Thermodynamics Performance Engineer Arbor EnergyThermodynamics Performance EngineerEl Segundo, California$140,000–$155,000 / yearYou'll be the person who turns integrated system behavior into clear, actionable insight — running performance studies ahead of test campaigns, reconciling predictions against test data, and growing our modeling capability into a digital-twin-quality simulation platform that supports controls development, trip response, and eventual hardware-in-the-loop testing. Deep experience with industry dynamic simulation platforms (such as GT-SUITE, Modelica/Dymola, NPSS, Flownex, Simcenter Amesim, or equivalent) applied to turbomachinery, power cycles, or closed-loop thermal-fluid systems.
Senior Product Security Engineer United Talent AgencySenior Product Security EngineerBeverly Hills, California$160,000–$200,000 / yearSupport the security of UTA’s custom-built digital products and platforms, including web applications, cloud services, agentic workflows, data-driven tools, AI-enabled business tools, and custom tools used by employees, business teams, and external partners and clients - from design through deployment and ongoing operation. Partner with engineering, DevOps, and security operations to mature vulnerability operations, including reachability-based prioritization, AI-assisted triage and remediation, developer-native fix workflows, and automated validation that critical attack paths have been closed.
NewAutomation Engineer : 26-02498 Akraya, Inc.Automation Engineer : 26-02498Thousand Oaks, CA$30–$40 / hourMost recently, we were recognized Stevie Employer of the Year 2025, SIA Best Staffing Firm to work for 2025, Inc 5000 Best Workspaces in US (2025 & 2024) and Glassdoor's Best Places to Work (2023 & 2022)! You will be responsible for troubleshooting and updating DeltaV systems, collaborating with cross-functional teams to translate process needs into technical solutions, and providing essential on-site support for manufacturing operations.
Staff Instrumentation & Controls Engineer – Nuclear Valar AtomicsStaff Instrumentation & Controls Engineer – NuclearTorrance, California$173,000–$211,000 / yearLead design, specification, selection, and integration of neutron detectors (e.g., fission chambers, boron-lined detectors) and associated signal conditioning electronics (wide-range, source range channels). You will serve as a senior technical authority for nuclear instrumentation and controls (I&C) systems with a focus on neutron detection, detector signal processing electronics, and radiation monitoring equipment.
Senior Systems Engineer KBRSenior Systems EngineerEl Segundo, CA$170,000–$220,000 / yearKBR is seeking an experienced Senior Systems Engineer to join our small, hand-selected team supporting the Space Data Network Backbone (SDN-B) Program Management Office (PMO) within the US Space Force (USSF) Space Systems Command (SSC) Spectrum Warfare Division (SYD 89/SW). Key Responsibilities: Support a broad range of systems engineering activities across the program lifecycle, including system requirements definition, design, interface management, data architecture development, verification and validation, integration, performance analysis, lifecycle cost analysis & estimation, decision analysis, and physical configuration assessments.
ESS Terminals Senior Systems Engineer KBRESS Terminals Senior Systems EngineerEl Segundo, CA$162,000–$203,000 / yearWe seek technical individuals who will thrive in a highly collaborative work environment of small teams, using the most modern tools and methodologies to tackle the challenges of integrating complex space and ground communications systems. The ESS Terminals Senior Systems Engineer will play a critical role in designing, implementing, and maintaining complex infrastructure, platform, and software systems that supports National Leadership Authority capabilities.
Systems Engineer Teledyne TechnologiesSystems EngineerEl Segundo, CaliforniaThese markets include aerospace and defense, factory automation, air and water quality environmental monitoring, electronics design and development, oceanographic research, deepwater oil and gas exploration and production, medical imaging and pharmaceutical research.. You’ll join a collaborative team of high‑caliber engineers working at the intersection of hardware, software, and networking to develop next‑generation wireless avionics systems used by commercial aircraft around the world.
Space Systems Engineers (Multiple Positions) KBRSpace Systems Engineers (Multiple Positions)El Segundo, CA$121,000–$251,000 / yearBachelor of Science degree in related science field (electrical engineering, physics, math, data science, systems engineering, aerospace engineering, orbital mechanics, or space physics, etc.). The successful candidates will collaborate and communicate with Government leadership team to ensure processes and products are delivered within program schedule and demonstrate depth of knowledge as applied and used in system of systems integration.
ESS Terminals Systems Engineer KBRESS Terminals Systems EngineerEl Segundo, CA$135,000–$169,000 / yearWe seek technical individuals who will thrive in a highly collaborative work environment of small teams, using the most modern tools and methodologies to tackle the challenges of integrating complex space and ground communications systems. The ESS Terminals Systems Engineer will play a critical role in designing, implementing, and maintaining complex infrastructure, platform, and software systems that support National Leadership Authority capabilities.
