Plumbing and Systems Technician

About Rossmönster

Rossmönster is a leading custom adventure van and truck camper manufacturer dedicated to crafting unique and high-quality mobile living solutions. With a passion for exploration and a commitment to excellence, we design and build custom vehicles that empower people to get out and enjoy unforgettable adventures.

Rossmönster is seeking a Plumbing & Systems Technician to support the installation, troubleshooting, and quality assurance of water, HVAC, and mechanical systems in our custom adventure vehicles. This role blends hands‑on plumbing skills with RV/mobile‑specific system work in a fast‑paced, collaborative shop environment.

• Install fresh and grey water tanks
• Run PEX and flexible lines for water systems
• Install and test water pumps, faucets, fittings, and water heaters
• Troubleshoot leaks, pressure issues, and general plumbing failures
• Work on HVAC components (fans, heaters, ducting, vents)
• Support 12V DC and 120V AC system installations connected to plumbing
• Fit plumbing systems into tight or unconventional spaces
• Collaborate with carpentry, electrical, and fabrication teams to ensure systems integrate cleanly with cabinetry and structural components
• Perform pressure tests and full-system checks before vehicles leave the shop
• Maintain a safe, clean, and organized workspace

You have experience with plumbing installs, RV systems, marine systems, HVAC, or related trades, and you enjoy solving problems in unique, custom environments.

You’re comfortable working inside small spaces, adjusting layouts on the fly, and figuring out how to route lines through complex builds.

You communicate well, collaborate across trades, and take pride in delivering reliable, safe plumbing systems our customers can trust.

You care about doing the job right and building high-quality work that lasts.

• 2–5 years of plumbing, HVAC, RV/marine systems, or mechanical experience
• Strong understanding of PEX plumbing, water pumps, fittings, and pressure testing
• Ability to diagnose leaks and system issues
• Comfortable using standard shop and hand tools
• Able to lift 50+ lbs and work in varied positions throughout the day
• Reliable, quality-focused, and safety-minded

• Experience with 12V/120V systems
• Background in van/RV builds, marine systems, or overland vehicles
• Experience working from plumbing diagrams or drawings
• Light carpentry or cabinetry experience

This is a full-time, onsite role based in Longmont, Colorado. The team operates on a 4×10 schedule, Monday through Thursday, with Fridays available for optional overtime or catch‑up work. From time to time, this role may also support evening or weekend efforts tied to vehicle launches or special projects.

Our total compensation package reflects our commitment to your well‑being, featuring a generous paid time off and sick leave for a healthy work‑life balance. We prioritize health with robust medical and dental benefits, ensuring access to quality healthcare. The compensation for this role is between $25 - $32 per hour, based on experience. Beyond the tangible benefits, our workplace culture is fueled by a shared passion for exploration and excellence, creating an environment to thrive personally and professionally.

Rossmönster is an equal opportunity employer, and we encourage candidates from any background to apply.