Principal Design Validation & Test (DVT) Engineer Celero CommunicationsPrincipal Design Validation & Test (DVT) EngineerIrvine, CaliforniaThis is a highly visible technical leadership role within a fast-paced startup where you will work closely with Architecture, RTL Design, Firmware, Systems, Product Engineering, and customers to solve complex silicon challenges. As a Principal Engineer, you'll have the opportunity to influence product architecture, shape validation strategy, work alongside industry leaders, and make a significant impact within a collaborative, high-growth startup environment where innovation, ownership, and technical excellence are valued every day.
Supervisor, Mechanical Design Engineer Curtiss-WrightSupervisor, Mechanical Design EngineerBrea, CaliforniaThis team is part of the Engineering Group and provides products to advanced power plant designs including Small Modular Reactors and Generation IV nuclear power plants, as well as existing power plants with decades of experience, in both domestic and international markets. Enertech, a business unit of Curtiss-Wright, is a global leader in providing valves, actuators, snubbers, pipe restraints, instrumentation, diagnostics and test equipment to the Nuclear Power Industry.
NewDesign Validation & Test (DVT) Engineer (multiple roles) Celero CommunicationsDesign Validation & Test (DVT) Engineer (multiple roles)Irvine, California$150,000–$250,000 / yearThis is a highly visible technical leadership role within a fast-paced startup where you will work closely with Architecture, RTL Design, Firmware, Systems, Product Engineering, and customers to solve complex silicon challenges. As a Principal Engineer, you'll have the opportunity to influence product architecture, shape validation strategy, work alongside industry leaders, and make a significant impact within a collaborative, high-growth startup environment where innovation, ownership, and technical excellence are valued every day.
Substation Project Engineer Michael Page InternationalSubstation Project EngineerPasadena, California$55–$80 / hourTemporaryThis position offers you the opportunity to work in a project team environment with other engineers and designers involved in the detailed electrical design and project management of high voltage substation projects. Work on high-impact transmission and substation infrastructure projects supporting grid modernization and reliability initiatives across the U.S. Medical, dental, and vision benefits available.
Senior Mechanical Engineer Cordoba CorporationSenior Mechanical EngineerLos Angeles, CaliforniaRemote$175,000–$230,000 / yearFull timeEngineering News-Record (ENR) has consistently ranked us as a “top 100 construction management firm” and a “top 50 program management firm.” Coordinate with project managers, electrical engineers, civil engineers, and other disciplines to ensure cohesive project delivery.
Product Quality Engineer Morse MicroProduct Quality EngineerIrvine, CaliforniaOperate the Irvine production lab (LitePoint IQxel + FW) to run full Tx/Rx RF test suites on FA units measuring Tx power, EVM, SEM, PER, and frequency error across MCS/BW/frequency combinations and flash firmware branches from the Systems/Radio teams to execute structured before/after corrective action verification. Morse Micro is seeking a Product Quality Engineer to own the Failure Analysis (FA) lab at the Irvine site and serve as the single point of contact between customers, Field Application Engineers (FAEs), and Sydney-based engineering teams (Design, Systems, Radio, DVT, Firmware).
NewSenior Engineer I eTeam Inc.Senior Engineer IPomona, CA$34.38–$37 / hourProvide engineering support for ongoing operational needs to support service reliability and meet other related compliance requirements, such as emergent projects and/or stakeholders' requests and emergencies, as well as North American Electric Reliability Corporation (NERC) compliance and reporting. Manage various in-house design projects by providing technical engineering and design support to the design team, as well as providing training and directions.
Missile Warning Test Engineer (Secret clearance) MaxaarMissile Warning Test Engineer (Secret clearance)El Segundo, California$125,000–$167,000 / yearExperience performing systems engineering, integration, and testing on Overhead Persistent Infrared (OPIR) systems, missile warning systems, or space-based remote sensing systems, with direct experience on Next Gen OPIR, NGG, NGP, FORGE, RGS or related Space-Based IR Sensing programs such as SBIRS, SGEO, or SHEO. Experience supporting interoperability test and evaluation programs (including JITC Interoperability Certification Evaluation Plans and Reports), planning and coordinating integrated and combined test activities for major capability deliveries, and portfolio or program verification, validation, certification, and operational acceptance.
Mission Operations Engineer Apex TechnologyMission Operations EngineerLos Angeles, CaliforniaFor the first time in history, this influx of payload companies combined with reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses. In this role, you will own all aspects of operating our satellites—covering mission planning, onboard and ground-based automation, fault protection, anomaly response, and long-term mission success.
