NewSenior WebLogic Engineer AgreeYa SolutionsSenior WebLogic EngineerOakland, CA$60–$65 / hourContractorApply middleware infrastructure automation code with utmost attention to scalability, security, and performance and with an end-to-end mindset from conception to delivery and production support, owning capacity specifications, quality, release deployments, and monitoring of production health. Proven track record of handling & troubleshooting various critical Production and nonproduction applications end to end & infrastructure technical issues, providing comprehensive root cause.
Electrical Compliance Test Engineer JobotElectrical Compliance Test EngineerSunnyvale, CA$150,000–$200,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Working closely with senior engineers, you'll help ensure products are ready for internal validation and third-party certification testing.
Senior Project Manager – Building Automation Systems (BAS) JobotSenior Project Manager – Building Automation Systems (BAS)San Jose, CA$180,000–$225,000 / yearAbout the Opportunity: A well-established building automation and controls contractor is seeking an experienced Senior Project Manager to lead the execution of complex Building Automation System (BAS) projects throughout Northern California. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.
NewSenior AI Engineer JobotSenior AI EngineerSan Francisco, CA$225,000–$280,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. The product sits at the intersection of AI, automation, and real world impact, using LLMs and agentic systems to replace hours or weeks of manual work with intelligent, scalable software.
Quant Engineer JobotQuant EngineerSan Francisco, CA$300,000–$375,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Our platform transforms complex and fragmented market information into actionable pricing and investment intelligence for leading asset managers, investment banks, venture funds, and other sophisticated financial institutions.
NewSenior Controls Design Engineer (HVAC / Building Automation) JobotSenior Controls Design Engineer (HVAC / Building Automation)San Jose, CA$120,000–$150,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. This role blends hands-on system design with mentorship, helping guide junior engineers while collaborating across project teams to deliver high-performance HVAC control solutions.
NewSenior Software Engineer JobotSenior Software EngineerSan Francisco, CA$225,000–$450,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We’re building the infrastructure layer for private capital markets — combining modern software systems, AI-native workflows, and deep market intelligence to transform how private market transactions happen.
Hardware Lab Engineer TeleWorld SolutionsHardware Lab EngineerSanta Clara, CAWith the experience of hundreds of thousands of successful implementations, including macro, DAS, Small Cells, and Wi-Fi, the world’s leading network operators and OEMs trust our knowledge and experience to plan, perform, troubleshoot, and implement an array of technologies and solutions. TeleWorld Solutions is a strategic wireless engineering and consulting firm offering network operators, OEMs, and tower companies’ turnkey design, optimization, network dimensioning, and deployment services.
Project Engineer-HVAC or Plumbing JobotProject Engineer-HVAC or PlumbingSan Jose, CA$100,000–$130,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. The successful candidate will be responsible for managing a variety of commercial plumbing projects from start to finish, ensuring they are completed on time and within budget.
Federal Construction Project Engineer JobotFederal Construction Project EngineerBurlingame, CA$85,000–$110,000 / yearQualifications: 1-3 years of experience as a Project Engineer or Assistant PM with a commercial or public works GC; excellent organization and communication skills; proficiency with Procore or similar project management software; Degree in Construction Management, Civil Engineering, or equivalent field experience. By pairing our Project Engineers directly with seasoned PMs on high-profile institutional builds, we provide the mentorship, technical exposure, and hands-on training needed to build a premier career.
NewSenior Security Operations Engineer VailexaSenior Security Operations EngineerSan Francisco, CAYou’ll partner closely with Engineering, IT, Legal, and Business leaders to reduce risk, respond to incidents, and continuously raise the security bar across the company. • AI fluency: ability to use AI tools to accelerate investigations (summarization, clustering, query generation) while validating outputs and protecting sensitive data.
Hardware Validation/ Testing Engineer VailexaHardware Validation/ Testing EngineerSanta Clara, CAExperience in datacenter operations, hardware validation, manufacturing, lab support, or large-scale server environments this role supports critical engineering operations and may require overtime, evening/night work, weekend coverage, and changing schedules based on business needs. The day-to-day responsibilities include updating FW on multiple racks simultaneously, launching and monitoring diagnostic workloads, recovering failed systems/trays, troubleshooting hardware and software issues, and supporting engineering teams around the clock when needed.
