Senior Data Engineer

About the Position Jane Street is seeking a skilled Senior Data Center Engineer to ensure the integrity and accessibility of our data 24/7. This role combines hands-on activities at our data and colocation centers with strategic project management and process improvements. Your primary responsibilities will include designing, constructing, scaling, and maintaining our regional data and colocation centers. You will have the opportunity to collaborate with a diverse group of talented professionals across various departments to enhance our data environments and proactively mitigate issues. You will be part of an interdisciplinary team that includes members from Network, Server, Facilities Engineering, Market Data, and Trading, as well as external data center operators and service providers. Together, you will: Develop deployment plans for new equipment based on data center best practices Manage logistical operations across multiple locations, including procurement, shipping, and inventory management of equipment and cabling Install and configure server operating systems in a PXE environment; fundamental Linux knowledge is required for network equipment deployment Install, cable, configure, and troubleshoot various network and server equipment Maintain the highest standards of security, organization, documentation, safety, cleanliness, and supply management across our data centers This position requires on-site services essential to our daily operations in New York and will also influence our remote operations throughout the Americas. Frequent travel between the data center and colocation centers will be necessary.

Join our dynamic team at Ramboll as a Senior Mechanical Design Engineer focused on designing cutting-edge solutions for data center facilities. In this role, you will leverage your expertise to deliver innovative mechanical designs that optimize performance and efficiency in large-scale data center environments.

We are seeking a highly skilled Data Center Network Engineer to join our dynamic team in Bethpage, NY. In this role, you will be responsible for designing, implementing, and managing network solutions within our data centers. Your expertise will be pivotal in ensuring the reliability, performance, and security of our network infrastructure.As a Data Center Network Engineer, you will collaborate with cross-functional teams to align network strategies with organizational goals, troubleshoot complex network issues, and optimize existing systems for enhanced efficiency. This is an excellent opportunity for a motivated professional looking to advance their career in a fast-paced environment.

Join our dynamic team at Ramboll as a Mechanical Engineer specializing in Data Center Facilities. In this pivotal role, you will be responsible for designing, analyzing, and enhancing mechanical systems that ensure optimal performance in data centers. Your expertise will contribute to our mission of delivering sustainable and efficient solutions.

About the RoleJane Street is seeking a skilled and experienced Data Center Mechanical Engineer to revolutionize our cooling strategies for data centers that underpin our trading operations. This pivotal role is essential for maintaining the performance and efficiency of our critical infrastructure.The ideal candidate will possess a comprehensive understanding of the entire data center infrastructure, including design, construction, and operational use, especially for high-demand AI workloads. While hands-on tasks such as racking and stacking won’t be your primary focus, a solid grasp of the various functions within the facility—from power and cooling distribution to chip-level operations—is necessary. You will play a vital role in shaping and supporting the management and monitoring of the thermal environment.Your expertise will bridge theoretical design concepts and practical infrastructure considerations, facilitating discussions that align strategic objectives with operational realities.Key Responsibilities:Collaborate with both internal engineering teams and external vendors to design, implement, and oversee the operation of our data center power and cooling systems.Engage with technology stakeholders to assess computing requirements and translate them into infrastructure solutions.Create and evaluate design documentation, including thermal and power analyses, CFD studies, and failure assessments.Partner with our internal controls and monitoring team to devise effective operational strategies.Simplify complex cooling constraints into clear guidelines for other technology teams.Work with colleagues to explore and develop innovative data center solutions that ensure flexibility without sacrificing performance standards.Lead a diverse team comprising ML researchers, engineers, traders, and facilities experts.Enhance collaboration between data center infrastructure and GPU/HPC systems to support our ML/compute cluster.Design and supervise the implementation of cooling systems tailored for high-density GPU and trading environments.Your primary location will be in New York, but you will also provide support for data centers in various locations, particularly focusing on ML and compute clusters. Occasional travel to data center sites may be required.

