Sr. Thermodynamics Performance Engineer Arbor EnergySr. Thermodynamics Performance EngineerEl Segundo, California$165,000–$180,000 / 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.
Integration Test Engineer - Fluid Systems VastIntegration Test Engineer - Fluid SystemsLong Beach, California$106,000–$141,500 / yearVast is developing next-generation space stations to ensure a continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and unlocking a new space economy for government, corporate, and private customers. We also take pride in offering exceptional food perks, with snacks, drip coffee & onsite barista, cold drinks, and dinner meals remaining free of charge, and lunch subsidized as part of Vast’s ongoing commitment to providing high-quality meals for employees.
Integration Engineer, Avionics Test VastIntegration Engineer, Avionics TestLong Beach, California$112,340–$159,468 / yearVast is developing next-generation space stations to ensure a continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and unlocking a new space economy for government, corporate, and private customers. We also take pride in offering exceptional food perks, with snacks, drip coffee & onsite barista, cold drinks, and dinner meals remaining free of charge, and lunch subsidized as part of Vast’s ongoing commitment to providing high-quality meals for employees.
Sr. Heat Exchanger Engineer Arbor EnergySr. Heat Exchanger EngineerEl Segundo, California$165,000–$180,000 / yearLead in-house design and development of advanced compact heat exchangers, including printed circuit heat exchangers (PCHEs) and components produced by additive manufacturing (AM) in materials such as 316SS, Inconel 625, and Haynes 282; apply design for additive manufacturing (DfAM) principles to translate geometric freedom into manufacturable, high-performing hardware. Own the thermal-hydraulic design of all heat exchangers in the Arbor power system—recuperators, precoolers, primary heat exchangers, and water and air coolers—from conceptual sizing through detailed design, balancing performance, pressure drop, and cost.
Lead Combustion Engineer Arbor EnergyLead Combustion EngineerEl Segundo, California$170,000–$185,000 / yearOur Lead Combustion Engineer serves as the technical authority pioneering our rocket-inspired, high-pressure oxy-fuel combustion systems - integral in delivering carbon-neutral and carbon-negative power cycles at scale. Our advanced power systems deliver clean, reliable baseload electricity with zero operating emissions—modular, fuel-flexible, and engineered for the realities of today’s energy demand.
Combustion Analysis Engineer Arbor EnergyCombustion Analysis EngineerEl Segundo, California$130,000–$150,000 / yearOur advanced power systems deliver clean, reliable baseload electricity with zero operating emissions—modular, fuel-flexible, and engineered for the realities of today’s energy demand. We're looking for a Combustion Analysis Engineer to perform fluid, thermal, and structural analyses on our novel combustion systems—bringing high-performance engineering to the fight against climate change.
Founding Engineer gerra.comFounding EngineerLos Angeles, CaliforniaAs our Founding Engineer , you’ll architect, build, and ship the software + systems that power real-world robot deployments across retail, hospitality, and live events. The model works — now we need a founding engineer to build the systems that let us scale from dozens to hundreds of deployments monthly.
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.
Structures Design Reliability Engineer VastStructures Design Reliability EngineerLong Beach, California$162,360–$265,392 / yearVast is developing next-generation space stations to ensure a continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and unlocking a new space economy for government, corporate, and private customers. We also take pride in offering exceptional food perks, with snacks, drip coffee & onsite barista, cold drinks, and dinner meals remaining free of charge, and lunch subsidized as part of Vast’s ongoing commitment to providing high-quality meals for employees.
Flight Software Engineer (All Levels) Castelion CorporationFlight Software Engineer (All Levels)Torrance, 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. 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.
Project Engineer GpacProject EngineerGlendale, CA85000–120000If you're looking for more than just a job—and want a company that will invest in your development, reward performance, and provide a clear path toward Assistant Project Manager and Project Manager roles —this opportunity deserves a closer look. You'll work alongside experienced construction professionals while gaining valuable exposure to project management, estimating, scheduling, contracts, subcontractor coordination, project financials, and client relationships .
