Senior Electrical Construction Estimator - Data Centers

Role Overview OpenAI is hiring a Data Center Infrastructure Electrical Engineer in San Francisco. This position focuses on designing and implementing electrical systems for data centers, with an emphasis on performance and reliability. What You Will Do Design and implement electrical infrastructure for data centers Work closely with cross-functional teams on projects that support OpenAI’s mission Help ensure data center systems run reliably and efficiently Location This role is based in San Francisco.

Join Fluidstack: Pioneering the Future of IntelligenceAt Fluidstack, we are dedicated to constructing the framework for abundant intelligence. Collaborating with elite AI laboratories, governmental bodies, and enterprises—including Mistral, Poolside, Black Forest Labs, and Meta—we aim to provide computing resources at unparalleled speeds.Our mission is to expedite the realization of Artificial General Intelligence (AGI). Our team is driven, passionate, and committed to delivering top-tier infrastructure solutions. We view our clients' success as our own, taking immense pride in the systems we create and the trust we cultivate. If you are purpose-driven, excellence-obsessed, and eager to work diligently to advance the future of intelligence, we invite you to join us in shaping what comes next.Role OverviewAs a Data Center Infrastructure Architect (Optical), you will play a crucial role in transforming logical network designs into scalable, resilient, and cost-effective optical and structured cabling frameworks tailored for hyper-scale data centers. This position encompasses the complete physical execution of the data center network (DCN), including fiber plant architecture, transceiver planning, and integration with structured cabling systems.Key ResponsibilitiesLogical / Physical Mapping:Deconstruct DCN logical port maps (TOR, spine, super-spine, DCI) into physical cross-connect and patching schedules.Automate port-to-fiber mapping at scale (100K+ ports per site).Fiber Plant Design:Specify cassette types (MTP/MPO Base-8/12/16), trunk counts, and structured cabling hierarchy.Plan cassette positioning within racks, rows, and meet-me-rooms.Model fiber utilization and overbuild for 2–3 hardware generations.Optics / Transceiver Planning:Choose optics (400G/800G DR4, FR4, LR4, SR8, coherent DCI) based on reach and loss budget.Ensure interoperability across various vendors and product generations.Maintain loss budget and margin models for every link type.Structured Cabling & Physical Implementation:Define patching architectures (direct MPO vs. breakout vs. mid-span).Ensure pathways (ladder racks, underfloor, ODFs) are designed to scale with fiber density.Establish standards for installation practices and documentation.

OpenAI seeks a Data Center Infrastructure Engineering Program Manager to focus on network and whitespace projects. This position is located in San Francisco. Role overview This role manages the planning and delivery of infrastructure projects that support OpenAI’s AI systems. The work centers on both network operations and whitespace management within data centers. What you will do Lead the planning, execution, and completion of infrastructure projects critical to OpenAI’s technology. Coordinate with teams across disciplines to align on project milestones and address obstacles as they arise. Identify and implement ways to improve operational efficiency in data center network and whitespace functions. Help monitor and maintain dependable network performance within the data center setting. Location This role is based in San Francisco.

Role Overview OpenAI is hiring a Data Center Infrastructure Mechanical Engineer in San Francisco. This role focuses on designing and improving mechanical systems for data centers that power advanced AI technologies. The work centers on developing efficient and sustainable cooling solutions to support high-performance computing environments.

Join Cloudflare as a Data Center Infrastructure Management (DCIM) Administrator within our Infrastructure Operations team. In this role, you will be responsible for overseeing the effective management of our data center infrastructure, ensuring optimal performance and reliability.As part of a dynamic team, you will engage in monitoring, reporting, and optimizing data center operations, collaborating with cross-functional teams to enhance operational efficiency.

Join sia as an Infrastructure Data Center Compliance Consultant, where you will play a critical role in ensuring compliance and operational excellence within our data centers. You will work closely with cross-functional teams to implement best practices and maintain high standards of data center operations.