Join Fluidstack as an IT Engineer - Data CenterAt Fluidstack, we are at the forefront of developing the infrastructure that powers advanced artificial intelligence. We collaborate with leading AI laboratories, government entities, and major corporations such as Mistral, Poolside, Black Forest Labs, and Meta to deliver computational power at unprecedented speeds.Our mission is to turn artificial general intelligence into reality. To achieve this, we have assembled a team of passionate individuals who are dedicated to creating world-class infrastructure. We regard our clients' success as our own, taking immense pride in the systems we construct and the trust we build. If you are driven by a strong sense of purpose, possess a relentless pursuit of excellence, and are eager to work tirelessly to shape the future of intelligence, we invite you to join us in crafting what comes next.About the RoleAs an IT Engineer for our Data Center, you will serve as the essential on-site IT support for our operations. You will manage the entire device lifecycle, from provisioning macOS, Windows, and iOS devices for new hires, to ensuring secure and compliant disposal of equipment. You will be the primary resource for troubleshooting hardware, software, and networking challenges within a dynamic AI infrastructure, working alongside remote IT and Security teams to ensure thorough documentation, escalation, and resolution of issues. Beyond routine maintenance, you will contribute significantly to our security compliance efforts, supporting SOC 2 and ISO 27001 standards, gathering audit evidence, and enforcing IT procedures that safeguard our data centers and user environments.Key ResponsibilitiesAct as the main on-site contact for hardware and software issues, diagnosing and resolving problems across a variety of devices including laptops, desktops, mobile devices, and networking equipment, while escalating issues with detailed documentation when necessary.Prepare, configure, and deploy end-user devices (macOS, Windows, iOS/iPadOS) for new employees and contractors, ensuring Mobile Device Management (MDM) enrollment and identity provider account setups are completed before their start date.Maintain an accurate inventory of hardware assets, tracking serial numbers, assigned users, locations, and lifecycle status from acquisition to secure retirement and disposal (ITAM/ITAD).Collect, wipe, and manage returns of equipment from offboarding employees and contractors, adhering to data destruction and chain-of-custody protocols.Assist in meeting security compliance requirements (SOC 2, ISO 27001, or similar) by following and enforcing established IT procedures, contributing to the collection of audit evidence, and notifying the Security team of any policy gaps.

Join Fluidstack as a Mechanical EngineerAt Fluidstack, we are pioneering the infrastructure for advanced intelligence. Collaborating with leading AI labs, government agencies, and prominent enterprises like Mistral, Poolside, Black Forest Labs, and Meta, we are committed to delivering compute capabilities at unparalleled speeds.Our mission is urgent: to bring Artificial General Intelligence (AGI) to life. Our dedicated team strives to construct world-class infrastructure, taking our clients' success personally. If you are driven by meaningful work, passionate about excellence, and ready to put in the effort to advance the future of intelligence, we invite you to be a part of our transformative journey.Your RoleAs a Mechanical Engineer at Fluidstack, you will be instrumental in designing the future of AI-optimized infrastructure as we expand to provide multiple gigawatts of facilities. This impactful engineering role involves comprehensive ownership of mechanical systems from initial concepts and analytical modeling to final construction and implementation.You will spearhead the creation of modular template designs and innovative, supply-chain-aware solutions that facilitate quick global deployments. Acting as the technical liaison between our internal strategies and external executions, you will oversee specialized partners and consultants to ensure that designs are perfectly integrated with Fluidstack's high-density cooling and power specifications. This position is crafted for a problem-solver who excels in intricate environments and desires full control over the mechanical lifecycle of gigawatt-scale data centers.Key ResponsibilitiesLead the design and enhancement of mechanical systems for AI-optimized, high-density data centers.Develop and maintain modular mechanical templates to facilitate swift and repeatable global deployments.Act as the technical interface between internal teams and external consultants, guaranteeing alignment with Fluidstack's standards.Ensure mechanical designs seamlessly integrate with high-density cooling and power architectures.Oversee mechanical systems from initial concept through analytical modeling to final execution.Utilize strong analytical skills through CFD modeling and capacity planning to guide design decisions.Hold external partners accountable for technical excellence while remaining adaptable as project requirements evolve.

FluidStack is seeking a Mechanical Field Engineer to help maintain and improve the mechanical systems that support data center operations in Buffalo, NY. This position plays a key role in ensuring that essential infrastructure remains reliable and efficient. Role overview The Mechanical Field Engineer will work on the mechanical systems that keep FluidStack’s data centers running. The focus is on both day-to-day reliability and long-term improvements. What you will do Oversee mechanical systems throughout the data centers Perform regular maintenance checks to keep equipment performing well Troubleshoot and resolve mechanical issues as they come up Collaborate with other engineering teams to identify and implement improvements Requirements This role is well suited to someone who enjoys hands-on problem solving, values teamwork, and has a strong interest in engineering and technology. The ability to keep critical infrastructure operating smoothly is important.

