System Performance Engineer Jobs

About Mach Industries Founded in 2023, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms. At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 350 employees, we operate with startup agility and ambition. Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security. The Role Mach Industries is seeking a Thermal Test Engineer to support the development, qualification, and production of aerospace and defense systems. This role will be responsible for planning, developing, executing, and analyzing thermal and environmental tests on components, subsystems, and integrated systems. The Thermal Test Engineer will work closely with Mechanical, Thermal, Systems, Electrical, Manufacturing, Quality, and Program teams to ensure products meet defined thermal performance, reliability, and environmental requirements. Key Responsibilities Develop and execute thermal and environmental test plans for aerospace and defense hardware, including components, subsystems, and system-level assemblies. Develop detailed test procedures, test requirements, instrumentation plans, test configurations, and test readiness documentation. Plan and execute thermal cycling, thermal vacuum (TVAC), thermal soak, temperature/humidity, high/low temperature, and other environmental tests as applicable to program requirements. Support qualification, acceptance, development, and verification testing throughout the product lifecycle. Configure and operate environmental test chambers, thermal vacuum chambers, thermal cycling equipment, and associated test syste

About Mach Industries Founded in 2023, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms. At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 350 employees, we operate with startup agility and ambition. Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security. The Role Mach Industries is seeking a Thermal Engineer to own the analysis, design, and validation of thermal systems across our vehicle platforms. This role will work from the system level down to individual components, ensuring avionics, propulsion systems, and vehicle structures can withstand demanding operating environments. You will partner closely with aerodynamics, propulsion, structures, mechanical, and test teams to develop practical thermal solutions that balance performance, reliability, manufacturability, and scale. The ideal candidate combines strong heat-transfer and simulation fundamentals with hands-on experience testing and validating hardware. Key Responsibilities Design, analyze, and optimize thermal management systems for Mach’s vehicles from system to component level. Perform analyses to understand how heat transfer, thermal loads, and environmental changes impact performance and the vehicle's structural integrity. Collaborate with cross-functional teams, including propulsion, structural, and aerodynamics teams, to integrate thermal solutions into vehicle designs while maintaining performance and manufacturability. Develop thermal testing procedures, including thermal cycling, environmental testing, and failure mode analysis, to ensu

About Mach Industries Founded in 2023, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms. At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 350 employees, we operate with startup agility and ambition. Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security. The Role Mach Industries is seeking a Senior Aerospace Engineer, Aerothermal & Hypersonics to own high-speed aerodynamic and aerothermal design for next-generation hypersonic and atmospheric entry systems. This role is for an engineer with 5–7+ years of experience who has taken complex aerospace work from concept through design, analysis, test, and implementation — and who can help stand up aerothermal and TPS test capability as the company scales. You will lead hypersonic vehicle shaping and aero/aerothermal trades, predict aerodynamic heating and related high-temperature flight environments, and contribute to Thermal Protection System (TPS) / heat-shield evaluation in partnership with materials, structures, and Thermal Engineers. You will also support lower-speed aero work in conjunction with other aerodynamicists when programs require it. Key Responsibilities High-speed aero and aerothermal design: Lead or co-own aerodynamic and aerothermal design activities for hypersonic and atmospheric entry vehicles — vehicle shaping, performance, stability, and thermal environment definition — and support lower-speed aero work in conjunction with other aerodynamicists when the program requires it. Aerothermal environments: Predict and analyze aerodynamic heat

Everpure (NYSE: P) has evolved from storage pioneer to data platform, closing fiscal 2026 with $3.7 billion in revenue, its first billion-dollar quarter, and accelerating growth into FY27. Our strategic agenda spans the companies defining the next era of technology - hyperscalers, AI labs, the AI hardware supply chain, data platform providers, and the broader AI ecosystem. This type of work—work that changes the world—is what the tech industry was founded on. So, if you're ready to seize the endless opportunities and leave your mark, come join us. THE ROLE Join our Systems Software Group to lead an engineering team building the core architectural foundation for our high-performance, highly available enterprise storage portfolio. You will own the strategy and execution for core platform software, driving innovations in Linux kernel integration, hardware enablement, and NVMe fabric protocols. Partnering closely with Product, Hardware, and Release Engineering teams, you will empower your team to deliver predictable, high-quality software releases that define the simplicity and reliability our customers trust. WHAT YOU’LL DO Engineering Leadership & Team Development : Lead, mentor, and empower a high-performing systems software engineering team to deliver robust Linux kernel features, hardware platform enablement, and advanced NVMe fabric protocols. Release Execution & Quality Ownership : Own end-to-end software delivery for core platform releases, partnering with Program Management and Release Engineering to establish clear execution roadmaps, milestone tracking, and phased rollout strategies. Partner & Vendor Technical Management : Direct technical engagements with external vendors and technology partners, ensuring third-party deliverables integrate seamlessly into the core platform architecture to accelerate product delivery. Strategic Alignment & Platform Impact : Align team goals with broader business objectives, converting complex architectu

