Structural Engineer | Associate Principal/Principal for Education and Civic Practice Degenkolb EngineersStructural Engineer | Associate Principal/Principal for Education and Civic PracticeLos Angeles, CA$176,000–$220,000 / yearFull timeIdeal Candidate : This role is ideal for an experienced Project Manager and technical leader who combines strong client relationships and business development capabilities in higher education (university and community college) with a passion for mentoring and developing staff. This role will lead complex design-build projects, new design and seismic evaluation and retrofit work for civic and university facilities, while helping grow Degenkolb’s market presence in Southern California.
Senior/Staff/Principal Mechanical Engineer - Robotic Hardware Horizon Surgical SystemsSenior/Staff/Principal Mechanical Engineer - Robotic HardwareLos Angeles, CaliforniaMicrosurgery 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).
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.
NewPrincipal Engineer Facilities - Level 3 Northrop Grumman CorpPrincipal Engineer Facilities - Level 3Redondo Beach, CA$103,600–$155,400 / yearBe onsite evenings or weekends as required for critical project activities (crane lift, power outages, etc.) and available to respond to Teams messages or calls during evenings and weekends for high-visibility construction projects. Demonstrate strong teamwork skills and collaborate effectively with multiple groups across campus, including coordinating overlapping projects led by other Facilities Engineers.
Principal Software Engineer (Embedded) Judge GroupPrincipal Software Engineer (Embedded)Moorpark, CA$180,000–$198,000 / yearLeads development of rapid prototyping and conceptual level testing and will require estimating time to develop software and scoping the depth of the development with project/program management to fit timeline and budget constraints. A BS degree in Computer Science/Engineering, Electrical Engineering, Aerospace, Mechanical Engineering or related field is required or equivalent combination of education, training, and experience.
Principal Satellite Engineer Darwin RecruitmentPrincipal Satellite EngineerLos Angeles, California$240,000–$300,000The Principal Engineer will lead spacecraft level assembly, test and launch operations for multiple programs, shaping production flows, driving integration schedules and ensuring vehicles meet mission requirements. You will work hands on in the cleanroom performing integration and system level testing while also guiding engineers, reviewing designs, resolving major discrepancies and supporting mission readiness reviews.
Principal RF Engineer (Starshield) SpaceXPrincipal RF Engineer (Starshield)Hawthorne, CA$210,000–$300,000 / yearYou will work with a team of fellow RF engineers, DSP engineers, software engineers, hardware engineers and end users to design and build RF capabilities for proliferated communications and remote sensing in low earth orbit. 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.
Principal Staff Engineer - Web Platform ProtingentPrincipal Staff Engineer - Web PlatformCalabasas, CA$130,000–$195,000 / yearGlobal Engineering Collaboration: Work closely with the China-based engineering team to coordinate development efforts, conduct code reviews, align on architectural direction, manage releases, and maintain strong engineering communication across time zones. Strong AWS & Cloud Operations Expertise: Deep hands-on experience with AWS services and production cloud environments, including EC2, RDS, S3, Lambda, CloudWatch, networking, scaling, monitoring, and infrastructure troubleshooting.
Principal Embedded Firmware Engineer Hire Ventures, Inc.Principal Embedded Firmware EngineerLos Alamitos, CAThis role is a strong fit for an engineer who enjoys ambitious embedded work, wants meaningful technical ownership, and is motivated by seeing hardware operate successfully in real customer environments. We are a small, agile, and fast-paced company that offers employees the opportunity to take ownership, drive improvements, work collaboratively across departments, and make a meaningful impact without layers of bureaucracy.
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.
Principal Spacecraft Simulation Software Engineer True AnomalyPrincipal Spacecraft Simulation Software EngineerLong Beach, CA$210,000–$325,000 / yearLead the design and implementation of production-quality multi-physics simulation software spanning spacecraft subsystems: 6DOF rigid body dynamics (gravity gradient, solar radiation pressure, atmospheric drag, magnetic torques, third-body effects), thermal modeling, attitude dynamics and control, propulsion (chemical/electric), power generation and storage, and high-fidelity sensor/actuator models (reaction wheels, CMGs, star trackers, gyros, magnetometers). True Anomaly is seeking a Principal Spacecraft Simulation Software Engineer to define the long-term technical vision and architecture for a simulation platform that spans some of the hardest problems in modern aerospace - from high-fidelity multi-physics modeling of spacecraft and constellations to simulation of complex, dynamic environments that don't yet have established playbooks.
