HMI/SCADA
applications in AVEVA and Wonderware System Platform. Translate mechanical and electrical designs into sequences of operation, and implement those sequences into functioning PLC programs and user-friendly SCADA screens. Design and implement system protection schemes for process equipment. Prepare and revise control logic documentation, drawings, and equipment specifications; maintain accurate product documentation and records. Support testing and commissioning of new and modified control systems. General Adhere to company and applicable client / regulatory engineering standards and procedures. Ensure effective communication with operations, maintenance, and management staff. Participate in ongoing performance improvement, including site-specific and equipment-specific training and job progression. Provide support across all three storage sites; willing to work extra hours and be on call when required. Qualifications Required Instrumentation and electrical qualifications and/or equivalent work history. Experience level is open (DOE); candidates from entry-level through senior will be considered based on demonstrated ability. Hands-on experience programming PLCs in ladder logic. Experience building or maintaining HMI/SCADA
applications (AVEVA and/or Wonderware System Platform). Working knowledge of Modbus, HART communications, VFDs, Windows operating systems, and industrial networking. Solid understanding of computer hardware and network equipment as it relates to control systems. Strong troubleshooting, analytical, and problem-solving skills. Team player with strong interpersonal, organizational, and communication skills. Self-motivated, with the ability to work independently when required and a willingness to learn equipment maintenance and calibration requirements. A valid driver's license. Preferred Five (5) or more years of experience in the natural gas, LNG, or other applicable programming industry. Allen-Bradley Studio 5000 experience. Formal training in both instrumentation and SCADA systems. Familiarity with the National Electric Code (NEC). Proficiency with Microsoft Office. Application Process Qualified applicants are invited to submit a resume and cover letter, along with three (3) professional references, to: Interior Gas Utility — Human Resources HR@interiogas.com Pay:
$78,000.00 - $90,000.00 per year Benefits:
401(k) 401(k) matching Dental insurance Health insurance Life insurance Paid time off Vision insurance Work Location:
In person