About the Team OpenAI’s Hardware organization develops AI-native silicon and system-level solutions for the unique demands of advanced AI workloads. Building on efforts like Jalapeño, the team is developing future generations of AI-native silicon and tightly integrated systems to power the next generation of frontier models. By co-designing chips, systems, tools, and methodologies, the team helps deliver faster, more efficient, and production-ready hardware for OpenAI’s supercomputing platform. About the Role You will define and build the CI/CD systems that qualify frontier models and the software stack running on OpenAI’s custom AI accelerators. Your work will make correctness, performance, and stability measurable on every change, from individual commits through production releases. This role spans model workloads, accelerator software, systems infrastructure, and developer productivity. You will establish scalable CI/CD, GitOps, and monorepo practices; design trustworthy regression and benchmarking pipelines; and partner with model, compiler, kernel, runtime, firmware, and hardware teams to shorten feedback loops without compromising production readiness. In this role, you will: Define the model CI strategy for frontier models running on OpenAI custom silicon and integrated accelerator systems. Build production CI/CD pipelines for functional regression, performance benchmarking, software stability, and release qualification. Design representative test matrices across models, configurations, hardware generations, software components, and deployment environments. Create reliable performance baselines, regression detection, bisect and triage workflows, and clear ownership for failures. Establish GitOps practices for reproducible configuration, promotion, rollback, auditability, and environment consistency. Shape monorepo architecture, dependency management, build and test boundaries, change validation, and developer workflows at scale. Develop scalable orchestration

About the job Shape how Graphcore’s high-performance systems are tested, diagnosed and proven ready for production. You’ll lead the technical direction for system-level manufacturing test. You’ll turn product requirements into robust test strategies for manufacturing partners. Your work will directly influence product quality across boards, blades and rack-level systems. You’ll solve complex test issues and drive improvements across products. You’ll define, deploy and maintain test platforms, fixtures and diagnostic solutions. You’ll also partner with hardware, software and manufacturing teams. This role combines hands-on technical depth with broad influence. You’ll shape future test strategy while helping other engineers raise the bar. The team and culture The Product Test and Diagnosis team finds and manages hardware defects across chips, boards and finished systems. Its work spans manufacturing sites and deployed products. You’ll work closely with engineering teams and manufacturing partners to solve problems quickly. Decisions are driven by evidence, technical judgement and root cause analysis. You’ll have ownership of complex problems and the scope to challenge existing approaches. You’ll also mentor engineers and establish practical standards across teams. What we’re looking for Essential Proven experience in PCBA and system product validation, including in manufacturing testing within production environments. Strong understanding of electronics fundamentals, PCBA/blade/rack-level manufacturing processes, and associated failure mechanisms. Proficient with Linux command-line environments and technical troubleshooting. Experienced in the local and remote operation of test equipment, including oscilloscopes, DMMs, clock generators, SMUs, and PSUs. Proven problem-solving, communication, and presentation skills, with the ability to perform effectively in fast-paced, complex environments. Desirable Strong knowledge of high-speed interconnects, including PCIe Gen5/6

