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Job DescriptionCoreWeave is The Essential Cloud for AI™. Built for pioneers by pioneers, CoreWeave delivers a platform of technology, tools, and teams that enables innovators to build and scale AI with confidence. Trusted by leading AI labs, startups, and global enterprises, CoreWeave combines superior infrastructure performance with deep technical expertise to accelerate breakthroughs and turn compute into capability. Founded in 2017, CoreWeave became a publicly traded company (Nasdaq: CRWV) in March 2025. Learn more at www.coreweave.com. Please note that this is a 24/7/365 team. You will be asked to select and rank your preferred shift(s) below. What You'll Do: The Customer Experience (CX) Organization at CoreWeave is dedicated to ensuring every client running AI workloads at scale has a seamless, reliable, and high-performance experience. This team supports the infrastructure that powers the AI revolution—working across data centers, hardware systems, and customer workloads to maintain the integrity of our cloud platform. The CX organization aligns closely with the internal and customer engineering teams, offering valuable insights from the field and having the chance to contribute to the CoreWeave product roadmap and development. About the Role As a Bare Metal Support Engineer, you will be responsible for supporting, operating, and maintaining CoreWeave's extensive GPU fleet across our growing data centers in the U.S., Europe, and beyond. You will work closely with customers, data center technicians, and engineering teams to ensure the reliability, performance, and scalability of our infrastructure. In this role, you will: • Provide high-level support for customers utilizing bare-metal GPU fleets on CoreWeave Cloud., • Diagnose, triage, and investigate reported customer issues and high-priority incidents, identifying root causes and escalating when necessary., • Develop a deep understanding of customer workloads and use cases to provide tailored technical support., • Coordinate remote troubleshooting and hardware interventions with Data Center Technicians., • Create and maintain internal documentation, including troubleshooting guides, best practices, and knowledge base articles., • Participate in an on-call rotation to support production clusters and ensure operational reliability., • Collaborate with engineering teams to improve hardware reliability, software stability, and system performance., • Implement automation and scripting to streamline support workflows and reduce manual interventions., • Perform in-depth log analysis and debugging across multiple layers of the stack (firmware, drivers, hardware)., • Provide feedback to internal teams on common support issues to drive continuous improvements., • Work with networking teams to troubleshoot connectivity issues affecting customer workloads., • Support supercomputing infrastructure running GPU workloads at scale., • Drive operational excellence by refining internal processes and support methodologies. Who You Are: • Experience in data centers, GPU clusters, server deployments, system administration, or hardware troubleshooting., • Demonstrated experience driving resolutions and continuous improvements across cross-functional environments and teams within a data center environment., • Intermediate knowledge of Linux (Ubuntu, CentOS, or similar), including command-line proficiency., • Experience with NVIDIA GPUs, SuperMicro systems, Dell systems, high-performance computing (HPC), and large-scale data center environments., • Experience in networking fundamentals (TCP/IP, VLANs, DNS, DHCP) and troubleshooting tools., • Hands-on experience with firmware updates, BIOS configurations, and driver management., • Experience analyzing system logs and debugging issues across firmware, drivers, and hardware layers., • Experience working with Jira, Confluence, Notion, or other issue-tracking and documentation platforms., • Experience in scripting and automation (Python, Bash, Ansible, or similar). Wondering if you're a good fit? We believe in investing in our people and value candidates who bring unique backgrounds—even if you don't check every box. Here are a few qualities we've found make someone successful on our team. If some of this describes you, we'd love to talk. • You're curious about Kubernetes, Docker, and containerized infrastructure, • You have strong problem-solving skills with a proactive and analytical mindset., • You have excellent communication skills and a demonstrated ability to work collaboratively in a fast-paced environment. Why CoreWeave? At CoreWeave, we work hard, have fun, and move fast! We're in an exciting stage of hyper-growth that you will not want to miss out on. We're not afraid of a little chaos, and we're constantly learning. Our team cares deeply about how we build our product and how we work together, which is represented through our core values: • Be Curious at Your Core, • Act Like an Owner, • Empower Employees, • Deliver Best-in-Class Client Experiences, • Achieve More Together We support and encourage an entrepreneurial outlook and independent thinking. We foster an environment that encourages collaboration and provides the opportunity to develop innovative solutions to complex problems. As we get set for take off, the growth opportunities within the organization are constantly expanding. You will be surrounded by some of the best talent in the industry, who will want to learn from you, too. Come join us! The base salary range for this role is $83,000 to $132,000. The starting salary will be determined based on job-related knowledge, skills, experience, and market location. We strive for both market alignment and internal equity when determining compensation. In addition to base salary, our total rewards package includes a discretionary bonus, equity awards, and a comprehensive benefits program (all based on eligibility). What We Offer The range we've posted represents the typical compensation range for this role. To determine actual compensation, we review the market rate for each candidate which can include a variety of factors. These include qualifications, experience, interview performance, and location. In addition to a competitive salary, we offer a variety of benefits to support your needs, including: • Medical, dental, and vision insurance - 100% paid for by CoreWeave, • Company-paid Life Insurance, • Voluntary supplemental life insurance, • Short and long-term disability insurance, • Flexible Spending Account, • Health Savings Account, • Tuition Reimbursement, • Ability to Participate in Employee Stock Purchase Program (ESPP), • Mental Wellness Benefits through Spring Health, • Family-Forming support provided by Carrot, • Paid Parental Leave, • Flexible, full-service childcare support with Kinside, • 401(k) with a generous employer match, • Flexible PTO, • Catered lunch each day in our office and data center locations, • A casual work environment, • A work culture focused on innovative disruption California Applicants California Consumer Privacy Act Equal Opportunity & Accommodations CoreWeave is an equal opportunity employer, committed to fostering an inclusive and supportive workplace. All qualified applicants and candidates will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, veteran status, or genetic information. As part of this commitment and consistent with the Americans with Disabilities Act (ADA), CoreWeave will ensure that qualified applicants and candidates with disabilities are provided reasonable accommodations for the hiring process, unless such accommodation would cause an undue hardship. If reasonable accommodation is needed, please contact: careers@coreweave.com. Export Control Compliance This position requires access to export controlled information. To conform to U.S. Government export regulations applicable to that information, applicant must either be (A) a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful permanent resident (green card holder), (iii) refugee under 8 U.S.C. § 1157, or (iv) asylee under 8 U.S.C. § 1158, (B) eligible to access the export controlled information without a required export authorization, or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency. CoreWeave may, for legitimate business reasons, decline to pursue any export licensing process.

