1 Job Title: Instrumentation/Engineering Tech General Statement The Engineering technician assists with the installation, monitoring, maintaining, and documentation of Supervisory Control and Data Acquisition (SCADA), CMMS, and other software for the Commission under the supervision of the Engineering Director. The technician assists with the skilled electronic installation, maintenance, troubleshooting, and repairs of the instrumentation and control, electronic, pneumatic, security, motor control, and telemetry systems used to operate and monitor the water system. The technician is responsible for installing, maintaining, calibrating, troubleshooting, testing, and repairing a variety of data acquisition (SCADA), radio communications, and instrumentation and control equipment for water/wastewater collection and distribution systems. The technician installs, maintains, revises and repairs electrical, control and instrumentation equipment related to the wastewater treatment plant; to assist in the oversight of Supervisory Control and Data Acquisition (SCADA) computer systems, Programmable Logic Controllers (PLC), and maintenance software packages. The technician performs highly skilled electrical, electronic, and mechanical work required in designing, installing, testing, repairing, and maintaining a variety of in-plant metering equipment and remote controlled devices. The technician performs a wide variety of journey level work in the analysis, design, programming, testing, installation, integration, and maintenance of data processing systems; as well as operates computer equipment as required. The technician performs a variety of advanced technical duties related to operating, maintaining, installing, and troubleshooting instrumentation, process control, and SCADA systems for all of the City s water and wastewater treatment plants, distribution and collection systems, and water quality laboratory. Supervision Exercised None Essential Duties Specific job assignments may include some or all of the following: Assist in the installation, calibration, maintenance, and troubleshooting of electronic and electromechanical equipment to insure proper operation; assist in the troubleshooting
2 and repairing of control system and electrical power failures in plants, pump and lift station. Install, calibrate, maintain, troubleshoot, and repair electronic and electromechanical equipment to ensure proper operation; maintain and troubleshoot computerized process control equipment such as PLCs, RTUs, and SCADA system devices; troubleshoot control system and electrical power system failures in plants, lifts and pump stations; maintain awareness of new technology; work under the supervision of senior personnel; and perform additional duties as assigned. Assist in performing maintenance, repair, and calibration tasks on treatment plant electronic and electrical operating systems, instrumentation switch gear, and related equipment. Use logical troubleshooting to identify and locate problems. Repair and replace components as needed. Monitor process control systems using diagnostic software. Test new and repaired equipment to ensure proper functioning. Maintain and calibrate test equipment. Perform preventative maintenance, including development and implementation of 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, and other process elements. Maintain documentation and records for the department s SCADA system and instrumentation/control systems at the water and wastewater treatment plants (schematics, licenses, etc.). Perform regular technical programming of the SCADA system to provide programming and troubleshooting assistance as needed during special testing and operations. Confer with operators, mechanics, project engineers and supervisors regarding SCADA issues. Respond to and resolve internal customer complaints and issues; provide documentation as required by customers. Communicate in advance with affected staff on programming and related SCADA work. Prepare reports on technical issues as required. Develop, implement, and maintain procedures for documenting activities in instrumentation and control areas related to programming of RTUs and HMI software, field implementation of programming change, and process control improvements. Write basic PLC programming for the implementation of system modifications and process enhancements. Interpret, prepare, and verify control schematics, diagrams and prints. Provide technical assistance and guidance to staff and customers. Program control systems, instruments, and computer operated devices. Install, troubleshoot, modify, and implement computer hardware and software applications and components. Analyze and correct data communication and acquisition system problems. Design, install, test, repair, calibrate, and maintain complex electrical, electronic, and mechanical equipment such as meters, telemeters, integrators, tone control equipment, temperature control devices, fire alarm equipment, water quality analyzers, and remote controlling devices, including relays, rectifiers, and manometers. Perform tests on, and inspects the equipment listed above with the aid of various instruments such as the
3 voltmeter, oscilloscope, tone generator, and metameter timer. Take corrective action and make sketches and records for future reference. Coordinate installation, testing, and repair of communication circuits with I.T. Division and Qwest. Disassemble, repair, test, and reassemble defective equipment. Assembles and installs process control panels and field instrumentation. Read, understand, and perform minor modifications to existing PLC code. Download PLC programs to PLCs and RTUs. Troubleshoot problems with field instrumentation and PLC hardware including CPU, communications, and input/output modules. Assist in the instruction and training of lesser grade employees, and ensure the cleaning of equipment and work areas. Perform other duties as assigned. Knowledge, Skills and Abilities Knowledge of principles of computer systems, procedures, analysis, and design. Knowledge of use, capability, characteristics, and limitations of computers and related equipment. Knowledge of personal computers and related software packages, database design and implementation techniques. Knowledge of programming languages, computer logic, query/analysis tools and mathematics. AS/400, RPG, Lotus Notes, Oracle, Visual Basic, PC applications and local area network are highly desirable. OPC Server and MODBUS Protocol for SCADA applications. IP and networking in a Windows environment. 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 water/wastewater distribution and collection systems principles and applications. Knowledge of SCADA systems, process controls, programmable controllers, and related computers; knowledge of the development of control strategies and process and instrumentation diagrams, communication standards and networking interfaces from PLC s to SCADA networks. Considerable 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. Knowledge of electrical and electronic theory and practice. Knowledge of computer systems and basic computer operations. Skilled in the use of power and hand tools and measuring instruments, such as volt ohmmeter, oscilloscope, tone test meter, simulator, transistor and capacitor checkers, phone handsets, frequency generator, and similar instruments. Skill in using HMI graphic packages over LAN and WAN based SCADA network. Experience with Microsoft Office applications, Crystal Reports, and CMMSs is desirable.
