Senior Mechanical Engineer - Buildings

WSP in the U.S.; Irvine (CA); On-site; USD 107,500 - 156,600; Full time

Benefits offered by this job

Medical coverage

Dental and vision coverage

Retirement savings

Job summary

WSP in the U.S. is hiring a Senior Mechanical Engineer for its Property & Buildings team in Irvine, CA. This role involves mechanical engineering design across projects such as commercial, higher education, and civic works. Candidates should have 5+ years of experience, proficiency in tools like Revit and AutoCAD, and strong communication skills.

The position offers a range of benefits, including health coverage and paid leave. The expected salary is between $107,500 - $156,600, depending on experience and location.

Qualifications

• 5+ years of relevant experience in mechanical design for building systems.
• Experience supporting projects across commercial, higher education, and multi-family residential.
• Experience from design through construction.

Responsibilities

• Perform mechanical engineering design and technical delivery across diverse projects.
• Support design of HVAC, air distribution, hydronic, and building systems.
• Mentor junior staff and contribute to team development.

Skills

Mechanical design for building systems

Strong understanding of HVAC systems

Communication and collaboration skills

Proficiency with Revit

Proficiency with AutoCAD

Education

Bachelor’s Degree in Mechanical Engineering or Architectural Engineering

Tools

Revit

AutoCAD

Job description

Senior Mechanical Engineer – Property & Buildings

Irvine, CA

Overview

WSP is seeking a Senior Mechanical Engineer to join our Property & Buildings team in Irvine, CA. The role is ideal for a motivated engineer who brings experience across sectors, including commercial, higher education, multi‑family residential, and civic projects, and who wants to grow within a collaborative, design‑focused environment.

Responsibilities

• 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

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

Benefits

WSP provides a comprehensive suite of benefits focused on health and financial stability. Benefits include medical, dental, vision, disability and life coverage; retirement savings; paid sick leave; paid vacation and personal time; paid parental leave; and paid bereavement, voting, and naturalization leave.

Compensation

Expected Salary: $107,500 - $156,600. The range is based on location, experience, and other factors.

Equal‑Opportunity Employer

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.