Instrumentation Technician II

Salary : $60,894.29 - $106,565.06 Annually
Location : WASTEWATER TREATMENT DIV, 9399 RICHMOND HWY, LORTON (JP04), VA
Job Type: FT Hourly W BN
Job Number: 26-01707
Department: DPWES Wastewater Management
Opening Date: 11/14/2026
Closing Date: 11/27/2026 1:59 PM Eastern
Pay Grade: S21
Posting Type: Open to General Public

Job Announcement

$2,500 Signing Bonus*

Responsibilities include:

• 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 troubleshoot 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 a variety of specialty calibrators to verify the accuracy and proper operation of the plant equipment.
• Keeps accurate records of calibrations and correction maintenance.
• Uses a laptop computer for troubleshooting, and researching technical information related to field installations.
• Documents work completed in a computer-based work order system.
• Performs other duties as required.

Note: Position works in the DPWES, Wastewater Treatment Division, located at 9399 Richmond Hwy. Lorton, Virginia..

*A $2,500 signing bonus is available to new county employees hired in the Instrumentation Technician II position.
Employment Standards

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 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.
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, driving record check, and a pre-employment physical examination to the satisfaction of the employer.

Subject to 24 hour call back and must, therefore, be able to work emergency overtime. Subject to working in adverse weather conditions and may be exposed to raw waste or environments generating methane gas. Ability to distinguish different color wiring.

PREFERRED QUALIFICATIONS:

• Associate degree in instrumentation/electrical/electronic technology or related field.
• Journeyman's license in Instrumentation, Electrical, and or ISA certification.
• Two years of experience working in an industrial wastewater environment.
• Two years of experience troubleshooting and repairing electrical & instrumentation control systems.
• One year of experience performing SCADA and PLC troubleshooting and/or programming.
• One year of experience reading instrumentation data, interpreting schematics, circuit diagrams, and manuals related to Instrumentation.

PHYSICAL REQUIREMENTS:
Ability to bend, stoop, crawl and work in tiring and uncomfortable positions. Ability to climb up to 35 ft., on ladders and scaffolding. Ability to discern color. Ability to input, access, and retrieve information from a computer. Ability to stoop, bend, reach, squat, and kneel. Work requires performing tasks in an environment in which raw waste is present. Ability to lift, carry, and handle items weighing up to 50 lbs. All duties performed with or without reasonable accommodations.

SELECTION PROCEDURE:
Panel interview and may include exercise.
Fairfax County is home to a highly diverse population, with a significant number of residents speaking languages other than English at home (including ) We encourage candidates who are bilingual in English and another language to apply for this opportunity.

BONUS ELIGIBILITY:
Positions within this classification that are general merit may be eligible for a one-time hiring incentive bonus for new county employees only. This bonus program requires a signed payback agreement between the department and employee.

#LI-NW1
Merit Positions

Fairfax County is proud to offer employees an attractive and comprehensive benefits program, including the following:

• Medical/Vision/Dental Insurance Coverage
• Group Term Life Insurance
• Long Term Disability
• LiveWell Program
• Flexible Spending Programs
• Paid Leave (annual, sick, parental, volunteer activity, and more!)
• Paid Holidays
• Deferred Compensation
• Employee Assistance Program
• Employees' Child Care Center
• Continuous Learning Opportunities

Please click for a summary of our benefits.

NOTE: Fairfax County Government is a qualifying employer under the Public Service Loan Forgiveness program. For more information about the PSLF program:

For additional details please visit the
Non-Merit Positions

1. Non-Merit Benefit Eligible: scheduled to work a minimum 1,040 hours and no more than a maximum of 1,560 hours in a calendar year.
   • Medical/Vision/Dental Insurance Coverage
   • Flexible Spending Program
   • Deferred Compensation
2. Temporary: scheduled to work a maximum of 900 hours in a calendar year.
   • No benefits

01

What is the highest level of education that you have completed?

• Less than 12th grade
• High school diploma or GED
• Some college
• Associate's degree
• Bachelor's degree
• Master's degree
• Doctorate degree

02

If you answered "Some college" for the highest level of education completed, please indicate the number of quarter or semester hours you have completed towards a related degree.

• Less than 45 quarter hours
• 45 to less than 90 quarter hours
• 90 to less than 135 quarter hours
• 135 to less than 180 quarter hours
• 180 or more quarter hours
• Less than 30 semester hours
• 30 to less than 60 semester hours
• 60 to less than 90 semester hours
• 90 to less than 120 semester hours
• 120 or more semester hours
• Not applicable

03

Please indicate the major(s) or minor(s) for your completed degree(s). Check all that apply.

• Instrumentation technology
• Electrical engineering
• Electronic technology
• Other (related field)
• Other (non-related field)
• Not applicable

04

If you answered "Other (related field)" or "Other (non-related field)" for the previous question, please list the discipline of your degree. If this question does not pertain to you or you do not possess a degree, enter "N/A".
05

Have you successfully completed a vocation course in electronics?

• Yes
• No

06

How many years of full-time equivalent work experience related to the installation, maintenance and repair of industrial instrumentation or electronic, electrical equipment found in water or wastewater utilities do you possess?

• None
• Less than one year
• One to less than two years
• Two to less than three years
• Three to less than four years
• Four years or more

07

Do you currently possess a valid driver's license?

• Yes
• No

08

How many years of experience do you possess as an Instrumentation Technician?

• None
• Less than one year
• One to less than two years
• Two to less than three years
• Three to less than four years
• Four years or more

09

How many years of full-time equivalent experience working in an industrial wastewater treatment plant do you possess?

• None
• Less than one year
• One to less than two years
• Two to less than three years
• Three to less than four years
• Four to less than five years
• Five or more years

10

Do you possess a Journeyman's license in Instrumentation, Electrical or ISA certification?

• Yes
• No

11

How many years of full-time equivalent experience performing SCADA and PLC troubleshooting and/or programming do you possess?

• None
• Less than one year
• One to less than two years
• Two to less than three years
• Three to less than four years
• Four to less than five years
• Five or more years

12

How many years of full-time equivalent experience do you have reading instrumentation data and interpreting schematics, circuit diagrams, and instrumentation manuals?

• None
• Less than one year
• One to less than two years
• Two to less than three years
• Three to less than four years
• Four to less than five years
• Five or more years

13

This position requires the incumbent to work flexible hours including Overtime, on call and Callback duties as necessary to accomplish tasks and deadlines. Are you able and willing to work flexible hours?

• Yes
• No

Required Question