Associate Mechanical Engineer - Buildings

Who We AreAt WSP, we are driven by inspiring future-ready pioneers to innovate. We're a global leader in engineering and professional services, bringing together technical expertise, strategic thinking, and a commitment to delivering exceptional results for our clients and communities.Our Property & Buildings team is growing, and we're looking for an Associate Mechanical Engineer to join our Irvine, California office. This is an exciting opportunity to work on a variety of general buildings projects, collaborating with multidisciplinary teams to deliver innovative and sustainable mechanical system designs.Your ImpactAs an Associate Mechanical Engineer, you will support the design and delivery of mechanical building systems for a diverse portfolio of projects including commercial, mixed-use, civic, institutional, and workplace facilities. You'll work alongside experienced engineers and project teams while continuing to develop your technical, project management, and client-facing skills.ResponsibilitiesAssist with the design and analysis of HVAC, plumbing, and mechanical systems for building projects.Prepare engineering calculations, technical reports, plans, specifications, and construction documents.Utilize Revit and AutoCAD to support the development of construction drawings and BIM models.Coordinate with electrical, structural, architectural, and other project disciplines.Participate in site visits, field investigations, and construction administration activities.Support project managers in meeting project schedules, budgets, and quality objectives.Review and apply applicable building codes, standards, and industry best practices.Contribute to sustainable and energy-efficient design solutions.Required QualificationsBachelor's Degree in Mechanical Engineering.2+ years of relevant mechanical engineering experience in the buildings industry.Fundamental understanding of HVAC and building mechanical systems.Experience with Revit and/or AutoCAD.Strong communication, collaboration, and organizational skills.Ability to work effectively in a team-oriented environment.Engineer-in-Training (EIT) certification or ability to obtain preferred.Preferred QualificationsExperience working on commercial, institutional, higher education, civic, mixed-use, or other general buildings projects.Familiarity with energy modeling, sustainability initiatives, and California building codes.Exposure to construction administration and field observations.Working knowledge of industry software such as HAP, TRACE, or similar HVAC design tools.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 (all locations): $84,500 - $116,200 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-JM1About 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. Full timePosting Date: 2026-10-01