Job DescriptionAbout Thea Energy: Thea Energy is leveraging recent breakthroughs in stellarator physics and engineering to create a faster and simpler approach to commercializing fusion energy. The company is reinventing the stellarator using computer-controlled arrays of planar coils thereby replacing the intricate, complex modular magnets required in all other stellarator architectures. Thea Energy is on a mission to create a limitless source of zero emission energy for a sustainable future. Position Overview:Thea Energy is seeking a Power Electronics Engineer to design and develop the HTS magnet power supply systems for the company’s Eos integrated stellarator. This role focuses on building a high-current AC-DC converter for HTS magnets, requiring precision current regulation, high reliability, and scalable architecture. This role will be responsible for power stage design, topology selection, control algorithm interface, and protection systems, as well as thermal and mechanical integration. This is a high-impact engineering role with hands-on prototyping, testbed validation, and cross-functional collaboration with embedded systems and instrumentation teams. As part of a rapidly growing team, you’ll be part of the organizational build-up of a leading fusion energy company. This role will have a high degree of autonomy and must be able to move quickly. The Thea Energy team is comprised of self-motivated, creative, and fun individuals with an excitement for solving complex problems.Key Responsibility Areas: • Lead the topology selection, component specification, and schematic design of the HTS Magnet PSU., • Design modular power converters with potential for arrayed operation and independent control., • Analyze and simulate power converter behavior (steady-state, dynamic, fault response) using PLECS, LTspice, or Simulink., • Integrate with embedded control hardware and firmware, ensuring proper current regulation, fast feedback, and fault handling., • Define and implement magnet protection mechanisms, including overcurrent shutdown, fast discharge, and crowbar circuits if needed., • Design thermal management systems, including heat sink layout, forced air/water cooling, and temperature monitoring for continuous operation., • Design PCB layout and support mechanical integration, cabling, and in-house assembly., • Develop test plans and perform hardware bring-up, debugging, and parameter optimization under staged load conditions.Ideal Experience & Skillsets:, • Bachelor’s or Master’s degree in Electrical Engineering, Power Electronics, or a related field., • 5+ years of hands-on experience designing and testing power converters, preferably in high-current or magnet power supply applications., • Proficiency in power stage design for DC/DC converters, buck/boost, full-bridge, or current-regulated linear stages., • Strong simulation and modeling skills using tools such as PLECS, LTspice, PSIM, Simulink, or Simplorer., • Experience with IGBTs, MOSFETs, SiC/GaN devices, and high-current busbar and interconnect layout., • Familiarity with current sensors, signal conditioning, and analog control circuits., • Experience with magnet power supplies, fusion, accelerator, or industrial high-current systems., • Knowledge of quench detection, crowbar protection, and superconducting magnet interface requirements., • Experience with thermal design and integration of cooling solutions in power electronics., • Exposure to EMI/EMC mitigation strategies and compliance testing., • Familiarity with FPGA- or DSP-based digital control systems., • Simulation: PLECS, LTspice, PSIM, Simulink., • CAD: Altium Designer, OrCAD., • Measurement: Oscilloscopes, Power Analyzers, Electronic Loads., • Communication: CAN, RS-485, Modbus., • Thermal: Flotherm, SolidWorks for mechanical integration.Company Benefits:, • Salary range $95,000-$160,000, • Comprehensive health benefits (e.g. medical/dental/vision), • Employee equity stock options, • 20 days PTORequirements:, • Ability to occasionally lift up to 50 lbs., • Ability to perform activities such as typing, standing, or sitting for extended periods of time., • Willingness to occasionally travel or work required nights/weekends/on-call., • Ability to work in a facility that contains industrial hazards including heat, cold, noise, fumes, strong magnets, high voltage, high current, pressure systems, and cryogenics.It’s not necessary to meet all of the skillsets outlined above. Please feel free to send us a note and tell us why you would still be a great fit for this role or Thea Energy. Diversity and Inclusion: Thea Energy is an equal opportunity employer committed to creating a company of diverse backgrounds. By creating a diverse environment, we will bring new ideas and approaches to solving some of the world’s hardest (and most important) problems. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, sexual orientation, gender identity or expression, national origin, family or marital status, age, disability, veteran’s status, or other characteristic protected by applicable laws and regulations. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

Job DescriptionAbout Thea Energy: Thea Energy is leveraging recent breakthroughs in stellarator physics and engineering to create a faster and simpler approach to commercializing fusion energy. The company is reinventing the stellarator using computer-controlled arrays of planar coils thereby replacing the intricate, complex modular magnets required in all other stellarator architectures. Thea Energy is on a mission to create a limitless source of zero emission energy for a sustainable future. Position Overview:Thea Energy is seeking a highly skilled Electronics Hardware Design Engineer to lead the design and development of electronics, power electronics, and embedded control hardware for the Power Supply Systems, and Data Acquisition Units for the Control System of the Eos Stellarator. This engineer will be responsible for creating high-performance, reliable electronics to interface between control firmware, power conversion hardware, and diagnostics subsystems. The role includes schematic capture, PCB layout, component selection, hardware bring-up, and cross-functional integration with power electronics, software, and system engineers. This is a hands-on, lab-focused role with a critical impact on the development of the control core of a fusion energy system.Key Responsibility Areas:• Design and develop custom embedded control boards including: o ARM, DSP, and/or FPGA/SoC based controller boards o ADC/DAC interfaces, digital I/O, sensor front-ends o Gate driver boards and opto-isolated switching logic • Generate schematics and PCB layouts with a focus on signal integrity, high-current and/or high-voltage handling, and isolation., • Develop interface circuitry between embedded controllers and the power stage: current/voltage sensing, PWM outputs, fault inputs, and communication buses., • Select and source components based on performance, reliability, and availability., • Build and test prototypes, perform hardware bring-up, debugging, signal probing, and validation under operating conditions., • Collaborate with embedded firmware developers to ensure hardware/software compatibility and deterministic real-time behavior., • Work closely with power electronics engineers to ensure optimal mechanical, thermal, and electrical integration., • Implement EMI/EMC mitigation techniques, isolation strategies, and power integrity best practices.Ideal Experience & Skillsets: Required Qualifications: • Bachelor’s or Master’s degree in Electrical Engineering, Electronics Engineering, or related field., • 5+ years of experience in embedded hardware design for power systems, control systems, or instrumentation., • Expertise in: o Analog and mixed-signal circuit design o High-speed digital interfaces (SPI, I2C, UART, RS-485, CAN, Aurora) o Signal conditioning for sensors and actuators • Proficiency in schematic capture and PCB layout tools: Altium Designer or OrCAD, • Hands-on experience with: o Oscilloscopes, logic analyzers, and multimeters o Board-level debugging, rework, and signal probing • Strong understanding of PCB stackups, thermal design, creepage/clearance, and layout for high-current environments Preferred Qualifications: • Experience working on control electronics for power supplies, motor drives, or magnet systems, • Knowledge of gate driver design, isolation techniques, and fail-safe circuitry, • Familiarity with EMI/EMC compliance standards and mitigation techniques, • Exposure to RTOS- or FPGA-based control systems and real-time embedded integration Tools & Platforms: • Design Software: Altium Designer, OrCAD, LTSpice, PLECS (for co-design), • Lab Tools: Oscilloscopes, spectrum analyzers, signal generators, logic analyzers, • Interfaces: UART, SPI, I2C, RS-485, RS-232, CAN, FlexRay, Aurora, PWM, ADC/DAC Company Benefits: • Salary range $110,000-$150,000, • Comprehensive health benefits (e.g. medical/dental/vision), • Employee equity stock options, • 20 days PTORequirements:, • Ability to occasionally lift up to 50 lbs., • Ability to perform activities such as typing, standing, or sitting for extended periods of time., • Willingness to occasionally travel or work required nights/weekends/on-call., • Ability to work in a facility that contains industrial hazards including heat, cold, noise, fumes, strong magnets, high voltage, high current, pressure systems, and cryogenics.It’s not necessary to meet all of the skillsets outlined above. Please feel free to send us a note and tell us why you would still be a great fit for this role or Thea Energy. Diversity and Inclusion: Thea Energy is an equal opportunity employer committed to creating a company of diverse backgrounds. By creating a diverse environment, we will bring new ideas and approaches to solving some of the world’s hardest (and most important) problems. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, sexual orientation, gender identity or expression, national origin, family or marital status, age, disability, veteran’s status, or other characteristic protected by applicable laws and regulations. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

Job DescriptionDescription: Description • Install, wire, program and maintain Crestron control systems, • Install completely new Crestron audio systems via Dante., • Program and maintain video-walls by most popular brand manufacturers, i.e., Planar, Sony, Dak, Crimson applying pre-designed presets using Crestron control over IP., • Integration troubleshooting of systems as well as making design suggestions and upgrades (hardware/firmware) where needed., • Extron Control Professional, Crestron 4K Engineer and Designer, as well as CTS certified., • Typical duties included programming Crestron, AMX, Extron, QSC, Biamp, ClearOne and other systems making additions and firmware updates to all where needed., • No limitation regarding large or small systems., • Capable of training end users as final stage of implementation. Requirements: Standard Certifications Crestron: • Configuration of Crestron Systems, Essentials of Crestron Programming, Crestron Lighting Control System AMX: • Certified AMX Designer, Installation Support & Access Programming, Certified AMX Programmer, Certified AMX Installer Audio DSP Systems: • Biamp Certificate of Achievement, Tesira, Nexia, QSC, BSS SoundWeb London and Audinate - Dante Network Configuration Experience. Extron: • Control Professional Pro Series Networking: • Configurations of Managed and Unmanaged switches. Familiar with standard network switching, Cisco, D-Link, Netgear and other manufactures either in a closed or open network environment.. Video-conferencing: • Logitech Tap, Teams Room, Polycom HDX systems and Crestron Zoom Room systems on integrated designs.

Job DescriptionDescription: Description • Install, wire, program and maintain Crestron control systems, • Install completely new Crestron audio systems via Dante., • Program and maintain video-walls by most popular brand manufacturers, i.e., Planar, Sony, Dak, Crimson applying pre-designed presets using Crestron control over IP., • Integration troubleshooting of systems as well as making design suggestions and upgrades (hardware/firmware) where needed., • Extron Control Professional, Crestron 4K Engineer and Designer, as well as CTS certified., • Typical duties included programming Crestron, AMX, Extron, QSC, Biamp, ClearOne and other systems making additions and firmware updates to all where needed., • No limitation regarding large or small systems., • Capable of training end users as final stage of implementation.Requirements: Standard Certifications Crestron: • Configuration of Crestron Systems, Essentials of Crestron Programming, Crestron Lighting Control System AMX: • Certified AMX Designer, Installation Support & Access Programming, Certified AMX Programmer, Certified AMX Installer Audio DSP Systems: • Biamp Certificate of Achievement, Tesira, Nexia, QSC, BSS SoundWeb London and Audinate - Dante Network Configuration Experience. Extron: • Control Professional Pro Series Networking: • Configurations of Managed and Unmanaged switches. Familiar with standard network switching, Cisco, D-Link, Netgear and other manufactures either in a closed or open network environment.. Video-conferencing: • Logitech Tap, Teams Room, Polycom HDX systems and Crestron Zoom Room systems on integrated designs.

Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves. We are seeking a highly experienced Senior Site Reliability Engineer – Compute Platforms to design, implement, and support Kubernetes on baremetal and hypervisor platforms in a private cloud environment. This role is responsible for the architecture, design, and standardization of enterprise compute and hypervisor environments spanning bare metal infrastructure, operating systems, hypervisors, private cloud orchestration, and Kubernetes using Infrastructure-as-Code and GitOps practices. This is a deeply technical role requiring expert-level understanding of compute hardware management, Kubernetes, OpenStack, hypervisors and extensive working knowledge on Linux Operating systems. You will also collaborate with platform and SRE teams to maintain secure, performant, and multi-tenant-isolated services that serve high-throughput, mission-critical applications. Key Responsibilities • Lead the architecture and design of enterprise compute and hypervisor platform solutions across hardware, OS, virtualization, cloud orchestration, and container orchestration layers, • Define standards and automation frameworks for bare metal provisioning and lifecycle management, • Design and implement Bare Metal as a Service (BMaaS) capabilities for scalable infrastructure consumption, • Architect and design Kubernetes platforms on bare metal with QoS and Affinity (ArgoCD), • Architect and validate automated deployments of operating systems and hypervisors including Ubuntu and Harvester, • Design and maintain PXE-based provisioning environments leveraging Redfish APIs for large-scale server deployments, • Develop Infrastructure-as-Code using Ansible, Terraform, Helm and Git, with Python/Bash automation., • Implement CI/CD pipelines for infrastructure updates, patching, upgrades, testing, and rollback., • Design automated workflows for server build, firmware lifecycle management, patching, and hardware validation, • Evaluate and standardize enterprise hardware platforms to meet performance, scalability, and reliability requirements, • Produce detailed high-level and low-level design documentation, build guides, and operational handoff materials, • Perform deep troubleshooting across storage, Kubernetes, hypervisors, networking, and Linux systems, • Partner with operations, network, storage, and platform teams to ensure designs are supportable and production-ready, • Participate in on-call escalation support for complex platform-related issues, • Collaborate globally on change management, documentation, and operational best practices Minimum Qualifications • 6+ years of experience in infrastructure engineering, platform engineering, or DevOps with a strong focus on Compute system design, • Proven experience designing and automating bare metal compute environments at scale, • Strong hands-on experience with PXE boot, network-based OS provisioning, and automated server imaging, • Experience implementing or supporting Bare Metal as a Service (BMaaS) platforms, • Practical experience using Redfish APIs for hardware provisioning, power management, and remote lifecycle operations, • Deep expertise with Ubuntu Linux in enterprise environments, • Strong Hands-on experience with KVM hypervisors (Suse Harvester, OpenStack)., • Experience designing and deploying production-grade Kubernetes clusters, • Strong background with enterprise compute hardware platforms, including Cisco UCS, Dell PowerEdge, Supermicro systems & HPE, • Proficiency with Infrastructure as Code tools (e.g., Terraform, Ansible, or similar), • Experience building or supporting CI/CD pipelines for infrastructure and platform automation, • Strong scripting skills in Python, Bash, or similar languages, • Demonstrated ability to produce clear, structured technical design documentation, • Excellent written and verbal communication skills, • Bachelor’s degree in computer science or equivalent professional experience Preferred Qualifications • OpenStack, Ubuntu KVM administration., • BareMetal as a Service (PXE, Redfish)., • Kubernetes on BareMetal, • CIS/NIST security and infrastructure lifecycle management., • ITIL Foundation/advanced certifications in support of ITSM standard methodology., • Background in telco, edge cloud, or large enterprise environments., • Ubuntu Certifications, CNCF Certified Kubernetes Administrator (CKA), Certified Kubernetes Security Specialist (CKS), • Master’s degree in computer science, IT, Engineering, or a related field preferred; equivalent experience and relevant industry certifications will also be considered What You’ll Get • A collaborative team that’s deeply invested in infrastructure excellence., • Complex technical challenges that require creative, scalable solutions., • The opportunity to shape a next-generation private cloud platform-built reliability, • Access to the latest tools, frameworks, and upstream project developments Skills and Attributes: • Analytical Thinking & Problem Solving: Demonstrated ability to translate complex, cross-domain requirements into scalable and resilient cloud infrastructure and automation solutions, • Collaboration & Teamwork: Strong interpersonal and communication skills with a proven track record of effective collaboration across multidisciplinary teams, including developers, operations, security, and product stakeholders, • Mentorship & Leadership: Passionate about knowledge-sharing and mentorship, with experience guiding junior engineers and fostering a team culture of continuous learning, innovation, and technical excellence in cloud engineering and DevOps practices Work Location: This role is fully remote for candidates who reside outside the 50 mile radius of our San Ramon office. For candidates who reside within 50 miles of our San Ramon location, this role is Hybrid and would require 3 days a week (M, W, TH) in our San Ramon office. As part of our continued commitment to diversity, equity, and inclusion, Five9 supports pay transparency during the entire recruitment process. Actual compensation packages are based on several factors that are unique to each candidate including, but not limited to: skill set, depth of experience, certifications, and specific work location. The range displayed reflects the minimum and maximum target for new hire salaries for the job across the United States. Your recruiter can share more about the specific compensation package during your hiring process. Additionally, the total compensation package for this position may also include an annual performance bonus, stock, and/or other applicable incentive compensation plans. Our total reward package also includes: • Health, dental, and vision coverage, beginning on the first day of employment. Five9 covers 100% of the employee portion of the health, dental and vision coverage and shares a high portion of the dependent cost. We also offer Short & Long-Term Disability, Basic Life Insurance, and a 401k saving plan with employer matching., • Access to an innovative mental health support platform that offers personalized care and resources in areas such as: therapy, coaching and self-guided mindfulness exercises for all covered employees and their covered dependents., • Generous employee stock purchase plan., • Paid Time Off, Company paid holidays, paid volunteer hours and 12 weeks paid parental leave. All compensation and benefits are subject to the requirements and restrictions set forth in the applicable plan documents and any written agreements between the parties. The US base salary range for this role is below. $82,300 - $228,800 USD Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills. The more inclusive we are, the better we are. Five9 is an equal opportunity employer. View our privacy policy, including our privacy notice to California residents here: _. Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.