4 Skill in troubleshooting, calibrating, and repairing process controls, SCADA and low voltage equipment. Experience in MS Office applications, Crystal Reports and DMMSs is desirable. Skill in using HMI graphic packages over LAN and WAN based SCADA network. Ability to work effectively with computer system users, department staff, third-party software providers, staff at other cities for multi-city applications and contractors for specific projects. Ability to analyze data, solve problems and develop logical solutions. Provide technical training and assistance to other programming personnel. Read, interpret, and apply complex technical publications. Assist in data processing systems and procedures analyses and feasibility studies. Ability to diagnose electronic malfunctions and defects and determine parts, adjustments, and repairs necessary for proper operation. Ability to read, understand, and apply service manual instructions and electrical schematics. Ability to communicate effectively both orally and in writing. Ability to establish and maintain effective working relationships with City employees, consultants and citizens; communicate effectively both orally and in writing; read and understand blueprints, plans, schematics and specifications; establish and fulfill goals and objectives; organize and prioritize work; meet deadlines; and communicate complex or technical computer concepts and terms to non-computer oriented employees and managers. Ability to work standby on a rotating basis and/or callback duty. Standby duty requires a 30 minute response time to normal place of work. Ability to establish and maintain effective working relationships with other employees and citizens; read P & ID and electrical drawings, schematics and blueprints and work quickly and safely under pressure of emergency situations. Ability to work standby on a rotating Education Requirement Related technical coursework or Associates in Electronics or Instrumentation preferred. Any combination of experience and education equivalent (2-4 years) to an Associate s Degree from an accredited college with major coursework in computer science or a closely related field. Graduation from high school, supplemented with one year s vocational/specialized training in electronics. Associate's degree in computer science, computer information systems or related field. Associate s degree in electronics, instrumentation or a closely related field. Experience Requirement
5 Minimum of two years experience in automated instrumentation and control systems and/or maintenance and repair of industrial process control instrumentation. Experience with Emerson/Bristol Babcock 33XX RTUs, Emerson/Bristol Babcock ControlWave RTUs and Iconics Genesis32 preferred. Experience with water or wastewater treatment SCADA systems. Two to four years of experience, including one year of systems analysis and design. One to three years of relevant experience with Programmable Logic Control programming and complex instrumentation and control systems. Two years of experience in the maintenance and repair of industrial process control instrumentation, or any equivalent combination of education and experience. At least one year instrumentation technician experience including repair and troubleshooting of electronic process control equipment and motor control centers. Four years experience in the installation, repair, and maintenance of electronic and related equipment. License, Certificate or Credentials Commercial driver s license. Valid NJ driver s license and acceptable motor vehicle record. Require certification as a 'Certified Controls System Technician' (CCST) Level I by ISA or equivalent within 18 months of employment. Other Requirements Occasionally exposed to moderately unpleasant and hazardous working conditions. Must work nights, weekends, and holidays as directed and perform on-call duty. Must perform safety sensitive functions. Ability to complete and update First Aid and CPR Training and certification on an annual basis. Physical Requirements and Working Conditions Moderate physical work requiring ability to lift and carry objects weighing up to 50 pounds; 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 vehicle to travel to remote sites; vision to read manuals, test
6 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. Exerting up to 50 pounds of force occasionally, and/or up to 20 pounds of force frequently, and/or up to 10 pounds of force constantly to move objects. Positions in this class typically require climbing, balancing, stooping, kneeling, crouching, reaching, standing, walking, pushing, pulling, lifting, fingering, grasping, talking, hearing, seeing, and repetitive motions. Frequent light lifting and carrying up to 15 pounds, pulling, pushing, reaching, walking, standing, and bending/stooping. Occasional sitting, climbing, twisting, kneeling, squatting, and driving to other facilities. Work Environment Work will occur both indoors and outdoors in all weather conditions with exposure to noise, dust and fumes; exposure to high/low voltage electrical equipment. Technicians may be subjected to moving mechanical parts, electrical currents, vibrations, fumes, odors, dusts, gases, poor ventilation, chemicals, oils, extreme temperatures, work space restrictions, and intense noises. Equipment Used Motor vehicles, computers, and peripherals.