Principal Optical Engineer Amadeus SearchPrincipal Optical EngineerSanta Monica, CaliforniaA cutting-edge technology startup in the augmented reality (AR) space is seeking a highly experienced and hands-on Principal Optical Engineer to lead its optics department. This individual will play a dual role — 60% technical design and prototyping, and 40% leadership and team management — driving the development of next-generation optical systems for AR headsets and other R&D initiatives.
Mission Manager (Senior/Principal) Reflect OrbitalMission Manager (Senior/Principal)Hawthorne, CaliforniaOwn FCC licensing and spectrum-coordination workflows in partnership with engineering and outside counsel, including applications, modifications, technical exhibits, responses, reporting, and other required submissions. You have 5+ years of experience in spacecraft mission management, launch integration, regulatory affairs, technical program management, satellite operations, or a similarly complex aerospace environment.
Principal Product Manager - AI Observability New RelicPrincipal Product Manager - AI ObservabilityLos Angeles, GeorgiaRemote$193,000–$241,000 / yearOwn the AI Observability roadmap and the business outcomes leadership tracks (adoption, retention, expansion), plus the parts of the job that aren't purely product: pricing conversations, exec reporting, and cross-functional escalations. Partner directly with strategic enterprise customers, including their platform and infra teams deciding how to operationalize AI safely, and turn what breaks at their scale into product requirements fast enough to matter.
Principal AI Software Engineer, TechEx (US) West MonroePrincipal AI Software Engineer, TechEx (US)Los Angeles, New York$159,800–$188,000 / yearChatGPT) into day-to-day workflows to enhance productivity and insight generation, coupled with strong critical thinking to assess accuracy, mitigate bias, and ensure high-quality outputs. Principal AI Software Engineers in our TechEx practice have these primary responsibilities: Functional Responsibilities: Collaborate with team members to design and develop software applications across multiple languages.
Principal Engineer, Roads & Highways T.Y. Lin InternationalPrincipal Engineer, Roads & HighwaysLos Angeles, CA$168,000–$247,400 / yearWorking in close partnership with Irvine office leadership and regional/national practice leaders, this position will help scale TYLin's presence, revenue, and influence across the Southern California market. Initial priorities include expanding and deepening relationships with LA Metro, Los Angeles County Public Works, and major cities and counties throughout Southern California-particularly in Orange County.
Senior/Staff/Principal Qt C++ Software Engineer Horizon Surgical SystemsSenior/Staff/Principal Qt C++ Software EngineerLos Angeles, CaliforniaThis role requires a deep understanding of the software development life cycle, strong in C++, Python, Java, and JavaScript programming, and records of success in building product-level scalable systems and cross-functional collaboration. Microsurgery in general and Ophthalmology are subfields of surgery for which the surgical outcomes can be significantly improved by robotic systems to allow superior dexterity, precision, accuracy, and visualization beyond the human surgeon’s own capabilities.
Senior/Staff/Principal Mechanical Engineer - Robotic Hardware Horizon Surgical SystemsSenior/Staff/Principal Mechanical Engineer - Robotic HardwareLos Angeles, California$110,000–$135,000 / yearMicrosurgery in general and Ophthalmology are subfields of surgery for which the surgical outcomes can be significantly improved by robotic systems to allow superior dexterity, precision, accuracy, and visualization beyond the human surgeon’s own capabilities. Staff/Principal levels expected to have personally developed non-traditional multi-DOF robotic systems (not 6/7 DOF industrial arm, SCARA, gimbal, XYZ stage, etc).
Principal Civil Engineer - Transportation Infrastructure Parsons Commercial Technology Group Inc.Principal Civil Engineer - Transportation InfrastructureIrvine, CA$100,900–$176,600 / yearYou will be part of a team which primarily supports Caltrans projects and works on various projects with the regional transportation planning agencies, counties, cities, and transit agencies. Responsibilities: Perform various roadway engineering and design assignments requiring the application of engineering techniques, procedures and design criteria for projects ranging in size and complexity.
Principal Electrical Engineer IGE XAOPrincipal Electrical EngineerIrvine, CA$125,000–$195,000 / yearETAP supports customers in their digital transformation and sustainable energy transitions for a green and smart future, helping them to prioritize safety, maximize reliability, and stay resilient. By applying ETAP solutions, customers experience continuous intelligence during design and engineering and into operations and maintenance using a unified electrical digital twin platform.
Senior Principal Memory Architect MarvellSenior Principal Memory ArchitectIrvine, CAHighlights include an employee stock purchase plan with a 2-year look back, family support programs to help balance work and home life, robust mental health resources to prioritize emotional well-being, and a recognition and service awards to celebrate contributions and milestones. The Custom Cloud Solutions (CCS) Architecture team is at the forefront of designing and delivering Marvell's next-generation custom silicon for the world's most advanced cloud and AI data centers.