About Us: Future is building a personalized guidance system for lifelong health. We help people understand what to do next for their body, goals, and stage of life — then support them in turning those decisions into sustained behavior change. By combining AI, human expertise, personal health data, and accountability, Future helps members improve performance today while building the resilience, capacity, and healthspan they need for decades to come. About the Role: We’re hiring a Lead Android Engineer to set the technical direction for Future’s Android products and build the experiences our members use every day. You’ll lead work across our phone and Wear OS apps. You’ll shape core journeys such as onboarding, coach messaging, scheduling, guided workouts, progress tracking, health-data integration, and video calls. You’ll work with product, design, backend, and iOS engineers on a small, senior team. This is a hands-on role. You’ll move between product details and system architecture, write production code, guide technical decisions, and help other engineers do their best work. What You’ll Own: Member Experience: Lead Android implementation for the experiences that connect members with their coaches and help them follow through on their plans. Build polished, accessible interfaces with Jetpack Compose and Future’s design system. Android Architecture: Set direction for a multi-module Kotlin codebase built around Compose, coroutines and flows, dependency injection, and unidirectional state. Improve module boundaries, data ownership, navigation, and offline behavior as the product grows. Connected Health and Wearables: Guide the systems that connect Future with Wear OS, Health Connect, heart-rate data, sensors, and the Android device lifecycle. Protect member data and design for intermittent connectivity. Reliability and Performance: Own app startup, responsiveness, media playback, foreground services, background work, real-time calls, and data synchronization. Use crash

About Us: Future is building a personalized guidance system for lifelong health. We help people understand what to do next for their body, goals, and stage of life — then support them in turning those decisions into sustained behavior change. By combining AI, human expertise, personal health data, and accountability, Future helps members improve performance today while building the resilience, capacity, and healthspan they need for decades to come. About the Role We're looking for an Applied AI Engineer to help us build and ship AI-powered features that directly improve our product experience and business outcomes. This is a hands-on, product-focused role where you'll take ideas from concept to production — designing intelligent systems, validating them with real users, and turning them into reliable, scalable services. You'll work at the intersection of AI, product, and engineering — partnering closely with cross-functional teams to identify high-impact opportunities, prototype quickly, and iterate based on data. This isn't a research-only role. You'll own the full lifecycle: experimentation, evaluation, deployment, monitoring, and continuous improvement. The ideal candidate is excited about applying LLMs and modern ML tooling to real-world problems. You think in terms of systems, tradeoffs, and outcomes — not just models. You care about performance, quality, latency, and cost in production. Most importantly, you're motivated by shipping impactful AI experiences that customers actually use. What You'll Do Build and ship AI agents that serve real users: tool-calling LLM systems with structured output, parallel API orchestration, and streaming responses. Design evaluation harnesses and quality scoring — we use Langfuse, rubrics to measure safety, effectiveness, and personalization. Own the full loop: prototype a new agent capability, validate it with evals, deploy it to staging and production, monitor traces, and iterate. Improve reliability, latency, and cost throug

About Us: Future is building a personalized guidance system for lifelong health. We help people understand what to do next for their body, goals, and stage of life — then support them in turning those decisions into sustained behavior change. By combining AI, human expertise, personal health data, and accountability, Future helps members improve performance today while building the resilience, capacity, and healthspan they need for decades to come. About the Role Backend engineers at Future operate at all levels -- building out core services, data pipelines, essential business systems, developer operations, and customer-facing features. We’re responsible for the entirety of product surfaces across user and trainer experiences, and the initiatives we drive span across foundational core infrastructure to rapid feature iteration. Backend engineers work closely with several engineering teams & product managers to deliver the APIs, infrastructure, and scalability needed for every initiative. You will: Design, implement, and test APIs for new products, features, and services Maintain and optimize existing systems, with emphasis on database-related performance Collaborate with other engineers across the stack as well as cross-functional stakeholders Keep up to date with the latest technologies and industry best practices, and encouraging fellow engineers to do so Serve as on-call engineer approximately one week per month, responsible for triaging incoming issues during non-working hour You have: Great Product thinking. You think about the end user experience when you are building to consider whether the features you are building are not only meeting requirements but delighting users. 8+ years of production development experience, specifically working on backend / API Scrappiness and pragmatism. We are a small and fast-moving startup and value someone who can continually weigh tradeoffs to balance engineering excellence with velocity. Strong knowledge

