NewApplication Architecture, Sr. Principal Blue Cross and Blue Shield AssociationApplication Architecture, Sr. PrincipalWoodland Hills, CAIn this role, you will shape how Stellarus designs reusable services, integrates strategic vendors, applies AI-assisted development patterns, and turns platform strategy into systems that engineering teams can build, test, deploy, and operate. The Senior Principal is the technical authority for application architecture across the platform: someone who sets enterprise-level architecture direction without needing a team to do it, and who is close enough to the code, system design, and production tradeoffs to make that direction credible to engineers.
Principal Software Engineer (Platform Team) SpaceXPrincipal Software Engineer (Platform Team)Hawthorne, CA$200,000–$285,000 / yearBachelor’s degree in computer science, computer engineering, or other engineering discipline and 7+ years of professional experience building and scaling production platforms; OR 9+ years of professional experience building and scaling production platforms in lieu of a degree. This team creates secure, scalable gateways and proxy systems that allow engineers and operators across the company to write code faster, perform advanced data analysis, connect AI to their daily tools and problems, and turn ideas into deployed solutions with confidence.
NewPrincipal Software Engineer (Platform Team) Space Exploration TechnologiesPrincipal Software Engineer (Platform Team)Hawthorne, CA$200,000–$285,000 / yearBASIC QUALIFICATIONS: Bachelor's degree in computer science, computer engineering, or other engineering discipline and 7+ years of professional experience building and scaling production platforms; OR 9+ years of professional experience building and scaling production platforms in lieu of a degree. This team creates secure, scalable gateways and proxy systems that allow engineers and operators across the company to write code faster, perform advanced data analysis, connect AI to their daily tools and problems, and turn ideas into deployed solutions with confidence.
Principal Software Engineer (C#/Sql/Azure) Loan DepotPrincipal Software Engineer (C#/Sql/Azure)Irvine, CA$170,000–$233,000 / yearPrincipal Software Engineers are expected to lead this transformation-demonstrating how AI coding agents and AI-native technologies can materially improve the speed, quality, and economics of software delivery while maintaining the security, reliability, and engineering discipline required of a large enterprise. Today, as the nation's second largest non-bank retail mortgage lender, loanDepot enables customers to achieve the American dream of homeownership through a broad suite of lending and real estate services that simplify one of life's most complex transactions.
Principal Mechanical Engineer Salient MotionPrincipal Mechanical EngineerTorrance, CaliforniaRequirements Architecture: Translate high-level, ambiguous mission needs into actionable functional and operational requirements for complex electromechanical systems, including spacecraft structures, docking and release mechanisms, robotic arm systems, and military-grade ground support hardware. Cross-Functional Leadership: Act as a technical anchor across the organization, guiding integration efforts, supporting multidisciplinary teams through complex system testing, and authoring test plans, procedures, proposals, and associated program documentation.
Principal Welding Engineer Impulse SpacePrincipal Welding EngineerRedondo Beach, CA$190,000–$225,000 / yearAs a Principal Weld Engineer at Impulse you will help develop, qualify and optimize welding designs and processes with both laser beam, gas tungsten arc welding, friction stir welding, and orbital tube welding. Develop, optimize, and qualify weld processes and parameters for multiple welding processes including but not limited to: laser beam welding, friction stir welding, gas tungsten arc welding, orbital tube welding.
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.
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.
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.
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.
Principal Traffic Engineer Project PartnersPrincipal Traffic EngineerPomona, CAManage the preparation and review of engineering plans, specifications, cost estimates, bid documents, City Council reports, budgets, environmental documents, RFPs/RFQs, grant applications, and other technical reports for public works capital improvement projects. Coordinate with internal departments, regulatory agencies, consultants, developers, architects, contractors, and property owners to support project delivery, construction contract administration, plan checking, and successful completion of public works projects.
Principal Admitting Worker - ACC - Ambulatory Admin - FT Days University of California, IrvinePrincipal Admitting Worker - ACC - Ambulatory Admin - FT DaysIrvine, CaliforniaFull timeAs Orange County’s only academic health systems, UCI Health is home to the only National Cancer Institute-designated comprehensive cancer center based in the county, the region’s only American College of Surgeons-verified Level I adult and Level II pediatric trauma center , American College of Emergency Physicians Gold Level 1 Geriatric Emergency Department and a nationally recognized regional burn center verified by the American Burn Association. *Misconduct Disclosure Requirement: As a condition of employment, the final candidate who accepts a conditional offer of employment will be required to disclose if they have been subject to any final administrative or judicial decisions within the last seven years determining that they committed any misconduct; received notice of any allegations or are currently the subject of any administrative or disciplinary proceedings involving misconduct; have left a position after receiving notice of allegations or while under investigation in an administrative or disciplinary proceeding involving misconduct; or have filed an appeal of a finding of misconduct with a previous employer.
