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Senior Mechanical Engineer; Mission Critical​/Data Center

Job in Herndon, Fairfax County, Virginia, 22070, USA
Listing for: WSP in the U.S.
Full Time position
Listed on 2026-05-16
Job specializations:
  • Engineering
    Mechanical Engineer, Engineering Design & Technologists, Building Services Engineer
Salary/Wage Range or Industry Benchmark: 100000 - 125000 USD Yearly USD 100000.00 125000.00 YEAR
Job Description & How to Apply Below
Position: Senior Mechanical Engineer (Mission Critical/Data Center)

Job Description

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 and travel to construction sites to see our designs being built. As part of WSP, we are able to offer employees increased professional development and career opportunities in addition to kW MCE’s office culture, which consistently receives recognition as one of the “Best Places to Work.” Join our great people at great places designing great projects.

This

Opportunity

kW Mission Critical Engineering, a member of WSP USA, is currently searching for a Senior Mechanical Engineer to support our Herndon, VA office.

Your Impact
  • Independently support the project team during design and construction stages
  • Design air distribution, hydronic and automated temperature control systems
  • Integrate complex mechanical engineering requirements into facility designs
  • Work within multi‑discipline project teams to develop drawings and specification documents for issuance to architects, contractors and building owners
  • Attend client meetings and contribute to discussions
  • Collaborate and coordinate with internal project discipline team members and external vendors and manufacturers
  • Communicate mechanical engineering concepts and decisions to clients and stakeholders
  • Interact regularly with clients, maintaining current relationships and developing new ones
  • Mentor and train junior engineers
  • Track and coordinate all mechanical disciplines: HVAC, Energy, Controls, Fire Protection, Fire Alarm, Plumbing, Fuel Oil Storage / Management / Distribution
  • Provide oversight of all aspects of mechanical design, reviewing systems and drawings prior to issuance
  • Participate in Computational Fluid Dynamics (CFD) and Transient Analysis evaluations for existing and new facilities, both internal and external
  • Select and schedule major equipment – e.g., air handlers, water chillers, fans, pumps, heat exchangers, fan walls, CRAHs, cooling distribution units, fluid‑flow controls, water treatment, etc.
  • Develop project specifications in GIS format, divisions 23, 22, and 25
  • Survey and evaluate existing conditions
  • Perform construction administration tasks, e.g., review of contractor submittals, respond to contractor RFIs, and conduct construction site visits
  • Conduct engineering analysis and feasibility assessments for existing and proposed facilities
  • Prepare and present engineering and technical reports
  • 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 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 Qualifications
  • Bachelor’s degree in Mechanical Engineering or Architectural Engineering with mechanical building systems emphasis
  • 5+ years of experience designing mechanical systems for high‑performing, commercial, industrial or mission‑critical/data center buildings
  • Excellent interpersonal, teamwork, and written and verbal communication skills
  • Proficiency with applicable software including AutoCAD, Revit, Carrier HAP, Trane Trace, Pipeflo and other engineering applications
  • Working knowledge of building, mechanical and energy codes and standards
  • 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…
Position Requirements
10+ Years work experience
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