Spear AI is seeking an engineer to provide DevOps and infrastructure for the embedded software team on our hardware platforms. This person will also serve as an informal interface between the embedded software team and the company-wide software group, reporting to the VP of software but co-located with the hardware team. Your job will be to provide best practices for HIL, SIL, CI/CD, Deployment, Provisioning, Configuration, etc., to the firmware team using Spear AI’s cloud-based infrastructure and applications. Spear AI serves the national security industry, providing hardware, software, and data solutions that span classification levels and are intended for operational deployment. Spear AI is a rapidly growing company with a commitment to the development of excellent products through continuous fielding. Spear offers competitive pay, stock options, excellent benefits, and generous paid time off. This role goes to sea. You will personally participate in buoy deployments, recovery operations, and at-sea testing several times a year. The work requires the ability to lift and handle equipment on a small boat in open water, communicate clearly under field conditions, and perform fine manipulations on hardware while underway. This is not an optional or occasional aspect of the job. It is one of the main reasons the position exists and one of the things that make our software better than anyone else’s. If you’re the right candidate, within your first 60 days, four things will be true: You’ll have crafted and partially implemented a plan for CI/CD/HIL/SIL for our firmware. You’ll have evaluated our current provisioning and configuration systems and made substantial improvements that have been moved to production. You’ll have been to sea at least three times and have a good understanding of what our operators need to be successful. You’ll be deeply integrated with your teammates and emotionally invested in the mission and collective success. This position will be part of two teams: Spear AI’s mostly remote software team and our interdisciplinary hardware development team located in Falmouth, MA. The Hardware team includes a diverse group of engineers and technicians, including Mechanical hardware and board-level electronics Design Engineers, while the software team includes a diverse group of Data, Design, Full Stack, Infrastructure, and Machine Learning engineers. Successful candidates will work well with both teams and bridge the gap to deliver sensor systems that meet customer needs. Responsibilities may vary, but will generally include: Own and develop the CI/CD/SIL/HIL testing pipeline for Spear AI’s embedded software. Personally develop and coordinate other spear resources to mesh the cloud-based software systems with the hardware systems to accelerate automation and error checking around all aspects of provisioning, configuration, deployment, etc., for our embedded software. Translate general system requirements to actionable software tasks and architecture. Mentor junior colleagues as the team grows. This is a hardware/software integration role. Your experience must include previous hardware interactions.: Expert in Infrastructure as Code using Pulumi or Terraform. Expert in Docker and Kubernetes. Expert in CI/CD and DevOps with GitHub Actions. Expert in HIL Testing. Proficiency in AWS and/or other cloud services. Proficiency in Python or TypeScript. Proficiency with networking. Familiar with cybersecurity compliance frameworks like CMMC, PCI, or SOC. Experience deploying to air-gapped environments. Experience self-hosting on bare metal servers. Excellent verbal and good written communication skills. Experience working in a Linux environment. You may be asked to obtain a SECRET or TOP SECRET security clearance. This will be at no expense to you. For resources on what a security background entails and what disqualifies people, refer to the CIA requirements. We’re looking for someone with strong Software Engineering skills who shares our most important values: Any maritime operations experience, including small boat operations, over-the-side handling, field repair, and logistics of a trip to sea. Prior military service or a history of working with military customers/personnel. We ship — We don’t work on 18-month projects that are irrelevant before they’re even finished. Our work has impact — We build products that are deployed to U.S. submarines and integrate with the sonobuoys we manufacture. We’re growing responsibly — We have the resources to hire a lot more people, but we don’t want to build a massive team of people who don’t share our values. We’re remote — Work from wherever you want. We collaborate in real time on Slack or asynchronously via GitHub. We’re profitable — We aren’t burning through cash trying to make the business work. But we also have investors who believe in us and are committed to our success. We care about doing great work — You don’t need permission to sweat the details here. We don’t take ourselves too seriously — We’re building products that make the world safer. But we don’t let that get to our heads. Unlimited PTO — Take the time you need to recharge and maintain work-life balance. Dedicated sick time — Your health and well-being come first. Comprehensive health and benefits – Medical, dental, and vision coverage to keep you and your family protected. 11 Paid Holidays — Enjoy time off throughout the year to celebrate and spend time with loved ones. Professional development — Educational opportunities and resources to help you grow your skills and advance your career. Collaborative environment — Work directly with leadership in our flat organizational structure, where your ideas and contributions matter. Mission-driven work — Contribute to projects that directly support national security and make a real-world impact. Growth opportunities — Join us during an exciting expansion phase where you can help shape our future. 401(k) with company match. Onsite / Remote / Flexible work arrangements or hybrid options (position dependent). Relocation assistance (position dependent). Referral bonuses. Performance bonuses. Life insurance and disability coverage. Technology home office setup stipend. Professional certification reimbursement (position dependent). We offer competitive compensation tailored to your experience, location, and the impact you’ll make. We’re committed to equitable pay and will share a range aligned to your level and geography during the hiring process. In accordance with state law, candidates in jurisdictions such as CA, CO, WA, NY, and others, where applicable, will be provided a good-faith salary range upon request and throughout the hiring process. This is a full-time, exempt position under the Fair Labor Standards Act (FLSA) and is not eligible for overtime pay. Compensation for this position is provided on a salaried basis and is not subject to reduction based on hours worked. At Spear AI, you’ll find more than just a job; you’ll join a mission-driven team where your work directly contributes to national security. Our flat organizational structure means your voice matters, your ideas reach leadership, and your impact is visible. As we grow, we’re committed to building robust processes and infrastructure that support both our mission and our people. We value collaboration, continuous improvement, and the expertise each team member brings to the table. If you’re looking for a place to grow professionally while working on projects that truly matter, we’d love to hear from you.

Do you want to help a small company make a BIG difference in space? Do you take ownership of your job and responsibility for your actions? Then come work for Red Canyon and help us continue our mission of helping humankind reach the stars! Here's a chance to work with an international aerospace company specializing in the production of small satellite platforms (from 6U CubeSats up to >300kg SmallSats) and innovative products to improve the comfort of space explorers. Thanks to its facilities and know-how, the company's activities follow the "all in-house" concept, which includes design, development, integration, qualification and operational services. Working with leading international space agencies (e.g. NASA, ESA) and private companies, with an increasing focus on commercial partnerships. Our satellites have been selected for flagship missions such as NASA Artemis-1 and NASA DART. The company is advancing several major missions, such as a 40-satellite Earth observation constellation for integration into the Italian IRIDE program, as well as scientific missions such as LUMIO and HENON, and many other cutting-edge space projects. IMPORTANT NOTICE To conform to U.S. Government international trade regulations, the applicant must be a U.S. Citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State or U.S. Department of Commerce. DUTIES & RESPONSIBILITIES As an Embedded Software Engineer in our California team, you will report to the Chief of Telecom Engineering. You will be responsible for leading the development of the UST-Lite software-defined radio (SDR). This role involves designing and implementing embedded C/C++ software for LEON3 softcore processors, architecting autoboot mechanisms for FPGA and soft processor initialization, and integrating SpaceWire and other communication interfaces. You will take ownership of software system integration, debugging, and requirements traceability, while collaborating closely with FPGA engineers and quality assurance teams. • Develop embedded C/C++ & Python software for LEON3 softcore processors on Xilinx Kintex UltraScale and Microchip ProASIC3 platforms;, • Architect and implement software mechanisms to support autoboot loading of FPGAs and LEON softcore processors;, • Develop application software for SDRs to perform radio hardware configuration and initialization, protocol control and management (e.g. CCSDS Proximity-1), and supervisory functions;, • Collaborate with FPGA engineers to embed softcore IP and integrate interfaces;, • Define and implement commands, telemetry, and configuration mechanisms for multiple SDR operational modes;, • Implement and test SpaceWire cores and protocol handling, with future contributions to Ethernet and CAN interface implementation;, • Set up and maintain Linux build environments for cross-compilation using Gaisler RTEMS and Bare-C Cross Compiler (RCC/BCC) toolchains;, • Take full ownership of integration and debugging of software/firmware interactions, and system bring-up;, • Perform system integration, HW/SW troubleshooting, and end-to-end verification;, • Review system-level requirements and generate, maintain, and verify lower-level software requirements to ensure compliance and traceability;, • Work closely with quality assurance and lead growth initiatives for software quality management;, • Develop and maintain software design documentation, including any simulators/emulators used for development;, • Develop support applications (EGSE) for avionics system (AVS) interface simulation;, • Document build, boot, and operational procedures clearly for internal and external stakeholders;, • Support next-generation processor and FPGA architecture updates., • Team player and a “Do what it takes” attitude;, • Bachelor’s or Master’s Degree in Electrical Engineering, Computer