Senior / Lead / Principal Platform Engineer CB Smart RecruitSenior / Lead / Principal Platform EngineerLos Angeles, California$200,000–$300,000 / yearThe platform ingests and fuses data from satellite feeds, autonomous sensors, logistics networks, enterprise systems, and open-source intelligence (OSINT) to power production AI/ML workloads, knowledge graphs, and intelligent decision-making systems. As a Platform Engineer, you'll design, build, and operate the infrastructure that powers complex AI/ML workloads, while creating the internal tooling and platform capabilities that help software engineers move faster and more reliably.
Systems Modeling Simulation Engineer (Engineer Or Principal Engineer Level) Northrop GrummanSystems Modeling Simulation Engineer (Engineer Or Principal Engineer Level)Los Angeles, CA$91,800–$137,600 / yearPrincipal Systems Engineer: Bachelor of Science degree in a STEM discipline and 5 years of experience, OR a Master of Science degree in a STEM discipline and 3 years of experience, OR a PhD in a STEM discipline with 1 year of experience. Basic Qualifications: Systems Engineer: Bachelor of Science degree in a Science, Technology, Engineering, or Mathematics (STEM) discipline and 2 years of experience, OR a Master of Science degree in a STEM discipline.
Principal Additive Manufacturing Engineer - Applications Motive CompaniesPrincipal Additive Manufacturing Engineer - ApplicationsLong Beach, CA$150,000–$190,000 / yearYou will work directly with aerospace and defense primes, OEMs, and government organizations to guide AM strategy, influence design decisions, and deliver advanced metal AM solutions for high-stakes missions. This role operates at a peer-to-peer level with senior customer engineers and plays a key part in shaping the future of AM adoption across critical defense and aerospace programs.
Principal Technologist (Req#1230) ePlusPrincipal Technologist (Req#1230)Irvine, CaliforniaThe position requires a strong understanding of how technology drives business outcomes and enables the development of strategies aligned to customer objectives The Principal Technologist will be involved in the entire sales cycle, including leading meetings to discuss key business and technology issues, assess clients' needs and identify the ePlus targeted product and service solutions that best meet those needs. 8 or more years of experience in designing or implementing complex networks, systems/storage solutions and ability to articulate deep technical knowledge of infrastructure services, data center design and cloud integration for enterprise customers.
Principal Software Engineer Deluxe EntertainmentPrincipal Software EngineerBurbank, CA$170,000–$200,000 / yearSince 1915, Deluxe has been the trusted partner for the world's most successful Hollywood studios, independent film companies, TV networks, exhibitors, advertisers and others, offering best-in-class solutions in post-production, distribution, asset and workflow management, and cloud-based technologies. Where the Senior Director sets direction with Product, Engineering leadership, and Operations, you translate that direction into working systems and make the hard technical calls along the way.
Principal, NetSuite Consultant (Remote) - Material Handling (WMS/TMS) Bryant Park ConsultingPrincipal, NetSuite Consultant (Remote) - Material Handling (WMS/TMS)Los Angeles, CARemote$135,000–$165,000 / yearEmbody a continuous learning mindset with a willingness to develop deep expertise in new NetSuite product areas, specifically Warehouse Management Systems (WMS) and Transportation Management Systems (TMS). Knowledge management and professional development are held in highest regard, we offer and sponsor flexible learning options on topics from Project Management to Web Development, and we pay for certifications with top programs.
NewPrincipal Data Engineer Remote 8th Light, Inc.Principal Data Engineer RemoteCARemote$151,535–$189,418 / yearYou''ve shown long-term repeated success delivering data platforms, typically over the course of 10+ years in software and 7+ years in data engineering, with a clear progression into technical leadership and architectural ownership. As a go-to data platform technologist within 8th Light, you''ll take on highly visible, client-facing engagements and set the technical direction for how data gets architected and delivered.
NewPrincipal Software Development Engineer CVS Health CorpPrincipal Software Development EngineerCalifornia, CA$144,200–$288,400 / yearWe are seeking a highly experienced Principal / Director-level Full-Stack Software Development Engineer to join our Digital Caremark organization and lead the architecture, design, and delivery of next-generation digital solutions. The ideal candidate combines deep technical expertise, platform thinking, and strong collaboration skills to build secure, scalable, API-first solutions in a highly regulated environment.
Senior Principal Digital Engineer Northrop Grumman CorpSenior Principal Digital EngineerWoodland Hills, CA$156,400–$234,600 / yearBasic Qualifications: Bachelor''s degree in a STEM field with 8 years of relevant experience; Master''s degree in a STEM field with 6 years of relevant experience; PhD in a STEM field with 4 years of relevant experience. The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate''s experience, education, skills and current market conditions.
Sr Principal Systems Engineer / ICT Lead RTX CorpSr Principal Systems Engineer / ICT LeadAnaheim, CAAST's work in areas such as high-capacity broadband communications, signal processing and analysis, tactical SIGINT, and wireless communications continually challenges our extraordinary engineers to solve problems and make the world a safer place. Software/system/product development experience in one of these areas: telecommunications, data communications, wireless communications, communications protocols, networking protocols, and/or digital signal processing.