• Skip to primary navigation
  • Skip to main content
  • Skip to footer

Side Hustles

Side Hustles

Side Hustles For All

  • Best Side Hustles
    • Woman sitting on a pile of coins and working on a laptop surrounded by icons representing different side hustle ideas

      31 Best Side Hustles to Earn Extra Money in 2026

    • Bicycle courier delivering food for their side hustle.

      What Is a Side Hustle?

    • Remote worker sitting at his desk making money from home

      18 Ways to Make Money from Home (Online and Offline Jobs)

    • By Category
      • Arts & Crafts
      • Business Services
      • Caregiving
      • Creative Services
      • Digital Freelance Services
      • View All
    • By Lifestyle
      • I’m introverted
      • I’m a man
      • I’m a woman
      • I’m a stay-at-home mom
      • I’m unique
      • View All
    • By Profession
      • Artists & Creatives
      • Musicians
      • Nurses
      • Physicians
      • Teachers
      • View All
    • By Age Group
      • College Students
      • Teens
      • Age 50+
      • Seniors
      • View All
    • By Skills & Interests
      • Get Paid to Lose Weight
      • Get Paid to Play Games
      • Get Paid to Read
      • Get Paid to Sleep
      • Get Paid to Travel
      • View All
  • Best Gig Apps
    • Freelance worker popping out of a phone screen and considering gig apps on the App Store and Google Play

      Top 6 Gig Apps to Make Real Cash in 2026

    • Smartphone surrounded by the icons of different money-making apps

      Top 10 Best Money-Making Apps to Try in 2026

    • two teenagers using job apps on a phone and laptop

      19 Job Apps for Teens to Find Jobs and Make Money

    • By Gig Type
      • Cashback
      • Data Entry
      • Delivery
      • Games
      • Product Testing
      • View All
    • By Payment Method
      • Bingo Games that Pay to Cash App
      • Games that Pay Real Money
      • Games that Pay to Cash App
      • Games that Pay via PayPal
      • Surveys that Pay to Cash App
      • View All
    • By Benefits
      • $20 Signup Bonuses
      • $25 Signup Bonuses
      • $50 Signup Bonuses
      • Best Signup Bonuses
      • Instant Signup Bonuses
      • View All
    • By Skills & Interests
      • Driving
      • Losing Weight
      • Playing Games
      • Product Testing
      • Watching Ads
      • View All
  • Job Hunting
    • Freelance worker browsing a job post on a freelance job board.

      23 Job Boards You Can Use to Find Remote Work

    • Freelance writer sitting at her laptop working on a project

      15 Best Remote Jobs That Require No Paid Work Experience

    • Teenager sitting at laptop working an online job

      14 Online Jobs for Teens (With No Experience)

    • Freelancing
      • Freelance Writing Sites
      • Freelance Writing Job Boards
      • Freelance Writing Platforms
      • View More
    • Gig & Shift Work
      • Gig Work Apps
      • On-Demand Work Apps
      • Shift Work Apps
      • View More
    • GPT (Get Paid To)
      • Microtasking
      • Product Testing
      • Survey Taking
      • View More
    • Remote Working
      • Best Remote Job Boards
      • Top 15 Remote Jobs
      • View More
  • Job Board
    • Work Schedule
      • Part-Time Jobs
      • Per-Diem Jobs
      • Go Search
    • Work Environment
      • Hybrid Jobs
      • Remote Jobs
      • Go Search
    • Employment Type
      • Contractor Jobs
      • Internship Jobs
      • Temporary Jobs
      • Go Search
    • Job Title
      • Accounting Jobs
      • Data Entry Jobs
      • Nursing Jobs
      • Online Teaching Jobs
      • Software Engineer Jobs
      • Go Search
    • State
      • California Jobs
      • Florida Jobs
      • New York Jobs
      • Pennsylvania Jobs
      • Texas Jobs
      • Go Search
    • City
      • Chicago, IL
      • Houston, TX
      • Los Angeles, CA
      • New York City, NY
      • Phoenix, AZ
      • Go Search

Home Flexible Job Board Water Treatment Sales Support Service Technician

$65,000–75,000/yr 50d ago

Water Treatment Sales Support Service Technician

Boost your chances before you apply.

  • ✨ Apply 10x Faster Free

    It takes 30+ tailored applications to land jobs like this one. We'll help you get that done in 1 hour.

