Senior Mechanical Engineer

TA Digital Group (TADG) builds complex mission critical environments and is seeking a Senior Mechanical Engineer to provide internal technical leadership and risk management support for data center developments. This role involves overseeing design consultants, ensuring mechanical designs meet requirements, and managing technical risk across projects.

Responsibilities:

• Serve as the internal mechanical subject matter expert supporting development, design, construction, and strategy teams across assigned projects
• Lead mechanical system strategy, including cooling architecture selection, redundancy philosophies, and scalability planning
• Support early-stage site evaluation with particular emphasis on water use, heat rejection strategies, and coordination with water authorities and utilities
• Lead or support client (tenant) mechanical programming efforts, including review of technical matrices, performance requirements, and basis-of-design documentation
• Oversee and technically manage external mechanical engineering consultants to ensure alignment with internal standards, tenant requirements, codes, and schedule
• Review mechanical designs at all phases, including chilled water systems, CRAH/CRAC strategies, heat rejection equipment, controls/BMS integration, and make-up water systems
• Review major mechanical equipment selections and submittals, ensuring suitability for hyperscale, AI, and high-density deployments
• Support both:
• • Turnkey projects: ensuring full mechanical system compliance through the data hall
• • Powered shell projects: ensuring base building infrastructure provides flexibility for future tenant build-outs
• Provide technical input to RFQs/RFPs, tenant proposals, and responses to client technical inquiries
• Contribute to platform standardization, including development of mechanical design standards and reference configurations
• Support construction and commissioning phases as required, including responses to RFIs and participation in startup or acceptance activities
• Represent the company in project meetings with internal stakeholders, consultants, utilities, and tenants
• Travel up to ~30% as required by project needs, with flexibility during early project phases

Requirements:

• Bachelor's degree in Mechanical Engineering or equivalent applicable professional experience
• 7+ years of experience in mechanical engineering, design management, or owner-side engineering roles
• Prior data center or mission-critical facilities experience required
• Demonstrated client-facing experience, including participation in technical workshops or programming sessions
• Experience overseeing third-party engineering firms and reviewing designs and equipment submittals
• Strong experience with air-cooled chiller systems required; exposure to liquid-to-chip or hybrid cooling solutions strongly preferred
• Ability to balance standardization with client-specific requirements in a fast-moving development environment
• Strong communication skills and ability to represent the company in client-facing settings
• Proficiency with Microsoft Office and Bluebeam
• Field or field-facing experience (construction support, commissioning, or startup) preferred