Mechanical Engineer - Buildings

Job-ID: 97214Category: EngineeringLocation: Riverside, CA, United StatesPosted: 2026-10-08This OpportunityWSP is currently initiating a search for a Mechanical Engineer for our Riverside, CA office. Be involved in projects with our Property & Buildings Team and be a part of a growing organization that meets our clients’ objectives and solves their challenges.At WSP, we are driven by inspiring the right people to be part of our future-focused business objectives. Our devotion to teamwork has allowed us to build communities and expand our skylines. Here at WSP, anything is within our reach—and yours as a WSP employee. Come join us and help shape the future. Your ImpactProvide technical assistance and guidance for the design, development, and construction of mechanical systems for building and infrastructure projects. Support HVAC system design including air distribution, hydronic systems, controls, and related building systems. Assist with research, concept development, and preparation of construction documents and specifications. Perform mechanical engineering calculations (e.g., load calculations) and support system sizing and selection. Collect, compile, and analyze engineering data from drawings, field observations, and technical reports to support project execution. Conduct site visits and inspections to assess existing conditions and ensure compliance with applicable codes and standards. Coordinate with multidisciplinary teams including electrical, structural, and architectural disciplines.Contribute to technical reports and presentations to support project findings and recommendations.Ensure work is delivered in alignment with WSP quality, safety, and performance standards. Who You AreRequired QualificationsBachelor’s Degree in Mechanical Engineering or closely related discipline. 3–5 years of relevant post-education experience in mechanical engineering design for building systems. Knowledge of HVAC systems, controls, and building mechanical systems design. Experience with engineering design software such as AutoCAD and/or Revit. Familiarity with applicable codes and standards (ASHRAE, IECC, local building codes).Strong analytical, technical writing, and communication skills. Ability to manage multiple priorities and work effectively both independently and within a team environment. Preferred QualificationsEngineer-in-Training (EIT) certification or progress toward PE licensure.Experience in healthcare, commercial, higher education, or science & technology projects.Exposure to energy-efficient and sustainable building design.Experience supporting small to mid-size projects through design and construction phases.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: $88,500- $126,600WSP 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-JM1About the companyAbout WSPWSP 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.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.