Principal Engineer - FullStack Catalog Yantran LLCPrincipal Engineer - FullStack CatalogIrvine, CAStrong experience designing and evolving large-scale distributed systems (APIs, data pipelines, event. " Drive cross-team technical decisions, platform direction, and multi-team initiatives (architecture.
Principal Automation Engineer PEAK Technical Services Inc.Principal Automation EngineerMonrovia, CA$155,000–$195,000 / yearTo read our Candidate Privacy Information Statement, which explains how we will use your information, please navigate to https://peaktechnical.com/privacy-policy/ and https://peaktechnical.com/ca-residents-privacy-rights/ . Implement industrial communication protocols including Modbus TCP, OPC-UA, TCP/IP, Serial Communication, and Fieldbus networks.
Principal Digital Design Engineer GreenWave RadiosPrincipal Digital Design EngineerIrvine, California$190,000–$225,000 / yearOur cutting-edge solutions, powered by the Hermes64 RF SoC, are designed to enhance network energy efficiency while dramatically reducing operational expenses, with purpose-built silicon that is the heart of ORAN-based active antenna arrays. You’ll own everything from architecture through production—defining features, authoring device specifications, and driving the design flow for high-performance programmable logic with embedded Linux-based wireless communications software.
Principal Propulsion Engineer, Engine Systems & Test Relativity SpacePrincipal Propulsion Engineer, Engine Systems & TestLong Beach, CA$185,000–$277,000 / yearAny unsolicited submission - via email, our website, social media, or directly to an employee - will be deemed the property of Relativity Space, and no fee will be owed absent a current, fully executed agreement with Talent Acquisition that specifically authorizes submissions for the applicable role. In engineering at the system level, you will be expected not just to coordinate & facilitate amongst other technical teams, but to bring your own deep technical acumen to bear on problems in this highly technical role.
Principal Software Engineer (Medical Device Software/C#, .NET, Windows) Alcon ResearchPrincipal Software Engineer (Medical Device Software/C#, .NET, Windows)Lake Forest, CaliforniaYou will work closely with systems engineering, hardware, quality, regulatory, and product management teams to ensure that software solutions meet performance, reliability, cybersecurity, and regulatory requirements for medical devices onsite in Lake Forest, CA . As a Principal Software Engineer, you will serve as a technical leader responsible for architecting, designing, and developing complex Windows-based software applications that support Alcon's next-generation ophthalmic diagnostic and surgical medical devices.
Principal Power Electronics Engineer II CesiumAstroPrincipal Power Electronics Engineer IIEl Segundo, CA$217,000–$266,000 / yearDesign elements and responsibilities will include isolated and non-isolated DC-DC converters, maximum power point tracking solar power converters, magnetics design and analysis, system-level power management and distribution design, point-of-load regulators, switching and linear regulators, filters, and stability analysis and measurement. As a principal engineer on the hardware team, you will be responsible for hardware designs from concept through production, including product roadmaps, block diagrams, part selection, schematic design, PCB layout and routing, analysis, manufacturing (working with contract manufacturers), test, qualification, and in-orbit support.
Principal Supplier Quality Engineer CesiumAstroPrincipal Supplier Quality EngineerEl Segundo, CA$143,000–$175,000 / yearPlease Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State. Establish and analyze supplier performance metrics including defect rate, nonconformances, on-time delivery, cost of rework/scrap, and supplier corrective action resolution.
Principal Customer Service Engineer CadencePrincipal Customer Service EngineerIrvine, CA$92,400–$171,600 / yearCadence's Physical Systems Design & Analysis group is seeking a Principal Customer Service Engineer (Principal CSE) to support our Finite Element Analysis (FEA) and Virtual Manufacturing & Costing (VMC) team. This role is ideal for an experienced simulation engineer who enjoys solving complex customer problems, leading technical engagements, and contributing to both project delivery and presales activities.
Senior Full Stack Principal - Irvine, CA - Only W2 - (JK) Central Business SolutionsSenior Full Stack Principal - Irvine, CA - Only W2 - (JK)Irvine, CaliforniaCollaborate with business and technical stakeholders to deliver aviation-specific solutions. Guide development teams and ensure scalable, secure, and high-performance applications.
Principal GNC Engineer, Responsive Space (Top Secret Clearance) Impulse SpacePrincipal GNC Engineer, Responsive Space (Top Secret Clearance)Redondo Beach, CA$230,000–$270,000 / yearThis position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. Participate in vehicle-level hardware and software design reviews and trade studies, coordinating GNC needs to cross-discipline teams.