Role overview FluidStack seeks an Electrical Field Engineer to help maintain and support data center operations in Buffalo, NY. This role centers on ensuring the efficiency and reliability of electrical infrastructure within a modern data center. Daily work involves hands-on support, troubleshooting, and problem-solving to keep systems running without interruption. What you will do Work closely with colleagues from various disciplines to address operational needs in the data center environment. Troubleshoot electrical issues as they occur, identify root causes, and implement effective solutions. Carry out regular maintenance checks on electrical systems and equipment. Offer technical input to improve existing processes and assist with the rollout of new solutions. Requirements Strong attention to detail in maintenance and troubleshooting tasks. Dedication to maintaining high operational standards and reliability. Ability to collaborate effectively with team members from diverse backgrounds and specialties.

Join Fluidstack - Pioneers in AI InfrastructureAt Fluidstack, we are revolutionizing the landscape of artificial intelligence by constructing the backbone of advanced computing solutions. Collaborating with elite AI research facilities, governmental bodies, and industry giants such as Mistral, Poolside, and Meta, we are unlocking computational capabilities at unprecedented speeds.Our mission is to accelerate the realization of Artificial General Intelligence (AGI). Our team is driven, passionate, and dedicated to building infrastructure that meets the highest standards. We take ownership of our clients’ successes, pride ourselves on the innovative systems we create, and strive to earn their trust every day. If you are fueled by purpose, strive for excellence, and are ready to contribute to a transformative future, we invite you to join us.The Role - Electrical Design EngineerAs an Electrical Design Engineer at Fluidstack, you will be instrumental in designing resilient and cost-efficient electrical distribution systems that power our extensive GPU cloud infrastructure. You will ensure exceptional uptime for our AI and High-Performance Computing (HPC) clients who rely on our expertise for their most demanding tasks. Your role will involve articulating and justifying technical choices to senior leadership while driving innovations in our data center designs.We are seeking engineers with practical electrical design experience. If you possess the skills to design electrical systems, understand the critical requirements for high-density GPU data centers, and can assess the feasibility of various designs, you may be the ideal candidate. As we rapidly expand, we are looking to enhance our in-house engineering capabilities. You will take designs from concept through to permit and construction documentation. You will also define essential equipment specifications and review equipment submissions. In this role, you will support construction and be engaged throughout the entire project lifecycle—from site selection to commissioning and final handover.Key ResponsibilitiesDesign and develop electrical systems for our high-density GPU data centers, working collaboratively to produce comprehensive construction documents.Deliver designs that adhere to our high-quality standards while remaining within project budgets and timelines.Collaborate with commissioning teams to rigorously test, validate, and document the installation and performance of electrical systems prior to handover.Oversee multiple concurrent projects across Fluidstack's expanding footprint, effectively managing priorities across various regions.

About CoreWeave CoreWeave is The Essential Cloud for AI™. Since 2017, the company has supported AI labs, startups, and enterprises with infrastructure designed for high-performance computing. CoreWeave went public on Nasdaq under the ticker CRWV in March 2025. Learn more at www.coreweave.com. Role Overview The Data Center Energy Analyst joins the Portfolio Operations team, working at the intersection of Data Center Operations, Finance, and external energy partners. This role supports the growth of CoreWeave’s data center portfolio by ensuring reliable energy data, supporting forecasting and accruals, and building processes that help the company scale efficiently. Collaboration with internal teams and third-party providers is central to the position. This role is based in Livingston, NJ, New York, NY, Sunnyvale, CA, or Bellevue, WA. What You Will Do Collect, validate, and analyze energy usage and cost data across the data center portfolio. Work with data center providers, utilities, and third-party partners to obtain billing, interval usage, and rate data, resolve discrepancies, and maintain data accuracy. Analyze historical energy usage and forecast future energy costs using both internal tools and third-party platforms. Support monthly accruals and closing by providing accurate energy data and analytical insights to Finance and Accounting teams. Why This Role Matters With demand for AI and high-performance computing on the rise, energy cost management and forecasting are critical for operational and financial decisions. This is an opportunity to help shape scalable processes for energy data management and reporting during a period of rapid company growth.

