INSTRUMENTATION TECHNICIAN I/II/III

Transcription

1 I/II/III I. Position Identification: A) Title: Instrumentation Technician I/II/III B) Bargaining Unit: Public Employees Union, Local #1 C) Customary Work Hours: Within the hours of 6:00am to 6:00pm D) Customary Work Days: Monday through Friday E) Reports To: Assigned Supervisor F) Directs the Work Of: None; however, the Instrumentation Technician III is a lead position. G) Educational and/or Experience Requirements: Any relevant combination of education and experience that would demonstrate the knowledge and skills outlined below is qualifying. A typical way of gaining the knowledge and skills is: Education: High school diploma or equivalent supplemented by technical courses or training in maintenance and repair of instrumentation and electrical components and systems. Additional coursework in advanced mathematics, science, or engineering is desirable. Instrumentation Technician I: Experience: At least one (1) year of full-time technical work experience in the maintenance and repair of instrumentation systems. Experience in water production and wastewater operations is preferred. Instrumentation Technician II: Experience: At least two (2) years of full-time increasingly responsible technical experience with a strong emphasis in water production and wastewater operations including the maintenance and repair of instrumentation systems and experience with industrial, HMI/PLC maintenance, troubleshooting, and programming. Instrumentation Technician III:

2 Page 2 of 10 Experience: At least five (5) years of increasingly responsible technical experience with a strong emphasis in water production and wastewater operations including the maintenance and repair of instrumentation systems and experience with industrial, HMI/PLC maintenance, troubleshooting, and programming. H) Licenses and/or Certificates Required: Possession of a valid California driver s license is required. The certificates required for an Instrumentation Technician II and III are listed below. Instrumentation Technician II: Possession of a California Water Environment Association (CWEA) Electrical Instrumentation Technology Grade I Certificate, ISA Certified Control Systems Technician (CCST) Level I Certificate, or equivalent industry standard certificate, required within eighteen (18) months of hire. Instrumentation Technician III: Possession of a California Water Environment Association (CWEA) Electrical Instrumentation Technology Grade II Certificate, ISA Certified Control Systems Technician (CCST) Level II Certificate, or equivalent industry standard certificate, required within eighteen (18) months of hire. II. III. FLSA Status: Non-Exempt Position Summary: To perform or assist in the development and construction of new equipment and systems, and maintenance, repair, replacement and basic design of control systems including, electronic, pneumatic, mechanical and electrical instrumentation employed in the operation of pump stations, water treatment plant and related systems, wastewater treatment plant and related systems within the Public Works Department. Instrumentation Technician I: This is the entry-level position in the series. Incumbents perform routine unskilled and semiskilled tasks in support of a variety of instrumentation functions, and assist other team members in assigned preventive maintenance, installations, and repairs of instrumentation equipment, facilities, and systems. This position requires some related experience and training in the maintenance and operation of instrumentation equipment and systems.

3 Page 3 of 10 Instrumentation Technician II: This is the journey-level position in the series. Incumbents independently perform the full range of skilled instrumentation work and may function as a team leader for designated work projects. Incumbents must be capable of performing all facets of preventive maintenance, installations, and repairs. This position also requires the ability to provide responsible and knowledgeable support in the maintenance and upkeep of specified instrumentation equipment and systems. Positions in this class are flexibly staffed and are normally filled by advancement from the entry level. Instrumentation Technician III: This classification represents the highest level in the series. Incumbents in this class are expected to perform their assigned tasks under limited supervision. Incumbents independently perform the most highly technical and specialized instrumentation maintenance and preventive maintenance activities, and also function as team leaders on assigned work projects. Incumbents perform project planning and design work, train subordinate employees in a variety of tasks, and may act as a resource in areas of expertise and work with other City departments, and outside contractors. Positions in this class are flexibly staffed and are normally filled by advancement from the Instrumentation Technician II. IV. Essential Functions: Essential functions include but are not limited to: Instrumentation Technician I: 1. Troubleshoot field signals (discrete IO and analog voltage/current signals) by checking the control loops with a multimeter. 2. Interpret process and instrumentation diagrams and use them to identify individual process components. 3. Identify a malfunctioning piece of equipment and repair or replace it. 4. Follow SOP instructions or OEM manual to calibrate and maintain any instrument. 5. Maintain pump and motor variable speed control panels. 6. Maintain plant and personnel safety sensory equipment including lower explosive limit, chlorine leak detectors, ammonia leak detectors and air quality monitoring equipment to ensure environmental regulatory compliance.