CoreWeave is The Essential Cloud for AI™. Established by innovators for innovators, CoreWeave offers a robust platform of technology, tools, and dedicated teams aimed at empowering visionaries to confidently develop and scale AI applications. With a reputation built on trust from leading AI labs, startups, and global corporations, CoreWeave merges exceptional infrastructure performance with profound technical know-how to expedite innovations and transform computing capabilities. Founded in 2017, CoreWeave became publicly traded on Nasdaq under the ticker CRWV in March 2025. Discover more at www.coreweave.com.What You’ll Do:Join our Data Center Facilities team, a pivotal force in the transition to the Intelligence Age. We are revolutionizing the physical infrastructure to meet the extraordinary power and thermal requirements of state-of-the-art AI hardware, including NVIDIA’s H100 and Blackwell architectures. As a part of this dynamic and cross-functional group of technical experts, you will tackle intricate infrastructure challenges, from adapting suites for 80kW+ per-rack densities to implementing cutting-edge liquid cooling systems. Your collaboration with MEP consultants and operational stakeholders will drive multi-million-dollar retrofits, ensuring our infrastructure is a facilitator of global AI aspirations rather than a hindrance. We pride ourselves on technical accuracy and mission-critical reliability, laying the groundwork for the next computing era.About the Role:As the Senior Data Center Augmentation Engineer, you will bridge the gap between our existing infrastructure and the future of AI. You will spearhead engineering initiatives to enhance, expand, and optimize our data center capabilities to support high-density AI workloads. This role transcends mere maintenance; it involves re-engineering the power and cooling systems to accommodate the next generation of computational technology.Who You Are:Expansion Coordination: You will lead the technical planning and execution of data center augmentations and retrofits, focusing on accommodating additional loads in existing spaces.High-Density Design: Collaborate with the design and capacity teams to create innovative solutions.

About Giga EnergyAt Giga Energy, we are pioneering the development, construction, and operation of AI-driven energy infrastructure that powers the contemporary world. Our mission is to revolutionize the energy infrastructure experience for the better. By integrating site origination, development, infrastructure manufacturing, and power market engagement under a single operating system, we ensure efficiency and speed in project delivery. Established in Texas, Giga collaborates with AI hyperscalers, data center operators, and various energy infrastructure teams to accelerate project timelines.Why Join UsThe Pace: You will take the lead on projects progressing at an unmatched speed across the industry.The Impact: You will be the catalyst that transforms ideas into tangible contracts and permits.The Team: Collaborate with an elite team of engineers and builders who are shaping the future of AI infrastructure.Key ResponsibilitiesThe expansion of AI infrastructure represents one of the most significant capital deployment cycles of our time, and Giga Energy is at the forefront of this movement. We design and manufacture AI power infrastructure with industry-leading lead times, having successfully delivered 4.5 GW to date. Our comprehensive product offerings include cooling solutions, transformers, and switchboards specifically designed for high-density GPU clusters. We provide end-to-end site origination and development, complemented by a fully managed hosting model that enables clients to scale GPU clusters without the burdens of full development or construction. All operations are handled in-house from our facilities in Long Beach, CA, and Houston, TX, ensuring faster lead times and predictable pricing that mitigates supply chain risks for critical AI initiatives.As the Director of Data Center Solutions, you will be responsible for executing Giga's strategy to become the go-to partner for AI infrastructure, site development, and colocation services for the largest hyperscalers, GPU cloud providers, and enterprise AI operators. This role is pivotal in driving market presence rather than just managing relationships. You will leverage Giga's full suite of solutions, from turnkey, rack-ready sites with direct fiber and on-site power to flexible hosting models tailored to site specifications, alongside prefabricated modular deployments engineered for high-density compute. You will lead a high-performing team of business professionals to achieve these goals.

Join our dynamic team as an Infrastructure Data Center Consultant on a 12-month contract basis. In this pivotal role, you will leverage your expertise in data center infrastructure to deliver exceptional solutions that enhance our operational efficiency. Collaborate with cross-functional teams to implement innovative strategies, troubleshoot issues, and optimize performance. Your contributions will be vital in ensuring the success of our data center initiatives.

