Lead Mechanical Engineer - Buildings

About the Role

WSP is currently initiating a search for a Lead Mechanical Engineer to join our Property & Buildings Building Systems Team in St. Louis, Missouri. This position is ideal for an experienced mechanical engineer with a strong background in building systems design and project delivery across commercial, healthcare, higher education, science & technology, federal, industrial, and civic markets. As a technical leader, you will play a key role in delivering innovative mechanical solutions, managing complex projects, supporting client relationships, and mentoring engineering staff. You will collaborate with multidisciplinary teams to provide high-quality design services from concept through construction.

Your Impact

• Lead mechanical engineering design and delivery for a diverse portfolio of building projects.
• Serve as the technical lead for HVAC, plumbing, hydronic, and life safety systems from planning through construction administration.
• Manage projects and engineering teams to ensure alignment with scope, schedule, budget, and quality objectives.
• Coordinate with architects, structural engineers, electrical engineers, and other disciplines to deliver integrated building solutions.
• Serve as a client-facing representative and trusted advisor throughout project execution.
• Support business development activities, including proposal preparation, client presentations, and project pursuits.
• Perform and review engineering calculations, studies, specifications, reports, and construction documents.
• Ensure compliance with applicable building codes, energy standards, and industry best practices.
• Support commissioning, field investigations, and construction-phase services as required.
• Provide mentorship, technical guidance, and career development support to junior engineers and designers.
• Foster collaboration, innovation, and continuous improvement within the Mechanical Engineering practice.

Required Qualifications

• Bachelor's Degree in Mechanical Engineering or Architectural Engineering.
• 7+ years of experience in mechanical engineering design for building systems.
• Demonstrated experience leading multidisciplinary building projects through design and construction.
• Strong knowledge of HVAC systems, central plant systems, hydronics, plumbing systems, and building energy performance.
• Experience preparing construction documents, specifications, and engineering calculations.
• Proficiency with Revit, AutoCAD, and industry-standard mechanical engineering software.
• Strong leadership, organizational, communication, and client relationship skills.
• Ability to effectively collaborate with project teams, clients, and stakeholders.

Preferred Qualifications

• Professional Engineer (PE) license required or ability to obtain within six months of hire.
• Experience serving healthcare, higher education, commercial, science & technology, industrial, federal, or civic markets.
• Experience managing multiple concurrent projects and engineering teams.
• Knowledge of sustainable design practices, energy modeling, and decarbonization strategies.
• LEED Accredited Professional (LEED AP), WELL AP, or other sustainability credentials.
• Experience supporting business development and client relationship management.

Benefits

• Medical, dental, vision, disability, and life coverage.
• Retirement savings.
• Paid sick leave.
• Paid vacation (or other personal time).
• Paid parental leave.
• Paid time off for bereavement, voting, and attendance at naturalization proceedings.

Pay

Expected Salary (all locations): $107,600 – $159,800