NewPrincipal Power Electronics Engineer Long WallPrincipal Power Electronics EngineerLong Beach, CAPrincipal Power Electronics Engineer As a Power Electronics Engineer, you will lead the development, design, build, and commissioning of power conversion systems at Long Wall to support product tests, operations, and launches. You 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.
NewSenior Combustion Devices Engineer II / Principal Combustion Devices Engineer Rocket Lab CorporationSenior Combustion Devices Engineer II / Principal Combustion Devices EngineerLong Beach, CA$144,000–$270,000 / 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.
NewPrincipal Product Quality Engineer EpirusPrincipal Product Quality EngineerTorrance, CA$139,300–$160,000 / yearExperience leading cross-functional teams to solve highly visibility quality issues, drive continual improvement initiatives, and facilitate the adoption of quality requirements in the product development process. To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. .
NewPrincipal Thermal-Hydraulics & Safety Analysis Engineer BlueCore EnergyPrincipal Thermal-Hydraulics & Safety Analysis EngineerLong Beach, CAPrincipal Thermal-Hydraulics & Safety Analysis Engineer About the Role The Principal Thermal-Hydraulics & Safety Analysis Engineer operates at the critical intersection of fluids, structural mechanics, and safety. Physical & Machinery Requirements: Because we are a hands-on startup, this role may require the ability to perform physical labor, navigate active construction/manufacturing zones, and/or operate heavy machinery and specialized manufacturing equipment as needed.
NewPrincipal Electronics Engineer ALTEN Technology USAPrincipal Electronics EngineerCarson, CA$130,000–$145,000 / yearThis is a hands-on principal-level role for an engineer who has previously held an equivalent position and is ready to take ownership of the full electrical design lifecycle — from schematic and PCB layout through contract manufacturing, production support, and in-service root cause investigation. Lead and contribute directly to PCB layout activities, including component placement, power/signal routing, thermal management, and layout for high-current and high-frequency power stages.
NewPrincipal FPGA Engineer AstrolabPrincipal FPGA EngineerHawthorne, CADevelop FPGA logical architecture and requirements in collaboration with other engineering disciplines including defining HW/SW interfaces between fabric logic and processing subsystems. We are singularly focused on designing, building, and operating a fleet of multi-purpose commercial planetary rovers to extend and enhance humanity’s presence in the solar system.
NewPrincipal Electrical Engineer ActalentPrincipal Electrical EngineerIrvine, CA$65–$80 / hourWe are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing® winner for both client and talent service. If you're passionate about engineering excellence, continuous improvement, and working alongside talented professionals committed to meaningful innovation, we'd love to hear from you.
NewPrincipal Mechanical Engineer ThinKom SolutionsPrincipal Mechanical EngineerHawthorne, CA$140,000–$180,000 / yearThis role offers the opportunity to serve as the lead mechanical engineer on key programs while providing technical leadership, mentoring junior engineers, and contributing to multiple product development efforts across the organization. At ThinKom, you'll help develop innovative technologies that enable critical communications and advanced electromagnetic systems for Commercial Inflight Connectivity (IFC), High-Power Microwave (HPM), and Gateway & Defense SATCOM applications.
NewStructural Engineer | Associate/Associate Principal Degenkolb EngineersStructural Engineer | Associate/Associate PrincipalAnaheim, CA$153,000–$188,000 / yearPerform and review complex structural calculations and analysis for new building design to California building codes based on advanced theoretical knowledge of civil and structural engineering principles and concepts. You will benefit from focused professional development within a supportive and transparent team environment, as well as opportunities for committee participation and leadership, variety in work assignments, and a pay scale set at the 75th market percentile.
NewPrincipal Mechanical Engineer, Tooling Relativity SpacePrincipal Mechanical Engineer, ToolingLong Beach, CA$185,000–$277,000 / yearClose collaboration with component designers, manufacturing engineers, and integration engineering to achieve the best possible cradle to grave metrics (safety, cost, quality, cycle time, delivery, reliability, life, and maintenance/refurbishment). As a design group embedded within the manufacturing organization, we dig deep into the needs of our internal partners to understand root problems, propose solutions, and deliver hardware to help build faster, scale smarter, and work better.
NewPrincipal Mechanical Engineer, Factory Automation Relativity SpacePrincipal Mechanical Engineer, Factory AutomationLong Beach, CA$185,000–$277,000 / yearClose collaboration with component designers, manufacturing engineers, and integration engineering to achieve the best possible cradle to grave metrics (safety, cost, quality, cycle time, delivery, reliability, life, and maintenance/refurbishment). As a design group embedded within the manufacturing organization, we dig deep into the needs of our internal partners to understand root problems, propose solutions, and deliver hardware to help build faster, scale smarter, and work better.