4 Page 4 of Perform corrective and preventive maintenance on process control alarm systems, transmitters, gages, and other instrumentation and control equipment. 8. Install, configure, maintain, and replace programmable logic controllers (PLC s), wiring and fiber optic cabling, and process databases and programs. 9. Install, maintain, configure, calibrate, inspect, test, modify, and repair instrumentation control, recording, metering, and alarm and telemetry systems. 10. Interpret control strategies and PLC programs to check hard wired and PLC program-based control permissives to diagnose process and equipment failures; recognize, identify, and correct problems with control and instrumentation equipment, and repair, replace, or make related recommendations. 11. Ensure optimization of process controls and instrumentation testing, reinstalling, reprogramming, upgrading, and performing necessary related research. 12. Calibrate, adjust, or diagnose malfunctions on alarm system loops, electronic devices and systems including strip charts, programmable controllers, SCADA systems, flow metering, ph, turbidity monitor equipment, tank level controllers, gas and liquid oxygen equipment, water filtration systems, emergency generation systems, cogeneration system, and other emergency control systems. 13. Install wiring and conduit for new projects; use a Computerized Maintenance Management System (CMMS) to plan, schedule, complete, and document maintenance activities. 14. Coordinate and assist the Plant Supervisor in the planning of instrumentation maintenance or projects or assignments. 15. Prepare documentation and reports and maintain logs and records related to work performed, supplies used, other instrumentation and control system conditions, and regulatory compliance. 16. Make recommendations regarding plant operating efficiency; perform routine maintenance in preserving and cleaning the instrument, control, and electrical shop. 17. Provide lead direction to subordinate personnel in the absence of a supervisor; may be assigned standby or call-out status as needed. 18. Responsible for adherence to the City s and Departmental organizational values.

5 Page 5 of Build and maintain positive working relationships with co-workers, other City employees, and the public using principles of good customer service. 20. Perform related duties as assigned. Instrumentation Technician II: In addition to the essential functions of the Instrumentation Technician I, essential functions include but are not limited to: 1. View PLC program in real-time to assist in troubleshooting process. 2. Adjust scaling factors within the SCADA tag-name database and PLC programs. 3. Program local HMIs. 4. Review technical submittals to ensure that contracted work meets city standards. 5. Program and tune VFD parameters Instrumentation Technician III: In addition to the essential functions of the Instrumentation Technicians I and II, essential functions include but are not limited to: 1. Design and build PLC and Motor control panels. 2. Convert existing PLC programs and SCADA screens to new platforms. 3. Write new PLC programs and build new SCADA screens. 4. Create standards to meet unique needs of city automation systems. V. Job Related and Essential Qualifications: Note: The required level and scope of the following knowledge and skills relate to the level of the position as defined in the class characteristics.

6 Page 6 of 10 Instrumentation Technician I: A. Knowledge of: Basic theories and principles, methods and equipment used in the installation, testing, repairing and modification of electronic equipment and control systems including solid state equipment and computer systems. Basic principles and practices of electronic equipment repair and maintenance. Basic use of hand tools and testing equipment used in repair and maintenance of electronic equipment. Basic safety practices. Basic use of personal computer applications and software programs such as spreadsheets and word processors. B. Skill at: Learning the occupational hazards; safety standards and procedures; and appropriate safety precautions to protect self and others. Following oral and written directions, preparing reports and maintaining accurate records. Operating and maintaining tools and equipment in a safe and effective manner. Establishing and maintaining effective working relationships with those contacted in the course of the work. C. Ability to: Use standard and specialized electrical and electronic test equipment. Draw electrical sketches, blueprints, plans and wiring diagrams. Understand and interpret written and oral instruction. Communicate effectively both orally and in writing. Establish and maintain effective cooperative working relationships with City staff and departments and others contacted in the course of work. Accept the input of supervisors and co-workers as well as provide input and be a genuine team player. Recognize, prioritize and accomplish needed tasks. Promote a customer service focus in forging cooperative public relations. Provide technical support for SCADA/DCS systems in a client/server and thin client local and wide area network; implement and manage various SCADA technology systems. Identify with management and City goals and objectives and understand and support City priorities and needs.

