Jobs in United States

Senior Power Systems Engineer in United States

1,941 active opportunities · Updated October 2026

Explore current senior power systems engineer jobs across United States. Filter by work mode, employment type, experience, department, date posted and distance.

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📍 San Francisco, California, United States· Full-time
✓ High-confidence listing

$74.1K – $92.7K/yr

Quick readStrong listing-quality and freshness signals

Why join us Brex is the intelligent finance platform that enables companies to spend smarter and move faster in more than 200 markets. By combining global corporate cards and banking with intuitive spend management, bill pay, and travel software, Brex enables founders and finance teams to accelerate operations, gain real-time visibility, and control spend effortlessly. Brex’s AI-native automation and world-class service eliminate manual expense and accounting tasks for customers so they can focus on what matters most. Tens of thousands of the world's best companies run on Brex, including DoorDash, Coinbase, Robinhood, Zoom, Plaid, Reddit, and SeatGeek. Working at Brex allows you to push your limits, challenge the status quo, and collaborate with some of the brightest minds in the industry. We’re committed to building a diverse team and inclusive culture and believe your potential should only be limited by how big you can dream. We make this a reality by empowering you with the tools, resources, and support you need to grow your career. Operations at Brex Operations is the backbone of Brex’s mission to power businesses through our Intelligent Finance Platform. We own credit, fraud, money movement, and payments, protecting our customers and our company. From product operations that ensure flawless launches to scalable systems that drive innovation and precision, we operate at the intersection of product, design, engineering, and customer success. If you want to work at the heart of the business, Operations is where you belong. What you'll do As an Underwriting Senior Analyst, your goal is to ensure our underwriting processes run smoothly and efficiently for our cards products. You'll exercise judgment within established underwriting frameworks to resolve moderately complex cases involving multiple contributing factors. This is a role that requires strong communication, time management, and teamwork. You will implement solutions to uplift processes and engage cross-fun

AIGoExcelAccounting
M
📍 San Francisco, California, United States
✓ High-confidence listingCompany trend +212.5%
Quick readStrong listing-quality and freshness signals

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Vice President, Software Engineering Overview Decision Stream is Mastercard's next-generation AI-native decisioning platform, designed to power intelligent, real-time decisions across fraud, authentication, payments, and risk. Built with a startup mindset and enterprise-scale ambition, the platform combines innovation, speed, and engineering excellence to redefine decisioning across Mastercard's global ecosystem. We are seeking a visionary and hands-on VP of Software Engineering to help build and scale the platform. This leader will partner closely with Product, Architecture, AI, and Platform Engineering teams to drive technology strategy, architecture, engineering execution, and organizational growth. What You'll Do Lead Through Technical Excellence • Serve as a senior technology leader and role model for engineering teams. • Drive architecture, design, and technology decisions across distributed systems, streaming, AI, and cloud-native platforms. • Engage deeply with engineers, architects, and product leaders to solve complex technical challenges. • Influence engineering standards, software quality, and operational excellence. Build and Scale the Platform • Help shape and deliver a highly scalable, resilient, and secure decisioning platform operating at Mastercard scale. • Balan

KubernetesAIRecruitment
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📍 San Francisco, California, United States· Full-time
✓ Quality checkedCompany trend -80.2%

