Principal Engineer - TS/SCI Clearance Rocket Lab CorpPrincipal Engineer - TS/SCI ClearanceLong Beach, CA$223,000–$339,000 / yearImportant information: FOR CANDIDATES SEEKING TO WORK IN US OFFICES ONLY: To 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 team builds everything from complete spacecraft, precision payloads to the components and subsystems that allow them to thrive in space, like solar panels, flight software, star trackers, optical systems, separation systems, radios, and more.
Principal Measurement & Test Engineer MKS IncPrincipal Measurement & Test EngineerIrvine, CA$115,000–$180,000 / yearA Day in Your Life at MKS: MKS Systems Irvine is growing rapidly through strategic investments in the development and fabrication of advanced optics, opto-mechanical assemblies, fiber optic modules, laser systems, photonic products, and precision-engineered solutions. Hands-on experience with optical instrumentation, optical metrology, laser beam analysis, optical characterization, interferometry, imaging systems, spectroscopy, fiber optic systems, precision positioning systems, or related precision measurement systems.
Principal Spacecraft Operations Engineer - Secret Clearance Rocket Lab CorpPrincipal Spacecraft Operations Engineer - Secret ClearanceLong Beach, CA$223,025–$339,400 / yearImportant information: FOR CANDIDATES SEEKING TO WORK IN US OFFICES ONLY: To 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. Thorough understanding of key spacecraft subsystems and associated components, including attitude determination and control systems (ADCS), electrical power systems (EPS), space-to-ground communications, command and data handling (C&DH), thermal control systems (TCS), spacecraft propulsion systems, and fault detection, isolation, and recovery (FDIR).
Principal Research Scientist II Associate Director- Eyecare AbbVie IncPrincipal Research Scientist II Associate Director- EyecareIrvine, CADemonstrated supervisory experience, including setting priorities, allocating work, monitoring progress against project timelines, coaching and developing scientific staff, resolving technical and operational issues, ensuring complete and accurate laboratory records, and promoting compliance with laboratory safety and quality requirements. Represent the department on CMC and project teams, partnering with Pharmaceutical Sciences functions, manufacturing sites, Process Chemistry, Toxicology, Regulatory Affairs, Quality, Clinical Development, Marketing, and external CROs and CMOs to achieve project objectives and timelines.
Principal Algorithm Engineer EO/IR Image Analysis Rocket Lab CorpPrincipal Algorithm Engineer EO/IR Image AnalysisLong Beach, CA$370,275–$626,600 / yearImportant information: FOR CANDIDATES SEEKING TO WORK IN US OFFICES ONLY: To 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. Rocket Lab's Space Systems division builds complete spacecraft, precision payloads to the components and subsystems that allow them to thrive in space including solar panels, flight software, star trackers, optical systems, separation systems, and radios.
Principal Mechanical Engineer MKS IncPrincipal Mechanical EngineerIrvine, CA$130,000–$200,000 / yearA Day in Your Life at MKS: As a Principal Mechanical Engineer at Newport / MKS Instruments, you will partner with; Irvine Systems Engineering {Product Engineering, Test & Measurement, Project Management, and Product Marketing}, Systems Assembly, NPO {shaping and coating} to; plan, conceptualize, design, document, lead design reviews,, define, execute, and summarize FEA analysis including Structural-Thermal-Optical Performance and sensitivity, submit Engineering Change Orders, procure and test high precision opto-mechanical products, tooling and fixtures. You will have the opportunity to work with a multi-disciplined team supporting the design and documentation of new and existing products for the semiconductor fabrication industry, as well as deliver robust, repeatable fixturing and tooling used to manufacture high precision optics and optical assemblies.
NewSr. Principal Architect - Connectivity PanasonicSr. Principal Architect - ConnectivityIrvine, CA$205,000–$343,000 / yearFor our onsite and hybrid employees you will be able to enjoy amenities such as access to many restaurants and shops, running trails, a fitness deck, outdoor seating, dry cleaning, car wash, free garage parking, car charging stations, shuttle service for train commuters, outdoor games like bocce, horseshoes, gaming tables, pickle ball, and basketball. Other offerings include: Wellness Program, Counseling services, FSA & HSA, Life Insurance for employee, spouse and child, AD&D Insurance, Long-term and Short-term disability, Critical Illness Insurance, Accident Insurance, Legal Assistance, Pet Insurance, Identity Theft Protection, Dependent Care FLSA, Education Assistance, Commuter Program, Employee Purchase Program, Service Award Program.
Principal Machine Learning Researcher (Physical AI) FreeformPrincipal Machine Learning Researcher (Physical AI)Torrance, CA$200,000–$500,000 / yearThe role focuses on developing machine learning methods that integrate large-scale physical data with physics-based simulation and embedding these models into closed-loop control and autonomy frameworks. Work includes modeling relationships between process inputs, geometry, and machine state to predict thermal, mechanical, and geometric outcomes during printing, using hybrid physics–ML approaches and multi-modal in-situ data.
Principal Agricultural Technician - South Coast REC - Irvine, CA, Job ID 86434 University of CaliforniaPrincipal Agricultural Technician - South Coast REC - Irvine, CA, Job ID 86434Irvine, CA$27.06–$32.33 / hourInternal Candidates*: To apply as an internal UC ANR employee, please go to: https://ucphrprdpub.universityofcalifornia.edu/psp/ucphrprd/EMPLOYEE/HRMS/c/HRS_HRAM_EMP_FL.HRS_CG_SEARCH_FL?Page=HRS_APP_JBPST_FL&Action=U&FOCUS=Employee&SiteId=18&JobOpeningId=86434&PostingSeq=1 . From 1918 to the Present a unique partnership between the University of California, the United States Department of Agriculture, and the County of Orange, Cooperative Extension was originally created to provide vital research-based information to growers and their families in this agriculturally rich community.
