Instrumentation Technician Ii

Lorton, Virginia
$54,421.54 - $90,701.94 Annually
May 27, 2023
Jun 10, 2023
Specialty Trades
Full Time
Job Announcement

Fairfax County’s Wastewater Management Program is a nationally recognized Utility of the Future and its wastewater treatment plant, the 67 million gallon per day Noman M. Cole Pollution Control Plant, is a multiple year NACWA Platinum Award winning facility. If you would like to join a creative, collaborative, innovative team doing meaningful work, then the Wastewater Treatment Division is the place for you.

  • Performs preventative and corrective maintenance on electronic, electrical, and mechanical systems and components associated with flow, level, and analytical measuring devices.
  • Calibrates, maintains, and repairs wastewater treatment plant instrumentation. * Assists Instrumentation Technician III in the installation, repairs, and programming of programmable logic controllers (PLC), digital valve networks and other complex process control systems.
  • Perform independent action to troubleshoots and repair the plant process control systems.
  • Responsible for the proper setting and operation of pressure, level, motion, and status switches that interlock to the process control systems.
  • Maintains the continuous emission monitoring system on the incinerator stacks.
  • Performs calibration and repair on sensor and alarm systems for oxygen, hydrogen sulfide, explosive gas (methane), and fire detection.
  • Utilizes electronic test equipment such as laptop computers, volt/ohm/ amp meters, digital manometers, and variety of specialty calibrators to verify the accuracy and proper operation of the plant equipment.
  • Keeps accurate records of calibrations and correction maintenance.

Position may be underfilled as an Instrumentation Technician I; the Underfill Requirements are stated below in the Employment Standards section.

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.)
  • Installs, maintains and repairs 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;
  • Troubleshoots atmospheric gas detectors and other instrumentation equipment;
  • Coordinates requests for electric and telephone service at metering sites;
  • Enters wastewater manholes and flow metering structures to install portable flow meters and ultrasonic transducers;
  • Maintains and ensures all calibration and measuring equipment is clean and functioning properly;
  • Investigates and analyzes equipment failures on multigenerational equipment via monitoring on laptops and visual inspections;
  • Performs on-going preventive and corrective maintenance on multigenerational equipment and corrects any malfunctions;
  • Installs new instrumentation when necessary and monitors via laptop;
  • Utilizes Supervisory Control and Data Acquisition systems to identify and troubleshoot plant operation problems;
  • Utilizes Computerized Maintenance Management system and/or Enterprise Asset Management system to monitor, create and close out work orders;
  • Maintains records on testing, calibration and repairs of all instruments;
  • May oversee work of Instrument Technician Is;
  • Utilizes Close Circuit Television (CCTV) to identify defects for wastewater collection and conveyance and stormwater systems;
  • Documents and reports CCTV data;
  • Troubleshoots, repairs and maintains CCTV electronic systems and equipment;
  • Cleans and replaces broken or defective parts;
  • Uses an Auto Ranging Digital Multi-meter to check, verify and diagnose all aspects of equipment;
  • 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.

Employment Standards

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

This vacancy may be underfilled at the level of Instrumentation Technician I (Grade S18, $47,271 - $78,785). The employment standards for the Instrumentation Technician I are: Any combination of education, experience and training equivalent to a high school diploma or GED issued by a state department of education; Or completion of a vocation course of an instrumentation/ technician/electronic or similar vocational and or apprenticeship program; plus one year of work experience related to the installation, maintenance and repair of industrial instrumentation or electronic, electrical equipment found in water or wastewater utilities. Click here to view the complete details and KSAs for the Instrumentation Technician I. Upon completion of an underfill agreement (which will require that the employee meet the employment standards stated above in addition to obtaining competencies defined by the hiring agency) the employee will be elevated to the level of Instrumentation Technician I. Underfill candidates must be able to meet the minimum qualifications of the Instrumentation Technician II within two years of the job announcement's closing date.

A valid driver's license.

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

  • Experience troubleshooting and repairing electrical control systems.
  • Experience problem solving or diagnosing on live low voltage circuit.
  • SCADA and PLC experience.
  • Experience working at a wastewater treatment plant.
  • Instrumentation or Electrical Journeyman license.
  • Certificate or Associates degree in related field.

Ability to lift 50 pounds. Climb ladders, work in confined spaces, work from elevated heights such as catwalks etc., and use respirators. All duties performed with or without reasonable accommodations.

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.


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