Role Overview Turner Townsend is hiring a Senior Electrical Cost Estimator for data center construction projects in San Francisco. This position focuses on producing accurate electrical cost estimates to support project delivery and budget compliance. What You Will Do Prepare detailed electrical cost estimates for large-scale data center construction projects Work closely with project managers, engineers, and other stakeholders to gather information and ensure estimates reflect project requirements Contribute to budgeting and planning efforts, helping projects stay on schedule and within financial targets Support the execution of projects where precision and attention to detail are critical What We Look For Experience estimating electrical costs for construction projects, ideally with data centers or similar large-scale facilities Strong collaboration skills and the ability to communicate clearly with technical and non-technical team members Attention to detail and a commitment to accuracy in all aspects of cost estimation

Role overview Turner Townsend is hiring an Electrical Cost Estimator to join its data center construction team in San Francisco. This role helps keep complex projects on track, focusing on accurate budgeting and timely delivery. What you will do Collaborate with project managers and engineers to create detailed cost estimates for electrical systems Contribute to planning and budgeting for data center builds Monitor and support cost efficiency during all phases of project delivery Location This position is based in San Francisco.

Join Cloudflare as a Data Center DCIM Program Lead in our Infrastructure Operations team, where you will play a pivotal role in optimizing our data center operations. This position offers an exciting opportunity to lead the implementation of Data Center Infrastructure Management (DCIM) programs, ensuring our data centers operate at peak efficiency.

Are you ready to join a team of exceptional professionals at a thriving and innovative company? If you are entrepreneurial, driven, and collaborative, SB Energy is the place for you. Backed by SoftBank and Ares, we combine cutting-edge innovation with superior execution to fulfill our mission of delivering reliable and affordable energy at scale to meet America’s increasing energy needs.Based in Redwood City, CA, SB Energy develops, constructs, owns, and operates some of the largest and most advanced energy and data center infrastructure projects across the nation. Since our inception in 2019, we have quickly ascended to a premier integrated platform, with over 3 gigawatts (GW) operational and a multi-GW pipeline of energy and data center infrastructure projects nationwide. Our culture of innovation empowers us to leverage new technologies, including our AI-driven digital platform, to create energy infrastructures that are reliable and tailored to local demands. Join us in shaping the energy and technology landscape of tomorrow!We invite you to be part of our journey toward a cleaner, more sustainable energy future!Position: Manager, Water Infrastructure Program - Data CentersBasic Function:The Water Program Manager will lead the acquisition of water and wastewater services for SB Energy’s GW-scale AI data center complexes across the U.S., initially reporting to the Vice President of Development & Origination.Key Responsibilities:Secure optimized water and wastewater services and infrastructure for SB Energy's AI data centers.Develop and maintain strong partnerships with water and wastewater providers.Collaborate with water providers to negotiate contracts, obtain permits, and manage construction of water and wastewater infrastructure.Engage with hyperscaler customers on water and wastewater specifications, ensuring alignment with their technical requirements.Stay informed on market developments related to water and wastewater, including emerging technologies and best practices.Recruit and supervise water and wastewater engineering consultants as necessary to support project goals.Work closely with cross-functional teams including Development, Origination, Engineering, and Projects.

Join our innovative team at alljoined as a Data Infrastructure Engineer where you will play a pivotal role in shaping our data architecture and ensuring the reliability and efficiency of our data systems. You will collaborate with cross-functional teams to design and implement scalable data solutions that empower data-driven decision-making.

Join Anthropic as a Data Center Design Execution Lead, where you will play a pivotal role in spearheading the design and implementation of cutting-edge data center projects. Your expertise will help shape the infrastructure that supports our innovative AI development. We are looking for a proactive leader who thrives in a fast-paced environment and is passionate about delivering high-quality solutions.

Join our innovative team at DigitalOcean as a Senior Data Center Engineer II. In this pivotal role, you will be responsible for designing, implementing, and maintaining our cutting-edge data center infrastructure. Your expertise will drive improvements in efficiency and reliability while leading initiatives to optimize operations.The ideal candidate will possess strong technical skills, a passion for problem-solving, and a commitment to excellence in a fast-paced environment. You will collaborate with cross-functional teams to ensure our systems meet the highest standards of performance and security.

