Think You Would Be A Good Fit For Our Team?

Harn R/O Systems, Inc. began its involvement in the reverse osmosis industry in 1972 as a general contractor installing other manufacturers’ equipment.  From hands-on experience we learned to design and manufacture equipment for reliability and ease of maintenance and operation. Our company is unique in that we are working in membrane facilities daily, assisting operators and owners in the operation, maintenance and service of their systems.  This gives us the experience and ability to design, build, and service systems that give the greatest value to their owners.

All our equipment is custom-designed for the specific application.  In this way the Owner is assured of getting the best and most efficient equipment possible.  Harn R/O Systems, Inc. is known throughout the membrane industry for its emphasis on quality and attention to detail.  We manufacture our equipment in-house in our 40,000 sq-ft facility in Venice, Florida, thereby controlling the quality and delivery.  We provide 24-hour a day, 365-day a year service and stock a wide variety of components and consumables associated with system operation and maintenance. Membrane treatment has been our only business since our formation and will continue to be our industry focus.


Open Positions:


Equipment Fabricator / Technician

Premier Manufacturer of Commercial Water Treatment / Reverse Osmosis Equipment with a 45-year history of growth is seeking career minded individuals willing to learn multiple skills.   Plumbing, electrical, welding, painting and/or other skills required to manufacture water treatment equipment preferred. We will train the right individuals.

Plant hours are Monday through Friday 8:00 am to 4:30 pm, overtime and travel out of town are required dependent upon production needs. The production facility is air conditioned.


  • Fabricate and assemble PVC pipe and fittings in accordance with production guidelines
  • Assemble Steel and Aluminum pipe and fittings in accordance with production guidelines
  • Fabricate and assemble structural fiberglass to complete frame assemblies
  • Run wiring and conduit for instrumentation and actuated valves
  • Pack and Crate completed systems and parts for shipment
  • Prepare items for shipping and storage
  • Stock inventory
  • Other shop duties as assigned
  • Assist senior technicians with installations and start up of completed systems, this will require out of town travel 


  • Positive attitude, excellent communication skills and the ability to work well in a team environment
  • Follow process, attention to detail, pride in the finished product
  • Ability to lift to 50 lbs
  • Willing to learn
  • Valid driver’s license
  • We are a drug free workplace and you will be required to pass a drug test


  • Paid time off – vacation and sick time
  • Paid Holidays
  • Health Insurance coverage including Dental and Eye policies. 100% of the employee premiums paid after 90 days of employment, and up to 50% of dependents. 
  • 401K / Profit sharing plan
  • Compensation is negotiable based upon experience


Apply Today

Please use the form below to submit your information and a member of our team will reach out to you.