Mechanical Design Engineer (HVAC/R & Plumbing) - NDBS

Together We Build – Partnership, Innovation, Excellence, and Safety

At Kelso Industries, 3,500+ employees across 30 companies work together to deliver exceptional HVAC, mechanical, plumbing, refrigeration, and electrical solutions nationwide. Join us to grow your career, make an impact, and be part of a team where innovation, excellence, and safety come first.

*Recruiter Notice: We respectfully ask external recruiters and staffing agencies not to submit candidates. We only accept direct applications.*

Mechanical Design Engineer – HVAC & Plumbing Systems

About NDBS

National Design Build Services is a mechanical design/build firm specializing in HVAC/R systems for commercial and light industrial facilities. Our projects include cold storage, food and beverage processing, manufacturing plants, distribution centers, healthcare, and large-scale commercial buildings.

NDBS offers a competitive compensation and benefits package along with strong opportunities for career growth and advancement.

Position Description

The Mechanical Design Engineer – HVAC & Plumbing Systems is a key technical role responsible for the design and engineering of HVAC and plumbing systems from concept through construction. This position focuses on air distribution, ventilation, refrigeration support systems, and domestic/process plumbing design in complex commercial and industrial environments.

You will work closely with field teams, project managers, and preconstruction to ensure systems are engineered for constructability, efficiency, and code compliance.

Position Information

• Position Type: Full Time
• Travel Required: 15%
• Department: Engineering
• Location: St. Louis, MO 63146 OR Remote (U.S.)

Skills & Responsibilities (including but not limited to)

Adhering to NDBS Core Values

• Safety
• We Answer Our Phones
• Always Innovating
• Collaborative Partnerships
• Reputation
• Entreprene...