Propulsion Design Reliability Engineer VastPropulsion Design Reliability EngineerLong Beach, California$162,360–$265,392 / yearVast is developing next-generation space stations to ensure a continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and unlocking a new space economy for government, corporate, and private customers. We also take pride in offering exceptional food perks, with snacks, drip coffee & onsite barista, cold drinks, and dinner meals remaining free of charge, and lunch subsidized as part of Vast’s ongoing commitment to providing high-quality meals for employees.
Principal Data Engineer (Python, AWS, Redshift, EMR, Airflow, Databricks, Big data) | Contract to Hire | Irvine, CA (Hybrid) | Central Business SolutionsPrincipal Data Engineer (Python, AWS, Redshift, EMR, Airflow, Databricks, Big data) | Contract to Hire | Irvine, CA (Hybrid) |Irvine, CaliforniaLead the creation of data environments and/or data sets to serve a wide range of data users, including but not limited to Data Scientists, Data Analysts, Business Analysts etc. Expertise with programming languages - Python (required), Scala, Ruby, R Database technologies - SQL, performance tuning concepts, AWS RDS, RedShift, MySQL.
Avionics Systems Engineer - Flight Safety Systems (Fts / Afss) HermeusAvionics Systems Engineer - Flight Safety Systems (Fts / Afss)Los Angeles, CA$91,800–$224,250 / yearAbout The Role: As an Avionics Systems Engineer, you will be responsible for owning the design, integration, testing, and certification of the Flight Termination System (FTS) hardware and software for advanced flight vehicles. You will work closely with cross-functional teams across avionics, electrical, mechanical, and ground systems engineering to ensure seamless system integration and compliance with range safety requirements.
Lead Engineer, Integration and Test OutpostLead Engineer, Integration and TestLos Angeles, CA$160,000–$220,000 / yearOne vehicle, many missions: responsive logistics and precision delivery for national security; commercial cargo moved with real cadence; R&D payloads flown, tested, and refined across repeatable cycles; and critical aid delivered where roads and runways can't reach. Outpost is an orbital logistics company rewriting the rules of global logistics by building reusable Earth-return vehicles that unlock in-space manufacturing, on-orbit warehousing, and 60-minute global delivery through space.
Junior Full Stack Engineer ProsumJunior Full Stack EngineerRemoe (Pst/Mst), CAThe Junior Full Stack Engineer will work on well-defined feature tickets, contribute to production applications, and develop their technical skills through hands-on delivery, code reviews, pairing, and mentorship from experienced engineers. Required Qualifications Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent experience through a coding bootcamp, self-directed learning, or demonstrated personal projects .
Staff Software Engineer L4 Data Platform Twilio IncStaff Software Engineer L4 Data PlatformCA$171,120–$213,900 / yearIn this role, you will be responsible for architecting scalable and reliable data solutions, collaborating closely with cross-functional partners driving technical innovation, and mentoring a team of talented engineers. Please note the salary range information provided applies only to candidates residing in California, Colorado, Hawaii, Illinois, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Washington D.C., and Washington State due to local requirements.
NewSanta Clarita Project Engineer - DSA Construction Michael Page InternationalSanta Clarita Project Engineer - DSA ConstructionSanta Clarita, California$100,000–$130,000 / yearFull timeA growing and highly respected Southern California general contractor is seeking a talented Project Engineer to support the delivery of complex Public Works and DSA construction projects in the Palmdale area. You'll work alongside experienced Project Managers and Superintendents on impactful projects while gaining the skills and experience necessary to advance your construction management career.
NewSr. Forward Deployed Engineer - Deployment Services Istari, IncSr. Forward Deployed Engineer - Deployment ServicesCAWhere the Solutions Engineer leads agent/module integration and Dgraph operations, this role owns the data and API layer: writing migration scripts, managing database operations, configuring backend services, building automation tooling, and integrating platform APIs. Our platform lets customers simply and securely integrate engineering models across disciplines, organizations, and security levels -- whether they''re designing prototypes, performing virtual testing, or training AI and autonomy for complex systems.
Assistant Chief Engineer Holiday Inn & Suites AnaheimAssistant Chief EngineerAnaheim, CARequires standing for extended periods, walking, pushing, lifting up to 50 pounds, bending and reaching, climbing, stooping, kneeling or crouching. We are also happy to arrange transportation for our guests, provided by Anaheim Resort Transit (ART) at a nominal fee, directly to Disneyland®.