Senior Mechanical Engineer (Mission Critical/Data Center)

Job-ID: 92894Category: EngineeringLocation: Tempe, AZ, United StatesPosted: 2026-08-10Great 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. This OpportunitykW Mission Critical Engineering, a member of WSP USA, is currently initiating a search for a Senior Mechanical Engineer for our Tempe, AZ office.As a Senior Mechanical Engineer with us, you will design complex cooling and HVAC systems including air distribution systems, chiller plants, and alternative energy solutions for mission critical facilities. Your ImpactIndependently support the project team during design and construction stages of projects Design air distribution, hydronic and automated temperature controls systems Integrate complex mechanical engineering requirements into facility designs Work within multi-discipline project teams to develop drawing and specification documents for issuance to architects, contractors and building ownersAttend client meetings and contribute to discussionsCollaborate and coordinate with internal project discipline team members and external vendors and manufacturers Communicate mechanical engineering concepts and decisions to clients and stakeholdersInteract regularly with clients, which includes maintaining current relationships and developing new relationships Mentor and train junior engineersTrack and coordinate all mechanical disciplines: HVAC, Energy, Controls, Fire Protection, Fire Alarm, Plumbing, Fuel Oil Storage / Management / DistributionProvide oversight of all aspects of mechanical design, review systems, drawings prior to issuance Perform Computational Fluid Dynamic (CFD) evaluations for existing and new facilities, both internal and externalSelect and schedule major equipment Develop project specifications Survey and evaluate existing conditions Perform construction administration tasks 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 AreThe ideal candidate has familiarity with Building Information Modeling using Revit, has strong communication skills, and an interest in liaising with internal and external design, client, and construction team members. Candidate should be willing to travel to client sites. Required QualificationsBachelor’s degree in Mechanical Engineering or Architectural Engineering with mechanical building systems emphasis 5+ years of experience in designing mechanical systems for the high performing, commercial, industrial or mission critical/data center buildingsExcellent interpersonal skills, teamwork, and written and verbal communication skills Proficiency with applicable software including AutoCAD, Revit, Trane Trace and PipeflowKnowledge of building, mechanical and energy codes Proven track record of upholding workplace safety and ability to abide by WSP’s health, safety and drug/alcohol and harassment policies.Ability to work schedules conducive to project-specific requirements that may extend beyond the typical workweek.Occasional travel may be required depending on project-specific requirements.Preferred Qualifications EIT or Registered Professional Engineer (PE), if eligibleExperience with the analysis and modeling of interior and exterior Computational Fluid Dynamics of airflowMission Critical/Data Center experienceExperience with international projects #LI-GA1About 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.