About the job Own the manufacturing performance behind advanced AI compute systems in volume production. As, Senior Manufacturing Product Engineer you will connect product design, test, quality and supply chain with manufacturing execution. You will support volume production across PCB assembly with our build partners in Taiwan. Your work will improve yield, quality and manufacturability across complex products. You will link manufacturing process performance to the product metrics that matter most. You will manage partner engineering relationships, resolve manufacturing issues and drive continuous improvement. You will also shape DfM feedback, production data requirements and next generation manufacturing technologies. This role suits someone who combines practical manufacturing judgement with strong data thinking. You will work close to suppliers, product teams and the decisions that shape production outcomes. The team and culture You will join the Manufacturing and Technology Process team within Operations. The team works across Bristol, Cambridge and Taiwan, close to wafer foundry, package assembly and PCBA subcontractors. Work happens through direct ownership at partner sites and clear technical engagement with internal teams. You will move quickly on production issues, using data and engineering judgement to guide action. The team values people who speak up, take responsibility and build strong supplier relationships. Decisions are grounded in evidence, product impact and the need to keep manufacturing improving. What we're looking for · Strong fault diagnosis, problem solving and failure analysis skills, including ICT to SMT debug · Thorough understanding of automated SMT assembly processes and lean manufacturing methodologies · Working knowledge of L10 mechanical design and system build, ideally for HPC products · Experienced in statistical analysis tools (e.g JMP, SQL, Python) · Ability to connect silicon, package and PCB interactions into clear DfM

About OfficeSpace: OfficeSpace Software provides the leading AI operating system for the built world, that helps teams plan, connect, and perform in the workplace. As a performance-based, PE-backed company, we hire based on merit and a willingness to do what it takes to succeed long-term. You’re a great fit for the role if you’re entrepreneurial, passionate, motivated by building at light speed, and an Agentic AI early adopter. Our world-class teams operate in the US, Canada, and Costa Rica in a culture of trust, respect, growth, and impact. About the role As a Lead Software Engineer at OfficeSpace, you'll shape the future of our workplace platform by building scalable products, leading technical execution, and raising the engineering bar across the team. You'll combine deep technical expertise with strong engineering leadership. From architecting distributed systems to mentoring teammates and designing AI-powered engineering workflows, you'll help us deliver enterprise software that is reliable, secure, and built to scale. This is a hands-on leadership role. We provide the platform. You drive the impact. What you'll do - Lead the architecture, design, and delivery of high-performance applications using Ruby on Rails, React, and modern cloud technologies. - Build scalable, maintainable software that supports enterprise customers across a rapidly growing platform. - Design AI-assisted engineering tools, workflows, and automation that improve developer productivity, code quality, and customer outcomes. - Own projects end-to-end—from technical discovery through production deployment and long-term ownership. - Shift quality left by embedding automated testing, code quality practices, and continuous validation early in the development lifecycle. - Drive predictable delivery by managing scope, balancing technical debt, protecting sprint commitments, and reducing reactive work. - Establish performance benchmarks and continuously optimize application spe

About Us: Future is building a personalized guidance system for lifelong health. We help people understand what to do next for their body, goals, and stage of life — then support them in turning those decisions into sustained behavior change. By combining AI, human expertise, personal health data, and accountability, Future helps members improve performance today while building the resilience, capacity, and healthspan they need for decades to come. About the Role: We’re hiring a Full-Stack Growth Engineer to build and maintain the product and systems that help more of the right people discover Future, convert into members, and reach their first moments of value. You’ll work across web and backend surfaces that power acquisition, signup and access, onboarding and activation, and early engagement. You’ll ship experiments end to end, instrument funnels carefully, and partner closely with product, design, data, and marketing on a small, senior team. This is a hands-on role. You’ll move between product judgment and system design, write production code, run trustworthy experiments, and turn learnings into durable product improvements — not one-off hacks. What You’ll Own: Acquisition and Conversion: Build and improve the web and product surfaces that introduce Future to prospective members and turn interest into signup. These include landing experiences, checkout and plan selection flows, and the instrumentation that shows where people drop off. Access and Onboarding: Simplify signup, login, account creation, and first-session activation. Remove friction, clarify value on Day 1, and help new members connect with coaching and get started quickly. Experimentation Systems: Design, ship, and analyze A/B and multivariate tests across the funnel. Partner with data to define metrics, guardrails, and experiment hygiene so we learn fast without polluting the product. Full-Stack Delivery : Implement features across frontend and backend — APIs, services, web UI, and the glue between