Engineering, Computer Science or related fields;, • At least 5+ years of experience in embedded software development or relevant roles (relevant experience may be considered in lieu of education);, • U.S. Citizenship or U.S. Permanent Residency is required;, • Strong C/C++ experience for embedded systems (softcore processor environments preferred);, • Familiarity with assembly language or experience writing space-optimized code for bootstrapping and high-efficiency tasks;, • RTOS experience with RTEMS: integration, configuration, and deployment on LEON3;, • Hands-on experience with Linux build environments; cross-compilation using Gaisler RCC and BCC;, • Proficiency with GRMON debug tool;, • Familiarity with FPGA workflows, IP integration, and HW/SW interface design;, • Experience implementing and testing SpaceWire protocols/cores in FPGA environments;, • Basic experience with serial interfaces in FPGA environments;, • Ability to work autonomously, taking full ownership of tasks and priorities while ensuring alignment with team objectives in a dynamic, fast-paced environment;, • Analytical mind, as well as a continuous learning attitude;, • Excellent attitude towards teamwork and cooperation;, • Excellent written and oral communication in English., • Background in Space or Defense industries will be considered as a plus;, • Experience with Ethernet and CAN interfaces in FPGA/embedded environments;, • Knowledge of FPGA toolchains and SoC design principles;, • Familiarity with CCSDS, ETSI, ECSS, and other relevant space protocol standards;, • Understanding of Spacecraft Telecommunications terminology and operations;, • Knowledge of SDR architectures and radio communications concepts;, • Understanding of NASA and ESA standards for software and systems engineering (e.g., ECSS, NASA-STD-8739);, • Familiarity of NASA-STD-1006, encryption standards, and industry best practices;, • Strong problem-solving skills and adaptability across HW/SW/FW boundaries.$100,000 - $200,000 a yearWHAT WE OFFER · Annual incentive pay is based upon performance and commensurate with the level of the position;· Generous benefit package, including medical, dental, and vision plans, 401(k) with 100% match up to 8%, life insurance, · 3 weeks paid time off, tuition reimbursement, and more.Red Canyon Engineering and Software: “Exploring Other Planets, Improving our Own” Red Canyon contracts with NASA, NOAA, NREL, JPL, and DOD, in addition to customers such as Lockheed Martin Space, Raytheon, Sierra Space, a.i. solutions, Walt Disney Imagineering, SAIC, Sidus Space, Ball Aerospace, SpaceX, Honeywell, KBRwyle, Peraton, LASP, Maxar, Blue Origin, and Moog. We specialize in building spacecraft, developing renewable energy technologies to help make our planet a better world and cutting edge research and development. Our disciplines include embedded flight software, software testing, GN&C, systems engineering, mechanical design, structural analysis, real time flight and ground software, simulation software, user interface software, and mission management software. We help our contractors with the full life cycle of product development from requirements to test and delivery. Some of the programs we have previously or currently worked on include: Human Lander System, Artemis I-II, WorldView Legion V, Perseverance Rover, InSight, GeoXO, Tranche-1, LizzieSat, Dream Chaser, Psyche, Mars 98, Odyssey 01, Stardust, Genesis and Deep Impact, Mars Phoenix, Joint Polar Satellite System, Mars Reconnaissance Orbiter, Orion, Lunar Reconnaissance Orbiter, GOES-R, OSIRIS-REx, Maven, JUNO, Grail, and the MarsFlight and LunarSIM Simulation. Red Canyon’s home office is located in scenic Denver, Colorado, and our regional office, Launch Now, is in historic downtown Titusville, Florida. We are a small company that maintains a flat organization to decrease our overhead and costs to our customers. Our number one focus is to solve some of the most complicated engineering problems humankind is facing. Does it sound like you want to join our mission? We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

Rolling Wireless is an international company with 20+ years of experience in developing cellular modems and software for the automotive market. We are the largest 2nd Tier supplier of cellular modems worldwide to the automotive industry. Working at Rolling Wireless is joining a multicultural team at a high-growth organization. Position / Assignment Purpose: We are looking for a Certification Support Test Engineer who will play critical role in certifying our wireless module products. Working with carriers/operators and 3rd Party Labs in the North American region and in supporting our customers during their product certification process. You will work with carriers/operators, test labs and with the engineering teams based in Europe and other overseas locations, to complete certification testing activities in labs or in the field. You will help define the test campaign, remote and field testing, collect logs, troubleshoot issues and create test reports. Provide guidance to Developement or RnD members to constently improve quality of SW and HW. You should be able to work both independently and as a team member. Position / Assignment Summary: The responsibilities of the certification support engineer includes: 1. Secure our product to get the world wide carriers approval smoothly and on time;, 2. Support certification pre-testing, field testing, remote and mobile testing. Key Accountabilities / Statement of Work: • Assessing regulatory, industry and global network operator certification and testing requirements for Automotive, PC Module, and IoT products to demonstrate conformance. • Interface with varous carrier labs, and certification bodies to attain product certification., • Ensure product customizations and configurations are accurate and correct., • Issue resolution tracking and assist with debugging support and resolution. Required Education and Experience: 1. Bachelor Degree, preferably in Telecommunication or Communication Engineering, 2. Experience with cellular wireless communication technologies(5G NR /4G-LTE /3G, 36/38 series of 3GPP);, 3. Experience working directly with testing laboratories required, testing tools, in addtion to Field Testing preferred;, 4. At least 2 years' relevant experience in software/firmware development or validation for IoT/PC Module/Automotive/Handset products, with skills in Debug Tools such as QXDM etc., 5. Available for travel, sometime on short notice within US Market Required Skills and Competencies: Effective communication skills interfacting with different 3rd party labs and managing project interdependencies is essential.

Job Title: Storage Engineer About Hydra Host Hydra Host is a Founders Fund-backed NVIDIA cloud partner building the infrastructure platform that powers AI at scale. We connect AI Factories - high-performance GPU data centers - with the teams that depend on them: research labs training foundation models, enterprises running production inference, and developer platforms demanding scalable compute capacity. Hydra Host is building the next-generation bare-metal GPU infrastructure network and marketplace under its Brokkr platform. The company enables independent data centers to monetize GPU capacity while providing enterprises with scalable, high-performance access to NVIDIA-based compute (e.g., H100, H200, B200, L40S, RTX 4090). As we expand our infrastructure capabilities, Hydra Host is now seeking a Storage Engineer to lead the architecture, development, and deployment of our next-generation AI/HPC storage platform. The role: As a Storage Engineer, you will be responsible for designing and building Hydra Host’s first production-grade storage platform from the ground up, supporting the company’s rapidly expanding network of bare-metal GPU clusters. You’ll own the architecture, technology selection, implementation, and evolution of this platform, defining how Hydra Host manages data for large-scale, distributed AI workloads across global data centers. This is a senior, hands-on role for an engineer who has built storage systems for GPU clusters before, with deep expertise in both block and object storage and a strong understanding of parallel file systems, performance optimization, and large-scale orchestration. Key Responsibilities · Define, architect, and implement Hydra Host’s first production storage platform tailored for bare-metal GPU clusters and AI/HPC workloads. · Lead all technical decisions around storage stack design, from hardware infrastructure to parallel file system orchestration and performance tuning. · Select, build, and maintain storage solutions spanning both block (NVMe, SAN, Ceph, etc.) and object storage (S3-compatible, custom, or Ceph Object Gateway) layers. · Design for high-throughput, low-latency access, supporting large datasets, rapid checkpointing, and parallel access for distributed AI training workloads. · Integrate and optimize parallel file systems such as Lustre, BeeGFS, Spectrum Scale, WekaIO, or CephFS, ensuring maximum performance and fault tolerance. · Ensure compatibility across Hydra’s diverse GPU/OEM ecosystem, accounting for unique firmware, BMC/Redfish APIs, and hardware configurations. · Develop automation, observability, and management tooling for storage, focusing on reliability, scalability, and efficiency. · Act as a builder and architect: deeply hands-on in deployment, troubleshooting, and optimization, while guiding long-term storage roadmap. · Collaborate cross-functionally with GPU, HPC, and platform engineering teams to integrate storage with compute and network layers. · Interface with customers and product leadership to define feature priorities, performance benchmarks, and future enhancements. Must-Have Qualifications · 8+ years of progressive, hands-on experience designing and implementing high-performance storage systems for compute clusters in HPC, AI, or bare-metal cloud environments. · Proven track record building storage infrastructure from scratch, not just operating existing systems. · Deep expertise in block storage (NVMe, SAN, Ceph, distributed block systems) and object storage (S3, MinIO, Ceph Object Gateway, etc.). · Strong background in parallel file systems (WekaIO, BeeGFS, Lustre, Spectrum Scale, or similar) supporting GPU or AI cluster workloads. · Solid foundation in Linux systems engineering, automation, and scripting for distributed environments. · Familiarity with BMC, Redfish APIs, and OEM server firmware for bare-metal management. · Deep understanding of AI/ML data pipelines: model checkpointing, data locality, and multi-tiered storage optimization. · Excellent problem-solving, debugging, and communication skills, able to translate technical decisions into clear architectural direction. Preferred Qualifications · Experience building storage solutions for large-scale GPU or HPC infrastructure. · History of technical leadership or mentorship, growing teams or owning a product roadmap. · Experience evaluating and managing vendor relationships and negotiating storage hardware/software contracts. · Contributions to open-source HPC or storage projects (Ceph, Lustre, BeeGFS, etc.). · Familiarity with confidential computing, secure data handling, or high-availability architectures.