CoreWeave, a public cloud provider specializing in AI infrastructure, supports clients ranging from emerging startups to large enterprises. Since its founding in 2017, CoreWeave has experienced rapid growth and is now listed on Nasdaq (CRWV as of March 2025). More details about the company can be found at www.coreweave.com. Role overview The Senior Project Manager for Data Center Security Initiatives leads the implementation of advanced physical security systems throughout CoreWeave’s data centers. Reporting to the Senior Manager of Data Center Risk and Assurance, this role manages large-scale projects, including the deployment of Wireless Intrusion Detection Systems (WIDS) and other critical security technologies. The position works with multiple teams to ensure new security systems meet both industry standards and client needs. Main responsibilities Project management: Direct all stages of deploying new physical security solutions, such as WIDS, at several data center locations. Collaboration: Coordinate activities across the project lifecycle for security technology rollouts and operational launches, ensuring alignment with company objectives. Cross-functional teamwork This role partners with groups including Security Design and Commissioning, Networking, Security Engineering, and the Global Security Operations Center to deliver successful project outcomes. Locations CoreWeave offices are in Livingston, NJ; New York, NY; Sunnyvale, CA; San Francisco, CA; Bellevue, WA; Dallas, TX; and Richmond, VA.

Position Overview: The Site Management team is responsible for overseeing the infrastructure space, power management, physical security, and structured cabling at all Squarepoint Capital's data centers, offices, and colocation facilities. This team collaborates with both internal stakeholders and external partners to establish and implement design standards, execution strategies, techniques, runbooks, and procedural documents that govern the delivery of infrastructure projects globally, ensuring high levels of consistency and quality. We are excited to announce a new opportunity for a Data Center Technician within our Site Team. The Data Center Technician will be responsible for the installation, maintenance, and monitoring of equipment and systems within the data center, adhering to established standards and processes for Install, Move, Add, and Change (IMAC). This role is critical in swiftly identifying and rectifying data center issues. This position is for an evening shift, Monday to Friday from 2 PM to 10 PM, or Tuesday to Friday from 2 PM to 10 PM plus Saturday from 9 AM to 5 PM. Maintain data center infrastructure (power, cooling, hardware, cabling, tools/supplies) in accordance with established standards. Conduct requirements gathering and planning for new hardware installations (including physical location, power, cooling requirements, cabling) to ensure efficient deployment. Install and onboard data center infrastructure components (such as cabinets, PDUs, structured cabling), ensuring proper integration and functionality. Rack and cable data center hardware (servers, network equipment, storage devices). Perform hardware troubleshooting and repair as needed.

Join Hinge: The Dating App Designed for Lasting ConnectionsIn an age where meaningful relationships are increasingly elusive, Hinge is dedicated to fostering intimate connections that combat loneliness. Our team is passionate about analyzing user behavior to enhance the dating experience, with our ultimate success measured by the number of successful dates we facilitate. With a global user base in the millions, Hinge has become the premier app for those seeking meaningful relationships.Role Overview: As a Senior Data Engineer at Hinge, you will play a vital role in developing key data processes and contributing to a cutting-edge data pipeline that supports our strategic decision-making. Your contributions will not only solve complex challenges but also empower our analytical teams, directly impacting the love lives of countless individuals. You will enhance core functionalities and implement essential data pipelines that serve both the Data Engineering team and the broader organization, all while tackling real-world problems within a big data architecture.

Fluidstack operates advanced data centers that provide large-scale compute power for leading AI labs. The company’s infrastructure supports artificial superintelligence, with a focus on speed and reliability at scale. Team members are valued for their quality of work, accountability, and readiness to question assumptions. Every contribution is recognized. Role overview This Controls Engineer position is based in Buffalo, NY and focuses on building automation and control systems within critical data center infrastructure. The role is suited for experienced controls technicians looking to move into engineering or early-career controls engineers who want to stay hands-on in the field. The work covers design, programming, commissioning, maintenance, and troubleshooting. Main responsibilities Collaborate with Central Engineering and Operations to ensure continuous reliability of Building Management Systems (BMS), Electrical Power Monitoring Systems (EPMS), PLCs, and equipment-level controls in a 24/7 data center setting. Support engineering activities such as developing control sequences, commissioning, integrating systems, and preparing documentation. Operate BMS front-ends, calibrate field sensors, and program PLCs based on detailed Sequences of Operations. Who might thrive here Controls technicians interested in advancing into engineering roles. Early-career controls engineers who prefer hands-on fieldwork and direct problem-solving. This team is focused on shaping the infrastructure behind the next generation of computing.