About the Team The Applied team brings OpenAI’s technology to the world through products used by hundreds of millions of people and by developers and businesses building on our APIs. We work across research, engineering, product, policy, safety, and operations to deploy frontier AI systems responsibly and safely. The Trust & Safety Data Engineering team builds the data foundations that help OpenAI understand, detect, investigate, and mitigate abuse and safety risks across our products. We partner with Integrity, Investigations, Safety Systems, Product Policy, Privacy, Data Science, Engineering, and Data Platform to create reliable, privacy-safe datasets and pipelines for fraud and abuse detection, enforcement workflows, safety measurement, ML feature generation, launch readiness, and transparency reporting. About the Role We are hiring a Technical Lead Manager to lead and grow the Trust & Safety Data Engineering team. This is a hands-on leadership role for someone who can set strategy, shape data architecture, align senior stakeholders, coach engineers, and drive execution on high-impact data systems. You will help turn fragmented launch and incident support into durable, reusable, privacy-safe data foundations that Trust & Safety teams can rely on. The systems your team builds will help OpenAI detect risk, investigate abuse, power operational workflows, develop and evaluate safety models, measure interventions, support product launches, and report accurately on platform integrity. In This Role, You Will Lead and grow a high-performing Trust & Safety Data Engineering team. Define the roadmap and technical strategy for Trust & Safety data systems. Build canonical, privacy-safe datasets and pipelines for abuse detection, fraud detection, risk signals, enforcement, scaled review, transparency reporting, and safety monitoring. Create reusable foundations for Trust & Safety model development, including features, labels, training data, backtesting,

AWSRestAIGo
O
📍 Miami, Florida, United States· Full-time
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

About Us OpenFX is on a mission to move money as freely as data, unrestricted by time zones, banking hours, or legacy systems. We are building the infrastructure that will power the next generation of cross-border payment systems for institutions. The team's execution has been exceptional, and we're scaling at a remarkable pace. Our stellar early team brings experience at companies such as J.P. Morgan, Goldman Sachs, FalconX, PayPal, Affirm, Polygon, Kraken, Nium & others. We're backed by Accel, Lightspeed, NfX, and other top-tier investors. Role Overview We are seeking an Growth Lead, North America to join our dynamic go-to-market team. You'll own the full sales cycle for institutional customers across North America — from prospecting through close, helping banks, fintechs, and other institutions move money faster and more efficiently across borders. Key Responsibilities: New Business Development Build and manage a pipeline of institutional prospects across North America, from initial outreach through qualification Identify and prioritize target accounts — banks, fintechs, and other institutions with cross-border payment needs Full-Cycle Sales Execution Own deals end-to-end: discovery, solution design, negotiation, and close Consistently meet or exceed quarterly and annual revenue targets Maintain accurate pipeline and forecast data in the CRM Client & Stakeholder Relationship Management Develop trusted relationships with senior stakeholders (Treasury, Finance, Payments, and Operations leaders) at prospective and existing clients Serve as a strategic advisor, understanding each client's cross-border payment needs and tailoring OpenFX's value proposition accordingly Cross-Functional Collaboration Partner closely with Product, Engineering, Legal & Compliance, and Marketing to navigate technical integrations and structure deals Work with leadership to refine sales strategy, messaging, and positioning as the go-to-market motion matures Market Str

RestAIGoRust
O
📍 Miami, Florida, United States· Full-time
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

About Us OpenFX is on a mission to move money as freely as data, unrestricted by time zones, banking hours, or legacy systems. We are building the infrastructure that will power the next generation of cross-border payment systems for institutions. The team's execution has been exceptional, and we're scaling at a remarkable pace. Our stellar early team brings experience at companies such as J.P. Morgan, Goldman Sachs, FalconX, PayPal, Affirm, Polygon, Kraken, Nium & others. We're backed by Accel, Lightspeed, NfX, and other top-tier investors. Role Overview We are seeking an Account Executive, North America to join our dynamic go-to-market team. You'll own the full sales cycle for institutional customers across North America — from prospecting through close, helping banks, fintechs, and other institutions move money faster and more efficiently across borders. Key Responsibilities: New Business Development Build and manage a pipeline of institutional prospects across North America, from initial outreach through qualification Identify and prioritize target accounts — banks, fintechs, and other institutions with cross-border payment needs Full-Cycle Sales Execution Own deals end-to-end: discovery, solution design, negotiation, and close Consistently meet or exceed quarterly and annual revenue targets Maintain accurate pipeline and forecast data in the CRM Client & Stakeholder Relationship Management Develop trusted relationships with senior stakeholders (Treasury, Finance, Payments, and Operations leaders) at prospective and existing clients Serve as a strategic advisor, understanding each client's cross-border payment needs and tailoring OpenFX's value proposition accordingly Cross-Functional Collaboration Partner closely with Product, Engineering, Legal & Compliance, and Marketing to navigate technical integrations and structure deals Work with leadership to refine sales strategy, messaging, and positioning as the go-to-market motion matures Market St