7 Page 7 of 10 Instrumentation Technician II Additional Qualifications: A. Knowledge of: Basic hydraulics and pneumatic principles and applications. Department policies, procedures, and operations standards. Safe work practices at work facilities and construction sites. Control of Variable Frequency Drives (VFD s), Adjustable Speed Drives (ASD s), and Soft Starters. Installation, maintenance and programming of PLC s. Read and interpret recording devices; calibration equipment, electrical drawings, blueprints, plans and electronic equipment specifications. B. Skill at: Utilizing diagnostic and testing equipment, and interpreting results. Testing, diagnosing, repairing, and maintaining electrical equipment and systems. Interpreting technical information, schematics and engineering drawings. Locating, diagnosing, and adjusting defects in electrical systems and equipment. Coordinating multiple projects and meeting deadlines. Troubleshoot, inspect, and calibrate plant and safety sensor equipment. C. Ability to: Identify and define problems, collect and analyze pertinent data, and determine appropriate course of action within parameters of given alternatives. Design and sketch electrical systems, installations, modifications, and fabrications. Estimate the materials, supplies, labor and timeframes necessary to complete a new installation, repair or maintenance project. Access information and resources for system maintenance and repair procedures. Learn the use of basic business and technical computer software applications. Understand potential liability of personal actions and work behaviors. Recognize, prioritize and accomplish needed tasks. Accept the input of supervisors and co-workers as well as provide input, and be a genuine team player. Follow and communicate proper safety standards.

8 Page 8 of 10 Instrumentation Technician III Additional Qualifications: A. Knowledge of: Applicable statutes, rules, ordinances, codes, standards and regulations. Electrically operated valves, pumps, electrical motors, and related electronic control devices utilized in all City operations and facilities. Standard and accepted components and parts currently utilized in a variety of hydraulic and pneumatic equipment as well as the appropriate diagnostic methods and techniques for troubleshooting all types of electrical, hydraulic, and pneumatic systems. Additional resources available within the community and the industry. Standard and accepted principles and practices of digital and microprocessor theory, power distribution, motor and transformer theory, electrical theory, and solid state theory. Project management methods, techniques, and documentation requirements. Basic principles and practices of lead supervision, work oversight, and skills training. Reading and interpreting complex technical manuals, instructions, blueprints, sketches, and diagrams related to construction, installation, maintenance, repair, operation and installation of electrical and electronic equipment and instruments. Applying inspection methods and techniques to examine and evaluate the quality of work and materials, and to detect deviations from project specifications, and standard installation and maintenance practices. Reviewing and evaluating project technical data and documentation. Establishing effective working relationships with others. Using initiative and independent judgment. B. Ability to: Apply standard principles and practices of digital and microprocessor theory, power distribution, motor and transformer theory, electrical theory, and solid state theory. Use and program technical software for pump control systems, SCADA applications, and touch screen applications. Assign work projects and tasks, monitor work in progress, and successfully adhere to established timelines and schedules. Evaluate alternative solutions and develop and present recommendations.

9 Page 9 of 10 VI. Physical Demands/Qualifications: 1. Working conditions in the office are clean, well lit and free from extremes of temperature and humidity. 2. Working conditions in outside areas are subject to variations in temperature, and may include wind and rain, and other elements. 3. Requires ability to work safely out-of-doors in all weather. 4. Lifting and carrying equipment, supplies and materials alone frequently weighing up to 50lbs. 5. Stand, climb, bend and stoop. 6. Work on slippery and uneven surfaces. 7. Hearing capacity sufficient to understand conversations. 8. Samples of water and wastewater may contain contaminants and have an unpleasant odor. NOTE: Some accommodations may be made for some physical demands for otherwise qualified individuals who require and request such accommodations. VII. Non-Physical Demands/Qualifications: 1. Ability to work varying varying work schedules, weekend, holiday and alternate schedules may be scheduled as determined by the Department in addition to being called back to work as needed by the City. 2. Communicate information clearly and effectively on a number of different levels, both verbal and written. 3. Demonstrate a high level of integrity. 4. Operate under deadlines. 5. Be organized and capable of managing projects to schedule. 6. Possess a valid California driver s license.

10 Page 10 of 10 VIII. Environmental Conditions: Working conditions in the field are subject to extreme variations in temperatures, humidity, and can include high wind and rain. Incumbent may occasionally be required to work on slippery or uneven surfaces. IX. Other Duties and Requirements: This class description lists the major duties and requirements of the job and is not all-inclusive. Not all duties are necessarily performed by each incumbent. Incumbents may be expected to perform job-related duties other than those contained in this document and may be required to have specific job-related knowledge and skills.