NewPrincipal Mechanical Design & Analysis Engineer, Tooling Relativity SpacePrincipal Mechanical Design & Analysis Engineer, ToolingLong Beach, CA$185,000–$277,000 / yearClose collaboration with component designers, manufacturing engineers, and integration engineering to achieve the best possible cradle to grave metrics (safety, cost, quality, cycle time, delivery, reliability, life, and maintenance/refurbishment). As a design group embedded within the manufacturing organization, we dig deep into the needs of our internal partners to understand root problems, propose solutions, and deliver hardware to help build faster, scale smarter, and work better.
NewPrincipal Electrical Systems Design Engineer EpirusPrincipal Electrical Systems Design EngineerTorrance, CA$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. Distinguishing itself from lasers, Leonidas excels against drone swarms while also bending the cost curve back in DoD's favor - taking drone defeat costs from millions of dollars per drone to pennies on the dollar.
NewPrincipal Software Engineer (C#/SQL/Azure) loanDepotPrincipal Software Engineer (C#/SQL/Azure)Mission Viejo, CA$170,000–$233,000 / yearAs a fast-growing national consumer lender, the loanDepot platform is disrupting finance by dissolving the lines between mortgage and nonmortgage credit.\r\n\r\nThe company has funded over $100 billion in loans since inception, and is passionate about emerging financial technology and dynamic product delivery supported by excellent customer service to empower consumers.\r\n\r\nHeadquartered in Southern California, loanDepot employs 5,400+ lending professionals across the country including 1,700+ licensed loan officers who hold 10,000+ licenses. 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.
NewPrincipal Electrical Engineer Opto-Knowledge Systems IncPrincipal Electrical EngineerTorrance, CA$150,000–$250,000 / yearFor over 30 years, OKSI has built electro-optical and infrared sensing systems for GPS-denied navigation, target detection, terminal guidance, and multispectral imaging across air, ground, and space platforms — pairing custom EO/IR hardware with AI/ML autonomy software. Develop high-speed digital interfaces (LVDS, SerDes, DDR, MIPI, CoaXPress) and SWaP-constrained power architectures (DC-DC, battery/power management, sequencing, transient protection).
NewPrincipal I&C Designer Hazen and SawyerPrincipal I&C DesignerIrvine, CACandidate will develop I&C system designs for the water and wastewater industry with the potential for Human Machine Interface and Programmable Logic Controller programming/ configuration work. Proficient in AutoCAD design tools for drafting of I&C drawings including: P&IDs, control system architecture drawings, panel layouts and elevations, and wiring diagrams.
NewSr. Principal Optical Design Engineer Attalon, Inc.Sr. Principal Optical Design EngineerTustin, CA$117,645–$211,830 / yearThe Optical Engineer's function is to plan, design, analyze, communicate, and execute the optical design for high performance optical assemblies, and to determine the following: (1) compliant preliminary and final optical designs, (2) optical sensitivity and tolerance analysis in coordination with mechanical and integration & test engineering, (3) document optical prescription and optical layout, (4) support fabrication, assembly, integration and test for 100% on-time delivery, (5) investigate, identify, and resolve engineering problems involved in the manufacturing of Coherent Aerospace and Defense products to provide a smooth transition into routine production. Key experience, knowledge, or specialization that will enhance effectiveness in this position includes: • Resource for information about optical sensors and optical sensor technology, including the design and modeling of ultraviolet, visual and infrared waveband systems, optically passive athermal sensors, illuminations and projection systems using coherent and incoherent sources.
NewPrincipal Project Engineer RICK ENGINEERING COMPANYPrincipal Project EngineerRiverside, CATechnical experience will include the following: Ability to perform conceptual and preliminary engineering design studies (incorporating land use and zoning considerations, assessment and consideration of site constraints, infrastructure requirements, and potential regulatory issues). Qualified candidate will have a BSCE degree, CA Registration as a Professional Civil Engineer, (or ability to obtain in next 6 months), plus a minimum of eight (6-12) years relevant experience; or the equivalent work experience of twelve (8-15) years in this industry.
Assistant Principal - Instruction (Middle School, Equitas Academy #4) Equitas Academy Charter SchoolAssistant Principal - Instruction (Middle School, Equitas Academy #4)Los Angeles, CAThis role will focus on implementing evidence-based instructional strategies that support diverse learners, including students with exceptional needs and English learners, ensuring equitable access to high-quality education. The Instructional Specialist will provide leadership, coaching, and professional development to educators to improve inclusive practices, language acquisition programs, literacy instruction, and teacher retention strategies.
Assistant Principal, Charter Elementary School Para Los NinosAssistant Principal, Charter Elementary SchoolLos Angeles, CA$115,000–$145,000 / year2+ years of experience serving in a school leadership role and at least 5 years as a teacher (prior Assistant Principal/School Leadership experience strongly preferred).A commitment to improving academic achievement and life outcomes for students of color and students from low-income backgrounds with a deep belief that all students can reach high levels of achievement. The ideal candidate is an student-centered instructional leader who is deeply committed to the PLN Community Schools model and has demonstrated success developing teachers and staff, strengthening instructional and operational systems, and improving outcomes for students in high-needs communities.