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

Leadership of the datacenter construction team is committed to offering every team member an opportunity to engage your core skills and knowledge, while helping each person develop new and valuable skills throughout the duration of the project.

The Mechanical Lead is responsible for managing and coordinating all mechanical systems across data center construction projects. This role ensures that mechanical infrastructure is designed, constructed, tested and delivered to meet performance requirements, redundancy targets, and long-term operational reliability.

This individual works cross-functionally with internal teams, external design partners, and construction stakeholders to translate design intent into successful project execution.

Responsibilities:

Manage the mechanical scope of work across all project phases including concept design, basis of design, detailed design, construction, and closeout.
Serve as the primary interface between internal teams and external mechanical engineering consultants
Coordinate with mechanical engineers and consultants on: cooling plant strategies, chilled water and/or refrigerant -based systems, CRAH/CRAC units and in-row cooling, pumping, piping, and heat rejection systems.
Review design deliverables for compliance with Owner standards, codes, constructability, and lifecycle considerations.
Serve as the Owner’s representative for all mechanical systems during construction.
Review and manage mechanical submittals, RFIs, change orders, and field clarifications.
Monitor contractor performance related to safety, quality, schedule, and cost.
Participate in site walks, inspections, and quality audits.
Validate mechanical pay applications and change order pricing.
Coordinate mechanical scope with electrical, structural, and commissioning teams to ensure seamless system integration
Support commissioning activities including test procedures, system validation, and turnover documentation
Support detailed project schedules with emphasis on mechanical milestones and long-lead equipment procurement.
Assist with mechanical cost estimating, budget management, and forecasting.
Identify technical, constructability, or procurement risks impacting mechanical scope and develop mitigation strategies.
Provide mentorship and technical guidance to project engineers.

Qualifications/Requirements

Bachelor’s degree in related field.
5–10+ years of experience in mechanical engineering, project engineering, or construction management
Strong knowledge of data center cooling systems and thermal management, hydronic systems, piping, pumping, HVAC controls and sequences of operations, and reliability best practices.