Garratt-Callahan Jobs Hiring Now
Garratt-Callahan is hiring for 22 open roles on Migrate Mate as of July 16, 2026, concentrated in sales and account management, with listed salaries up to about $130,000. Migrate Mate updates Garratt-Callahan's live openings daily. Garratt-Callahan is a water treatment and chemical services company providing industrial water treatment solutions, technical sales, and on-site chemical service to commercial and industrial facilities.
Find Garratt-Callahan JobsOverview
Garratt-Callahan hiring data on Migrate Mate, as of July 16, 2026.
- Open jobs
- 22
- Top team
- Sales
- Seniority
- Across all levels
- Work type
- 14% remote or hybrid
- Top location
- Kansas City
- Salary range
- $55,000–$130,000
Listed salaries for Garratt-Callahan roles on Migrate Mate range from about $55,000 to $130,000 per year across 22 open roles, as of July 16, 2026. One role lists an hourly contract rate.
Open Roles at Garratt-Callahan
Showing 22 of 22+ Garratt-Callahan jobs
Our 2025 Sales were the Largest Growth in Decades. 2026 YTD Sales are even Better. We need to Hire!
A Water Treatment Chemical Site Manager will be responsible for working at a customer's data center in the Kansas City, MO, area. The Chemical Site Manager will solve customer water treatment concerns, perform extensive water treatment lab work, commission new application and system assets, and troubleshoot water treatment and control equipment at a customer's data center.
As a Site Manager, you will receive an industry competitive salary, expenses, and benefits. In addition, ample technical support is provided along with continuous training. Compensation is based upon experience and the ability to succeed. $100,000 to $130,000+ first year base for a qualified candidate. Plus a year end bonus!
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.
Garratt-Callahan (wwwgarrattcallahan.com) is family friendly, profitable, stable, and fiercely private. No layoffs in 100+ years. No ownership change in 100+ years. 75+ straight years of profitability. We have operations from Asia, to the Caribbean, and in every state in the USA. Let's talk.
Job Responsibilities:
Safe conduct of all work onsite.
- Solve customers’ water problems.
- Treat industrial cooling towers to keep them energy efficient and environmentally friendly.
- Perform extensive, detailed water testing & analyses.
- Troubleshoot water treatment and control equipment.
- Help deliver on customer KPIs and promote Garratt-Callahan solutions including proprietary chemical blends, equipment, & monitoring technology.
- Pursue cost-savings initiatives that result in power, water, time, and/or labor savings.
- Conduct regular meetings with all client stakeholders.
- Write and present quarterly Business Reviews.
- Commission newly installed assets and control equipment.
- Report directly to the Operations Manager submitting weekly reports on all Site related activities, program performance, personnel issues, and/or customer communications.
About Garratt-Callahan:
Garratt-Callahan is a U.S.-based, private 100+ year old, nationwide water treatment chemical company. Garratt-Callahan www.garrattcallahan.com started with serving the boilers that powered steam-locomotives of the Industrial Revolution. And now Garratt-Callahan is on the leading edge of technological advancements and treatments supporting all Data Center designs. Our company 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. Garratt-Callahan is a trusted partner for leading U.S. technology companies. We have five chemical plants in the USA, Data Center Operations teams across the U.S., sales people in every state, and operations in Asia, the Pacific, and the Caribbean.
Benefits:
We offer a competitive benefit package, which includes medical, dental, vision, AD&D, LT, and 401k (with matching).
- First year compensation: $100,000 to $130,000+ with a bonus, 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 100+ year history.
- G-C is a profitable company. The last year that G-C did not turn a profit was during World War 2.
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=569264&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.
Requirements:
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.
You must have a 4 year technical degree in the sciences to qualify for this position.
A successful applicant must have 5+ years experience in the water treatment business (or chemical related field) and interest in learning advanced water treatment technologies.
A successful applicant will have supervisory experience and basic knowledge in management practices and procedures.
A successful applicant must be able to perform all site activities (testing, troubleshooting, maintenance, chemical applications, etc) independently with only remote support.
A successful applicant must be detail-oriented, adhere to safety protocols, and be able to lift 50 pounds wearing PPE in all weather conditions.
Outside industrial sales experience is a plus. You must live in or near the Kansas City, MO, area and be familiar with cooling and pretreatment technologies.
Additional Preferred Qualifications:
- Familiarity With Industrial Cooling Towers
- Knowledge and Proficiency with Lab Procedures, Water Equipment, & Water Chemistry
- Ability to Provide Virtual Presentations to Group
- Experience Working in a Team Setting as a Collaborative Partner
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. This phone number is only for disability assistance.
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, veolia, Suez, ge water, chemtreat, drew industrial, solenis, chem-aqua, kurita, evoqua, fremont, water treatment, boilers, cooling towers, waste water, pumps, equipment, chillers, polymers, biocides, data center, Kansas City, MO.
Our 2025 Sales were the Largest Growth in Decades. 2026 YTD Sales are even Better. We need to Hire!
A Water Treatment Chemical Site Manager will be responsible for working at a customer's data center in the Kansas City, MO, area. The Chemical Site Manager will solve customer water treatment concerns, perform extensive water treatment lab work, commission new application and system assets, and troubleshoot water treatment and control equipment at a customer's data center.
As a Site Manager, you will receive an industry competitive salary, expenses, and benefits. In addition, ample technical support is provided along with continuous training. Compensation is based upon experience and the ability to succeed. $100,000 to $130,000+ first year base for a qualified candidate. Plus a year end bonus!
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.