NewSenior Sales Engineer JobotSenior Sales EngineerPleasanton, CA$300,000–$330,000 / yearThe founding team includes senior leaders and technical pioneers from industry giants like AWS, Cisco, VMware, and Gigamon - holding dozens of patents and having built critical systems at some of the most respected tech companies in the industry. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.
NewCyber Security Engineer - Sr. Consultant level Visa Technology and Operations LLCCyber Security Engineer - Sr. Consultant levelFoster City, CA$180,600–$289,300 / yearThe ideal candidate is a strong security engineer and problem solver with deep experience in Python‑based services, cloud security engineering, API‑driven architectures, and automation, and who is excited to apply GenAI and autonomous agent technologies to modern security challenges. Visa’s Cyber Security team is seeking a Cyber Security Engineer to design, build, and operate large‑scale, cloud‑native and AI‑driven security platforms that protect Visa’s global brand, networks, products, and data.
NewData Engineer - Sr. Consultant level Visa Technology and Operations LLCData Engineer - Sr. Consultant levelFoster City, CA$169,100–$270,800 / yearVisa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. Masters, MBA, JD, MD) or 2 years of work experience with a PhD Preferred Qualifications • 9 or more years of relevant work experience with a Bachelor Degree or 7 or more relevant years of experience with an Advanced Degree (e.g.
Lead Software Engineer Visa Technology and Operations LLCLead Software EngineerFoster City, CA$192,300–$307,600 / yearVisa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. Essential Functions Provide deep technical leadership within Shared Services Product Development, with a strong understanding of how shared platforms enable downstream product innovation.
NewStaff Software Engineer, Crypto Program Visa Technology and Operations LLCStaff Software Engineer, Crypto ProgramFoster City, CA$146,200–$233,700 / yearVisa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. As a Visa Software Engineer, you will be an integral part of a multi-functional development team inventing, designing, building, and testing software products that reach a truly global customer base.
Senior Staff Engineer, AI Governance Visa Technology and Operations LLCSenior Staff Engineer, AI GovernanceFoster City, CA$192,200–$307,700 / yearExperienced with high-performance imperative languages including Python, Java, Golang, React.js, Next.js • Built predictive models using Python and ML libraries and managed their lifecycle, from development to production. Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid.
Staff Data Engineer Visa Technology and Operations LLCStaff Data EngineerFoster City, CA$146,200–$233,700 / yearVisa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. At Visa, you'll have the opportunity to create impact at scale — tackling meaningful challenges, growing your skills and seeing your contributions impact lives around the world.
Software Engineer - Sr Consultant level Visa Technology and Operations LLCSoftware Engineer - Sr Consultant levelFoster City, CA$169,100–$270,800 / yearYou will work on innovative solutions that combine deep technical expertise with AI/ML capabilities to enhance developer productivity, improve customer experiences, and drive next-generation commercial payment and money movement technology for B2B, B2C, P2P, and G2C flows. Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid.
Lead Software Engineer, Middleware Reliability Engineering Visa Technology and Operations LLCLead Software Engineer, Middleware Reliability EngineeringFoster City, CA$192,300–$307,600 / yearFamiliarity with AI/ML frameworks and chatbot integrations for operational automation Middleware Expertise • Understanding of middleware technologies (Message Queues, Service Bus, API • Gateways) • Experience with application servers (Tomcat, JBoss, WebSphere) • Knowledge of integration platforms and their deployment patterns • Proficiency in troubleshooting and performance optimization Education • Bachelor's or Master's degree in Computer Science or related field, or equivalent experience • We value hands-on experience and continuous learning over specific degrees. • Solid understanding of Linux/Unix systems, networking protocols, certificate management, secret management, system design, cloud platforms (AWS, • Azure, GCP), and containerization (Kubernetes, Docker • Proficiency with monitoring tools (Prometheus, Grafana, Datadog, etc.), logging systems (ELK stack, Splunk), and tracing tools (Jaeger, Zipkin).
NewSenior Software Engineer ECLAROSenior Software EngineerSan Francisco, CAAs a Product Engineer: Build and enhance the company's core AI products from processing hundreds of very long PDFs and Excel files to building deep browser automations into legacy systems, and building a scalable platform to support the volume and throughput of the system. Position Overview: Our client, an AI startup, seeks a Senior Software Engineer - Product to help reshape how the insurance broking industry services insurance.