NewModeling & Simulation Engineer, Radars CHAOS IndustriesModeling & Simulation Engineer, RadarsEl Segundo, California$140,000–$190,000 / yearCharacterize performance using metrics such as signal-to-noise or signal-to-interference-plus-noise ratio, probability of detection, false-alarm performance, coverage, detection range, measurement accuracy, track accuracy, revisit rate, update rate, latency, track capacity, and robustness to environmental or threat effects. We develop physics-based models, simulation environments, and analysis tools that help engineering teams evaluate system behavior, improve designs, and reduce risk before hardware design, integration, test, and fielding.
Integration & Test Engineer - Effector Systems Samson RoseIntegration & Test Engineer - Effector SystemsEl Segundo, CaliforniaAn extremely exciting company has partnered with us to scale its engineering team, and we’re looking for a Senior Integration & Test Engineer to play a key role in advancing next-generation effector systems for air defense. The person we are looking for: Bachelor’s degree in Aerospace Engineering, Electrical Engineering, Mechanical Engineering, Computer Science, or a related field.
Chief Space Systems Engineer Space Systems IntegrationChief Space Systems EngineerEl Segundo, CA$210,000–$230,000 / yearPerforms systems architecting and engineering activities such as system requirements definition, interface definition, design, interface management, data architecture development, systems integration, performance analysis, lifecycle cost analysis & estimation, decision analysis, and development and refinement of communications concepts of operation. Bachelor of Science and eighteen (18) years or more experience; Master's and sixteen (16) years or more experience, or an additional 4 years of experience may be used in lieu of a Bachelor's degree.
GNC Engineer Reflect OrbitalGNC EngineerHawthorne, CaliforniaYour work will span from vehicle-level dynamics modeling, to propagated orbital dynamics modeling, to controller design that we can implement on flight-ready avionics. Clear prior technical ownership of functioning vehicle controllers and sim (I designed and simulated the GNC for “xyz” vehicle).
Senior Test Engineer - Missile Warning Capabilities Stellar Solutions IncSenior Test Engineer - Missile Warning CapabilitiesEl Segundo, California$126,000–$162,000 / yearFull timeWe bring talented, energetic, and immediately productive professionals to meet critical customer needs in systems engineering and integration, mission operations, program management, and strategic planning—helping teams deliver resilient capability to the mission with speed, quality, and focus. Overview: Stellar Solutions, a nationally recognized “Great Place To Work,” delivers engineering solutions across commercial space and national security missions—from innovative new entrants to established space systems organizations.
Space Systems Engineer Space Systems IntegrationSpace Systems EngineerEl Segundo, CA$120,000–$170,000 / yearPerform systems architecting and engineering activities such as system requirements definition, interface definition, design, interface management, data architecture development, systems integration, performance analysis, lifecycle cost analysis & estimation, decision analysis, and development and refinement of concepts of operation. Role and Responsibilities include: Lead technical requirements development, systems engineering, and oversee development contractor to develop, design, produce, integrate and test space systems.
Welding Manufacturing Engineer Machina LabsWelding Manufacturing EngineerChatsworth, CAJob Description: The Welding Manufacturing Engineer is responsible for applying advanced engineering principles to design, develop, validate, and continuously improve welding systems, manufacturing methods, tooling, and production processes supporting Machina Labs' manufacturing operations. This role serves as the technical authority for welding engineering initiatives, independently evaluating complex manufacturing challenges and developing engineering solutions that improve quality, manufacturability, throughput, and production scalability.
Senior RF Systems Engineer HermeusSenior RF Systems EngineerLos Angeles, CA$138,550–$187,450 / yearAbout The Role: As an RF systems engineer you will be responsible for identifying RF hardware requirements, creating system architectures, and building/testing/integrating the RF solutions - both on the aircraft and ground station. Develop test concepts and test procedures for RF and Environmental testing, including far field and near field measurements (plus vibration, shock, thermal and thermal vacuum).
** Senior Electronics Design Engineer Dwyer Instruments** Senior Electronics Design EngineerSimi Valley, CAThe company offers over 300,000 state-of-the-art products for process measurement and control of temperature, humidity, pressure, strain, force, flow, level, pH, conductivity, and indoor air quality, and is a recognized global leader in the digital marketing of technical products. A key focus of the role is optimizing battery-powered devices through ultra-low-power design techniques and implementing robust wireless communication protocols such as BLE, LoRa, Wi-Fi, and cellular technologies.
Lead Avionics Engineer Castelion CorporationLead Avionics EngineerTorrance, CaliforniaCastelion is bringing a new approach to defense development and production: one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing strategies for production at scale. Act as the technical expert for the overall system and piece-part components, leading component & system anomaly root cause investigations and with data-driven rationale to determine hardware disposition & corrective.
Senior Engineering Manager, Systems Engineering CesiumAstroSenior Engineering Manager, Systems EngineeringEl Segundo, CA$228,000–$279,000 / yearPlease Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State. Provide employee task assignments, helping employees connect their efforts to the bigger picture, creating an inclusive work environment characterized by mutual respect and valuing differences, and building a culture that motivates employees to achieve their potential.