About Ditto: Ditto is redefining how data moves at the edge. Our mission is to make it seamless for developers to build resilient, real-time applications, regardless of network conditions. Whether you're in a stadium, airplane, or remote military base, Ditto's peer-to-peer sync engine ensures devices stay connected and data stays consistent, even without internet. With more than $145 million in funding and trusted by organizations like Chick-fil-A, Delta Airlines, and the U.S. military, Ditto powers mission-critical experiences across aviation, retail, travel, hospitality, defense, and more. As a globally distributed, fast-growing startup, we’re committed to building a diverse and inclusive team that reflects the wide range of perspectives needed to solve the world’s hardest connectivity problems. As a Forward Deployed Engineer (FDE), you are the technical tip of the spear. FDEs are elite, versatile engineers who work shoulder-to-shoulder with our most critical users to solve complex challenges in real time. Your primary mission is to radically decrease the time-to-value of our software by integrating it directly into the user's operational environment. Because you see firsthand how our technology performs in the wild, you will also act as a crucial conduit, feeding technical insights and feature requirements back to our core product engineering team. This role requires a highly adaptable problem-solver who is comfortable moving fast, navigating ambiguity, and figuring things out quickly in high-stakes environments. Integrate with Robotic Platforms: Lead the on-site software integration of our platform with unmanned ground, aerial, and maritime systems, building reliable data bridges between our synchronization layer and robotic autonomy stacks. Develop on ROS2 and DDS Middleware: Architect, build, and troubleshoot software nodes within ROS2frameworks, leveraging DDS (Data Distribution Service) for real-time, publish-subscribe communication between robotic subsystems and our core platform. Implement MAVLink Integrations: Build and optimize MAVLink-based communication pipelines for telemetry, command, and control of unmanned aerial systems (UAS), ensuring reliable data exchange between our platform and autopilot firmware. Solve Problems in Real-Time: Act as the first line of technical defense, rapidly diagnosing and resolving software, sensor, and communication issues on robotic platforms as they arise during field testing and live operations. Bridge the Gap: Translate the unique realities of robotic systems integration—sensor noise, real-time constraints, autonomy edge cases—into actionable technical requirements for the core product development team. Clearance Requirement: Must hold an active Secret clearance (Due to federal security clearance requirements, U.S. Citizenship is strictly required for this role). 5+ years of experience in robotics software engineering, autonomous systems development, or related fields. This includes hands-on experience developing, integrating, and testing software on physical robotic platforms (ground, aerial, or maritime). 2+ years of technical experience working with ROS2 (Robot Operating System 2), including node development, lifecycle management, launch files, and real-time communication via DDS middleware. Prior experience with MAVLink protocol for UAS telemetry and command/control, including integration with autopilot systems (e.g., PX4, ArduPilot) and ground control stations. Familiarity with motion planning concepts and algorithms, including path planning, trajectory optimization, and obstacle avoidance in real-world operational environments. A highly adaptable, problem-solving mindset, with the ability to navigate ambiguity, move fast, and balance immediate operational fixes with long-term technical fidelity. Strong communication skills, both written and verbal. As the crucial bridge between the operational edge and our core development team, you must be able to translate complex, edge-case technical realities and user workflows into clear, actionable requirements for product engineers. Experience with sensor fusion and perception pipelines, including integration of LiDAR, IMU, GPS, and camera data for localization and mapping (SLAM). Familiarity with simulation environments (e.g., Gazebo, AirSim, CARLA) for testing robotic software prior to field deployment. Prior experience with CRDTs (Conflict-free Replicated Data Types) or local-first software architectures to manage complex data synchronization without a central server. A background in systems programming (e.g., C++, Rust, or Python) with experience writing performant, real-time code for resource-constrained embedded platforms. Direct experience with DoD or defense-related robotic programs, including an understanding of safety, certification, and operational constraints for unmanned systems. Experience with edge computing and containerized deployments on robotic platforms, including lightweight orchestration (K3s, Docker) on ARM-based or embedded hardware. Familiarity with computer vision frameworks (e.g., OpenCV, TensorRT) and deploying inference models on edge devices for real-time perception tasks. Clearance: Active Secret We offer competitive salaries and meaningful equity. We believe everyone on the team should have a stake in what we’re building. Benefits vary by region to make sure you're covered in the ways that matter most. In the US, that includes health, dental, vision, life, and disability insurance, plus a 401(k) and flexible spending accounts. Regardless of where you live, everyone at Ditto can utilize flexible time off. And while we work remotely, our Atlanta and San Francisco offices are open if you ever want a place to work or meet up with teammates. At Ditto, we know game-changers don’t always come wrapped in a “perfect” resume. Years of experience? Every single bullet point checked? Meh. That’s not what drives us. What does matter? Grit. Curiosity. Adaptability. And a genuine spark for what we’re building. So if you’re fired up about our mission but not sure you tick every box - hit that apply button anyway. Use your application to show us how you’ll make an impact here. We’re always on the lookout for exceptional humans who want to grow, stretch, and build something meaningful with us. Ditto is proud to be an equal-opportunity employer. We do not discriminate in hiring or any employment decision based on race, color, religion, national origin, age, sex (including pregnancy, childbirth, or related medical conditions), marital status, ancestry, physical or mental disability, genetic information, veteran status, gender identity or expression, sexual orientation, or other applicable legally protected characteristics. Ditto is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If you need assistance or an accommodation due to a disability, please let us know.

About the role: Connected Asset Maintenance (CAM) is one of Samsara’s fastest-growing software bets: a brand-new product area focused on transforming asset and fleet maintenance from reactive, paper-based workflows into AI-driven, predictive maintenance programs. We’re building a modern platform that uses rich IoT and telematics data, intuitive interfaces, and centralized workflows to help customers reduce downtime, extend asset life, and run more efficient operations. We are seeking a Staff Software Engineer to serve as a technical anchor for CAM. In this role, you will lead the design and evolution of our predictive maintenance platform, partnering closely with product, data science/ML, design, and customers to build and scale high-impact capabilities for our customers. You’ll be responsible for shaping the architecture for ML-powered features — from time-series modeling and data pipelines to APIs and customer-facing workflows — and for raising the engineering bar across the team. This role is remote and open to candidates residing in the US. Relocation assistance will not be provided for this role. You should apply if: • You want to impact the industries that run our world: The software, firmware, and hardware you build will result in real-world impact—helping to keep the lights on, get food into grocery stores, and most importantly, ensure workers return home safely., • You want to build for scale: With over 2.3 million IoT devices deployed to our global customers, you will work on a range of new and mature technologies driving scalable innovation for customers across industries driving the world's physical operations., • You are a life-long learner: We have ambitious goals. Every Samsarian has a growth mindset as we work with a wide range of technologies, challenges, and customers that push us to learn on the go., • You believe customers are more than a number: Samsara engineers enjoy a rare closeness to the end user and you will have the opportunity to participate in customer interviews, collaborate with customer success and product managers, and use metrics to ensure our work is translating into better customer outcomes., • You are a team player: Working on our Samsara Engineering teams requires a mix of independent effort and collaboration. Motivated by our mission, we’re all racing toward our connected operations vision, and we intend to win—together. In this role, you will: • Define and drive the technical strategy for CAM’s predictive maintenance platform, including architecture for data ingestion, feature engineering, model serving, and customer-facing workflows., • Lead the design and implementation of new predictive models and data products, working closely with ML/data partners to move from proof-of-concept to robust, monitored, and continuously improving production systems., • Own and evolve large-scale, distributed systems that process high-volume time-series and event data from Samsara devices and third-party sources, ensuring reliability, performance, and cost efficiency as we grow., • Collaborate across the stack (backend, web, and potentially mobile) to deliver end-to-end features—APIs, data models, business logic, and intuitive UI flows—that bring predictive insights into day-to-day maintenance workflows., • Partner with product, design, and customer-facing teams to define the roadmap, translate ambiguous business problems into clear technical projects, and measure the impact of what we ship (e.g., reduced breakdowns, fewer emergency repairs, improved shop throughput)., • Mentor and multiply other engineers on the team through code reviews, design reviews, technical coaching, and by setting high standards for quality, reliability, and velocity. Minimum requirements for the role: • Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience., • 8+ years of experience in software design and development, including building and operating production systems at scale., • 3+ years building data-intensive or ML-backed products, such as forecasting systems, anomaly detection, recommendation systems, or other high-complexity predictive models (e.g., in fintech, health, reliability, or similar domains)., • Strong programming fundamentals and deep proficiency in Python for backend and data/ML-related services., • Experience designing and operating distributed systems or large-scale microservices (e.g., event-driven architectures, time-series storage, streaming or batch data pipelines)., • Demonstrated experience leading cross-team or cross-org projects from inception through rollout, including managing ambiguity, driving alignment, and delivering measurable business impact., • Strong communication skills and the ability to translate between technical and non-technical stakeholders, especially when discussing trade-offs around reliability, performance, and model accuracy. Proven ability to "sit with the customer" to deeply understand operational pain points, translating vague real-world maintenance challenges into high-impact technical requirements and intuitive AI-driven products. An ideal candidate also has: • Master’s degree in Computer Science + Artificial Intelligence., • Expertise with time-series data and forecasting techniques, including feature engineering, evaluation, and productionization for predictive maintenance or similar use cases., • Hands-on experience with MLOps practices and tooling (e.g., model deployment, monitoring, versioning, experimentation platforms) in partnership with data/ML teams., • Experience with full-stack development using technologies such as Go, TypeScript/JavaScript, React, GraphQL, or similar modern stacks in large-scale SaaS applications., • Background working with industrial, fleet, or equipment data (e.g., telematics, fault codes, work orders, inspections) and an interest in learning the maintenance domain in depth., • Proven track record of mentoring senior engineers and influencing engineering culture, standards, and best practices beyond a single team.

