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Field Service Representative

Apex Water and Process
Sioux, SD Full Time
POSTED ON 6/15/2026
AVAILABLE BEFORE 7/13/2026
Description

Field Service Representative – Sioux Falls, SD and Surrounding Area

Apply your mechanical and technical aptitude to build a rewarding career — with extensive training, real-world field experience, and long-term opportunities for advancement throughout our company!

WHY APEX WATER AND PROCESS?

Apex Water and Process is a trusted leader in water and process management, delivering integrated solutions of chemistry, equipment, automation and services to help industries reduce costs, maximize efficiency, stay compliant, and optimize sustainability. We simplify water and process challenges for customers with expert support, seamless solutions, and fast problem-solving, so they can focus on running safe, efficient, and sustainable operations. We’re a fast-growing company with a vibrant, team-oriented culture, committed to delivering exceptional customer service and fostering long-term partnerships. At Apex, you’ll find ample opportunities for professional growth and development in a supportive environment. Plus, we offer a robust benefits package, and as a new full-time team member, you’ll start accruing paid time off from Day 1! Don’t miss out – apply today and start your journey with Team Apex!

Job Summary

We are seeking a Field Service Representative to join our team in the Sioux Falls area! In this role, you will be responsible for providing technical support and guidance to our clients within the water treatment industry. You will leverage your extensive knowledge and experience to resolve complex technical issues, ensure customer satisfaction, and contribute to the overall success of our field sales and service team.

Essential Job Responsibilities

  • Work onsite at customer locations to provide routine, day-to-day service to determine water treatment program is operating within optimal ranges and document findings in detailed reports
  • Participate in delivery, installation, commissioning and repair of systems at customer sites
  • Assist with chemical feed management
  • Work with Account Managers to manage and place orders, track inventory and usage of product at each site, and serve as the general face of Apex to assigned customer base
  • Maintain an organized approach to daily work, ensuring tasks are prioritized and completed efficiently
  • Send service reports to Account Manager within 24 hours of completion of service visit for each site visited
  • Project professional image of the Company through positive attitude, punctuality and reliable attendance
  • Complete initial and ongoing technical training related to boiler and cooling tower systems through AWT modules and Apex Academy resources
  • Maintain professional and technical knowledge to provide sound water treatment recommendations to customers
  • Keep vehicle in good operating condition and keep up with recommended maintenance as needed
  • Local travel is expected and ongoing; including approximately 10% travel outside of assigned region (which will include overnight travel)
  • Adhere to and support all safety policies and guidelines
  • Perform other duties as assigned

Required Qualifications

  • High school diploma or equivalent
  • Associate’s degree or two (2) years of hands-on experience in mechanical, technical, or industrial environments (e.g., plumbing, HVAC, equipment installation/repair, manufacturing, or general maintenance)
  • Strong mechanical and technical aptitude
  • Ability and willingness to use a hands-on approach to troubleshoot equipment issues and perform technical repairs, such as pump rebuilds
  • Strong communication and customer service skills with the ability to explain technical concepts to non-technical clients and stakeholders
  • Valid driver's license and willingness to abide by Company standards for operating a motor vehicle
  • Ability to lift up to 50 lbs.
  • Ability and willingness to physically provide service at customer facilities within a wide range of environments, including hot, loud industrial facilities as well as outdoor environments that may include exposure to sun, rain, wind, or other weather conditions
  • Ability to pass a respirator fit test and wear a half-or full-face respirator
  • Commitment to supporting customers, which may include occasional availability after standard business hours (typically via phone) for urgent needs
  • Ability and willingness to be away from home for overnight travel – up to three (3) nights/month

Preferred Qualifications

  • Bachelor’s degree in Chemistry, Chemical Engineering, or other relevant field of study
  • Working knowledge of cooling tower systems, steam generation, and chilled/hot/process water closed-loop systems
  • Prior work experience in technical service in industrial water treatment or specialty chemicals industry, including knowledge of water treatment systems, such as filtration, disinfection and chemical dosing
  • Past experience operating and supporting reverse osmosis and other equipment systems
  • Familiarity with water treatment industry regulations and standards
  • Advanced certifications or training in water treatment technologies

Compensation & Benefits

The anticipated base salary range for this position is $60,000 to $85,000 annually, depending on qualifications and experience. We also offer a comprehensive benefits package including medical, dental, vision, 401(k) with company match, and paid time off.

An offer of employment at Apex Water and Process is subject to a pre-employment background check, physical and drug screen. Apex is an equal opportunity employer and prohibits discrimination and harassment of any type and affords equal employment opportunities to employees and applicants without regard to race, color, religion, sex, age, national origin, disability status, protected veteran status, or any other characteristic protected by law.

EOE Statement We are an Equal Opportunity Employer and do not discriminate against any employee or applicant for employment because of race, color, sex, age, national origin, religion, sexual orientation, gender identity and/or expression, status as a veteran, disability status, or any other federal, state, or local protected class.

Salary : $60,000 - $85,000

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