Meta is seeking an experienced Mechanical Engineer to join their onsite data center design team. This role is crucial for the foundation of Meta's software operations, focusing on designing and constructing Critical Facilities. The position requires extensive collaboration with multiple teams to ensure maximum efficiency and reliability of compute infrastructure. The ideal candidate will have 10+ years of experience in mission-critical building design, with deep knowledge of HVAC, plumbing, and fire protection systems. This full-time, onsite position offers competitive compensation including a base salary starting at $170,000, plus bonus and equity opportunities. The role combines technical expertise with project management, requiring strong communication skills and the ability to work with various stakeholders. The position offers the opportunity to work on cutting-edge data center technologies while contributing to Meta's infrastructure growth and innovation.