Capacity Planning Engineer

At eBay, we're more than a global ecommerce leader — we’re changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We’re committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts.Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work — every day. We're in this together, sustaining the future of our customers, our company, and our planet.Join a team of passionate thinkers, innovators, and dreamers — and help us connect people and build communities to create economic opportunity for all.As a Capacity Planning Engineer at eBay, you will play a vital role in influencing the financial architecture of our ecommerce platform. This is an outstanding opportunity to lead the charge in optimizing our resource management and ensuring flawless operations across our engineering stack.Responsibilities:Partner with platform teams to plan and execute capacity strategy across hybrid environments (on-prem Kubernetes, Azure, GCP)Basic understanding of AI including tokens, LLMs, Vector Database, Prefill-Decode process, Semantic caching, scalability and sizing needed to collaborate with the platform team for capacity planningBasic understanding of the Hadoop Platform, Spark, MapReduce, HDFS, Data Compression techniques, bottlenecks and sizing concepts needed to collaborate with the platform team for capacity planningPartner with Search Platform and Engineering teams to help with basic capacity planning exercise around sizing index and traffic growthAnalyze infrastructure demand, utilization, and performance to forecast capacity needs and optimize allocation across compute, storage, and network resourcesCoordinate capacity intake and resource prioritization, balancing requirements across data centers, supply chain, and network infrastructureMonitor system performance and utilization to identify bottlenecks and underutilized resources; drive optimization initiatives to improve efficiency and costDesign and develop dashboards and observability solutions using Grafana, Prometheus, etc. to provide actionable insightsProvide regular reporting on capacity status, trends, forecasts, and optimization opportunities to enable data-driven decision-makingPerform and contribute to root cause analysis of capacity-related incidents; implement corrective actions to improve availability, reliability, and customer experienceEvaluate and improve capacity engineering processes, tools, and methodologies to increase accuracy, efficiency, and scalabilityCollaborate with cross-functional teams (Engineering, Platforms, Product, Data Center) to align infrastructure capacity with business objectives and upcoming initiativesConduct “what-if” and scenario modeling to assess the impact of traffic growth, new features, and infrastructure changesSupport large-scale, federated Kubernetes environments to ensure high availability, scalability, and efficient resource utilizationContribute to tooling and automation for capacity planning, performance analysis, and workload optimizationEnsure infrastructure meets performance targets, SLAs, and business continuity requirements while maintaining efficient utilizationMinimum QualificationsBachelor's Degree in a technical field. 2 years work experience as a software engineer, cloud engineer or capacity planning Engineer Proven experience managing highly complex, technically challenging projectsStrong engineering, scripting, and data analysis skills; self-sufficient data analyst and technologist. Cloud experience is a plusPreferred QualificationsMasters in engineering and CS degrees preferred2 years of pertinent work experienceExcellent oral/written communication, and analytical skills.Outstanding organizational, prioritization, and multitasking skills.Proven ability to work as a teamplayer, ability to work on tasks independently and deliver solutions in a highly complex, dynamic environmentAdditional DetailseBay is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, sexual orientation, gender identity, veteran status, and disability, or other legally protected status. If you have a need that requires accommodation, please contact us at talent@ebay.com. We will make every effort to respond to your request for accommodation as soon as possible. View our accessibility statement to learn more about eBay's commitment to ensuring digital accessibility for people with disabilities. We use cookies to enhance your experience and may use AI tools for administrative tasks in the hiring process. To learn how we handle your personal data and use AI responsibly, please visit our Talent Privacy Notice, Privacy Center, and AI Hiring Guidelines.