Water Treatment Chemical Service Technician

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.

Salary Range: $70,000.00 To $90,000.00 Annually

2026 YTD Sales are at an all Time Record Level !

Water Treatment Chemical Service Technician—San Luis Obispo, California

Garratt-Callahan (  ) 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.

Chemical Service Technicians are responsible for sales support by maintaining the existing customer base in the Central Coast area of California. Perform water treatment tests at the existing customers primarily in the greater Central Coast area. 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 San Luis Obispo.

The career track for a Chemical 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 and continuous training are provided. Paperwork is kept to a minimum. Compensation is based upon experience and the ability to succeed. $70,000 to $90,000 first year 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 available include a corporate 401k, health, dental, vision, and life insurance.

• Solve customers' water problems.
• Treat industrial boilers and cooling towers to keep energy efficient and environmentally friendly.
• Perform detailed water testing & analyses at Industrial sites, Manufacturers, Data Centers, Medical Centers, and Commercial Buildings.
• Help sell Garratt-Callahan's proprietary chemical blends, equipment, & monitoring technology.
• Passivation of stainless steel in industrial water treatment systems.
• Help sell corrosion & scale inhibitors, coagulants, flocculants, biocides, bio-augmentation, feed & monitoring equipment, water management plans, reverse osmosis products.
• Help sell Water Safety Programs.
• Keep our existing customers happy.
• Some overnight travel

Garratt-Callahan is a US based private 120-year-old, nationwide water treatment chemical company. Garratt-Callahan  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 Green Tech. 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.

• 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 $70,000 to $90,000, depending on experience.
• Advanced training, and a clear career path into sales.
• 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 even better.

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.

You will be a successful applicant if you have a technical degree such as Chemistry, Chemical Engineering, Biology, Mechanical Engineering, Paper Science, or Water Resources.

Nice to have backgrounds include: lab experience, field service, plumbing, pipe fitting, welding, HVAC, electric.

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 San Luis Obispo,…