Master Plumber

Master Plumber

Location: St. Louis, MO (based out of Lake St. Louis HQ; on-site)Employment Type: Full-Time, ExemptSalary: $80,000–$100,000 per yearEntity: Pro Outdoor

What We Offer

Competitive pay, medical/dental/vision benefits, 401(k) with company match, paid time off and holidays, long-term advancement opportunities, and a supportive, high-performance work environment. A company truck and all required tools are provided for business use.

About the Role

Pro Outdoor, headquartered in Lake St. Louis, is hiring a Master Plumber to lead plumbing and irrigation system operations across the St. Louis region. This senior-level role focuses on outdoor water systems, troubleshooting, design work, installations, seasonal operations, and mentoring field technicians. Because our work spans jurisdictions, the Master Plumber must be licensed in BOTH St. Louis County and the City of St. Louis and fully compliant with all associated plumbing codes and regulations.

What You'll Do

• Interpret plumbing, irrigation, and site plans

• Select appropriate piping, valves, fittings, and backflow devices

• Install underground piping, irrigation components, controllers, and sensors

• Connect systems to water supply and perform pressure/flow testing

• Conduct start-ups, shut-downs, and winterization

• Troubleshoot leaks, breaks, clogs, pressure issues, valves, and controllers

• Inspect systems for performance and water efficiency

• Recommend upgrades and conservation improvements

• Maintain service reports and as-built documentation

• Prepare labor and material estimates

• Train and oversee junior plumbers and irrigation technicians

• Ensure adherence to plumbing codes, backflow standards, and water-use regulations

• Coordinate with landscapers, electricians, site managers, and other trades

• Maintain tools, inventory, and job readiness

• Advise clients and internal teams on system maintenance and best practices

Must-Have Qualifications

• Licensed Master Plumber in St. Louis County

• Licensed Master Plumber in the City of St. Louis(required for compliance and permitting)

• Backflow Testing & Repair Certification

• Blueprint and schematic reading proficiency

• Strong knowledge of plumbing codes, water-use rules, and backflow regulations

• Experience with irrigation plumbing or outdoor water systems

• Ability to supervise field teams and maintain high safety and quality standards

Preferred Qualifications

• Certified Irrigation Contractor (CIC)

• Certified Landscape Irrigation Auditor (CLIA)

Working Conditions

• Regular outdoor work in varying weather conditions

• Frequent standing, kneeling, climbing, and field movement

• Manual dexterity for plumbing and irrigation tools

• Ability to lift and move up to 25 lbs

• Exposure to uneven terrain and outdoor jobsite conditions

Eligibility Requirements

Candidates must be authorized to work in the United States and able to provide valid documentation. Pro Outdoor is an Equal Opportunity Employer and welcomes applicants from all backgrounds.