    No Credit Card Required

  • Proceed to Application Go directly to the company's job page to apply.
Logo

Garratt Callahan Co

Reno, NV, US

Full-time Permanent Remote

✨ Apply 10x Faster

Analyze your resume for missing keywords, then one-click optimize it. Don't be anything less than a 100% match candidate.

Free

No Credit Card Required

Summary

The technician will perform on-site water chemistry testing and manage the chemical cleaning and flushing of cooling loops for data centers and other industrial facilities. They are also responsible for maintaining equipment, managing chemical inventory, and coordinating with mechanical contractors to ensure project specifications are met.

Job Description

 

2025 was a Record Sales Year. Our Largest Sales Growth in Decades. 2026 is trending to be even better.

 

Water Treatment Sales Support Service Technician—Reno, Nevada

Garratt-Callahan (www.garrattcallahan.com) is family friendly, profitable, stable, and fiercely private. No layoffs in 120 years. No ownership changes in 120 years. Haven't changed our commission plan in 30 years. 80 straight years of profitability. We have operations in every state in the USA.

Technical Sales Support Service Technicians are responsible for maintaining the existing customer base in Reno and the Northern Nevada region, and for performing water treatment tests at the existing customers. With the freedom of working from your home, you can work and train in a territory alongside veteran Territory Managers. The best place to live is in or very near Reno.

The career track for a Technical Sales Support/Service Technician is to train to become a Territory Manager. Territory Managers are eligible for unlimited commission and a year-end bonus.

As a Technical Sales Support/Service Technician, you will receive an industry competitive salary, expenses, benefits, and a $675 per month car allowance. In addition, ample technical support is provided along with continuous training. Paperwork is kept to a minimum. Compensation is based upon experience and the ability to succeed. $65,000 to $75,000 first year base for a qualified candidate.

We hire with a focus that favors the committed employee both in terms of overall compensation and growth opportunities. We have designed our compensation package accordingly. Benefits include a corporate 401k, health, dental, vision, and life insurance.

About Garratt-Callahan:

Garratt-Callahan is a US based private 120-year-old, nationwide water treatment chemical company. Garratt-Callahan www.garrattcallahan.com treats industrial boilers and cooling towers to keep them energy efficient and environmentally friendly with one of the most advanced product lines in the industry. We are registered to ISO 9001:2015 and sell an industry leading line of “green" solutions, G-C GreenTech. We are headquartered in Burlingame, California.

G-C is family owned, profitable, and expanding. We have five chemical plants in the USA, technical salespeople in every state, and the Caribbean.

Benefits:

  • We offer a competitive benefit package which includes medical, dental, vision, AD&D, LT, and 401k. A monthly car allowance and travel expenses are provided.
  • First year compensation is $65,000 to $75,000 depending on experience.
  • Advanced training, and a clear career path.
  • Family friendly, flexible hours.
  • A huge benefit of working for Garratt-Callahan is our stability and low turnover.
  • No Layoffs in our 120-year history
  • G-C is a profitable company. The last year that G-C did not turn a profit was during World War 2.
  • 2025 was a record sales year, and 2026 sales are trending to be at record levels.

Role: 

Oversee the chemical cleaning, passivation, and flushing of primary cooling loops during the construction phase of large-scale data centers. Perform on-site technical lead role, coordinating with mechanical contractors to ensure water chemistry meets stringent, time-sensitive specifications and managing the logistics and documentation for each project in a Google document workflow (Google Workspace).

Perform service at other customers such as Mining, Health Care, Commercial Properties and Gaming.

Technical & Field Operations 

● System Flushing & Cleaning: Lead the chemical cleaning and "pre-operational" flushing of closed-loop chilled water systems.

● Water Analysis: Perform on-site water chemistry testing (e.g., pH, conductivity, iron levels, azole concentrations) to verify system readiness.

● Mechanical Contractor Assistance: Work side-by-side with mechanical contractors to manage roadblocks, pump setups, dose chemistry, and filtration.

● Equipment Maintenance: Ensure all chemical feed equipment and monitoring controllers are properly installed and calibrated.

● Service Existing Datacenters: Perform service by checking residuals, swapping out filtrations, and dosing any necessary chemicals. Write a service report at the end of each service.

Project Management & Logistics Duties 

● Inventory & Ordering: Forecast chemical volumes required for system volumes and place timely orders to avoid site delays.

● Join weekly project meetings

● Logistics Oversight: Track shipments and coordinate the delivery of bulk chemicals or IBC totes to active construction sites.

