Laboratory Field Technician I
Company: Fairfax Water
Location: Herndon
Posted on: March 17, 2026
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Job Description:
Under close supervision of the Laboratory Supervisor(s),
performs routine field sampling and analysis of water from various
sources to assure that drinking water meets regulatory
requirements. Performs general laboratory maintenance activities. *
Performs routine field sampling and analysis of water by: *
Obtaining water samples from natural sources (rivers, streams and
reservoirs), drinking water sources (consumers, sample stations,
water mains and tanks), and various stages during and after the
treatment process. Analyzing water samples for pH, chlorine,
turbidity, dissolved oxygen and other tests using approved methods
such as Standard Methods for the Examination of Water and
Wastewater . * Collecting water samples at tanks, distribution
sites and water treatment plants and performing field tests to
comply with the Total Coliform Rule. * Transporting collected
samples between treatment plant facilities. * Performing system
monitoring to include chlorine analysis at fire hydrants, tanks and
other locations. * Assisting with c sampling at water treatment
plants for chemical analysis. * Assisting with special project
sample collection. * Maintaining and assuring field and laboratory
records are accurate, legible, and on time. * Entering field
analysis results into a hand-held data terminal, downloading data
into a Laboratory Information Management System, and verifying
sampling data. * Complying with Fairfax Water and Laboratory
policies and procedures. * Performs general laboratory maintenance
activities by: * Assisting in the preparation of sample collection
containers and coolers according to computerized chain of custody
records. * Cleaning and acid washing glassware and other equipment
required for sampling and laboratory operations. * Maintaining and
restocking chemical supplies required for field and laboratory
operations. * Collect customer samples to assess water
quality-related concerns. * Performs other duties as assigned or
required. * Two-year science degree or any equivalent combination
of education, experience and knowledge. * Knowledge of general
sampling techniques. * Novice level of computer knowledge (some
experience with Microsoft Word and Excel). * Knowledge of the
operation and care of standard field testing equipment such as pH
meters, photometers and other related apparatus. * Ability to
accurately perform basic field tests required for a water utility.
* Ability to perform work in a safe and timely manner. * Ability to
follow verbal and written instructions. * Ability to perform basic
mathematical operations such as percentages, ratios, proportions
and conversions. * Ability to operate communication systems (e.g.
portable radios, cell phones, etc.). * Ability to work effectively
with co-workers and to deal tactfully and courteously with the
public. * Possession of a valid driver's license and good driving
record. * Available for assignments at both Fairfax Water treatment
plant facilities. * Ability to work overtime as required. *
Available to work periodic rotating Standby shift. * Must pass a
controlled substance (drug) test for employment * Ability to lift
coolers weighing approximately 25 pounds. * Ability to distinguish
colors and odors associated with laboratory testing and analysis. *
Manual dexterity that is necessary in handling laboratory and field
equipment. * Ability to operate, or learn to operate an outboard
engine-powered sampling boat. * Ability to operate a motor vehicle
safely. * Ability to swim. * Ability to handle known toxic
chemicals, taking all necessary precautions to prevent undue
exposure to self, fellow workers and the environment. * Ability to
safely climb elevated storage tanks. Compensation details:
54016.77-73348.5 Yearly Salary PIa92a297d735b-29400-39919483
Keywords: Fairfax Water, Montgomery Village , Laboratory Field Technician I, Science, Research & Development , Herndon, Maryland