Lead Mission Integration Engineer Apex TechnologyLead Mission Integration EngineerLos Angeles, CaliforniaAs the Lead Mission Integration Engineer , you will define and own end-to-end mission architecture while leading a team responsible for ensuring seamless integration between spacecraft systems, customers, and mission operations. We are looking for experienced engineers who are eager to solve complex mission integration challenges with a focus on practicality and scalability, and who thrive in a dynamic, fast-paced aerospace environment.
Senior Reactor Systems Engineer Radiant IndustriesSenior Reactor Systems EngineerEl Segundo, CaliforniaPrior experience working as an operator in nuclear environments (e.g., nuclear energy, naval reactors, or radiation-controlled facilities), with familiarity in safety protocols, regulatory compliance, and high-reliability operations. Portable 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.
Senior Test Engineer, Mechanical/Fluids Radiant IndustriesSenior Test Engineer, Mechanical/FluidsEl Segundo, CaliforniaPrior experience working as an operator in fast-paced test environments (e.g., rocket engine testing, turbopump testing, component level testing), with familiarity in safety protocols, and high-reliability operations, high pressure gases, safety engineering (FMECAs, Keep-out Zone). You will collaborate with a multidisciplinary team to translate complex hardware and software designs into clear, executable test operations, with encompassing test procedures that will efficiently and safely execute test, commissioning, and operational activities.
Spacecraft RF Engineer (Early) Apex TechnologySpacecraft RF Engineer (Early)Los Angeles, California$120,000–$150,000 / yearFor the first time in history, this influx of payload companies combined with reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses. We are seeking a seasoned spacecraft RF engineer to work on a closely integrated team who will drive the design of hardware and software to meet the telemetry requirements of our bus.
Senior Mission Integration Engineer Apex TechnologySenior Mission Integration EngineerLos Angeles, CaliforniaAs a company at the forefront of space exploration and satellite technology, Apex is looking for an individual capable of independently owning complex spacecraft analysis and serving as the primary liaison between our customers and technical teams to ensure mission success. For the first time in history, this influx of payload companies combined with reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses.
Senior Electrical Engineer (Avionics) Apex TechnologySenior Electrical Engineer (Avionics)Los Angeles, California$165,000–$195,000 / yearMultidisciplinary coordination with software, firmware, mechanical, PCB layout, environments, integration, harnessing, test, manufacturing, and production teams to deliver a fully functional product. For the first time in history, this influx of payload companies combined with reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses.
Senior Test Engineer Radiant IndustriesSenior Test EngineerEl Segundo, CaliforniaPrior experience working as an operator in nuclear environments (e.g., nuclear energy, naval reactors, or radiation-controlled facilities), with familiarity in safety protocols, regulatory compliance, and high-reliability operations. Portable 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.
Simulation Engineer Apex TechnologySimulation EngineerLos Angeles, CaliforniaAs a Simulation Engineer, you will be responsible for developing closed-loop spacecraft test platforms — such as six degrees of freedom simulation platform (6DOF), software-in-the-loop (SITL) and hardware-in-the-loop (HITL) — and executing simulation testing strategies to validate and verify the performance, functionality, and reliability of satellite systems. For the first time in history, this influx of payload companies combined with reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses.
Senior Applied AI/ML Engineer Pivotal HealthSenior Applied AI/ML EngineerLos Angeles, CaliforniaWhether your background is rooted in machine learning engineering, LLM applications, agentic systems, or intelligent workflow automation, success in this role requires strong technical judgment, a bias toward shipping, and a commitment to continuous improvement. 5–8+ years of experience building software systems in production environments, with a strong track record of owning and delivering complex technical solutions.
Principal Electrical Engineer - PCB Radiant IndustriesPrincipal Electrical Engineer - PCBEl Segundo, CaliforniaThis role emphasizes full-stack PCB development, including mixed-signal design, high-speed interfaces, power distribution, and signal integrity, while supporting data acquisition, signal conditioning, estimation, and real-time processing functions critical to reactor control. Portable 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.
Senior Electrical Engineer PicogridSenior Electrical EngineerEl Segundo, California$180,000–$220,000 / yearTo 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. Your work is not bench-bound; you will collaborate closely with software, mechanical, and deployment teams to ensure systems operate reliably in harsh environments from deserts to flightlines to active field operations.