Join the City of New York as a Senior Data Engineer, where your expertise in data engineering will drive impactful decisions and enhance city services. You will collaborate with cross-functional teams to design, build, and maintain robust data pipelines, ensuring data integrity and accessibility for analytics.

At Angi®, our mission for the past 30 years has been simple: to ensure that jobs are done right. We connect homeowners with trustworthy professionals who possess the necessary skills, while simultaneously linking these pros with homeowners seeking the jobs they desire.Angi at a glance:Homeowners have relied on Angi for over 300 million projects.We cover more than 1,000 home service tasks.Our team consists of 2,800 dedicated employees worldwide.Why join Angi:Angi® is on a mission to redefine the home services industry, fostering an environment where homeowners, professionals, and employees all benefit from a greater number of jobs completed successfully.For homeowners, our platform offers a dependable way to locate skilled professionals. For professionals, we act as a trustworthy business partner, helping them discover the work they want when they want it. For our employees, we provide an exceptional workplace that they can proudly call home. We look forward to welcoming you!About the team:We are currently searching for a Senior Data Engineer to join our Data Infrastructure team. This individual will play a pivotal role in constructing and managing the foundational platforms that facilitate data processing, storage, and analytics throughout our organization. The focus of this role will be on advancing our lakehouse architecture, data replication systems, and orchestration frameworks, all while ensuring scalable, reliable, and efficient data workflows.Please note, although this role is remote, we are a global company seeking candidates located in the Eastern Time Zone to align with our team's working hours.

We are seeking a highly skilled Senior Data Engineer to join our dynamic team at Charlie Health. In this pivotal role, you will be responsible for designing, building, and maintaining scalable data pipelines that drive our analytics and reporting capabilities. You will work closely with data scientists and analysts to ensure that our data infrastructure meets the needs of our growing organization.The ideal candidate will have a strong background in data engineering, a passion for working with large datasets, and a desire to make a difference in the healthcare sector.

At January, we are revolutionizing the credit landscape. Our innovative, data-driven platform is designed to restore trust, achieve tangible results, and empower millions to progress toward a brighter financial future, while also humanizing the consumer finance experience. By harnessing data intelligence, we strive to build trust and deliver improved outcomes for both consumers and creditors.Our mission is straightforward: to broaden access to credit while equipping consumers with the tools they need to attain long-lasting stability and control over their financial lives. We initiated our journey by creating a robust foundation for creditors to engage and support borrowers throughout the entire debt lifecycle. By merging exceptional performance with unique consumer satisfaction and strict compliance, we have perfected outsourced collections. Our journey is just beginning, and together we are forging a financial system where trust and opportunity catalyze enduring change in people's lives.About the RoleAs the pioneering Senior Data Engineer at January, you will redefine our approach to data utilization in expanding access to credit—not merely by fixing existing issues but by unlocking new possibilities. You will take complete ownership of our modern data stack, transforming it from a system supported sporadically by analysts and engineers into a premier platform that anticipates and facilitates our most ambitious data initiatives. You will architect the data infrastructure that empowers millions to achieve financial stability, ensuring that insights flow seamlessly from production to decision-makers. By establishing data engineering as a core discipline at January, you will allow our analysts to focus on insights while you construct the scalable foundation that propels our next growth phase.What You'll DoOwn and enhance our comprehensive data platform — transforming our Snowflake warehouse from analyst-managed to engineer-optimized while standardizing data models for customer reporting, operational dashboards, and machine learning features.Create robust, self-healing data pipelines — designing ETL processes that scale automatically with data volume, implementing monitoring systems that preemptively identify issues, and optimizing costs without compromising performance.Facilitate accessible data utilization — developing intuitive models that empower PMs, analysts, and operations teams to independently find answers while adhering to security and compliance standards.Integrate engineering with analytics — establishing feedback mechanisms between production systems and analytical demands, ensuring schema changes do not disrupt downstream dependencies, and influencing how new features generate data.Lead data initiatives — championing projects that enhance our data capabilities, contributing to strategic data-driven decisions, and mentoring junior engineers.