This Opportunity WSP has an immediate opening for a highly experienced **Lead Mechanical Engineer** to support design and construction activities on major infrastructure projects throughout the United States and abroad. This position may be located in **Seattle, WA, Los Angeles, CA, or Sacramento, CA** . Project assignments may include: road and rail tunnels, transportation centers, transit maintenance facilities, commercial buildings and structures, substations, process facilities, parking structures and pump stations. This is an excellent technical position for an ambitious engineer to work and grow in a supportive environment with a close-knit group of mechanical engineers and design professionals and with abundant opportunity for advancement. It involves performing critical engineering functions on highly visible and significant projects for an internationally recognized global firm in a field designated for expansion. Your Impact + Lead HVAC design efforts on major building and infrastructure projects. + Prepare design documents, calculations, drawings and specifications for mechanical systems including, emergency ventilation systems, building HVAC systems, piping and hydraulic systems. + Perform emergency ventilation analyses to control smoke movement in road and rail tunnels using computational fluid dynamics (CFD) tools. + Design large-capacity emergency ventilation fan plants for road and rail tunnel smoke control + Perform system pressure drop, air distribution and ducting calculations for tunnel ventilation systems. + Work with and mentor junior engineers. + Assist in the development of costs estimates for mechanical systems. + Produce design elements using advanced CAD methods, 3D modeling and BIM. + Provide field inspection, system testing and other support during construction activities + Verify site characteristics and provide technical assistance on various engineering, design, and construction issues relating to automatic temperature control systems and specifications, air distribution (supply, return, exhaust), hydronic systems (chilled water, heating water, etc.), plumbing systems (domestic water, waste, vent, storm, etc.), and fire protection systems. + Interact with regulatory agencies, subcontractors, and clients in a confident and professional manner. Who You Are **Required Qualifications** + Bachelor’s Degree in Mechanical Engineering, or closely related discipline. + 7 to 10 years of relevant post education experience in engineering discipline and prior mechanical design experience. + Engineer license required. + Proficient with mechanical engineering principles, practices, process, and the application to project work-related issues. + Extensive knowledge of building and infrastructure design, codes and standards. + Experience with building and infrastructure planning, design, and construction management; including active involvement in a variety of rehabilitation, new design, and construction projects. **WSP Benefits:** WSP provides a comprehensive suite of benefits focused on a 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: $95,000 - $169,290 WSP USA is providing the compensation range that the company in good faith believes it might pay and offer for this position, based on the successful applicant’s education, experience, knowledge, skills, abilities in addition to internal equity and specific geographic location. WSP USA reserves the right to ultimately pay more or less than the posted range and offer additional benefits and other compensation, depending on circumstances not related to an applicant’s sex or other status protected by local, state, and/or federal law. \#LI-AC1 **About WSP** WSP USA is the U.S. operating company of WSP, one of the world's leading engineering and professional services firms. Dedicated to serving local communities, we are engineers, planners, technical experts, strategic advisors and construction management professionals. WSP USA designs lasting solutions in the buildings, transportation, energy, water and environment markets. With more than 15,000 employees in over 300 offices across the U.S., we partner with our clients to help communities prosper. www.wsp.com WSP provides a flexible and agile workplace model while meeting client needs. Employees are also afforded a comprehensive suite of benefits including medical, dental, vision, disability, life, and retirement savings focused on providing health and financial stability throughout the employee’s career. At WSP, we want to give our employees the challenges they seek to grow their careers and knowledge base. Your daily contributions to your team will be essential in meeting client objectives, goals and challenges. Are you ready to get started? WSP USA (and all of its U.S. companies) is an Equal Opportunity Employer Race/Age/Color/Religion/Sex/Sexual Orientation/Gender Identity/National Origin/Disability or Protected Veteran Status. The selected candidate must be authorized to work in the United States. **NOTICE TO THIRD PARTY AGENCIES:** WSP does not accept unsolicited resumes from recruiters, employment agencies, or other staffing services. Unsolicited resumes include any resume or hiring document sent to WSP in the absence of a signed Service Agreement where WSP has expressly requested recruitment/staffing services specific to the position at hand. Any unsolicited resumes, including those submitted to hiring managers or other business leaders, will become the property of WSP and WSP will have the right to hire that candidate without reservation – no fee or other compensation will be owed or paid to the recruiter, employment agency, or other staffing service.