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From the employer's careers site First seen 27 Oct 2026

Lead Mechanical Engineer - Buildings

WSP Saint Louis, MO senior full-time

Salary

$107,600 - $159,800 per year

Apply on WSP

Description

WSP is currently seeking a Lead Mechanical Engineer to join our Property & Buildings Building Systems Team in St. Louis, Missouri.

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.

Responsibilities

  • 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.

Requirements

  • 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

WSP provides a comprehensive suite of benefits focused on providing health and financial stability throughout the employee’s career. These benefits include coverage related to medical, dental, vision, disability, and life; retirement savings; paid sick leave; paid vacation (or other personal time); paid parental leave; and paid time off for purposes of bereavement, voting, and/or attendance at naturalization proceedings.

Compensation

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

Skills

Required

Nice to have

  • Professional Engineer (PE) license
  • sustainable design practices
  • energy modeling
  • decarbonization strategies
  • LEED Accredited Professional (LEED AP)
  • WELL AP

Ready to apply?

You apply with the employer directly. Their original posting is here: https://emit.fa.ca3.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX_2001/job/93476

Apply on WSP