Do you want to work with high-caliber professionals in a dynamic and growing company? Are you entrepreneurial, hard-working, and collegial? Join us at SB Energy, a leading infrastructure company backed by SoftBank Group and Ares Infrastructure, pairing cutting-edge innovation with best-in-class execution. Our mission is to deliver reliable and secure data center and power infrastructure to strengthen America's future.

Founded in 2019, SB Energy is a SoftBank Group company headquartered in Redwood City, California. In 2026, SoftBank Group and OpenAI announced a $1 billion investment to support SB Energy as their leading development and execution partner for data center campuses, while Ares Infrastructure continues its long-standing support of the company's growth. SB Energy develops, builds, owns, and operates some of the largest and most technically advanced energy and data center infrastructure projects in the United States. Since its founding, the company has rapidly grown into a top-tier integrated platform with more than 3 gigawatts (GW) in operation and a multi-GW pipeline of energy and data center infrastructure nationwide.

SB Energy also leverages a strong culture of innovation to identify and integrate new technologies into its projects, including its AI-based digital platform, delivering energy infrastructure that is local, reliable, and matched to load. We are building the energy and infrastructure future—today.

Come join us in accelerating the energy and infrastructure transition!

Basic Function

SB Energy is looking for a Director, Mechanical Engineering to be part of the Data Center team.

In this role, you will lead the design development of mechanical and plumbing systems for large-scale, mission-critical data center campuses. You will play a key role in establishing and evolving engineering standards, specifications, and design frameworks that enable scalable, efficient, and cost-effective procurement and delivery across a growing portfolio.

You will also lead and mentor a team of engineers, providing technical guidance, driving consistency in engineering practices, and supporting the development of high-performing talent across the organization.

Responsibilities

Lead the development and continuous improvement of mechanical and plumbing engineering standards, specifications, and design guidelines across data center projects
Drive innovation and standardization efforts by evaluating new technologies, materials, and vendor solutions to improve performance, reduce cost, and enhance scalability
Oversee technical review and approval of equipment submittals, ensuring alignment with company standards and coordination across disciplines
Partner with regional design and execution teams to capture lessons learned, evaluate deviations from Owner’s Project Requirements (OPR), and incorporate improvements into future designs
Develop and standardize mechanical and plumbing system sequences of operations (SOOs) in coordination with controls and automation teams
Lead value engineering efforts, providing recommendations that balance cost, constructability, reliability, and long-term operational performance
Create and implement tools, templates, and processes that improve engineering consistency, efficiency, and quality across projects
Establish and standardize commissioning requirements and documentation to support successful system startup and turnover
Collaborate closely with Operations teams to ensure designs support maintainability, reliability, and lifecycle performance
Support company sustainability goals by optimizing mechanical and plumbing system designs for efficiency and resource use
Provide technical oversight and guidance on system layouts, infrastructure planning, and integration within complex data center environments
Mentor and guide engineers, promoting best practices, technical consistency, and professional development across the team
Support cross-functional coordination with architecture, electrical, procurement, construction, and operations stakeholders throughout the project lifecycle