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Mahn Custom Homes

Site Superintendent

Fenton, MO, USDepartment not specifiedPosted Jul 15, 2026Updated Aug 26, 2026

The opportunity

About this role

Mahn Custom Homes & Renovations is hiring a Site Superintendent in Fenton, MO. Pay is $65,000 to $75,000 per year based on experience, plus an annual performance bonus. Full-time, onsite. You will run jobsites from first sketch to final walkthrough as the Project Managers' primary field representative.

Who You Are:

  • You take ownership of the site and everyone on it.

  • You take pride in work that matches the plans, specs, and code.

  • You keep homeowners informed and confident.

  • You have 5+ years of residential construction experience, ideally supervising custom homes or high-end remodels.

  • You know residential trades, codes, and sequencing.

  • You are comfortable in Buildertrend, Microsoft Office, and plan-review software.

  • You have a valid driver's license and clean driving record, and can walk active sites daily, climb ladders, and lift 75 lbs.

Who We Are:

  • We are a residential design-build company serving the greater St. Louis area with custom homes and renovations.

  • We were founded on integrity, craftsmanship, and the Golden Rule.

  • We put the homeowner experience first and hold a white-glove standard on every jobsite.

  • Our core values include Extreme Ownership and Quality Without Compromise.

What You Will Do Each Day:

  • Run the Project Manager's construction schedule and coordinate daily field activities.

  • Supervise Mahn labor personnel and coordinate subcontractors.

  • Perform QA and QC inspections against plans, specs, and code.

  • Log daily progress in Buildertrend with photos, RFIs, and punch lists.

  • Coordinate material deliveries and inspections.

  • Communicate with homeowners and enforce OSHA and company safety standards.

Why You Will Love Working Here:

  • $65,000 to $75,000 per year plus an annual performance bonus.

  • Health, dental, and vision insurance.

  • 401(k) with company match.

  • 13 days of PTO per year.

  • Company-provided technology and tools.

Next Steps:

If you are a proven field leader ready to raise the standard of custom homebuilding as our Site Superintendent, we want to hear from you.

Meet the team

About Mahn Custom Homes

“We Don’t Just Build Houses. We Build Trust, Craftsmanship, and Legacies.” At Mahn Custom Homes & Renovations, we believe that every home we touch is built to last for generations. We're looking for a highly organized, detail-driven Development Administrator to be the connective thread between our Owner, VP of Operations, Project Managers, and Design Team — keeping every project's planning, budget, selections, and documentation accurate and on track from first contract to final walkthrough. Founded on integrity, craftsmanship, and the Golden Rule, Mahn Custom Homes has served the greater St. Louis area with exceptional residential design-build services. Our projects are high-end, our standards are even higher, and we're looking for someone who takes pride in accuracy, organization, and the details that keep a project running smoothly.

Equal opportunity employment

We value a diverse team and consider qualified applicants without regard to race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability.

Your next move

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