Instrumentation Technician III

Performs preventive and corrective maintenance on electronic, electrical and mechanical components at a 67-MGD Wastewater Treatment plant. Troubleshoots the repairs and programming of Programmable Logic Controls (PLC's), Supervisory Control Data Acquisitions (SCADA) systems and associated equipment used in automated process control. Installs, calibrates, troubleshoots and repairs instrumentation such as flow level and analytical transmitters; provides assistance to the instrumentation supervisor in coordinating the daily work activities and technical assessment of equipment and component failure. Also performs other related duties as required; utilize personal computers for online time and attendance, creating and processing work orders and requisitioning parts and materials.

Note: Subject to 24-hour call back and must therefore be able to work emergency overtime.

Illustrative Duties

(The illustrative duties listed in this specification are representative of the class but are not an all- inclusive list. A complete list of position duties and unique physical requirements can be found in the position description.)

• Performs lead work in the installation, maintenance and repair of instrumentation and electronic equipment used in a wastewater treatment plant, pumping/flow metering stations, atmospheric testing, or air monitoring devices used on emergency response vehicles, precipitation gauges, remote data logging hardware and telemetry for automated data collection, central processing and reporting;
• Monitors all instrumentation and identifies problems;
• Investigates and analyzes equipment failures on multigenerational equipment via monitoring on laptops and visual inspections and corrects any malfunctions;
• Utilizes Computerized Maintenance Management system and/or Enterprise Asset Management system to monitor, create and close out work orders;
• Utilizes Supervisory Control and Data Acquisition systems to identify, troubleshoot and prioritize plant operation or pumping flow metering stations preventative and corrective maintenance problems;
• Performs ongoing preventative, corrective and predictive maintenance for Supervisory Control and Data Acquisition systems (SCADA);
• Installs new instrumentation, tests to ensure specifications are met and monitors via laptop;
• Troubleshoots and calibrates SCADA instruments and meters and keeps them clean;
• Maintains records on parts inventory and on testing, hours, calibration and repairs of all instruments;
• Leads and provides daily training of the less experienced instrument technicians;
• Provides input to Supervisor for performance appraisals;
• Effectively communicates with customers, employees and supervisors;
• Engages in safe working practices and complies with safety programs and guidelines;
• Reports and monitors unsafe working conditions;
• Complies with safety competencies.

Required Knowledge Skills and Abilities

(The knowledge, skills and abilities listed in this specification are representative of the class but are not an all- inclusive list.)

• Thorough knowledge of electronics theory and of the methods and practices of electronic equipment repair;
• Thorough knowledge of the functioning and maintenance of process control instrumentation and electronic equipment;
• Thorough knowledge of Supervisory Control and Data Acquisition systems (SCADA), Computerized Maintenance Systems (CMMS) and Enterprise Asset Management systems (EAM);
• Thorough knowledge of supply policies and procedures;
• Knowledge of safe work practices as they relate to wastewater instrumentation work;
• Ability to locate and correct defects in electronic and instrumentation devices;
• Ability to program, manage and utilize SCADA and related software;
• Ability to understand and follow oral and written instructions and work from circuit diagrams and manufacturer's manuals;
• Ability to distinguish different color wiring;
• Ability to read and interpret schematics, circuit diagrams, and manuals;
• Ability to comprehend and comply to safety practices;
• Ability to work in confined spaces;
• Ability to comprehend confined space training;
• Ability to maintain effective relationships with customers, employees and supervisors;
• Ability to lead the work of trainee and journeyman instrumentation technicians.

MINIMUM QUALIFICATIONS:

Any combination of education, training, and experience equivalent to graduation from high school, or a GED issued by a state department of education; completion of a vocation course in electronics, and five years of work experience related to the installation, maintenance and repair of industrial instrumentation or electronic/electrical equipment found in water or wastewater utilities.

CERTIFICATES AND LICENSES REQUIRED:

A valid driver's license.

NECESSARY SPECIAL REQUIREMENTS:

The appointee to this position will be required to complete a criminal background check, a pre-employment physical examination, and driving record check to the satisfaction of the employer.

All newly hired employees are required to be fully vaccinated against COVID-19 (two weeks after the last required dose) as a condition of employment or obtain approval of a medical or religious exemption prior to their start date. Proof of an exemption or vaccination status will be required during the pre-employment onboarding process. New employees who obtain an exemption from the vaccine mandate for medical or sincerely held religious beliefs may be subject to a weekly testing requirement. Vaccinated employees and employees with a medical or religious exemption will complete the attestation online on their first day of employment or shortly thereafter.

PREFERRED QUALIFICATIONS:

Minimum of three years experience industrial instrumentation technician or various levels of certification issued by Instrument Society Association (ISA) or equivalent.

PHYSICAL REQUIREMENTS:

Lift 50 pounds. Climb ladders, work in confined spaces. All duties performed with or without reasonable accommodations.

SELECTION PROCEDURE:

Panel interview and may include exercise.

The population of Fairfax County is very diverse where 39.8% of residents speak a language other than English at home (Spanish, Asian/Pacific Islander, Indo-European, and others) and we encourage candidates bilingual in English and a foreign language to apply to this opportunity.

Fairfax County Government prohibits discrimination on the basis of race, color, religion, national origin, sex, pregnancy, childbirth or related medical conditions, age, marital status, disability, sexual orientation, gender identity, genetics, political affiliation, or military status in the recruitment, selection, and hiring of its workforce.

Reasonable accommodations are available to persons with disabilities during application and/or interview processes per the Americans with Disabilities Act. Contact 703-324-4900 for assistance. TTY 703-222-7314. EEO/AA/TTY.

Fairfax County was home to many of America’s earliest statesmen, including George Washington of Mount Vernon and George Mason of Gunston Hall. It is one of the premier centers of technology in the United States. Located just west of the nation’s capital, Fairfax County is the most populous jurisdiction in the Commonwealth of Virginia. It has a large, diverse and dynamic economy, and is home for eight Fortune 500 companies, more than 400 international owned firms, and the largest concentration of technology jobs of any major U.S. market. Minority-, women-, and veteran-owned businesses make significant contributions to the economy and add diversity to the business community.

The County offers residents an excellent environment in which to raise and educate their children. The Fairfax County Public School System and area private schools offer parents numerous education options. Fairfax County is also a leader in higher education, where five major colleges and universities, including the main campus of George Mason University, are located. Northern Virginia Community College – the largest community college in the Commonwealth of Virginia – has two campuses in Fairfax County. The community has a wealth of cultural and recreational resources that provide abundant opportunities for children to learn and grow.