RestAIGoRust
O
📍 Miami, Florida, United States· Full-time
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

About Us OpenFX is on a mission to move money as freely as data, unrestricted by time zones, banking hours, or legacy systems. We are building the infrastructure that will power the next generation of cross-border payment systems for institutions. The team's execution has been exceptional, and we're scaling at a remarkable pace. Our stellar early team comes with experience in companies like J.P. Morgan, Goldman Sachs, FalconX, Paypal, Affirm, Polygon, Kraken, Nium & others. We’re backed by Accel, Lightspeed, NfX and other top-tier investors. Role Overview We're seeking an exceptional Americas Legal Counsel to serve as a strategic partner and legal advisor across our business, with a particular focus on financial products and partnerships. This role combines the intellectual challenge of navigating cutting-edge financial technology with the opportunity to shape legal strategy in the early stages at a high-growth company. You'll work on some of the most complex and interesting problems at the intersection of cross-border payments, cryptocurrency, foreign exchange and technology—providing pragmatic, business-oriented counsel that enables rapid growth while managing risk effectively. The ideal candidate is a team player who is energized by a high-growth environment and translating complex legal requirements and legal ambiguity into clear, actionable strategies. You move quickly with sound judgment, and excel as a trusted senior advisor to product, engineering, compliance, and business teams. Key Responsibilities: Product Legal Advise product and engineering teams on the legal and regulatory aspects of product design, development, and launch, with a particular focus on payment and banking products Translate complex regulatory requirements into clear guidance that helps teams build compliant products while growing rapidly Regulatory & Licensing Strategy Partner closely with business teams and compliance to develop and execute licensing and market entry strategies

RestAIGoRust
O
📍 Miami, Florida, United States· Full-time
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

About Us OpenFX is on a mission to move money as freely as data, unrestricted by time zones, banking hours, or legacy systems. We are building the infrastructure that will power the next generation of cross-border payment systems for institutions. The team's execution has been exceptional, and we're scaling at a remarkable pace. Our stellar early team brings experience at companies such as J.P. Morgan, Goldman Sachs, FalconX, PayPal, Affirm, Polygon, Kraken, Nium & others. We're backed by Accel, Lightspeed, NfX, and other top-tier investors. Role Overview We are seeking an BDM Manager, North America to join our dynamic go-to-market team. You'll own the full sales cycle for institutional customers across North America — from prospecting through close, helping banks, fintechs, and other institutions move money faster and more efficiently across borders. Key Responsibilities: New Business Development Build and manage a pipeline of institutional prospects across North America, from initial outreach through qualification Identify and prioritize target accounts — banks, fintechs, and other institutions with cross-border payment needs Full-Cycle Sales Execution Own deals end-to-end: discovery, solution design, negotiation, and close Consistently meet or exceed quarterly and annual revenue targets Maintain accurate pipeline and forecast data in the CRM Client & Stakeholder Relationship Management Develop trusted relationships with senior stakeholders (Treasury, Finance, Payments, and Operations leaders) at prospective and existing clients Serve as a strategic advisor, understanding each client's cross-border payment needs and tailoring OpenFX's value proposition accordingly Cross-Functional Collaboration Partner closely with Product, Engineering, Legal & Compliance, and Marketing to navigate technical integrations and structure deals Work with leadership to refine sales strategy, messaging, and positioning as the go-to-market motion matures Market Strategy

RestAIGoRust
O
📍 San Francisco, California, United States· Full-time
✓ Quality checkedCompany trend -80.2%