Principal AI Engineer – Agentic AI / Generative AI | Irvine, CA (Hybrid) | Contract to Hire | AS Central Business SolutionsPrincipal AI Engineer – Agentic AI / Generative AI | Irvine, CA (Hybrid) | Contract to Hire | ASIrvine, CaliforniaThis role requires a highly experienced AI engineer with deep expertise in Large Language Models (LLMs), AI Agents, Multi-Agent Systems, Retrieval-Augmented Generation (RAG), and cloud-native AI architectures. You will drive the architecture, development, deployment, and optimization of intelligent AI agents that automate complex business workflows, power enterprise copilots, and integrate seamlessly with enterprise platforms.
Federal Compliance Analyst, Principal Orange County Transportation AuthorityFederal Compliance Analyst, PrincipalOrange, CaliforniaBachelor’s degree in Planning, Finance, Public Administration, Business Administration, Management, Political Science, Law, or a related field, or equivalent combination of education and experience. Minimum five (5) years of related experience in compliance, grants administration, auditing, regulatory affairs, public administration, or a related field.
Principal, Capital Markets and Strategy Harbinger MotorsPrincipal, Capital Markets and StrategyGarden Grove, CaliforniaHarbinger may use your Candidate Personal Data for the purposes of (i) tracking interactions with our recruiting system; (ii) carrying out, analyzing and improving our application and recruitment process, including assessing you and your application and conducting employment, background and reference checks; (iii) establishing an employment relationship or entering into an employment contract with you; (iv) complying with our legal, regulatory and corporate governance obligations; (v) recordkeeping; (vi) ensuring network and information security and preventing fraud; and (vii) as otherwise required or permitted by applicable law. Harbinger may share your Candidate Personal Data with (i) internal personnel who have a need to know such information in order to perform their duties, including individuals on our HR, legal, and finance teams, and the team(s) with the position(s) for which you are applying; (ii) Harbinger affiliates; and (iii) Harbinger’s service providers, including providers of background checks, staffing services, and cloud services.
Senior/Principal Mission Software Engineer HermeusSenior/Principal Mission Software EngineerLos Angeles, CA$128,250–$156,750 / yearAbout The Role: The Mission Systems Engineering team develops the Mission Management System-the software platform connecting mission subsystems, autonomy services, operator interfaces, communications links, and telemetry across Hermeus aircraft and ground systems. Preferred Skills and Experience: Experience with mission systems, command-and-control software, mission planning, ground-control systems, autonomy platforms, or operator-facing applications.
NewPrincipal, Software Architect CoreLogicPrincipal, Software ArchitectIrvine, CAThe ideal individual must possess outstanding communication abilities to oversee a development team and liaise with business stakeholders, conveying and advocating for both functional and solution ideas, ensuring consistency across diverse streams of complex projects, and programs. Key Responsibilities: Lead discussions and development, design and architecture for strategic initiatives, including cloud, integration and enterprise solutions, engaging various Cotality business and technology teams as necessary.
Principal Component Engineer I CesiumAstroPrincipal Component Engineer IEl Segundo, CA$148,500–$199,000 / yearPlease Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State. If you enjoy working in a startup environment and are passionate about developing leading-edge electronics for satellites, spacecraft, and aerospace systems, we would like to hear from you.
Principal Product Manager United Talent AgencyPrincipal Product ManagerBeverly Hills, California$200,000–$250,000 / yearBuild deep partnerships with cross‑functional leaders—including agents, executives, operations, and engineering—to surface needs, align on priorities, and champion a client‑ and creator‑centric product approach. Define and maintain epics, user stories, and acceptance criteria for complex initiatives, enabling effective agile execution and clear alignment across engineering and design teams.
Principal Power Electronics Engineer Long WallPrincipal Power Electronics EngineerLong Beach, California$168,900–$256,900 / yearYou will have the opportunity to be a key member of a small team of mechanical, fluid, and electrical engineers working to develop innovative deployable launch solutions that enable the rapid deployment of Long Wall launch and test systems. 5+ years of electronic product experience designing hardware from concept through production; strong emphasis on full life cycle development of new hardware products and not small incremental updates to legacy hardware.
Principal CAD Designer CesiumAstroPrincipal CAD DesignerEl Segundo, CA$48.50–$58.35 / hourThe Principal CAD Designer serves as a key technical resource supporting engineering teams through design execution, product data management, engineering change implementation, and continuous improvement of CAD processes and documentation practices. Please Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State.
Principal Power Electronics Engineer I CesiumAstroPrincipal Power Electronics Engineer IEl Segundo, CA$148,500–$199,000 / yearIn this position, you will contribute across the entire development lifecycle of next-generation power electronics hardware for satellites and space power systems payloads-from leading the definition of power system architectures and trade studies to detailed circuit design, simulation, printed circuit board (PCB) layout, verification and integration testing, production transition, and manufacturing support. Experience working with electrical power systems and subsystems, including developing power architecture and power requirements, performing trade studies for size, weight, power, and cost optimization (SWAP-C), selecting power converter topologies, and defining power management and control blocks.