Service Tech

Job Summary:

The technician installs, maintains, calibrates, troubleshoots, tests, revises, and repairs electrical, control, and instrumentation equipment for water and wastewater treatment. Also assists in overseeing Supervisory Control and Data Acquisition (SCADA) computer systems, Programmable Logic Controllers (PLC), and maintenance software packages.


Duties and Essential Job Functions:

Install, calibrate, maintain, troubleshoot, and repair electronic and electromechanical control equipment and associated power systems to ensure proper operation; maintain and troubleshoot computerized process control equipment such as PLCs, RTUs, and SCADA systems. Perform preventative, scheduled, and emergency maintenance, including developing and implementing calibration schedules.  Maintain and revise control panels, programmable controllers, and related input and output equipment.  Install, maintain, repair, and calibrate various detectors, alarms, analyzers, and sensors for flow, level, pressure, temperature, pH, ORP, Chlorine, Ammonia, etc. Maintain awareness of new technology; and perform additional duties as assigned.

Confer with operators, mechanics, project engineers, and supervisors regarding instrumentation, control, and SCADA issues. Communicate in advance with affected staff on instrumentation and related PLC or SCADA work. Prepare reports on technical issues as required. Develop, implement, and maintain procedures for documenting activities in instrumentation and control areas, including maintaining an instrumentation and control equipment maintenance log.



Related technical coursework or Associates in Electronics or Instrumentation preferred. Knowledge of basic electronic and electrical theories, including analog/digital principles.  Basic PLC programming and applications, radio communication, process control, instrumentation, motor starter principles, and troubleshooting techniques.  Knowledge of SCADA systems, process controls, programmable controllers, and related IO subsystems. Knowledge of water/wastewater distribution and collection systems principles and applications.

Knowledge of the standards, practices, methods, materials, tools, and measuring instruments used in the electrical, electronic, and mechanical fields. Considerable knowledge of the hazards and safety precautions peculiar to this work. Skilled in using power and hand tools and measuring instruments, such as volt ohmmeter, oscilloscope, tone test meter, current loop calibrator/simulator, and specialized calibration and configuration equipment. Have the ability to read P & ID and electrical drawings, schematics, and blueprints and work quickly and safely under pressure in emergency situations.

Valid driver’s license and acceptable motor vehicle record.


Physical Demands/Work Environment:

Moderate physical work requires lifting and carrying objects weighing up to 50 pounds, excerpting up to 20 pounds of force frequently, and up to 10 pounds of force constantly to move objects. Regular walking and standing for inspection and testing; frequent pushing, pulling, bending, crouching/stooping, and climbing to test and inspect control systems; hand/eye coordination to operate computers and peripherals; hand/foot coordination for operation of a vehicle to travel to remote sites; vision to read manuals, test instruments, and other written materials; speech communication to provide technical information and instructions; hearing and listening to troubleshoot equipment and communicate on telephone and radio.



Control System Engineer

Job Description:

The Control System Application Engineer is responsible for designing and implementing new control system application software (PLC, SCADA, Operator Interface, etc.). Responsibilities include HMI and PLC application development based on project specifications and/or requirements. HMI screen development, interfacing systems to SQL databases and field devices, generating complex reports, trending and alarm displays, and developing PLC control algorithms by company QA/QC standards.


Duties and Essential Job Functions:

-Works with Project Manager to determine the appropriate technical implementation of application requirements.

-Works with Project Manager to coordinate workload and deliverables.

-Planning, developing, and commissioning new HMI and PLC application software.

-Designs/develops HMI screens

-Designs/develops HMI background objects and scripts.

-Designs/develops HMI system communications architecture.

-Designs/develops PLC application software

-Develops documentation for associated deliverables.

-Troubleshoot problems involving signal errors, communications, and data reporting

-Commission and test new HMI and PLC application software.

-Troubleshoot problems related to HMI and PLC application software.

-Works with all project team members to communicate technical requirements and ensure implementation is following approved designs and appropriate standards.

– Participating in Client/contractor meetings and resolving Client/engineering and management project issues.

-Ensure effective engineering and Client communications

-Coordinate with Project Manager to determine documentation requirements and develops project-specific documentation.



-Bachelor’s Degree in Engineering, Computer Science, or a related field

-PLC and SCADA Programming

-Excellent written and verbal communication skills. Have the ability to work with minimal supervision to develop and implement standard programming practices, as well as provide detailed documentation upon project completion

-Create and read logic and flow diagrams for program design, programming, simulation and testing, and startup.

-Read electrical schematics

-Proficient in Microsoft Office


Physical Demands/Work Environment:

-Standing for extended periods of time.

-Dexterity of hands and fingers to operate hand/power tools, computer keyboard, mouse, and other devices.

-Physically able to travel to job sites to perform panel installation or modifications, assist in the startup of panel and instrumentation systems

-Extended hours may be necessary to meet project deadlines. This may include weekdays, weekends, or holidays. May be assigned to work at a Client’s facility or site for an extended period of time.

-While performing this job, would occasionally be required to stand, walk, sit, reach with hands and arms, climb or balance, stoop or kneel, talk and hear, and use fingers and hands to feel objects, tools, or controls.

-Specific vision abilities required include close vision, distance vision, depth perceptions, and the ability to adjust focus.