Staff Machine Learning Engineer, Responsible AI Engineering Visa Technology and Operations LLCStaff Machine Learning Engineer, Responsible AI EngineeringFoster City, CA$169,100–$270,800 / yearAs an AI Engineer in AI Governance engineering team, you will have the unique chance to make a direct and meaningful impact by building and delivering solutions that power AI Governance engineering solutions. Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid.
Senior Substation Project Engineer CYNET SYSTEMSSenior Substation Project EngineerOakland, CA$86–$91 / hourTemporaryContractorPart timeAs a nationally and locally certified Minority Business Enterprise (MBE), Cynet Systems is committed to helping organizations build high-performing teams while empowering professionals to grow rewarding careers. We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and professional staffing, powered by a high-performing recruitment engine operating across North America and Asia.
Network DevOps Engineer Epitec StaffingNetwork DevOps EngineerPalo Alto, CASummary Our client is seeking a hands-on Network DevOps Engineer to support network automation, cloud infrastructure deployment, and multi-cloud connectivity initiatives across a large-scale enterprise environment. The ideal candidate enjoys solving complex infrastructure challenges, building automated solutions, and supporting highly available environments across multiple cloud platforms.
NewValidation Engineer 4 CYNET SYSTEMSValidation Engineer 4San Jose, CA$82–$87 / hourTemporaryContractorPart timeAs a nationally and locally certified Minority Business Enterprise (MBE), Cynet Systems is committed to helping organizations build high-performing teams while empowering professionals to grow rewarding careers. We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and professional staffing, powered by a high-performing recruitment engine operating across North America and Asia.
Senior AI/MLOPS Engineer CYNET SYSTEMSSenior AI/MLOPS EngineerPleasanton, CA$75–$80 / hourTemporaryContractorPart timeAs a nationally and locally certified Minority Business Enterprise (MBE), Cynet Systems is committed to helping organizations build high-performing teams while empowering professionals to grow rewarding careers. We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and professional staffing, powered by a high-performing recruitment engine operating across North America and Asia.
Transmission Line Engineer CYNET SYSTEMSTransmission Line EngineerOakland, CA$82–$87 / hourTemporaryContractorPart timeAs a nationally and locally certified Minority Business Enterprise (MBE), Cynet Systems is committed to helping organizations build high-performing teams while empowering professionals to grow rewarding careers. We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and professional staffing, powered by a high-performing recruitment engine operating across North America and Asia.
NewEnd point engineer - Contract TalentBurst, Inc.End point engineer - ContractPalo Alto, CAUnderstanding of the endpoint and identity considerations unique to AI tools: network allowlisting for LLM API endpoints, DLP policy tuning for AI-generated content, user provisioning workflows, and communicating rollout plans across IT, Security, and end-user teams. 1. Unified Endpoint Management (UEM) Daily Operations: Perform daily upkeep, system maintenance, and regular patch management for all managed endpoints to ensure security and stability.
NewComponent Engineer 3 - Contract TalentBurst, Inc.Component Engineer 3 - ContractSunnyvale, CA$60–$75 / hourThe Supplier Engineer partners closely with Manufacturing, Quality, Planning, Operations, Design Engineering, Commodity / Supply Chain Engineering, and Procurement to drive supplier performance, qualify manufacturing processes, support New Product Introduction (NPI), and execute continuous improvement initiatives across the supply base. Electronics failure analysis (signal integrity, shorts/opens, component failures) Environmental and reliability testing (thermal cycling, vibration) Ability to investigate: Field returns, intermittent failures, firmware/hardware integration issues.
NewComponent Engineer 4 - Contract TalentBurst, Inc.Component Engineer 4 - ContractSunnyvale, CA$70–$93.50 / hourUnderstand and apply material traceability requirements, including the ability to trace supplier lots through incoming inspection, inventory transactions, production kitting, and finished product records. · Collaborate with Design Engineering, Manufacturing Engineering, Quality Engineering, Operations, and Supply Chain to resolve technical issues and support product launches.
NewSr Software Engineer - Contract TalentBurst, Inc.Sr Software Engineer - ContractSunnyvale, CA$75.18 / hourExperience with other game engines/tools that may be used in the pipeline such as Blender, Figma, Photoshop, Substance Painter, ZBrush, and Maya. Our primary customer is Client Commercial organization, with quarterly deliverables of updates to our visualization, training, and demonstration tools.