Principal NSX Architect Info Way Solutions LLCPrincipal NSX ArchitectRosemead, CAEnterprise Architecture: Integrate Broadcom solutions (VCF, Tanzu, NSX, vSAN) into the existing IT landscape, developing detailed blueprints and implementation guides. Technical Leadership: Act as the primary lead for Broadcom and Client engineers; facilitate architecture review boards and ensure adherence to best practices.
Contract Principal Electrical Engineer LancesoftContract Principal Electrical EngineerIrvine, CA$60Familiarity with antenna detuning caused by human-body proximity, flexible circuits, small ground planes, enclosures, adhesives, and other mechanical integration constraints common to body-worn medical devices. Support development of electronic hardware requirements, system designs, design documentation, agency testing for IEC 60601-1 and IEC 60601-1-2, troubleshooting of field or design issues, and medical device design control deliverables.
Principal Electrical RF Engineer IconmaPrincipal Electrical RF EngineerClaremont, CAResponsibilities: Client’s Building & Campus business delivers end-to-end enterprise networking infrastructure—structured copper and fiber cabling (SYSTIMAX®, NETCONNECT®, Uniprise®), powered fiber and automated infrastructure management (imVision®). It focuses on high bandwidth, longer distances, smarter visibility/monitoring, faster deployment and large-venue coverage—enabling connected, secure environments across offices, campuses, universities, hospitals, airports and other venues.
NewPrincipal Electronics Engineer The Structures CompanyPrincipal Electronics EngineerCarson, CA$95–$145As trusted partners to leading aerospace and defense OEMs and Tier 1 suppliers, we connect professionals with career opportunities to grow and excel in aviation, aerospace, and defense. Review engineering work, mentor junior engineers, and collaborate with internal teams, suppliers, and aerospace OEM customers.
Principal Quality Engineer Karwell TechnologiesPrincipal Quality EngineerIrvine, CAThe Principal Quality Engineer serves as a subject matter expert, partnering with cross-functional teams to ensure products meet customer, regulatory, and business requirements while driving continuous improvement and operational excellence. This role provides technical leadership for quality systems, product quality improvements, risk management, CAPA activities, process validation, and compliance programs.
Principal Data Platform Architect – Onsite CGS Business SolutionsPrincipal Data Platform Architect – OnsiteIrvine, CAProven ability to partner with business leaders and technical teams to align data platform capabilities with strategic business priorities, including growth, efficiency, compliance, and innovation. Proven experience designing and supporting cloud-based data platforms, preferably Snowflake, including lakehouse and medallion architectures.
Principal Admitting Worker- Irvine GHEI Ophthalmology - FT Days University of California, IrvinePrincipal Admitting Worker- Irvine GHEI Ophthalmology - FT DaysIrvine, CaliforniaFull timeAs Orange County’s only academic health systems, UCI Health is home to the only National Cancer Institute-designated comprehensive cancer center based in the county, the region’s only American College of Surgeons-verified Level I adult and Level II pediatric trauma center , American College of Emergency Physicians Gold Level 1 Geriatric Emergency Department and a nationally recognized regional burn center verified by the American Burn Association. *Misconduct Disclosure Requirement: As a condition of employment, the final candidate who accepts a conditional offer of employment will be required to disclose if they have been subject to any final administrative or judicial decisions within the last seven years determining that they committed any misconduct; received notice of any allegations or are currently the subject of any administrative or disciplinary proceedings involving misconduct; have left a position after receiving notice of allegations or while under investigation in an administrative or disciplinary proceeding involving misconduct; or have filed an appeal of a finding of misconduct with a previous employer.
Senior Combustion Devices Engineer II / Principal Combustion Devices Engineer Rocket Lab USASenior Combustion Devices Engineer II / Principal Combustion Devices EngineerLong Beach, CA$113,800–$190,500 / yearTo conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Our Space Systems business designs and builds our extensive line of satellites, payloads, and their components, including spacecraft that have been selected to support NASA missions to the Moon and Mars and components used on the James Webb Space Telescope.