Principal/Senior Technical Recruiter Neros TechnologiesPrincipal/Senior Technical RecruiterTorrance, CA$205,000–$275,000 / yearPartner with senior engineering and technical leaders across Neros to shape hiring strategy, advise on talent market dynamics, and build the recruiting engine to continue growing our world-class technical team. Expert sourcing and research skills for senior talent, including market mapping, talent intelligence, outbound sequencing, referrals, and community-based strategies.
Principal Solutions Architect (Req#1341) ePlus TechnologyPrincipal Solutions Architect (Req#1341)Irvine, CA$170,000–$190,000 / yearIn this highly technical, customer-facing role you will translate complex AI and machine learning workload requirements into fully engineered infrastructure solutions spanning colocation facilities, GPU compute, high-performance networking, parallel storage, and the complete NVIDIA AI software stack. Your expertise will directly shape how organizations build and operate production AI Factories capable of training frontier models, running large-scale inference fleets, and accelerating data science pipelines at scale.
Principal ERP Solutions Engineer, Finance EpirusPrincipal ERP Solutions Engineer, FinanceTorrance, California$151,400–$195,400 / yearJob Summary: Epirus is seeking an experienced Senior ERP Solutions Engineer, Finance to support and enhance our ERP finance capabilities across Procure-to-Pay, Order-to-Cash, Record-to-Report, Project Accounting, Costing, and related business processes. The ideal candidate will bring strong functional understanding of operational business processes, hands-on ERP systems experience, and the technical ability to design reports and build automations using SaaS-based enterprise tools.
Principal Staff Engineer, AI Platform Research, Data Science (Remote) CrowdStrike IncPrincipal Staff Engineer, AI Platform Research, Data Science (Remote)CARemote$195,000–$290,000 / yearArchitect, implement, and optimize data platforms and pipelines specifically designed to support LLMs, Neural Networks, Retrieval-Augmented Generation (RAG), and sophisticated AI agentic systems at Exabyte scale. About the Role: CrowdStrike is looking for a hands-on Staff Data Engineer with deep expertise in Large Language Models (LLMs), Agents and AI platforms to join our growing Data Science Platform Engineering Team.
Principal Data Product Manager Iconma LLCPrincipal Data Product ManagerCAAs a Data Product Manager, you will establish and execute the data product operating model, define the vision and strategy for data products, implement product management processes, and produce roadmaps for high-quality, high-performing data products. Your team will gather requirements, write use cases, organize features, implement tools, and establish metrics for managing the data product lifecycle and maintaining a data product catalog or subscription.
NewPrincipal RFIC Engineer (Starshield Silicon) SpaceXPrincipal RFIC Engineer (Starshield Silicon)Irvine, CA$210,000–$340,000 / yearCircuit design skills, and experience performing analysis and simulation of both linear and non-linear circuits such as phase-locked loops, vector modulators/demodulators, oscillators, mixers, filters, low noise and power amplifiers. You will work in a highly collaborative and fast-paced environment, where we are exploring unsolved problems and applying the SpaceX mindset of iterating rapidly to go from design and demo to operational capability at lightning pace.
Principal Software Engineer, Manufacturing Systems Neros TechnologiesPrincipal Software Engineer, Manufacturing SystemsTorrance, California$214,500–$300,000 / yearExperience working with cross-functional stakeholders outside engineering, including operations, manufacturing, warehouse, supply chain, quality, finance, or business systems teams. Design and build production software for factory execution, including work orders, routing, material issue/consume, completion, serialization, genealogy, rework, and exception handling.
Principal Electrical Systems Design Engineer EpirusPrincipal Electrical Systems Design EngineerTorrance, California$178,600–$215,800 / yearTo conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you 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. System Integration: Lead the design and integration of the power electronics subsystems of large-scale phased arrays from prototype development to full-scale production.
Principal/Lead Mechanical Engineer Neros TechnologiesPrincipal/Lead Mechanical EngineerTorrance, CA$160,000–$210,000 / yearAs drones transform the character of warfare, Neros is delivering the systems the West needs to compete on the modern battlefield and deter the adversaries of democracy. We design and manufacture high-performance unmanned systems that are tested in combat, iterated at startup speed, and built at massive scale.
Principal Engineer, Manufacturing Systems Neros TechnologiesPrincipal Engineer, Manufacturing SystemsTorrance, CA$100,000–$190,000 / yearExperience working with cross-functional stakeholders outside engineering, including operations, manufacturing, warehouse, supply chain, quality, finance, or business systems teams. Design and build production software for factory execution, including work orders, routing, material issue/consume, completion, serialization, genealogy, rework, and exception handling.
Principal Product Manager, Forward Deployment BetterUp IncPrincipal Product Manager, Forward DeploymentCA$236,800–$355,200 / yearYou dont need to write production code, but you should read an API doc without help, reason about a data pipeline, configure an LLMs context and guardrails yourself, and tell an engineer when an approach wont survive the customers security review. 9+ years in product management, solutions architecture, or a forward deployed role, including several years owning the technical relationship on enterprise accounts where the contract value ran into seven or eight figures.