Data Engineer II Pinnacle Technical ResourcesData Engineer IISunnyvale,, CaliforniaContractorThe specific compensation for this position will be determined by several factors, including the scope, complexity, and location of the role, as well as the cost of labor in the market; the skills, education, training, credentials, and experience of the candidate; and other conditions of employment. The ideal candidate will be responsible for designing, building, and maintaining scalable data pipelines and systems to support our organization's data needs.
Production Specialist/Engineer II Pinnacle Technical ResourcesProduction Specialist/Engineer IICupertino,, California$50–$60 / hourContractorThe specific compensation for this position will be determined by a number of factors, including the scope, complexity and location of the role as well as the cost of labor in the market; the skills, education, training, credentials and experience of the candidate; and other conditions of employment. Strong listening skills with the ability to interpret requests from creative and production teams, asking thoughtful clarifying questions when needed.
Specialty Software Engineer 3 - Contingent Pinnacle Technical ResourcesSpecialty Software Engineer 3 - ContingentConcord, California$60–$70 / hourContractorClient is engineering a next-generation Digital Asset Platform designed to solve the "Approval-to-Execution Gap" in institutional finance: ensuring that digital asset transactions are signed only when strictly authorized by policy, without exposing private keys to cloud operators or insiders. Confidential Computing Architecture: Design and build services that run inside Trusted Execution Environments (TEEs), specifically targeting AMD SEV-SNP and Intel TDX via Confidential Containers (CoCo).
Product Design Engineer II Pinnacle Technical ResourcesProduct Design Engineer IICupertino,, California$50–$60 / hourContractorThe specific compensation for this position will be determined by a number of factors, including the scope, complexity and location of the role as well as the cost of labor in the market; the skills, education, training, credentials and experience of the candidate; and other conditions of employment. Client’s approach to packaging is unique, so we value people who are eager to learn new skills and further improve their knowledge of packaging design, manufacturing processes, and sustainable materials.
CI/CD and Automation Infrastructure Engineer Tanisha SystemsCI/CD and Automation Infrastructure EngineerCupertino, CAFull timeRole Purpose: Build and maintain scalable CI, automation and dashboard infrastructure that enables reliable test execution across media, platform and device validation workflows. • Build and maintain XCTest/XCUITest frameworks, Jenkins pipelines and supporting test infrastructure.
Associate Test Engineers CYNET SYSTEMSAssociate Test EngineersMilpitas, CA$30–$36 / hourTemporaryContractorPart timeAs a nationally and locally certified Minority Business Enterprise (MBE), Cynet Systems is committed to helping organizations build high-performing teams while empowering professionals to grow rewarding careers. We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and professional staffing, powered by a high-performing recruitment engine operating across North America and Asia.
Commercial Construction Project Engineer HITT ContractingCommercial Construction Project EngineerSanta Clara, CA$85,000–$90,000 / yearMaster required job-specific and technical skills in order to promote to an assistant superintendent or assistant project manager following the 12-month training program including, but not limited to, the ability to: Set up and maintain jobsite office and all jobsite records, including project directory, construction documents, subcontractor directory, daily reports, submittal logs, RFI logs, subcontractor correspondence, etc. Ability to learn sector- and project-specific software systems, including but not limited to: Microsoft Office 365 (Project, Excel, Word, Outlook, PowerPoint, etc.), ProCore, Adobe Suite, BlueBeam, and JD Edwards software suite.
Staff Platform Engineer AmplitudeStaff Platform EngineerSan Francisco, CAAs a Staff Platform Engineer, youll set technical direction for the platform across teams, lead our highest-complexity and highest-leverage initiatives, and shape a platform where AI agents are first-class users alongside humans: kicking off deploys, opening pull requests against infrastructure, and triaging incidents, so a single engineer can get the throughput of a team. • Set technical direction — shape platform and domain-level technical strategy that improves developer experience, reliability, security, and cost, and lead the high-complexity, cross-cutting initiatives that deliver it with measurable impact for the organization.
Senior Software Engineer AmplitudeSenior Software EngineerSan Francisco, CAAs a Senior Software Engineer, youll take on complex infrastructure challenges: designing for extreme throughput, optimizing for millisecond latencies, and building resilient systems that run with close to zero downtime. Amplitude’s Commitment to Diversity Equity & Inclusion (DEI): Amplitude believes that diversity enables the creation of better products, improves the ability to solve complex problems, and drives more powerful solutions.