About the Team The Strategic Finance team at OpenAI plays a critical role in shaping the company’s long-term trajectory. We partner closely with Product, Engineering, and Go-To-Market teams to inform high-stakes decisions through rigorous data science and economic modeling. As part of our expanding Data Science function, we’re building a best-in-class Forecasting capability to drive real-time, data-driven decision-making across user growth, revenue, compute infrastructure, and more. We are developing scalable forecasting infrastructure to help us understand and anticipate business dynamics in an increasingly complex, usage-based world. Our models are foundational to planning, pricing, operational efficiency, and growth strategy - supporting key investment decisions and unlocking OpenAI’s full potential. About the Role We’re looking for a senior Machine Learning Data Scientist to lead our forecasting initiatives. You’ll be one of the founding members of the Forecasting pillar within Strategic Finance Data Science, responsible for building and scaling robust, interpretable, and production-ready forecasting systems. Your models will power critical business decisions by predicting core metrics such as DAU/WAU, revenue, LTV, compute consumption, and profitability. This is a highly cross-functional role, requiring technical excellence, strong product intuition, and business acumen. You’ll collaborate with product managers, researchers, engineers, and finance leaders to operationalize forecasting insights, influence company-wide strategy, and build foundational forecasting capabilities at OpenAI. This role is based in San Francisco, CA. We use a hybrid work model of 3 days in the office per week and offer relocation assistance to new employees. In this role, you will: Build statistical and machine learning models to solve forecasting needs across product, finance, infrastructure, and GTM domains. Own the end-to-end modeling lifecycle , including scoping, feature engineerin

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📍 Foster City, California, United States· Full-time· Remote
✓ High-confidence listingCompany trend -85.9%
Quick readStrong listing-quality and freshness signals

Replit is the agentic software creation platform that enables anyone to build applications using natural language. With millions of users worldwide, Replit is democratizing software development by removing traditional barriers to application creation. About the role: We're hiring a Product Partnerships Manager to own Replit's most important strategic partnerships end-to-end: from identifying the opportunity to shipping the outcome and measuring the impact. This is a product-focused role where you will work with our consumer technology partners, such as Stripe, Shopify, Google, and the broader connector ecosystem. You'll work at the intersection of product strategy, ecosystem thinking, and deal execution. You'll need to be a serious Replit power user. You'll speak credibly with engineers. You'll negotiate with senior partner stakeholders. And you'll be the person accountable for turning ambiguous ecosystem opportunities into shipped product and business outcomes. What You'll Do Develop a clear point of view on Replit's partner landscape and build a prioritized pipeline of high-leverage opportunities across consumer tooling, AI tooling, cloud and infrastructure, and payments technology partners. Lead partner conversations from early exploration through joint product thesis, business case, commercial terms, launch plan, and post-launch iteration. Partner with Product, Engineering, Partner Engineering, Legal, Finance, Marketing, and Sales to turn agreements into shipped outcomes. Work directly with Partner Engineers to scope integrations, demos, prototypes, reference apps, and partner enablement assets. Define success metrics before every launch activation: retained usage, apps created, deployments, revenue, partner-sourced users, and use them to decide when to scale, iterate, or sunset a partnership. Build lightweight operating systems: partner scorecards, launch checklists, partner roadmap tracking, and repeatable frameworks for evaluating new opportunities. Represent

AIGoRustMarketing
N
📍 Santa Clara, United States
✓ High-confidence listingCompany trend -8%
Quick readStrong listing-quality and freshness signals

NVIDIA's Silicon Co-design Group (SCG) sits at a rare intersection: we own the full product development lifecycle, from early architecture definition through silicon bringup to product release. Our ArchDev team is the hub for silicon and system-level feature development, driving tradeoff analysis, system integration, and POR alignment across the entire organization. If you want to see your work go from whiteboard to world-class silicon, this is where that happens. What You'll Be Doing: Architect and integrate system-level performance and power management features, controllers, and policies to optimize product efficiency across datacenter and client products . Build feature roadmaps to address low-power, low-noise, and performance-per-watt product needs through prototyping, use-case analysis, and cost/benefit trade-offs. Partner with architecture, ASIC, board/platform, software/firmware, and marketing teams to drive design decisions and debug complex issues. Track industry trends and market needs and translate them into forward-looking roadmaps that keep NVIDIA's products ahead of the curve. Lead debug efforts, develop workarounds, and support bringup , validation, manufacturing, and customer escalations. What We Need to See: <

