Senior Mechanical Engineer - Buildings

WSP is seeking a Senior Mechanical Engineer to join our growing Property & Buildings (P&B) team in Chicago, Illinois. This role offers the opportunity to work on a diverse portfolio of projects across the commercial, corporate, healthcare, higher education, science & technology, mixed-use, and public sectors.

About the role

The successful candidate will lead mechanical system design efforts, collaborate with multidisciplinary project teams, mentor junior staff, and deliver innovative and sustainable solutions that enhance the built environment. This position provides significant opportunities for professional growth, technical leadership, and client engagement.

Responsibilities

• Lead the design and analysis of HVAC, plumbing, and mechanical building systems for new construction and renovation projects.
• Develop engineering calculations, design narratives, specifications, and construction documents.
• Coordinate with architects, structural engineers, electrical engineers, and other disciplines to deliver integrated project solutions.
• Perform quality reviews of mechanical designs, drawings, specifications, and technical reports.
• Participate in project planning, budgeting, scheduling, and resource management activities.
• Interface directly with clients, contractors, and project stakeholders throughout project delivery.
• Support business development efforts through proposal preparation, client presentations, and project pursuits.
• Mentor and develop junior engineers and designers.
• Conduct field investigations, site visits, and construction administration activities as required.
• Ensure compliance with applicable codes, standards, and WSP quality procedures.
• Support sustainable building design initiatives, energy-efficient solutions, and decarbonization strategies where applicable.

Requirements

• Bachelor's Degree in Mechanical Engineering from an accredited program.
• 5+ years of mechanical engineering experience focused on building systems design.
• Professional Engineer (PE) license or ability to obtain licensure within a reasonable timeframe.
• Experience designing HVAC and mechanical systems for commercial, institutional, healthcare, higher education, mixed-use, or other complex building projects.
• Proficiency with industry-standard software such as Revit, AutoCAD, HVAC load calculation software, and Microsoft Office Suite.
• Strong knowledge of applicable building codes, energy standards, and mechanical design practices.
• Excellent written and verbal communication skills.
• Proven ability to manage multiple priorities and collaborate effectively within multidisciplinary teams.

Preferred Qualifications

• Active PE license.
• Experience leading multidisciplinary building projects from concept through construction.
• Knowledge of sustainable design principles, energy modeling, and high-performance building strategies.
• Experience with healthcare, higher education, science and technology, commercial, or public-sector facilities.
• LEED Accredited Professional (LEED AP) or other relevant sustainability credentials.
• Experience mentoring engineers and technical staff.

Benefits

WSP provides a comprehensive suite of benefits focused on health and financial stability throughout the employee’s career, including:

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

Pay

Expected salary range: $100,800 - $147,000.

About WSP

WSP USA is the U.S. operating company of WSP, one of the world's leading engineering and professional services firms. We design lasting solutions in the buildings, transportation, energy, water, and environment markets. With over 15,000 employees in more than 300 offices across the U.S., we partner with clients to help communities prosper.

WSP offers a flexible and agile workplace model while meeting client needs, along with a comprehensive suite of benefits. We provide opportunities for professional growth, technical leadership, and client engagement.