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Lead Mechanical Engineer (Mission Critical/Data Centers)

WSP
full-time
Tempe, AZ
Posted 3/26/2026
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Job Description

This Opportunity Great people. Great places. Great projects. kW Mission Critical Engineering, a WSP company, is a high-performance, fast-paced consulting engineering firm designing data centers and mission critical environments across the globe. We hire smart, responsive, team players to work in collaborative and mentoring office settings. Our mechanical, electrical, plumbing, fire protection, controls, telecommunications, and security building system designs keep many of the world’s top Fortune 100 financial, technology, enterprise, hyperscale, and colocation companies up and running 24 hours a day, 365 days a year.  We work on innovative, award-winning, large-scale projects. We travel to construction sites to see our designs being built. As part of WSP, we are able to offer our employees increased professional development and career opportunities in addition to kW MCE’s office culture which is consistently recognized as one of the “Best Places to Work.”  Join our great people at our great places designing great projects. kW Mission Critical Engineering, a member of WSP USA, is currently initiating a search for a Lead Mechanical Engineer for our Tempe, AZ offices. As a Lead Mechanical Engineer with us, you will design complex cooling and HVAC systems, including air distribution systems, chiller plants, and alternative energy solutions while leading projects and a team of mechanical engineers. Your Impact • Produce high quality technical and professional deliverables for projects and proposals  • Design complex and large air distribution (supply, return, exhaust) and hydronic systems (chilled water, heating water, etc.)  • Design Automatic building automation controls systems and specification for large air distribution and heat rejection systems  • Work within multi-discipline project teams to develop drawing and specification documents for issuance to architects, contractors and building owners • Attend client meetings and lead discussions • Communicate complex mechanical engineering concepts and decisions to clients and stakeholders • Directing complex mechanical engineering requirements and integrate into facility designs • Collaborate and coordinate with internal project discipline team members and external equipment vendors and manufacturers  • Act as the lead mechanical engineer on projects and direct the project team • Lead and mentor a team of engineers • Perform project management activities including writing proposals, establishing budgets, and managing client interactions • Coordinate activities concerned with technical development, scheduling, and resolving engineering design issues • Survey and evaluate existing conditions  • Perform construction administration • Exercise responsible and ethical decision-making regarding company funds, resources and conduct, and adhere to WSP’s Code of Conduct and related policies and procedures. • Perform additional responsibilities as required by business needs. Who You Are The ideal candidate is a technically sound mechanical engineer with the ability to lead and develop complex projects and foster the growth of junior engineers. Candidate has strong communication skills, and an interest in developing and maintaining relationships with internal and external design, client, and construction team members. Candidate is willing to travel to client sites. Required Qualifications • Bachelor’s Degree in Mechanical Engineering or Architectural Engineering with mechanical building systems emphasis • 7+ years of experience in designing mechanical systems for the high performing, commercial, industrial or mission critical/data center buildings • Experience mentoring and training others in field • Strong verbal and written communication skills • Ability to interact well with others as well as develop and contribute to high quality technical and professional deliverables on projects and proposals • Strong working knowledge of mechanical systems and codes • Proven track record of upholding workplace safety and ability to abide by WSP’s health, safety and drug/alcohol and harassment policies • Must be flexible to a variety of schedules to meet business needs and able to prioritize responsibilities and quickly adapt to change in a pressure work environment • Occasional travel may be required depending on project-specific requirements Preferred Qualifications: • Registered Professional Engineer (PE) • Experience with the analysis of interior and exterior Computational Fluid Dynamics of airflow • Mission Critical/Data Center experience  • Experience with international projects and knowledge of international codes and standards

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