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📍 San Francisco, California, United States· Full-time
✓ Quality checkedCompany trend -79.1%

ABOUT BASETEN Baseten powers mission-critical inference for the world's most dynamic AI companies, like Cursor, Notion, OpenEvidence, Abridge, Clay, Gamma and Writer. By uniting applied AI research, flexible infrastructure, and seamless developer tooling, we enable companies operating at the frontier of AI to bring cutting-edge models into production. We're growing quickly and recently raised our $1.5B Series F , led by Altimeter Capital, Conviction Partners, and Spark Capital. Join us and help build the platform engineers turn to to ship AI products. THE ROLE As an OS / K8s Systems Engineer at Baseten, you’ll build the automation and systems that turn raw GPU hardware into production-ready compute. From provisioning to orchestration, you’ll own the software layer that makes our infrastructure reproducible, scalable, and reliable across data centers. This is a senior, hands-on role focused on building systems not operating them. You’ll work close to the metal designing OS images, building provisioning pipelines, and automating cluster bring-up from scratch. Your work will define how quickly we can turn new capacity into usable compute. EXAMPLE INITIATIVES Zero-to-cluster automation Build workflows that take new hardware from unprovisioned to fully operational cluster. Provisioning systems Design PXE-based or equivalent systems for imaging and lifecycle management. Reproducible infrastructure — Ensure clusters deploy consistently across data centers. RESPONSIBILITIES Own the end-to-end automation of cluster bring-up and lifecycle management. Build and maintain OS images, provisioning systems, and configuration pipelines. Deploy and operate cluster orchestration platforms (Kubernetes, Slurm, or similar). Design systems for reproducibility across sites and hardware generations. Automate upgrades, rollouts, and failure recovery. Optimize system performance, including GPU utilization and networking. Partner with hardware and network teams to validate and improve system b

PythonKubernetesLinuxMachine Learning
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📍 Bellevue, Washington, United States· Full-time· Remote
✓ High-confidence listingCompany trend -92.9%
Quick readStrong listing-quality and freshness signals

At Snowflake, we are powering the era of the agentic enterprise. To usher in this new era, we seek AI-native thinkers across every function who are energized by the opportunity to reinvent how they work. You don’t just use tools; you possess an innate curiosity, treating AI as a high-trust collaborator that is core to how you solve problems and accelerate your impact. We look for low-ego individuals who thrive in dynamic and fast-moving environments and move with an experimental mindset — who rapidly test emerging capabilities to discover simpler, more powerful ways to deliver results. At Snowflake, your role isn't just to execute a function, but to help redefine the future of how work gets done. We are hiring a rock star leader for our AI DevEx team. This team plays a crucial part in transforming how the Snowflake product is developed, evaluated and supported. The job is no less than building the ecosystem that powers our AI-pilled engineers and our agentic organizations and reinvents the SDLC for Snowflake. As the manager for this growing team, you will lead the group of engineers working to reinvent how code is written, reviewed and runs in production to usher scale and velocity for the AI era. With context as the new source code, you will make it possible for every engineer at Snowflake to deliver through intent and direction. In this role, you will: Lead, coach, and grow the ES AI DevEx team while creating a high-energy, cohesive environment with strong planning, ownership, and career development. Deliver the vision and roadmap for transforming the SDLC for all Snowflake engineers. Drive measurable improvements in code review latency, ensure Snowflake developers can use the latest harnesses and models, and create the golden paths that agentic codebases are built upon. Act as an agent of clarity in a space that is moving fast, making high quality decisions quickly by keeping up with the latest developments in the industry. Own operational excellence for the area

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📍 San Francisco, California, United States· Full-time
✓ Quality checkedCompany trend -100%

