Senior Mechanical Engineer, NY

Ehvert Mission Critical, a business unit within Salas O’Brien has an opening for a Senior Mechanical Engineer to join our team in New York. We are seeking an accomplished Senior Mechanical Engineer to join our mission-critical data center engineering team. In this role, you will provide technical and client leadership on the design, modeling, and coordination of complex mechanical systems for hyperscale and AI-driven data centers across the United States. Your expertise will span HVAC, piping, plumbing, cooling towers, chilled water systems, boilers, and other high-performance infrastructure supporting the world’s leading technology clients. As a senior leader on our team, you will oversee all phases of mechanical engineering design and execution - from advanced calculations and technical documentation, to BIM coordination, project delivery, and direct client engagement. You will guide and mentor junior engineers, represent the firm in client meetings, and drive collaboration with architects, consultants, and contractors to ensure exceptional project outcomes. This role requires multiple active Professional Engineer (PE) licenses across U.S. states, strong client-facing skills, and the flexibility to travel frequently to project sites nationwide. Candidates with proven leadership experience in mission-critical or large-scale industrial projects will excel in this role. If you are a seasoned engineer who thrives in high-profile, fast-paced environments and enjoys leading teams to deliver world-class, energy-efficient facilities, this is a unique opportunity to shape the future of hyperscale and AI data center design. What We Offer: Experience in a high-tech industry within an international company Unique, cutting-edge data center projects Comprehensive training and professional development opportunities Supportive management and a dynamic team environment Career growth potential Competitive salary Competitive benefits package: Health insurance (Medical, HSA & FSA, Dental, Vision), Life insurance, Short-term and long-term disability, many other benefits, including PTO. Opportunity to participate in company’s retirement plan Stock ownership / synthetic equity options What You Will Do: Lead mechanical engineering design activities and serve as the primary point of contact for major U.S. data center projects. Direct and oversee the design, modeling, and simulation of mechanical systems for hyperscale and AI-driven facilities, including HVAC, piping, plumbing, cooling towers, chilled water systems, and boilers. Supervise and mentor project engineers, providing technical guidance and ensuring quality across all project deliverables. Engage directly with clients, presenting design solutions, addressing technical challenges, and maintaining strong relationships. Prepare and review advanced engineering calculations, specifications, and detailed mechanical drawings. Champion the design of highly energy-efficient and sustainable systems aligned with client and industry standards. Lead BIM coordination with architects and engineers, resolving complex technical conflicts. Oversee construction administration, including the review of shop drawings, site visits, and compliance with safety standards and engineering codes. Ensure project requirements are consistently met in terms of scope, cost, and schedule. Utilize BIM and VDC tools for virtual construction and interdisciplinary coordination. Conduct site visits to monitor construction progress, ensuring quality and adherence to design intent. Promote the adoption of innovative technologies such as laser scanning for documentation and digital twins for facility operations. What We Expect: Bachelor’s or Master’s degree in Mechanical Engineering from a recognized university. 10–20+ years of progressively responsible mechanical engineering experience, with significant exposure to mission-critical, data center, or large- scale industrial projects. Demonstrated success in leading engineering teams, coordinating with multidisciplinary stakeholders, and delivering projects from concept through construction. Proficiency in BIM software (Autodesk Revit), CAD tools, and Computational Fluid Dynamics (CFD) software. Strong understanding of advanced mechanical manufacturing processes and sustainable design practices. In-depth knowledge of U.S. mechanical codes, safety standards, and industry best practices. Exceptional communication and leadership skills, with the ability to present confidently to clients and executive stakeholders. Proven project management abilities, including oversight of budgets, schedules, and on-site construction activities. Active PE licenses in multiple U.S. states (Texas, Virginia, California, Colorado preferred but other states are a plus too); ability to secure reciprocity in additional states as required. Strong client leadership skills with the ability to represent the firm in high-level project and business development discussions. Willingness to travel frequently to client sites nationwide. Ability to work independently as well as within collaborative, cross-functional teams. Authorization to work in the United States. Why Join Us? Work on cutting-edge data center projects in a fast-growing industry. Opportunity to collaborate with industry-leading professionals and firms. Competitive salary, benefits, and career growth opportunities. Dynamic environment fostering creativity through exposure to diverse technologies and experiences. This ranges from designing energy-efficient facilities, site supervision for multi-million-dollar facilities, to the production of digital twins, drawings, three-dimensional building modeling, computational fluid dynamics, and the development of custom controls software. Ehvert Mission Critical specializes in the design and construction management of data centers. We are a business unit within Salas O’Brien - a 4,000-person engineering and professional services firm, widely recognized for its extensive expertise and impressive project portfolio. With more than 10,000 projects annually and 100 offices across North America, Salas O'Brien is ranked #39 on Engineering News-Record’s 2024 Top 500 Design Firms list. Ehvert Mission Critical, a business unit within Salas O’Brien is an industry leader in data center facility engineering, specializing in hyperscale and AI data centers, designing massive data centers for global tech giants like Microsoft, Uber, Oracle, and Amazon. Our projects involve complex electrical, mechanical, automation, and security systems necessary to power, cool, and secure these high-demand facilities, often exceeding loads of 100 MW per facility and up to 500 MW per site. We are recognized for our advanced engineering and construction techniques, including Building Information Modeling (BIM), Virtual Design and Construction (VDC), and augmented reality. How to Apply: Interested candidates should submit their resume detailing their relevant experience. Join our team at Ehvert Mission Critical, a business unit within Salas O’Brien, and help us achieve our international engineering goals! For more information, visit and Salas O'Brien