Mechanical Engineer – Building HVAC and Plumbing Design

St. Louis, MO


CASCO is a leading commercial Design, Architecture & Engineering firm recently re-headquartered in Maplewood, MO in a newly remodeled office. We employ over 110 staff members and have a strong client base in the childcare, assisted living, entertainment, hospitality, retail, workplace, restaurant and industrial sectors. We are an employee owned company and offer excellent professional development opportunities and benefits.

CASCO is seeking a Mechanical Engineer to work in its Maplewood headquarters. Candidates should have a Bachelor’s Degree in Mechanical or Architectural Engineering and between 4 and 10 years’ experience in the design of a variety of commercial building HVAC systems, including package rooftop units, split systems, chilled water systems, condenser water systems, air rotation units, variable refrigerant systems, and others. The successful candidate should also possess experience in plumbing systems for commercial buildings ranging from small to large scale including water distribution, high and low-pressure gas, sanitary sewer, grease interceptors, storm drainage, compressed air, and other systems. Experience in the design of fire suppression systems would be a plus.

Candidates should possess a solid technical background, strong communication skills and be experienced with using AutoCAD. Professional Registration or Engineer Intern status, and Revit capability are a plus. Occasional travel and direct client communication will be required.

The successful applicant should be a self-starter and interested in leading a future team.  The ideal candidate will possess the future potential for personnel and or project management. Our culture rewards talented, motivated and dedicated individuals with the desire to learn and grow with positions of increasing responsibility, management and the potential for eventual ownership participation.


​We offer competitive compensation packages with premium benefits. Your comprehensive benefit package includes Health Insurance, Dental Insurance, 401K, Education Assistance, Holiday Leave, Vacation Leave, Sick Leave, Long Term Disability, Short Term Disability, Professional Development opportunities and more.