What you’ll do Be the generalist EE for the scanner system: integration, bring-up, debugging, and making the electrical side of the device reliable and serviceable. Own ultrasound experimentations that feeds the image reconstruction team Design and execute experiment setups for transducer characterization (element sensitivity, bandwidth, cross-talk mapping, beam profile measurements) and ex vivo / phantom clinical testing. Acquire, process, and analyze RF and baseband signals for data quality assessment and benchmarking. Design simple boards and adapters as needed (monitoring, power/safety, interface/conditioning), and take them from prototype through a stable revision. Prototype quickly, then harden what works: wiring/harnessing, grounding, safety interlocks, and reliable integration across subsystems. Own practical test setups and documentation (fixtures, scripts, procedures) that make experiments repeatable and results comparable over time. What we’re looking for Strong hands-on EE background with experience building, debugging, and iterating on real systems in the lab. Solid understanding of signal processing fundamentals — knows what to measure, how to condition and digitize it, and how to evaluate signal quality in the context of an imaging system (SNR, bandwidth, dynamic range, artifacts). Comfortable spanning system integration + occasional design work (schematics/layout reviews or light PCB design) in a fast-moving environment. Ability to work at the boundary between hardware and algorithms: measure reality, communicate constraints, and help close gaps vs simulation. High agency and practicality: able to set up experiments, get trustworthy data, and unblock others on a lean team. Useful experience Analog/mixed-signal, or high-speed data capture experience; strong instincts for instrumentation and noise/debugging. Ultrasound or acoustic sensor handling: hydrophone calibration and field mapping, transducer impedance characterization, element-level sensitivity

GitAIGoRust
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📍 San Mateo, CA, United States· Full-time
✓ Quality checkedCompany trend -100%

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. The Luau App Foundations team is responsible for the core infrastructure of the Roblox application. They bridge the gap between app and the performance-heavy Roblox game engine. This team is building the unified stack that powers mission-critical surfaces like Home, Avatar, and Social for millions of concurrent users. They are the ones who make it possible for "Web-style" development efficiency to exist within a high-performance C++ game engine. Why is this role exciting: Technical Pioneer: You will be writing libraries and modules using C++ inside a world class Roblox proprietary Game Engine. Systematic Impact: This is a "Force Multiplier" role. The frameworks and components you build will be used by dozens of other engineering teams to ship their features. Complex Problem Solving: You aren’t just building an app; you’re managing smooth data flow through a client that has to perform perfectly on a $100 Android phone and a $3,000 Gaming PC simultaneously. 0 to 1 Transitions: You will lead the charge in shaping some of the most crucial components of the App written in C++ inside the Game Engine. Key Challenges: Bridging Tech Stacks: The libraries you write sit between a modern UI (written in

AWSGitRestAI
B
📍 Berkeley, United States
✓ High-confidence listingCompany trend +515.8%
Quick readStrong listing-quality and freshness signals

Electronic System Design and Analysis Engineer (Experienced or Senior) Company: The Boeing Company The Boeing Test Operations and Engineering (TO&E) team in Berkeley , Missouri is seeking an Electronic System Design and Analysis Engineer to join our Instrumentation Installation Design group to support all major programs in the St. Louis area. We are currently hiring for a broad range of experience levels including Experienced and Senior Electronic System Design and Analysis Engineers. Position Responsibilities: Electrical Design & Testing AC and DC power applications Assisting shop with build information Reading electrical drawings/schematics Troubleshooting Electrical component/wiring faults Production Functional and Environmental Acceptance Testing Designing new test sets for various weapon and aircraft electronics Performs system tests to verify operational and functional requirements Supports resolution of product integration issues and production anomalies Researches basic technologies for potential application to company business needs Assists in monitoring suppliers' performance to ensure compliance with requirements Develops or modifies basic hardware and software designs based on defined requirements Assists with the development and documentation of electronic and electrical system requirements This position is expected to be 100% onsite. The selected candidate will be required to work onsite at one of the listed location options. Basic Qualifications (Required Skill/Experience): <

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