Senior Mechanical Engineer — Buildings & Systems Lead

WSP Global Inc.; Irvine (CA); On-site; USD 108,000 - 157,000; Full time

Benefits offered by this job

Health and dental benefits

Retirement savings plan

Paid time off

Job summary

WSP Global Inc. is seeking a Senior Mechanical Engineer to join the Property & Buildings team in Irvine, CA.

You will design and deliver mechanical systems across commercial, higher education, and multi-family civic projects, leading HVAC and building services with a focus on code compliance and collaboration. You will contribute through the full project lifecycle, coordinate with multi-disciplinary teams, and mentor junior staff while delivering client-focused solutions in a dynamic design

Qualifications

• Bachelor's Degree in Mechanical or Architectural Engineering.
• 5+ years of mechanical design experience for building systems.
• Experience across commercial, higher education, multi-family residential, and civic projects.

Responsibilities

• Perform mechanical design and technical delivery across diverse projects.
• Support HVAC, air distribution, hydronic, and building systems design.
• Participate in the full project lifecycle from concept through close-out.
• Analyze data from site conditions and drawings to support solutions.
• Prepare technical reports, specs, and design documentation.
• Ensure designs comply with codes and healthcare requirements.
• Collaborate with multi-disciplinary teams for integrated solutions.
• Engage in client meetings and build strong relationships.
• Mentor junior staff and contribute to team development.

Skills

Communication skills

Collaboration

Revit

AutoCAD

Education

Bachelor's Degree in Mechanical Engineering

Architectural Engineering degree (optional)

Tools

Revit

AutoCAD

Job description

This Opportunity

WSP is currently initiating a search for a Senior Mechanical Engineer to join our Property & Buildings team in Irvine, CA.

This role is ideal for a motivated engineer who brings experience across sectors, including commercial, higher education, and multi-family residential and civic projects, and is looking to grow within a collaborative, design-focused environment.

Be involved in projects with our Property & Buildings Team and be part of a growing organization that meets our clients’ objectives and solves their challenges.

Your Impact

• Perform mechanical engineering design and technical delivery across a diverse portfolio including commercial, higher education, multi-family residential, and civic projects
• Support design of HVAC, air distribution, hydronic, and building systems
• Participate in the full project lifecycle, from concept development through construction and close-out
• Analyze and interpret data from site conditions, drawings, and technical documents to support engineering solutions
• Prepare and contribute to technical reports, specifications, and design documentation
• Ensure designs comply with applicable codes, standards, and sector-specific requirements, including healthcare environments
• Collaborate with multi-disciplinary teams to deliver integrated project solutions
• Support client interactions and project meetings, building strong working relationships
• Mentor junior staff and contribute to team development

Who You Are

Required Qualifications

• Bachelor's Degree in Mechanical Engineering or Architectural Engineering
• 5+ years of relevant experience in mechanical design for building systems
• Experience supporting projects across commercial, higher education, and multi-family residential and civic projects
• Strong understanding of HVAC systems and mechanical design principles
• Experience supporting projects from design through construction
• Proficiency with Revit, AutoCAD, and related engineering tools
• Strong communication and collaboration skills

Preferred Qualifications

• Professional Engineer (PE) license or on track to obtain
• Experience working on complex commercial, higher education, and multi-family residential and civic projects
• Familiarity with California codes and local jurisdiction requirements
• Experience working with multi-disciplinary engineering teams
• LEED AP or sustainability credentials

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: $107,500 - $156,600

WSP USA is providing the compensation range that the company in good faith believes it might pay and/or offer for this position within the state of Colorado, based on the successful applicant's education, experience, knowledge, skills, and 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.

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