Backend Engineer for Data Centers

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.

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 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.

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.

Role overview The Data Center Controls Network Engineer at OpenAI works to ensure the reliability and efficiency of data center operations in San Francisco. This position centers on supporting and refining the systems that form the backbone of the company's infrastructure. Main responsibilities Maintain and optimize technology critical to data center operations Manage systems that support core infrastructure Work to improve reliability and efficiency across data center controls Location This role is based in San Francisco.

CoreWeave specializes in cloud infrastructure for artificial intelligence, serving a range of clients from AI research labs to global enterprises. The company is listed on Nasdaq as CRWV. More information is available at www.coreweave.com. Role overview The Senior Data Center Security Site Evaluation Program Manager plays a key role in evaluating and managing security risks when selecting new data center sites. This position reports directly to the Senior Manager of Data Center Risk and Assurance. What you will do Lead security risk assessments for potential data center locations. Collaborate with Site Selection, Legal, and Security Design teams to ensure each site meets CoreWeave’s security and contractual requirements. Collaboration This role works closely with multiple internal teams to maintain high security standards during the expansion of CoreWeave’s data center footprint.

About Montera:At Montera, we are at the forefront of digital infrastructure innovation. With a strong foundation backed by $1.5 billion from Stonepeak, we are on a mission to design and operate hyperscale data centers that are essential to the technology of tomorrow. Our vision is to create strategically located data centers that prioritize speed, reliability, and scalability. With decades of expertise in design, construction, and operations, we don't just build—we execute with intent.Our Core ValuesClient-Centric Approach: We align every solution with our clients’ objectives.Swift and Certain: We value speed and deliver with urgency and accuracy.Operational Excellence: Our extensive experience informs our high standards.Safety and Integrity: Our commitment to safety is unwavering, and we operate with transparency.Ownership Mindset: We approach our work as if we are the owners.The OpportunityAs the Director of Data Center Program Controls, you will spearhead the strategic development and execution of Montera’s program controls function, overseeing a national portfolio of hyperscale data center projects in premier markets across the United States and selected locations in Canada. This program encompasses one to three facilities per campus, each with IT capacities ranging from 50 MW to over 300 MW.Reporting directly to the Chief Development Officer (CDO), you will be tasked with designing, implementing, and managing a cohesive program controls framework that ensures predictable outcomes related to cost, schedule, risk, and overall commercial performance. Your role will involve establishing standardized processes, systems, and performance metrics that facilitate informed decision-making and proactive project management throughout the entire lifecycle—from preconstruction and investment analysis to project conclusion.This position demands a strategic mindset coupled with hands-on leadership to manage an extensive planned program of 1.5–2.5 GW IT capacity across multiple hyperscale campuses, promoting transparency, accountability, and continuous improvement within the development and delivery teams.Key Responsibilities:Develop and expand a comprehensive, repeatable program controls framework that covers preconstruction, cost management, scheduling, risk assessment, change management, and contract administration.Collaborate with the Chief Development Officer and executive leadership to ensure alignment of the program controls strategy with corporate growth, capital allocation, and risk management objectives.Establish governance structures, reporting schedules, and escalation procedures to enhance program oversight.

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.

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.

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.

DigitalOcean builds cloud infrastructure designed to balance scalability with ease of use. The company values teamwork, shared achievement, and a culture where learning and meaningful work go hand in hand. Based in San Francisco, this position plays a key part in shaping the future of cloud networking for a global developer community. Role overview The Senior Manager of Network Engineering leads a team responsible for advancing DigitalOcean’s datacenter network infrastructure. Reporting to the Director of Network Infrastructure Engineering, this leader manages daily network operations and drives ongoing improvements in systems and processes. What you will do Support team growth, manage performance, and foster an inclusive, collaborative environment. Collaborate with technical teams to design new network architectures. Work with senior leadership to develop multi-year technology roadmaps. Identify and resolve challenges that impact team productivity and project outcomes. Update and improve tools used for managing the network equipment lifecycle.

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.

At Meter, we are revolutionizing networking on all fronts—hardware, software, and operations—to empower enterprises with networks that are not only fast, secure, and reliable but also evolve seamlessly.Our upcoming focus on data centers marks the next phase in Meter's product evolution. Having established a solid foundation in delivering enterprise and campus networks, we are now set to enhance our clients' capabilities in data management within their data centers.Data centers play a pivotal role in our digital ecosystem. They are essential for processing, storing, and transferring data, supporting everything from public internet traffic to private cloud operations and the training of AI models. As global investments in data centers are projected to reach $3 trillion between 2025 and 2029, our role in this sector is more critical than ever.

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.

About CoreWeave:CoreWeave stands as The Essential Cloud for AI™, specifically crafted by pioneers for pioneers. Our powerful platform equips innovators with cutting-edge technology, essential tools, and unparalleled support, enabling them to build and scale AI solutions confidently. Trusted by top AI research labs, emerging startups, and global enterprises, we merge advanced infrastructure performance with extensive technical knowledge to drive breakthroughs and transform computational capabilities. Since our founding in 2017, we have become a publicly traded entity (Nasdaq: CRWV) as of March 2025. To learn more, visit www.coreweave.com.Your Role:Join our DC Program and Cost Management team, the powerhouse behind operational planning for all data center projects. As a Data Center Operations Cost Manager, you will take charge of the entire cost management lifecycle, from initial feasibility studies to final project closeout. Your main duties will include:Leading pre-construction budgeting and detailed cost modeling to maximize capital efficiency.Implementing and enforcing financial controls alongside leadership reporting mechanisms.Developing and maintaining comprehensive program-level cost forecasts across various projects and regions.Providing detailed cost estimates and commercial risk assessments to guide location strategy and investment decisions.Benchmarking construction costs, escalation trends, and market rates across different regions to keep our cost intelligence sharp.Managing both internal cost control resources and external cost consultants to ensure consistency and excellence in execution.Who You Are:7+ years of experience in cost management, including construction cost planning and analysis.5+ years of direct experience in data center deployment, infrastructure project implementation, or cost management within data center environments.Demonstrated expertise in financial forecasting and budget management.

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.

Decagon is seeking an Engineering Manager to lead its AI & Data Infrastructure team in San Francisco. This role centers on guiding engineers as they develop AI solutions and robust data frameworks to advance Decagon’s technology roadmap. Role overview The Engineering Manager will oversee a team dedicated to AI and data infrastructure initiatives. The position involves hands-on leadership, ensuring projects move forward and align with company objectives. What you will do Lead and mentor engineers working on AI and data infrastructure projects Drive project execution to enhance product capabilities Foster a collaborative and supportive team environment Oversee strategic planning and allocate resources for the team Manage team performance and encourage professional growth Requirements Experience leading technical teams in AI and data infrastructure Strong leadership and clear communication abilities Skill in strategic planning and resource management Dedication to building technology solutions that make a difference This position offers the chance to shape Decagon’s products and technology direction through AI and data-driven work.