Mechanical Designer/Engineer (HVAC)

About the role

Mazzetti, a global engineering design and consulting firm focused on healthcare and science and technology facilities, is seeking a Mechanical Designer/Engineer based in the St. Louis area. The engineer takes ownership of system design on small to mid-size projects, working with senior engineers, architects and multidisciplinary teams, with room to grow into more complex projects and client and project management responsibilities. The position is hybrid, with about two days per week in the St. Louis office and roughly 10-15% travel.

Key responsibilities

• Design HVAC and mechanical building systems for commercial, institutional, healthcare and other complex facilities
• Perform engineering analyses, calculations, equipment selections and system studies
• Prepare construction documents such as plans, specifications, schedules and technical documentation
• Coordinate mechanical systems with architectural, structural, electrical, plumbing and specialty disciplines
• Review drawings and specifications for quality, constructability, code compliance and technical accuracy
• Take part in project planning, coordination meetings and design reviews
• Support construction administration by answering RFIs, reviewing submittals, visiting sites and resolving technical issues
• Share technical knowledge, take part in quality control reviews and mentor junior staff

Required profile

• Bachelor's degree in Mechanical Engineering or a related discipline, or equivalent mechanical design experience
• 4-8 years of mechanical engineering or design experience in the AEC consulting industry
• Experience designing HVAC and mechanical systems, including load calculations, equipment selection, duct and piping design
• Experience coordinating with multidisciplinary teams and preparing construction documents
• EIT certification or PE license preferred

Required skills

• Revit, AutoCAD and Bluebeam
• Mechanical load calculation software
• Knowledge of building codes and industry standards
• Familiarity with sustainable, resilient and high-performance building design

What we offer

• Salary range of $76,000-$139,000 depending on experience and skills
• Medical, dental, vision, FSA, HSA, STD, LTD and life insurance
• Company-funded ESOP, performance-based bonuses and 401(k) with employer matching
• Paid parental leave, EAP services, generous PTO and 9 paid holidays
• Tuition reimbursement, mentorship and professional development funding
• Home office support and paid volunteer time off