● Documentation: Maintain precise "Daily Field Reports" and final documentation for the client (Owner's Rep) and/or mechanical contractors.

● Schedule Management: Align chemical treatment phases with the mechanical construction schedule to ensure on-time commissioning and product delivery.

 

Must Have Requirements: 


 
● One-year technical sales, or an internship related to water treatment chemicals is preferred, but we are willing to train and mentor. Outside industrial sales experience is a plus. You must live in the greater Reno area and be familiar with the industrial marketplace of Northern Nevada.

● Water Chemistry Basics: Proficiency in performing and documenting field water analysis (e.g., glycol %, pH, conductivity, iron, phosphate, and inhibitor levels)

● Communication Skills: Able to professionally interface with Clients, Mechanical Contractors, and General Contractors to drive the flushing schedule.

Not Required, but Nice to Have Requirements:

  • Technical Literacy: Ability to read and interpret P&IDs (Piping and Instrumentation Diagrams) and mechanical blueprints to identify isolation valves, bypasses, and system volumes.
  • Project Coordination: Experience or ability to manage project timelines, including the logistics of ordering chemicals and coordinating deliveries with freight carriers and Garratt-Callahan Orderdesk / Commodity Manager
  • Direct experience: Chemical cleaning of closed-loop HVAC systems
  • Industrial water Experience: Minimum 2–3 years of experience in industrial water treatment
  • Mechanical Contractor Experience: commissioning or chemical cleaning of closed-loop HVAC systems
  • Math Proficiency: Strong ability to perform volume calculations and chemical dosage rates (e.g., calculating the amount of cleaner needed for a 50,000-gallon loop). Basic ratios.
  • Data Center Experience: Previous experience working on Hyperscale or Enterprise data center build-outs (e.g., AWS, Meta, Google, or Microsoft sites).
  • Safety Certifications: Current OSHA 10 or OSHA 30 Construction Safety certification.
  • Equipment Expertise: Experience installing and programming water treatment controllers (e.g., Walchem, Advantage, Google Workspace, WebMaster).
  • Industry Credentials: Association of Water Technologies (AWT) certifications or a Certified Water Technologist (CWT) designation.
  • Logistics Experience: Experience using inventory management software or specialized ERP systems to track orders and shipments.
  • HVAC Cleaning Equipment Experience: Familiarity with high-flow filtration skids and temporary bypass pumping setups.

To Apply, please log on to:

https://workforcenow.adp.com/mascsr/default/mdf/recruitment/recruitment.html?cid=16ed56fa-3af7-47fc-878a-c4d47df49e2f&ccId=19000101_000001&jobId=570530&source=CC2&lang=en_US

 Thank you for considering Garratt-Callahan Company. Garratt-Callahan is an EEO/AAE employer. Minorities, women, veterans and individuals with disabilities are encouraged to apply.

Garratt-Callahan does not sponsor work visas. No recruiters please.

If you have a disability, and need assistance during the application and selection process as a result, please contact the Garratt-Callahan Human Resources department at 650.697.5811. Arrangements can be made to provide an accommodation in order to assist you in applying for an open position using our on-line system, completing any other related paperwork, interviewing, or any other portion of the employment process.

When requesting an accommodation, please provide your name, phone, email address, or any other means of contacting you. Provide a brief description of the nature of the requested accommodation. A member of the Human Resources team will then contact you to discuss your request. A request for an accommodation will not affect your opportunities for employment with Garratt-Callahan.

Garratt-Callahan values differing experiences, backgrounds and perspectives among our employees, and see them as a competitive advantage. Garratt-Callahan is committed to the fair and equal treatment of all associates and applicants.

Garratt-Callahan is an equal opportunity employer that evaluates qualified applicants without regard to race, color, national origin, religion, sex, age, marital status, disability, veteran status, sexual orientation, gender identity, or any other characteristic protected by law.