A rapidly growing company is seeking a detail-oriented and highly skilled Mid-Level QA Engineer to join the team. This role plays a crucial part in ensuring software and hardware quality, verifying feature implementations, and maintaining stability throughout the development lifecycle. The QA Engineer will work closely with the development and product teams to define test plans and test cases based on requirements documents or user stories, execute structured test plans, test new features, and validate bug fixes. The successful candidate will be responsible for maintaining test coverage across web and mobile applications, identifying defects, and ensuring products meet high-quality standards before release. This role is specifically focused on bridging quality on in-house charging station production to ensure both hardware and software meet the company’s quality standards. The QA Engineer will work closely with charging station developers, mechanical engineers, and software engineers to ensure that charging stations are thoroughly tested with an emphasis on quality across the product stack. In addition to traditional QA responsibilities, this role includes hands-on validation of charging station hardware and real-world system behavior. The ideal candidate will be comfortable working with physical devices, executing real charging scenarios, and validating how software, firmware, and hardware interact under real operating conditions. • Design and maintain test plans and test cases based on product requirements and system behavior., • Perform testing across integrated systems (device + backend + application), ensuring correct behavior across system interactions., • Execute and validate end-to-end charging workflows, including real-world scenarios with vehicle charging sessions., • Verify system behavior under varying conditions (e.g., multiple vehicles, load distribution, prioritization, and state transitions)., • Validate charging performance, including charge rates and power delivery against expected system behavior., • Test system behavior under edge conditions (e.g., network interruptions, restarts, partial failures)., • Debug issues across hardware, firmware, backend, and application layers by analyzing logs and observed system behavior., • Identify, document, and reproduce defects across testing, staging, and production environments., • Collaborate with engineering, product, and hardware teams to ensure quality across the full system., • 3–5 years of experience in QA or testing roles, with a preference for candidates who have demonstrated strong problem-solving ability, ownership, and the ability to ramp quickly in complex, integrated system environments. Technical Skillset • Strong proficiency in manual testing techniques across software and integrated systems (black box and grey box), including the ability to validate behavior beyond individual features., • Experience testing or validating integrated systems (device + backend + application), with an understanding of how components interact in real-world scenarios., • Experience with test case management tools (e.g., TestRail) and ability to design, organize, and maintain effective test coverage., • Familiarity with project management tools (e.g., JIRA) and working within Agile development environments., • Experience with API testing tools (e.g., Postman), including validating request/response flows and system integrations., • Basic knowledge of SQL for data validation and verifying system behavior across backend services., • Strong working knowledge of UNIX/Linux environments, including the ability to test, observe, and troubleshoot directly on charging station devices., • Familiarity with Git and command-line tools for navigating codebases, logs, and system environments., • Ability to interpret and correlate device logs, backend logs, and system outputs to diagnose issues across multiple system layers., • Strong troubleshooting skills, with the ability to investigate issues across hardware, firmware, and software boundaries. Core Expertise • Comprehensive Testing Skills — Strong expertise in manual testing across web, mobile, and integrated systems, with a solid understanding of black box and grey box techniques., • System & Integration Validation — Ability to validate end-to-end workflows and system behavior across multiple components, including real-world scenarios involving hardware and backend interactions., • Debugging & Diagnostic Skills — Proficiency in using developer tools, logs, and system data to troubleshoot issues across device, backend, and application layers., • Technical Proficiency — Strong understanding of REST APIs, SQL for data validation, and basic web technologies. Ability to validate system integrations and ensure data integrity., • Cross-Platform & Real-World Testing — Experience testing across platforms (web, mobile, and devices), with the ability to identify platform-specific issues and validate behavior under varying system conditions., • Agile & Cross-Functional Collaboration — Experience working in Agile environments and collaborating effectively with software, firmware, and hardware teams., • Communication & Documentation — Strong written and verbal communication skills, with the ability to clearly document defects, test results, and system behavior., • Strong understanding of version control systems (e.g., Git) and command-line interfaces., • Experience with automated testing tools (e.g., Playwright, Selenium) or performance testing tools (e.g., JMeter, Siege)., • Familiarity with EV charging protocols (e.g., OCPP, ISO15118) or similar communication frameworks within the EV ecosystem., • Understanding of CI/CD pipelines and how testing integrates into release workflows, including build validation, regression testing, and deployment verification., • Experience supporting or coordinating software release processes, including working across development, QA, and operations teams to ensure smooth, stable, and timely deployments., • Experience setting up and maintaining test environments, including configuration, deployment, and troubleshooting., • Experience validating releases in staging or production-like environments, with an understanding of rollout risks and system-level impact., • Hands-on experience in testing for integrated systems., • Background in mechanical or electrical engineering., • Background in software engineering., • Attention to Detail: Exceptional attention to detail to catch subtle errors and inconsistencies that could lead to larger issues down the line., • Critical Thinking: The ability to approach problems methodically and use data-driven insights to make informed decisions. A keen analytical mind that questions assumptions and seeks new solutions., • Adaptability: The capacity to quickly adjust to new challenges and changes in project requirements or technologies, maintaining effectiveness in a dynamic environment., • Team Collaboration: Strong team player skills, with the ability to work cooperatively with developers, other QA testers, and project managers to achieve common goals., • Leadership Potential: While primarily a contributor role, potential for leadership is a plus, including the ability to mentor junior staff or lead testing segments of projects., • Be part of a dynamic and fast-growing company, • Competitive Salary, • Benefits Package includes:, • Medical, Dental and Vision insurance, • Paid Holidays, • Paid Time Off, • Ability to Participate in Electric Vehicle Incentive Program, • Ability to Participate in Company 401K Plan with match, • Quarterly Mental Health Days, • Employee Educational Reimbursement Final compensation will be determined based on experience and skills, but will sit in a range of $80,000 - $90,000 The company is an Equal Opportunity Employer (EOE) and offers a remote-friendly work environment with benefits and the opportunity for personal growth as well as advancement within the company. This role begins as a 1099 independent contractor engagement for up to three (3) months, with the intention of converting to a permanent, full-time position based on mutual fit and performance during the contract period. Benefits listed above apply upon conversion to a permanent employee.