Tenstorrent is leading the industry on cutting-edge AI technology, revolutionizing performance expectations, ease of use, and cost efficiency. With AI redefining the computing paradigm, solutions must evolve to unify innovations in software models, compilers, platforms, networking, and semiconductors. Our diverse team of technologists have developed a high performance RISC-V CPU from scratch, and share a passion for AI and a deep desire to build the best AI platform possible. We value collaboration, curiosity, and a commitment to solving hard problems. We are growing our team and looking for contributors of all seniorities. Tenstorrent is looking for a hands-on Manufacturing Engineer to own the manufacturing interface between package design, semiconductor assembly, package test, board assembly, and final product integration. This role is focused on making advanced packages manufacturable and transferable from design engineering into qualified OSAT processes and downstream board/system assembly. You will work closely with Packaging Engineering, Silicon Manufacturing and Test, Quality, Supply Chain, PCB/board design, and external partners such as substrate suppliers, OSATs, test houses, and contract manufacturers. The ideal candidate understands how package decisions—such as package size, substrate construction, bump and ball design, warpage, underfill, materials, and assembly location—affect package yield, package test, PCB footprint and stencil design, SMT assembly, and final product readiness. This role is remote based out of Taiwan but requires close engagement with regional OSATs, foundry/test partners, contract manufacturers, and Tenstorrent engineering teams across multiple time zones. Regular on-site presence at partner factories is expected during qualification, commissioning, build, and ramp activities. We welcome candidates at various experience levels for this role. During the interview process, candidates will be assessed for the appropriate level, and of

About the Team OpenAI’s Hardware organization develops AI-native silicon and system-level solutions for the unique demands of advanced AI workloads. Building on efforts like Jalapeño, the team is developing future generations of AI-native silicon and tightly integrated systems to power the next generation of frontier models. By co-designing chips, systems, tools, and methodologies, the team helps deliver faster, more efficient, and production-ready hardware for OpenAI’s supercomputing platform. About the Role We are seeking a highly skilled Physical Design Engineer with deep expertise in physical design and methodology. This individual contributor role sits within our physical design team and is central to delivering power, performance, and area (PPA) optimized datapath and interconnect solutions for next-generation AI accelerators. You’ll work closely with RTL designers to define and execute on physical design strategies. You will develop tools, flows and methodologies to increase team productivity. Your work will directly impact silicon’s performance and cost efficiency, as well as the team’s execution velocity and quality. In this role, you will: Develop, build and own tools, flows and methodologies for physical implementation Own physical implementation of floorplan blocks from floorplanning to final signoff Collaborate with RTL designers to drive optimal block implementation solutions Analyze and optimize design for timing, power, and area trade-offs, working in collaboration with EDA vendors and ASIC partners Qualifications: BS w/ 4+ or MS with 2+ years or PhD with 0-1 year(s) of relevant industry experience in physical design and methodology development Demonstrated success in taping out complex silicon designs Hands-on experience with block physical implementation and PPA convergence Strong coding experience with python, bazel, TCL Strong experience building physical design tools, flows and methodologies Strong understanding of microarchitecture, RTL design,

About the Team OpenAI’s Hardware organization develops AI-native silicon and system-level solutions for the unique demands of advanced AI workloads. Building on efforts like Jalapeño, the team is developing future generations of AI-native silicon and tightly integrated systems to power the next generation of frontier models. By co-designing chips, systems, tools, and methodologies, the team helps deliver faster, more efficient, and production-ready hardware for OpenAI’s supercomputing platform. About the Role You will work on the systems software strategy and execution that brings new AI silicon from first power-on to a fully integrated system running production-representative models at expected functionality and performance. You will define how software exercises and validates compute, memory, interconnect, and I/O subsystems, then build the diagnostics, automation, and observability needed to find issues quickly. This role sits at the center of silicon, firmware, platform, systems, and workload teams. You will turn hardware specifications and performance targets into an end-to-end bringup plan, drive cross-functional debug, and establish the stress and regression infrastructure that makes each new platform reliable across operating environments. In this role, you will: Contribute to the end-to-end software bringup and validation strategy for new silicon and first-party systems. Define software-driven test coverage across compute, memory, interconnect, I/O, and their system-level interactions. Build diagnostics, test automation, telemetry, and regression infrastructure that accelerate first-silicon learning and issue isolation. Lead bringup from initial silicon arrival through board and system integration, docking, runtime enablement, and model execution. Design stress tests that characterize reliability, performance, and stability across workloads and operating conditions. Translate architecture specifications and performance models into measurable acceptance crit