Careers at Sewer Treatment Specialist

Sewer Treatment Specialists, LLC — Denham Springs, LA Full-time | In-office Pay: $20 – $30 per hour About Us Sewer Treatment Specialists (STS) is a growing commercial and industrial wastewater services company based in Denham Springs. We service lift stations, pump systems, and treatment equipment for major clients across South Louisiana — including national retail chains and industrial facilities. We're a hands-on, no-nonsense company that takes care of its customers and its people. About the Role We're looking for an experienced Office Administrator to run the day-to-day operations of our office. This is not an entry-level position — we need someone who can take ownership of the office without being micromanaged, keep our compliance paperwork airtight, and be the reliable point of contact our field crews and customers count on. You won't be supervising anyone right now, but we want someone with the leadership qualities and initiative to grow with the company. As STS expands, so will this role. What You'll Do • Answer phones, communicate with customers, and coordinate with field technicians • Manage service scheduling and job documentation • Support invoicing and billing in QuickBooks Online • Maintain compliance documentation for ISNetworld and Avetta (safety records, training records, insurance certificates, client prequalification requirements) • Keep customer files, service records, and internal paperwork organized and up to date • Handle general office administration — supplies, mail, filing, vendor coordination • Help build and improve office processes as we grow What We're Looking For • 3+ years of office administration experience (industrial services, construction, plumbing, or trades environment strongly preferred) • Experience with ISNetworld, Avetta, or similar contractor compliance platforms is a major plus — tell us about it in your application • Working knowledge of QuickBooks Online (or similar accounting software) • Strong organizational skills — you keep things from falling through the cracks • Professional phone and email communication • Self-starter who takes ownership and doesn't wait to be told what to do • Comfortable working directly with the owner in a small, fast-moving office What We Offer • Competitive hourly pay based on experience • Stable, full-time hours — Monday through Friday (8am-4:30) • Room to grow into an Office Manager role as the company expands How to Apply Submit your resume through Indeed. In your application, tell us briefly about your experience with contractor compliance platforms (ISNetworld/Avetta) or QuickBooks — applicants who address this will be prioritized. Sewer Treatment Specialists, LLC is an equal opportunity employer.

Sewer Treatment Specialist is seeking a detail-oriented and dependable Waste Water Treatment Operator to join our growing team in Denham Springs, LA. About STS: We provide industry-leading residential and commercial wastewater services—from septic pump-outs and lift station maintenance to hydro-jetting, video inspections, and certified ATU recertifications. With consistent work, growth potential, and expert training, we offer more than a job—we offer a career in a trade that’s here to stay. What You’ll Do: • Operate and maintain wastewater treatment systems to ensure compliance with regulations • Monitor system performance, take accurate readings, and keep precise records • Perform routine inspections, cleaning, and physical labor as needed • Troubleshoot and make basic repairs to equipment in the field • Work outdoors in all weather conditions • Be on-call one week every 6–8 weeks Who You Are: • Quick learner with strong mechanical aptitude • Comfortable working with your hands in a wastewater treatment environment • Background in wastewater treatment, construction, or equipment maintenance a plus • 1+ year of wastewater treatment experience preferred • Waste Water Treatment Level 1 and Waste Water Collection License Level 1 preferred (not required) Must-Haves: • Valid driver’s license and clean driving record • Full-time availability, Monday–Friday, with rotating on-call shifts • Waste water collection and treatment level 1 certifications PREFERED but NOT required. Compensation & Benefits: • $15–$25/hour • Health, dental, vision insurance • Paid time off + holidays • Professional training and growth opportunities