Senior 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. From designing and testing Neutron's structures and components, to firing up its new Archimedes engines, to setting up Neutron's launch pads and test sites across the United States, joining the Neutron team is your opportunity to help launch a new large rocket for the very first time.
Sr Principal Mechanical Engineer Samson RoseSr Principal Mechanical EngineerEl Segundo, California$180,000–$260,000 / yearThe company is looking for engineers who bring deep technical expertise but also understand the realities of deploying hardware in demanding operational environments—engineers who can identify what they don't know, learn from real-world integration challenges, and make sound engineering decisions under uncertainty. The role offers exposure to system architecture, mechanical design, hardware integration, environmental qualification, supplier development, testing, and production , with the opportunity to influence both current programs and the engineering practices used on future platforms.
Principal Electrical Engineer Neros TechnologiesPrincipal Electrical EngineerTorrance, CaliforniaAs a Principal Electrical Engineer at Neros, you will serve as the senior technical authority for our production electronics, owning the hardware development lifecycle from system architecture through detailed design, layout oversight, and high-volume production release. RF and wireless system design expertise, including antenna design, RF front-end architecture, link budget analysis, and regulatory compliance (FCC/CE) - this is a highly desirable capability given the nature of our products.
Principal Electrical Engineer, Integration & Test Radiant IndustriesPrincipal Electrical Engineer, Integration & TestEl Segundo, CaliforniaPortable nuclear power with rapid-deploy capability can replace similar-sized diesel generators and provide critical asset support for hospitals, data centers, remote sites, and military bases. The ideal candidate brings deep electrical engineering expertise, strong systems-level thinking, and a track record of leading complex hardware programs from concept to deployment.
NewPrincipal AI Engineer - Personalization and Recommendation (Remote) RulaPrincipal AI Engineer - Personalization and Recommendation (Remote)Los Angeles, CaliforniaRemote3+ years of experience with MLOps, data pipelines, and rigorous evaluation systems (offline metrics like NDCG/MAP, online A/B testing), with a demonstrated ability to define technical strategy and guide the broader AI/ML infrastructure ecosystem. Strong proven track record working with both traditional search/retrieval infrastructure (e.g., Elasticsearch, OpenSearch) and modern vector databases (e.g., Pinecone, Weaviate, FAISS, Milvus).
Principal Development Test Engineer K2 SpacePrincipal Development Test EngineerLos Angeles, CaliforniaExperience designing, building, and testing mechanical assemblies and test fixtures for aerospace or terrestrial applications (satellite mechanical systems, payloads, launch vehicles, propulsion systems, and/or aircraft structures and mechanisms). Engineered to survive the harshest radiation environments and to fully capitalize on today's and tomorrow's massive rockets, K2 satellites deliver unmatched capability at constellation scale and across multiple orbits.
Principal GNC Engineer AstrolabPrincipal GNC EngineerHawthorne, California$180,000–$235,000 / yearEnsure the GNC and perception system design, implementation, and testing are closely coordinated with affected stakeholders such as vehicle engineering (for sensor and lighting placement), avionics, software, and mission operations team. What you'll do: Lead the design, verification, validation, testing, and characterization of GNC and perception systems for manual, semi-autonomous, and autonomous rover operations in a fast-moving, schedule-constrained development environment.
Principal Stage Fluids Engineer Rocket Lab USAPrincipal Stage Fluids EngineerLong Beach, California$162,000–$243,000 / yearFull timeImportant 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 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.
Principal Fullstack Engineer FlightStoryPrincipal Fullstack EngineerLos Angeles, CaliforniaWe have built proprietary technology and obsessed teams to identify and scale the highest-potential creators across our core pillars: Creator Media: Amplifying reach, influence, and trust. You set the technical bar for the whole engineering team, own architecture for the ITO's hardest and highest-stakes systems, and make the calls that don't have a committee to hide behind.