NewSenior Backend Engineer HackerRankSenior Backend EngineerSanta Clara, CAYou will own the architecture and evolution of core backend services, mentor engineers across teams, and be a key technical decision-maker ensuring our platform remains fast, reliable, and scalable as we grow our global user base. Proven ability to leverage AI across the full software development lifecycle: architecture exploration, implementation, code review, test generation, documentation, incident analysis, and technical writing.
Engineering: Senior Customer Forward Deployed Engineer AmplitudeEngineering: Senior Customer Forward Deployed EngineerSan Francisco, CAThe Customer FDE (Forward Deployed Engineering) team sits at the intersection of engineering, product, and customer success — owning the technical delivery that takes validated products from co-development and implements them across enterprise customers. • Have hands-on experience shipping software in customer-facing contexts — youve owned or significantly contributed to implementations, integrations, or technical engagements where you delivered working solutions directly to customers or stakeholders.
Project Engineer Stamford American International HospitalProject EngineerPalo Alto, CA$55.85–$74 / hourPlans, organizes, manages and is responsible for all document control and distribution processes and systems for Facilities Services, including all construction project-related documentation received from and sent to the contractor, architect, and internal staff from initial planning and early development of a project through its completion. Knowledge of Computer-aided Design (CAD) system, Computer-aided Facility Management (CAFM), estimating, cost control, scheduling, construction administration, quality control, and specific writing and place planning.
Senior Platform Engineer AmplitudeSenior Platform EngineerSan Francisco, CAAs a Senior Platform Engineer, youll own medium-to-high-complexity platform projects end-to-end and help shape a platform where AI agents are first-class users alongside humans: kicking off deploys, opening pull requests against infrastructure, and triaging incidents, so a single engineer can get the throughput of a team. Youll partner with Staff engineers and product teams to make Kubernetes effortless across the engineering org, building self-service automation and scalable AWS infrastructure that lets product teams ship faster, safer, and with less cognitive load.
Staff Software Engineer - Payroll Data RipplingStaff Software Engineer - Payroll DataSan Francisco, CADefine the Unified Query Layer: Partner with other Staff and Principal engineers to design and evolve a cohesive data query layer that spans batch and real-time processing, reducing fragmentation and enabling consistent access patterns. • Partner Cross-Functionally: Work closely with Product, Platform, AI, and other Payroll teams to translate product needs into robust platform capabilities while influencing roadmaps with data-informed tradeoffs.
Senior Software Engineer; Analytics Compute Platform AmplitudeSenior Software Engineer; Analytics Compute PlatformSan Francisco, CABringing non-event data into the core model — representing things like customer profile properties, sessions, and lookup tables alongside event data, so features can be built against a single consistent model quickly and computed efficiently. Our team sits between Amplitudes front-end analytics products/ rest APIs/ MCPs and Nova, our proprietary analytics database, and owns the compute API that translates a users question into a fast, correct answer.
Senior AI Engineer AmplitudeSenior AI EngineerSan Francisco, CAAs AI reshapes how customers analyze data, build products, and act on insights, we need engineers who can move fluidly between deep technical work and product judgment, shipping AI capabilities that customers and internal teams actually rely on. Amplitude’s Commitment to Diversity Equity & Inclusion (DEI): Amplitude believes that diversity enables the creation of better products, improves the ability to solve complex problems, and drives more powerful solutions.
Staff Fullstack Engineer, Core Analytics AmplitudeStaff Fullstack Engineer, Core AnalyticsSan Francisco, CAOur values of growth mindset, ownership, and humility are core to the way we work: we’re tenacious in the face of challenges, we take the initiative to solve problems that drive our shared success, and we operate from a place of empathy and openness, seeking to understand many points of view. The team’s mission is to deliver a fast, intuitive, and reliable Analytics platform that empowers customers to confidently uncover insights about their products while driving infrastructure initiatives that strengthen and scale the platform.
RF Test Engineer CYNET SYSTEMSRF Test EngineerMountain View, CA$50–$55 / hourTemporaryContractorPart timePerform Radiated/Conducted TRP/TIS/aGPS Testing, in signaling or non-signaling mode, using test chambers, including but not limited to, R&S Anechoic chamber; BlueTest Chamber; GTS chamber, etc. Perform RF System Testing on devices for design verification and system validation, including controlled (conducted and radiated) test environment tests for RF performance, interference, noise floor (RSSI), coexistence (multiple-radios), throughput, etc.