  • The “Equal Employment Opportunity is the Law” poster is available at:
    http://www.dol.gov/ofccp/regs/compliance/posters/pdf/eeopost.pdf
  • Garratt-Callahan Company’s reaffirmation of Equal Employment/Affirmative Action Statement
    http://www.g-c.com/documents/human_resources/EEO_Letter_Jeff_Garratt.pdf

Key Words: Chemistry, chemicals, scientific, science, salesperson, salesman, saleswoman, outside sales, technical sales, account representative, account executive, territory sales, territory manager, district sales, district manager, field engineer, field service, AE, sales engineer, data center, chemical engineer, chemist, mechanical engineer, biologist, biology, microbiology, nalco, ecolab, us water, Suez, ge water, chemtreat, industrial water engineering, solenis, chem-aqua, kurita, evoqua, fremont, water treatment, boilers, cooling towers, waste water, pumps, equipment, chillers, polymers, biocides, Reno, Sparks, Carson City, Fallon, Fernley, Northern Nevada

About the company

Garratt Callahan Co

Garratt-Callahan is one of the leading providers of industrial water treatment. Offering comprehensive water treatment solutions and expert consulting services backed by over 120 years of experience, we optimize system performance to extend equipment life, reduce health and safety risks, and minimize operating costs.

We are guided by our responsibility to provide customers with unparalleled service and effective, dependable water treatment solutions. Garratt-Callahan takes a proactive, scientific approach to prevent problems before they occur — so our customers can spend more time running their businesses and less time fixing them.

Headquartered in California and operating nationally across Texas, Illinois, Georgia, and New Jersey, we treat every customer's facility with the same care and conscientiousness we would our own. We utilize the latest proven technology and offer a full range of chemical and equipment solutions, developed in our certified laboratory that complies with State and Federal EPA standards. Our water treatment products are also certified in compliance with ISO 9001:2015 by NSF-ISR.

Our water treatment services include:
—Boiler Water Treatment
—Cooling Water Treatment
—Wastewater Solutions
—Water Management Plans
—Legionella Mitigation
—Secondary Disinfection
—Water Treatment Training

ASSE/IAPMO/ANSI 12080 Water Safety Certification
Water safety remains critical, and our team is trained and certified in implementing ASHRAE 188-2018 to minimize the risk of Legionellosis. A growing number of our field technicians hold certification under the ASSE 12080 program.

Founded

1904

Company size

201-500 employees

Industry

Chemical Manufacturing

Org type

Privately Held

Headquarters

Burlingame, CA

Apply Now

About the company

Garratt Callahan Co

Garratt-Callahan is one of the leading providers of industrial water treatment. Offering comprehensive water treatment solutions and expert consulting services backed by over 120 years of experience, we optimize system performance to extend equipment life, reduce health and safety risks, and minimize operating costs.

We are guided by our responsibility to provide customers with unparalleled service and effective, dependable water treatment solutions. Garratt-Callahan takes a proactive, scientific approach to prevent problems before they occur — so our customers can spend more time running their businesses and less time fixing them.

Headquartered in California and operating nationally across Texas, Illinois, Georgia, and New Jersey, we treat every customer's facility with the same care and conscientiousness we would our own. We utilize the latest proven technology and offer a full range of chemical and equipment solutions, developed in our certified laboratory that complies with State and Federal EPA standards. Our water treatment products are also certified in compliance with ISO 9001:2015 by NSF-ISR.

Our water treatment services include:
—Boiler Water Treatment
—Cooling Water Treatment
—Wastewater Solutions
—Water Management Plans
—Legionella Mitigation
—Secondary Disinfection
—Water Treatment Training

ASSE/IAPMO/ANSI 12080 Water Safety Certification
Water safety remains critical, and our team is trained and certified in implementing ASHRAE 188-2018 to minimize the risk of Legionellosis. A growing number of our field technicians hold certification under the ASSE 12080 program.

Founded

1904

Company size

201-500 employees

Industry

Chemical Manufacturing

Org type

Privately Held

Headquarters

Burlingame, CA

Footer

sidehustles.com
Facebook Twitter Instagram LinkedIn Reddit TikTok YouTube

Show Me The Money

  • Side Hustle Basics
  • Side Hustle Job Board (Remote & Part-Time Jobs)
  • Gig App Reviews
  • Job Hunting
  • Manage Your Money
  • The Gig Apple: News & Events

Company

  • About Us
  • Contact Us
  • Become a Contributor
  • Advertising & Sponsorships
  • Partner With Us
  • Editorial Guidelines

Side Hustles © All rights reserved

  • Privacy Policy
  • Terms of Service

Thanks for using our free job board

Your review would mean a lot to us.

If you love that we're just giving away remote jobs for free with no paywall, please spread the word. (You will need to create an account on Trustpilot, for which we'll be eternally grateful.) Good luck out there!

Leave a Review Not yet. Send me to the job post.