Principal Opto-Mechanical Engineer Alcon ResearchPrincipal Opto-Mechanical EngineerLake Forest, CaliforniaApply in-depth knowledge of Opto-Mechanical Engineering in Ophthalmic related Diagnostic & Visualization surgical instrumentation domain as SME across a range of engineering disciplines including, Mechanical Design, Opto-mechanics, Optics, Fiber Optics, Material Science, Precision Machining, Imaging, Illumination, Microscope and Optical Systems Design. Perform Opto-mechanical design including lens barrel and lens housing design, lens bonding and mounting techniques, and opto-mechanical analysis including thermal, environmental, shock & vibration, system integration and stability tolerance study.
Principal, Software Engineer Alcon ResearchPrincipal, Software EngineerLake Forest, CaliforniaCollaborate closely with the software development teams, Technical Support, Field Service, Manufacturing, Clinical and other operation organizations to support necessary software changes initiated by reported anomalies, changes in use cases, material or hardware changes that impact software, cybersecurity, regulatory updates, and other. The Principal Software Engineer collaborates closely with onshore and offshore development and V&V teams throughout the software development lifecycle, providing technical inputs for testing, validating software modifications, supporting troubleshooting activities, and maintaining software configuration management.
Principal Digital Design Engineer GreenWave RadiosPrincipal Digital Design EngineerIrvine, CaliforniaOur 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.
NewPrincipal Software Engineer Valar AtomicsPrincipal Software EngineerTorrance, CaliforniaYou will set the direction the rest of our software engineers build against, take the hardest problems yourself, and work directly with reactor and fuel engineers, systems engineering, licensing, manufacturing, supply chain, and operations to understand how they actually work and then build the tooling that makes them faster. The Principal Software Engineer will own the technical architecture of the operating system for Valar—the telemetry systems that capture every second of reactor and fuel test data, the streaming backbone that moves it, the simulation platforms our reactor engineers design with, and the enterprise systems that run the company.
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 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 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 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 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 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 Electrical RF Engineer ICONMA, LLCPrincipal Electrical RF EngineerClaremont, CA$118,000–$153,300 / hourResponsibilities: 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.
Principal Consultant | Oracle Cloud | HCM Cloud Technical IMCS Group IncPrincipal Consultant | Oracle Cloud | HCM Cloud TechnicalIrvine, CARemoteCompany Description: IMCS Group is one of the fastest growing MWBE (Minority Woman Owned Enterprise) staffing firms in the U.S. We focus on bringing a Diversity Recruitment approach to Fortune 500 companies within North America and EMEA region contingent labor programs. Strong knowledge in writing the Functional Specifications, Drive the Workshops, Coordinate with client Business leads to finalize the conversion template, Perform Unit & End to End Testing.
Principal Design Reliability Engineer Galaxy Technology Hires LLCPrincipal Design Reliability EngineerTorrance, CAOur client is looking for a Principal Design Reliability Engineer , reporting to the Senior Manager, Design Reliability, to support the development of the systems that will be required for the design and build of artificial-gravity human-rated space stations. Technical Leadership: Lead the technical reviews that shape the future of artificial-gravity space habitats—providing clear, decisive guidance during milestone design reviews and major risk gates.
NewPrincipal Electrical Engineer PEAK Technical Services Inc.Principal Electrical EngineerLong Beach, CA$67.31–$84.62 / hourProvide assistance and advice during procurement, construction, and commissioning activities, including writing requisitions, conducting technical bid evaluations, and writing purchase orders. In this role, you will provide advanced electrical engineering services, offering technical leadership, oversight, and supervision within the electrical engineering team.
Principal Electrical Engineer PEAK Technical StaffingPrincipal Electrical EngineerLong Beach, CA$67.31–$84.62 / hourProvide assistance and advice during procurement, construction, and commissioning activities, including writing requisitions, conducting technical bid evaluations, and writing purchase orders. In this role, you will provide advanced electrical engineering services, offering technical leadership, oversight, and supervision within the electrical engineering team.