Garratt-Callahan (wwwgarrattcallahan.com) is family friendly, profitable, stable, and fiercely private. No layoffs in 100+ years. No ownership change in 100+ years. 75+ straight years of profitability. We have operations from Asia, to the Caribbean, and in every state in the USA. Let's talk.
Job Responsibilities:
Safe conduct of all work onsite.
- Solve customers’ water problems.
- Treat industrial cooling towers to keep them energy efficient and environmentally friendly.
- Perform extensive, detailed water testing & analyses.
- Troubleshoot water treatment and control equipment.
- Help deliver on customer KPIs and promote Garratt-Callahan solutions including proprietary chemical blends, equipment, & monitoring technology.
- Pursue cost-savings initiatives that result in power, water, time, and/or labor savings.
- Conduct regular meetings with all client stakeholders.
- Write and present quarterly Business Reviews.
- Commission newly installed assets and control equipment.
- Report directly to the Operations Manager submitting weekly reports on all Site related activities, program performance, personnel issues, and/or customer communications.
About Garratt-Callahan:
Garratt-Callahan is a U.S.-based, private 100+ year old, nationwide water treatment chemical company. Garratt-Callahan www.garrattcallahan.com started with serving the boilers that powered steam-locomotives of the Industrial Revolution. And now Garratt-Callahan is on the leading edge of technological advancements and treatments supporting all Data Center designs. Our company 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. Garratt-Callahan is a trusted partner for leading U.S. technology companies. We have five chemical plants in the USA, Data Center Operations teams across the U.S., sales people in every state, and operations in Asia, the Pacific, and the Caribbean.
Benefits:
We offer a competitive benefit package, which includes medical, dental, vision, AD&D, LT, and 401k (with matching).
- First year compensation: $100,000 to $130,000+ with a bonus, 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 100+ year history.
- G-C is a profitable company. The last year that G-C did not turn a profit was during World War 2.
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=569264&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.
Requirements:
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.
You must have a 4 year technical degree in the sciences to qualify for this position.
A successful applicant must have 5+ years experience in the water treatment business (or chemical related field) and interest in learning advanced water treatment technologies.
A successful applicant will have supervisory experience and basic knowledge in management practices and procedures.
A successful applicant must be able to perform all site activities (testing, troubleshooting, maintenance, chemical applications, etc) independently with only remote support.
A successful applicant must be detail-oriented, adhere to safety protocols, and be able to lift 50 pounds wearing PPE in all weather conditions.
Outside industrial sales experience is a plus. You must live in or near the Kansas City, MO, area and be familiar with cooling and pretreatment technologies.
Additional Preferred Qualifications:
- Familiarity With Industrial Cooling Towers
- Knowledge and Proficiency with Lab Procedures, Water Equipment, & Water Chemistry
- Ability to Provide Virtual Presentations to Group
- Experience Working in a Team Setting as a Collaborative Partner
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. This phone number is only for disability assistance.
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, veolia, Suez, ge water, chemtreat, drew industrial, solenis, chem-aqua, kurita, evoqua, fremont, water treatment, boilers, cooling towers, waste water, pumps, equipment, chillers, polymers, biocides, data center, Kansas City, MO.
Job Roles at Garratt-Callahan
Working at Garratt-Callahan
Garratt-Callahan's 22 open roles are across all levels, and about 14% are remote or hybrid. The most active teams are sales, account management, and customer support. Garratt-Callahan provides water treatment chemicals, technical services, and chemical management programs to industrial and commercial clients, including data centers and other facility types requiring specialized water quality management. Field-based technician and service roles make up a significant share of current openings, alongside technical sales and customer support positions. Most Garratt-Callahan roles are based in Kansas City, with some in Omaha and Dallas.
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Browse jobs by roleGarratt-Callahan Jobs: Frequently Asked Questions
How many jobs is Garratt-Callahan hiring for right now?
Garratt-Callahan is hiring for 22 open roles on Migrate Mate as of July 16, 2026, updated daily, concentrated in sales and account management. Roles span field-based chemical service technician positions, water treatment construction and site management, technical sales, and customer service order entry.
What kinds of roles does Garratt-Callahan hire for?
The most active teams are sales, account management, and customer support. Garratt-Callahan regularly hires chemical service technicians, water treatment service technicians, site managers, technical sales representatives, and customer service order entry staff. A notable share of current postings support data center water treatment operations specifically. Most postings are across all levels, covering both field and office-based functions.
Are Garratt-Callahan jobs remote or in-person?
Mostly on-site. About 14% of Garratt-Callahan's open roles on Migrate Mate are remote or hybrid as of July 16, 2026, with the rest based in Kansas City. Each Garratt-Callahan listing shows its work location so you can filter before applying.
How do I apply to a job at Garratt-Callahan?
Find a Garratt-Callahan role on Migrate Mate, then follow the listing through to Garratt-Callahan's own careers page to submit your application directly. Garratt-Callahan manages its own hiring process, including screening and interviews. Migrate Mate keeps Garratt-Callahan's listings current so the roles you see reflect what the company is actively recruiting for.
What do Garratt-Callahan jobs pay?
Listed salaries for Garratt-Callahan roles on Migrate Mate range from about $55,000 to $130,000 per year as of July 16, 2026, with most postings at across all levels. One role lists an hourly contract rate. Exact pay is set by Garratt-Callahan and shown on each listing.
Does Garratt-Callahan hire entry-level?
Most of Garratt-Callahan's open roles on Migrate Mate are across all levels as of July 16, 2026. Check individual Garratt-Callahan listings for stated experience requirements.
Where is Garratt-Callahan hiring?
Most Garratt-Callahan roles are based in Kansas City, with some in Omaha and Dallas, and about 14% offer remote or hybrid work as of July 16, 2026. Migrate Mate shows the location on each listing.