Job DescriptionCoreWeave is The Essential Cloud for AI™. Built for pioneers by pioneers, CoreWeave delivers a platform of technology, tools, and teams that enables innovators to build and scale AI with confidence. Trusted by leading AI labs, startups, and global enterprises, CoreWeave combines superior infrastructure performance with deep technical expertise to accelerate breakthroughs and turn compute into capability. Founded in 2017, CoreWeave became a publicly traded company (Nasdaq: CRWV) in March 2025. Learn more at www.coreweave.com.About the Role As a Senior Software Engineer within our Compute Architecture organization, you will help build the software control plane for hardware lifecycle management across large-scale GPU data centers. The METALDEV team builds Go-based distributed services that bring infrastructure online, monitor production hardware health, automate safe operational workflows, and give operators the observability and control needed to manage GPU servers and rack-scale systems with reliability and confidence. This is a software-first role at the intersection of distributed systems, production reliability, and hardware-aware automation, ideal for engineers who want their code to operate real-world infrastructure at massive scale. What You'll Do • Design, build, and operate Go-based services that manage the lifecycle of large-scale GPU data center infrastructure., • Build automation for data center bring-up, hardware discovery, health monitoring, remediation, and production operations., • Develop reliable APIs, services, and workflows for managing BMCs, firmware state, server health, and rack-level infrastructure., • Improve observability, alerting, and operational tooling so production issues can be detected, understood, and resolved quickly., • Translate incidents and hardware failure modes into software improvements that make the platform more resilient., • Partner with hardware-adjacent, infrastructure, operations, and software teams to design systems that work safely at fleet scale.Who You Are, • 5+ years of experience building and operating infrastructure or backend systems., • Bachelor's or Master's degree in Computer Science or a related field, or equivalent practical experience., • Strong proficiency in Go for building production services and tools., • Experience designing and building gRPC and REST APIs., • Experience with Kubernetes and containerized workloads in production environments., • Familiarity with observability tooling such as Prometheus and Grafana.Preferred, • Experience working with GPU-based systems., • Experience with low-level hardware management such as BMCs or Redfish., • Experience operating large-scale distributed systems or high-throughput infrastructure., • Experience collaborating with or contributing to open-source projects (for example, Go, Redfish).Wondering if you're a good fit? We believe in investing in our people, and value candidates who can bring their own diversified experiences to our teams – even if you aren't a 100% skill or experience match. Here are a few qualities we've found compatible with our team. If some of this describes you, we'd love to talk. • You enjoy working close to the hardware and are curious about how GPUs, servers, and data centers fit together., • You thrive in infrastructure environments where reliability, performance, and automation matter as much as features., • You like collaborating across hardware, platform, and product teams to solve complex, ambiguous problems.Why CoreWeave? At CoreWeave, we work hard, have fun, and move fast! We're in an exciting stage of hyper-growth that you will not want to miss out on. We're not afraid of a little chaos, and we're constantly learning. Our team cares deeply about how we build our product and how we work together, which is represented through our core values: • Be Curious at Your Core, • Act Like an Owner, • Empower Employees, • Deliver Best-in-Class Client Experiences, • Achieve More Together We support and encourage an entrepreneurial outlook and independent thinking. We foster an environment that encourages collaboration and enables the development of innovative solutions to complex problems. As we get set for takeoff, the growth opportunities within the organization are constantly expanding. You will be surrounded by some of the best talent in the industry, who will want to learn from you, too. Come join us! The base salary range for this role is $153,000 to $242,000. The starting salary will be determined based on job-related knowledge, skills, experience, and market location. We strive for both market alignment and internal equity when determining compensation. In addition to base salary, our total rewards package includes a discretionary bonus, equity awards, and a comprehensive benefits program (all based on eligibility). What We Offer The range we've posted represents the typical compensation range for this role. To determine actual compensation, we review the market rate for each candidate which can include a variety of factors. These include qualifications, experience, interview performance, and location. In addition to a competitive salary, we offer a variety of benefits to support your needs. The benefits below reflect our US-based offerings; for roles in other locations, benefits vary and are shared during the hiring process. These include: • Medical, dental, and vision insurance - 100% paid for by CoreWeave, • Company-paid Life Insurance, • Voluntary supplemental life insurance, • Short and long-term disability insurance, • Flexible Spending Account, • Health Savings Account, • Tuition Reimbursement, • Ability to Participate in Employee Stock Purchase Program (ESPP), • Mental Wellness Benefits through Spring Health, • Family-Forming support provided by Carrot, • Paid Parental Leave, • Flexible, full-service childcare support with Kinside, • 401(k) with a generous employer match, • Flexible PTO, • Catered lunch each day in our office and data center locations, • A casual work environment, • A work culture focused on innovative disruption California Applicants California Consumer Privacy Act Equal Opportunity & Accommodations CoreWeave is an equal opportunity employer, committed to fostering an inclusive and supportive workplace. All qualified applicants and candidates will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, veteran status, or genetic information. As part of this commitment and consistent with the Americans with Disabilities Act (ADA), CoreWeave will ensure that qualified applicants and candidates with disabilities are provided reasonable accommodations for the hiring process, unless such accommodation would cause an undue hardship. If reasonable accommodation is needed, please contact: careers@coreweave.com. Export Control Compliance This position requires access to export controlled information. To conform to U.S. Government export regulations applicable to that information, applicant must either be (A) a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful permanent resident (green card holder), (iii) refugee under 8 U.S.C. § 1157, or (iv) asylee under 8 U.S.C. § 1158, (B) eligible to access the export controlled information without a required export authorization, or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency. CoreWeave may, for legitimate business reasons, decline to pursue any export licensing process.

Job DescriptionAbout Thea Energy: Thea Energy is leveraging recent breakthroughs in stellarator physics and engineering to create a faster and simpler approach to commercializing fusion energy. The company is reinventing the stellarator using computer-controlled arrays of planar coils thereby replacing the intricate, complex modular magnets required in all other stellarator architectures. Thea Energy is on a mission to create a limitless source of zero emission energy for a sustainable future. Position Overview:Thea Energy is seeking a skilled and motivated Embedded Systems Engineer to lead the development of control and protection systems for high-power power supply systems deployed in the Integrated Stellarator Eos. This position focuses on enabling safe and precise operation of superconducting coil power supplies and high-voltage heating systems. This role will involve designing and implementing embedded control systems using ARM microcontrollers, FPGAs, SoC and DSPs, as well as real-time modeling of power supply behavior. You will interface with internal system owners, power electronics vendors, and control software developers to ensure reliable and high-performance integration across the full range of mission-critical power subsystems.Key Responsibility Areas:• Design and implement real-time control logic for HTS magnet power supplies (low-voltage/high-current) and gyrotron HVPS systems. • Develop embedded firmware for ARM-based microcontrollers (e.g., STM32, NXP), FPGA and SoC (Xilinx), DSP (TI) for low-latency control, feedback regulation, and interlock logic., • Implement quench detection and fast protection logic for superconducting magnets using embedded or FPGA-based platforms., • Simulate and validate control schemes using MATLAB/Simulink, including HIL or SIL configurations., • Program and integrate FPGA and DSP hardware as required for fast, deterministic control of power conversion systems., • Collaborate with Plasma Control and Supervisory Systems to ensure accurate interface protocols and control sequencing., • Specify and validate analog and digital I/O, high-speed communication links, and protection interfaces between PSUs and control systems., • Participate in FAT/SAT, commissioning, and system validation, including low- and high-power test operations., • Support system documentation, interface control documents (ICDs), and structured control validation plans.Ideal Experience & Skillsets: Required Qualifications: • Bachelor’s or Master’s degree in Electrical Engineering, Embedded Systems, Power Electronics, or a related field., • 5+ years of experience in control and embedded development for high-power systems in R&D, industrial, or scientific environments., • Hands-on experience with: o ARM Cortex-M/A series microcontrollers (e.g., STM32, NXP) o Embedded C/C++ for bare-metal or RTOS (e.g., FreeRTOS, Zephyr) o FPGA, SoC (Xilinx) or DSP (TI)-based control logic development o Quench detection, crowbar logic, or magnet protection schemes o Current and voltage regulation, PID control, and waveform generation • Proficiency with simulation tools such as Simulink, MATLAB, or PLECS for modeling PSU behavior., • Familiarity with industrial communication protocols (e.g., UART, SPI, CAN, Modbus, OPC UA, EtherCAT). Preferred Qualifications: • Experience designing control systems for fusion devices, particle accelerators, or large magnet systems, • Knowledge of superconducting magnet characteristics, ramp-up constraints, and discharge handling, • Exposure to gyrotron power supply design, including triode control and anode/bias supply regulation, • Integration experience with SCADA, EPICS, or plant-wide supervisory control systems, • Familiarity with EMI/EMC mitigation techniques for control electronics in high-power environments Tools & Platforms: • Languages: C/C++, MATLAB/Simulink, Python, Verilog/VHDL (preferred), • Platforms: ARM Cortex-M/A (STM32, NXP), TI DSP (C2000), Xilinx FPGAs and SoC, NI PXIe, CompactRIO (Optional), • Tools: STM32CubeIDE, Keil, PlatformIO, MATLAB/Simulink, LabVIEW (optional), PTP/White Rabbit for timing, • Protocols: OPC UA, Modbus TCP, EtherCAT, CANopen Company Benefits: • Salary range $110,000-$150,000, • Comprehensive health benefits (e.g. medical/dental/vision), • Employee equity stock options, • 20 days PTORequirements:, • Ability to occasionally lift up to 50 lbs., • Ability to perform activities such as typing, standing, or sitting for extended periods of time., • Willingness to occasionally travel or work required nights/weekends/on-call., • Ability to work in a facility that contains industrial hazards including heat, cold, noise, fumes, strong magnets, high voltage, high current, pressure systems, and cryogenics.It’s not necessary to meet all of the skillsets outlined above. Please feel free to send us a note and tell us why you would still be a great fit for this role or Thea Energy. Diversity and Inclusion: Thea Energy is an equal opportunity employer committed to creating a company of diverse backgrounds. By creating a diverse environment, we will bring new ideas and approaches to solving some of the world’s hardest (and most important) problems. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, sexual orientation, gender identity or expression, national origin, family or marital status, age, disability, veteran’s status, or other characteristic protected by applicable laws and regulations. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.