
Location: Houston, TX – 250 Gellhorn Dr.
Schedule: Full-time | On-site | Day Shift + Flexibility Required (6am-3pm)
Pay: $30–$42/hour (based on experience and license level)
Status: Non-Remote
The Maintenance Technician is responsible for the maintenance, installation and repairs of wastewater plant’s mechanical equipment including gas and diesel engines, heat exchangers, fans, valves, compressors, storage tanks, pumps of various types, overhead cranes and hoists. The Maintenance Technician plays an integral role in the daily functions of the wastewater cleaning facility.
Make a Real Impact with Liquid Environmental Solutions
At Liquid Environmental Solutions, we don’t just treat wastewater — we protect water, health, and the environment every single day. We’re looking for a hands-on Maintenance Technician with a City of Houston Grade 2 Stationary Engineer License to support and safeguard our Houston plant operations.
This is a high-responsibility, mechanically focused role where your license is not just a checkbox — it’s a requirement for operational compliance. If you enjoy working with your hands, solving mechanical challenges, and ensuring critical systems run safely and efficiently, we want to hear from you.
What You’ll Need
You’ll Thrive Here If…
You take pride in your craft.
You’re dependable and self-motivated.
You want to be part of something bigger than just a job.
Apply Today
If you’re licensed, mechanically skilled, and ready to be part of Houston’s environmental protection team — we’d love to talk.
Job Type: Full-time
License/Certification:
Work Location: In person
This job description in no way states of implies these are the only duties to be performed by the employee incumbent in the position. Employees will be required to follow any other legal or ethical job-related duties requested by any person authorized to give instructions or assignments. A review of this position has excluded the marginal functions of the position that are incidental to the performance of fundamental job duties.

Liquid Environmental Solutions - the largest, exclusively non-hazardous US wastewater collection and disposal company, is known for innovation and leadership in protecting customers from liability and ensuring regulatory compliance, while minimizing their environmental footprint. Focused exclusively on servicing customers’ non-hazardous liquid waste needs, Liquid Environmental Solutions collects, treats and beneficially recovers materials from a wide variety of waste sources, including grease traps, used cooking oil, grit traps, oil water separators, industrial and manufacturing waste for the restaurant and hospitality, automotive maintenance, manufacturing, power plant, petrochemical and ship-building and repair industries, as well as waste collection companies. With over 700 team members, a state of the art fleet of more than 360 vacuum trucks, 99 collection branches, and 78,000+ customer locations served, Liquid Environmental Solutions is positioned to meet customers’ diverse liquid waste needs throughout the United States.