Field Service Technician

Field Service Technician – The Marvin Group

The Marvin Group is a leading provider of advanced, sustainable wastewater treatment solutions.

Description: The Service Tech/Installer reports to the Operations Manager and Production Manager. This multi‑roll role requires travel and independent or team-based work. Responsibilities include servicing and installing the Gas Energy Mixing (GEM) System and related equipment, maintaining quality workmanship, communicating effectively with clients, and ensuring safe, code‑compliant installations.

• Develop and maintain proficiency in hand and power tools and installation techniques.
• Master all CWT equipment, including pH systems, motor controls, and GEM electronics.
• Complete jar testing, pump seal replacement, and electrical programming for PH and level controllers.
• Build strong relationships with clients and contractors.
• Provide preventative maintenance options and perform service calls.
• Work in the shop or field as required.
• Read and understand electrical schematics and blueprints.
• Complete installations and repairs to code and company standards.
• Diagnose and resolve technical problems.
• Maintain a clean, well‑stocked work vehicle and truck.
• Complete all documentation accurately, including inventory, photos, authorization forms, timesheets, spending reports, and daily inventory logs.
• Perform any additional tasks assigned by management.

• Continue education on installation and service techniques.
• Maintain a professional image and job‑site cleanliness.
• Review job scope with customers before beginning.
• Be on call for immediate deployment to job sites.
• Maintain and troubleshoot all electrical and mechanical components of the GEM system.
• Track mileage and inventory per company policies.

• Work effectively as a team member in the field and shop.
• Demonstrate continuous improvement in skills and performance.
• Deliver quality service with no customer complaints.
• Build a self‑sustaining preventative maintenance program.
• Maintain accurate records for each job and client file.
• Show willingness to assist all departments.

Salary Range: $68,840 – $85,000

Notes: This job description does not specify or limit duties. Employees must follow all job‑related instructions and assignments. All duties are essential functions and may be modified to accommodate disabilities. Applicants must be U.S. persons under ITAR requirements.

Interested parties please apply online and submit your resume to  Visit us at

Seniority level:
Entry level

Employment type:

Full‑time

Job function:
Engineering and Information Technology

Industries:
Defense & Space

We are an EEO/AA/Disability/Vets employer. Our company uses E‑Verify. If you have a disability, contact People & Culture at  for accommodations.