Careers at National Water Service
Water… It’s What We Do!
At National Water Service, we’re more than just a water service company—we’re a team of problem solvers, innovators, and dedicated professionals. We pride ourselves on delivering clean water solutions, expert plumbing services, and well pump system care across Virginia, Maryland, and Washington, DC.
We’re always looking for qualified candidates and motivated individuals who are ready to learn the art of water treatment, plumbing, and well system services.
We believe in making the world a better place—one drop at a time. That starts with treating our team with the same respect and care we give to our customers. We value creativity, collaboration, and a strong work ethic. Our workplace is inclusive and supportive of people from all walks of life, and we are proud to be an equal opportunity employer.
Experienced plumbers, water treatment technicians, and well pump specialists
Entry-level candidates eager to learn and grow in a hands-on trade
Team players who are customer-focused and ready to problem-solve
People who care about their work—and about helping others
Competitive pay and room to grow
Ongoing training in water systems, plumbing, and well pump technology
Opportunities for certification and career advancement
A supportive team environment that values your voice
We are always accepting applications and looking for people ready to make a difference. Whether you’re certified or just getting started, we’ll help you build a career you can be proud of.
Positions Available: Master Plumber, Field Technician & Sales Representative.
We offer a variety of positions, including roles for water treatment technicians, well pump specialists, plumbers, customer service representatives, and field service managers. We also occasionally hire for administrative and support staff positions at our main office.
While experience is a plus—especially for technician or plumbing roles—we’re always open to training motivated individuals who are eager to learn. Some positions may require specific certifications, but we also offer training for the right candidates.
We’re based in Maryland and serve customers throughout the D.C. Metro area, Northern Virginia, and surrounding counties. Most field positions involve travel within this service area.
We’re a supportive, family-owned company that values teamwork, professionalism, and integrity. Whether you’re in the field or at the office, you’ll be part of a team committed to delivering clean, safe water solutions to our community.
Yes! For many roles, we provide on-the-job training and support certification opportunities. We want our team members to grow their skills and build long-term careers with us.
To apply, visit the Careers page and complete the online application form. You can also upload your resume and cover letter directly. If you have questions, feel free to contact us.
Yes—our full-time employees are eligible for competitive benefits, which may include health insurance, paid time off, retirement plan options, and more. Details will vary by role and experience level.
With over 45+ years of experience in water repair and management, we are proud to offer dedicated Water Techs & Master Plumbers to homes and businesses. Get affordable pricing, competitive quotes, and quality materials that last.
National Water Service has been providing residential & small commercial water treatment, plumbing & well pump services for over 45 years. We specialize in water treatment, filtration & purification solutions as well as general plumbing to ensure clean, safe water for our customers in Maryland, DC & Northern Virginia.
Mon - Thurs
7:00am - 5:00pm
Friday
7:00am - 4:00pm
Sat - Sun
Emergency Service Available
National Water Servicing Corporation — 2025 All Right Reserved ™