At Peregrine Technologies, a company backed by top-tier Silicon Valley investors, we empower public safety organizations, state and local governments, federal agencies, and private-sector entities to tackle societal challenges with unparalleled speed and precision. Our cutting-edge AI-enabled platform transforms fragmented and isolated data into actionable operational intelligence, delivering crucial insights that enhance decision-making processes and improve outcomes across various scenarios. Currently, we proudly serve hundreds of clients across over 30 states and two countries, impacting more than 125 million lives, and we are poised for further growth as we expand into the enterprise sector and international markets.TeamWe believe that empathy is key to enhancing our solutions. Our engineering team prioritizes understanding how users interact with our products, which guides us in finding the best solutions. You'll have the chance to collaborate closely with our onsite team to explore the diverse use cases that Peregrine addresses.We value both ownership and teamwork. In this role, you will be responsible for significant features while working alongside fellow engineers to bring them to fruition. We hold humility and empathy in high regard as essential traits for crafting effective solutions, and you will engage directly with our deployment team and users to iterate on problem-solving. Creativity and resilience are vital as we pursue our vision.RoleWe are in search of a Staff Data Infrastructure Engineer to join our dynamic team. In this role, you will take full ownership of the data layer that is foundational to all of Peregrine's operations. You will design and construct the systems responsible for ingesting, storing, and serving vast amounts of real-time operational data, empowering our clients to make critical decisions quickly and confidently.This senior individual contributor position is ideal for someone who excels at tackling complex technical challenges and possesses the experience and judgement necessary to influence key infrastructure decisions. You will engage with a variety of intricate challenges, including:Designing and managing a high-throughput, real-time data integration platform across diverse customer environments.Architecting a scalable open table format layer to ensure reliable data storage at petabyte scale.Building and optimizing distributed data processing pipelines using Apache Spark and related streaming technologies.Enhancing performance, reliability, and cost efficiency across the entire data infrastructure stack.Collaborating with platform and product engineering teams to define data contracts, schemas, and integration pathways.

The Bot CompanyAt The Bot Company, we are on a mission to create an innovative robot that enhances everyday life in homes everywhere.Located in the heart of San Francisco, our compact team comprises talented engineers, designers, and operators hailing from esteemed organizations such as Tesla, Cruise, OpenAI, Google, and Pixar. With a track record of delivering exceptional products to hundreds of millions of users, we understand the intricacies involved in crafting remarkable experiences.Our intentionally lean structure fosters swift decision-making while eliminating unnecessary bureaucracy. Each team member operates as an individual contributor, endowed with substantial autonomy, ownership, and accountability. We thrive on a culture of rapid iteration and efficient execution, working collaboratively across the technology stack.

Position OverviewJoin OpenEvidence as a Data Infrastructure Software Engineer, where you will engineer comprehensive systems that drive essential product and research operations. Your focus will be on optimizing performance, ensuring scalability, and enhancing accuracy, while enjoying the autonomy to manage the infrastructure that assists healthcare professionals in navigating complex clinical decisions in real-time.We value exceptional creators who thrive in versatile roles. Our engineers engage across various products and projects, taking ownership wherever they can make the most significant impact.About OpenEvidenceOpenEvidence is the leading medical AI platform globally, utilized by over 40% of clinicians in the U.S. in just over a year through organic product-led growth. As a $12 billion company, our engineering team comprises 30 talented individuals from MIT, Harvard, and Stanford. We believe that groundbreaking products are born from a small group of exceptional builders, driven by focused goals and empowered to take ownership and act swiftly. We are expanding our team to capitalize on an unparalleled opportunity to set the standard for medical AI platforms.If you are a top-tier engineer or scientist eager to push the boundaries and achieve tangible outcomes that affect millions of lives, we want to connect with you.Our CultureWe expect our work to be performed at an elite level. The journey from concept to execution and scaling is akin to a professional sport, where excellence is non-negotiable. We believe that the creation of innovative technologies is only achievable through complete ownership. Significant achievements happen when individuals take the initiative to see them through.Your ProfileThis role is not for those seeking a 9-to-5 job or merely looking to write papers. If you are ready to dive into the trenches, tackle challenges head-on, and create something from scratch that could impact millions and drive substantial revenue, you might be the perfect fit.We seek brilliant builders who are intelligent, ambitious, resourceful, self-reliant, detail-oriented, driven, hardworking, and humble. Does this sound rare? It is, as we have only found 30 of them so far, and we are eager to discover more.