Drain & Sewer Services + Excavation

At Wolff Underground, we don’t just dig trenches—we build careers. As a trusted name in sewer installation, repair, and underground infrastructure, we’re proud to serve Wisconsin communities with precision, integrity, and grit. Our team is the backbone of every successful project, and we’re always looking for driven individuals who take pride in hard work and problem-solving.

Whether you're operating heavy machinery, managing site logistics, or supporting our crews behind the scenes, you’ll be part of a company that values safety, craftsmanship, and teamwork. We offer competitive pay, hands-on training, and a work environment where your contributions truly matter.

If you're ready to get your boots dirty and your skills sharpened, explore our open positions and join a crew that’s committed to doing the job right—every time.