Environmental Engineer 4 CDM SmithEnvironmental Engineer 4Los Angeles, CaliforniaWe are currently seeking a mid-level engineer with drinking water or wastewater design background to support a variety of water and wastewater projects in our Water Services Group locally and across the West Coast. Roles and responsibilities include, but are not limited to: • Develop, review, and approve basic to moderately complex engineering designs for: water and wastewater treatment facilities, water and sewer systems, pipelines and pump station engineering.
Fluids Engineer - Advanced Spacecraft Propulsion Approach VentureFluids Engineer - Advanced Spacecraft PropulsionLos Angeles, CaliforniaOur engineering team is building highly integrated propulsion, fluid, and energy systems that enable more capable spacecraft while solving complex engineering challenges through rapid design, testing, and iteration. You will work across spacecraft, propulsion, cryogenic, and thermal fluid systems while collaborating closely with multidisciplinary engineering teams to deliver reliable, flight-ready hardware.
Senior Thermal-Hydraulics Analysis Engineer Valar AtomicsSenior Thermal-Hydraulics Analysis EngineerTorrance, California$151,000–$185,000 / yearWithin the ModSim Engineering Group, the role builds and validates integrated plant models that capture steady-state performance and transient behavior – start-up and shutdown, load changes, loss-of-flow and trip scenarios – and that inform component sizing, control philosophy and cycle optimization (Brayton and supercritical-CO). Flownex SE expertise strongly preferred; otherwise demonstrable depth in a comparable systems/transient code (RELAP5, TRACE, GOTHIC, MELCOR, Modelica/Dymola, Aspen HYSYS Dynamics, Thermoflow / GateCycle) with willingness to adopt Flownex.
Engineer, Drug Substance Bioprocessing/Process Development & Optimization – REMOTE (JP15073) 3 Key ConsultingEngineer, Drug Substance Bioprocessing/Process Development & Optimization – REMOTE (JP15073)Thousand Oaks, CaliforniaRemoteHas the ability to manage projects independently, break down high level projects into smaller incremental tasks, and elevate relevant issues to project lead and line management. Preference for candidates with previous experience in tech transfer, process development, clinical or commercial scale manufacturing, Experience leading or supporting business process optimization/ continuous improvement projects.
Senior TPS Design Engineer InversionSenior TPS Design EngineerPlaya Vista, CA$150,000–$210,000 / yearITAR Compliance: To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Required Qualifications: Minimum of Bachelor's degree in Material Science, Materials Engineering, Mechanical Engineering, Aerospace Engineering, or Chemical Engineering OR equivalent experience in a relevant field.
Environmental Engineer 4 CDM Smith IncEnvironmental Engineer 4Los Angeles, CARoles and responsibilities include, but are not limited to: • Develop, review, and approve basic to moderately complex engineering designs for: water and wastewater treatment facilities, water and sewer systems, pipelines and pump station engineering • Contribute to technical reports and documents to support project development. • Support engineering tasks, perform design calculations, and prepare design reports, plans, and specifications with oversight by more senior staff and support from junior staff • Ensure all project designs comply with state, and local regulations.
Engineer, Biopharma Upstream Process/Equipment Support (JP13874) 3 Key ConsultingEngineer, Biopharma Upstream Process/Equipment Support (JP13874)Thousand Oaks, CaliforniaProviding process engineering support for human therapeutic products in clinical development through commercial production, our mission is to translate developmental processes to commercial reality for patients through scientific expertise and engineering innovation. The ideal candidate for the upstream engineer role is an early-career professional with a bachelor’s degree and 2 years of industry experience, or a recent master’s graduate, preferably in chemical engineering, biochemical engineering, or biology.
Sr. Quality Engineer - Life Sciences Compagnie de Saint-GobainSr. Quality Engineer - Life SciencesGarden Grove, CA$81,500–$126,500 / yearWithin Mobility, our teams design and engineer critical, high-performance materials and proven solutions - most in challenging conditions and core systems that play an important part of our daily lives - as we drive to work or with family, fly on an airplane to explore the world, process samples for medical research, build a better rocket to go as far as we can in outer space; and dive deep under the sea to power our world. They allow access to information such as the characteristics of your terminal or certain personal data (IP addresses, navigation data on the Saint-Gobain site, etc.) for the following purposes: analysis and improvement of the user experience and/or our offer of content, products and services; audience measurement and analysis; interactions with social networks; display of advertising and personalized content.
Technical Recruiter General MatterTechnical RecruiterLos Angeles, California$100,000–$180,000 / yearThis is an exciting opportunity to join a lean, high-impact recruiting team supporting interdisciplinary roles across the organization, including hardware engineering, construction, manufacturing, nuclear engineering, supply chain, and more. Bachelor's degree and 1+ years of recruiting experience (academic, internships, and extracurriculars at university level qualify) or associate degree and 2+ years of experience; or 3+ years of professional experience as a recruiter in lieu of a degree.
Advanced Process Control Engineer Marathon Petroleum CorpAdvanced Process Control EngineerCarson, CA$122,900–$212,000 / yearOwn the end‑to‑end APC project lifecycle, including opportunity identification and prioritization, economic benefit estimation, controller design, model development, commissioning, validation, post‑implementation audits, and continuous improvement. The Marathon Los Angeles Refinery is seeking an Advanced Process Control (APC) Engineer who will serve as a technical leader for multivariable predictive control and optimization applications across multiple refining units.
Manufacturing Engineer, Propellant Castelion CorporationManufacturing Engineer, PropellantTorrance, CaliforniaWe are seeking a Propellant Manufacturing Engineer to lead and execute propellant manufacturing processes for solid rocket motors (SRM) supporting Castelion's hypersonic strike programs, including Blackbeard. Partnering closely with Propulsion Design, Manufacturing, Quality, Automation & Controls, and Test teams, you will ensure propellant processes meet stringent performance, safety, and producibility requirements.
Environmental Engineer 5 CDM SmithEnvironmental Engineer 5Los Angeles, CaliforniaJob Description: At CDM Smith you’ll work with a diverse, dynamic team applying the latest technologies to analyze, assess, rehabilitate, renew, and expand critical water, sewer, stormwater, process, and chemical conveyance systems. In addition, during employment individuals may be required by CDM Smith or a CDM Smith client to successfully complete additional background checks, including motor vehicle record as well as drug testing.
Environmental Project Manager- Geologist or Engineer EnSafe Inc.Environmental Project Manager- Geologist or EngineerLong Beach, CA$90,000–$130,000 / yearAs an Environmental Geologist or Engineer, you'll play a key role in managing and delivering a wide range of environmental investigation and remediation projects while working in an environment that encourages innovation, teamwork, and continuous professional development. At EnSafe, we empower our professionals to expand their technical expertise, build lasting client relationships, pursue leadership opportunities, and make a meaningful impact for our clients, communities, and the environment.
Avionics Integration Engineer, Senior - Lunar Permanence Blue Origin Enterprises LPAvionics Integration Engineer, Senior - Lunar PermanenceLos Angeles, CA$156,802–$219,522.45 / yearand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing, vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs.
Environmental Project Manager- Geologist or Engineer EnSafeEnvironmental Project Manager- Geologist or EngineerLong Beach, California$90,000–$130,000 / yearAs an Environmental Geologist or Engineer, you'll play a key role in managing and delivering a wide range of environmental investigation and remediation projects while working in an environment that encourages innovation, teamwork, and continuous professional development. At EnSafe, we empower our professionals to expand their technical expertise, build lasting client relationships, pursue leadership opportunities, and make a meaningful impact for our clients, communities, and the environment.
Environmental Project Manager- Geologist or Engineer ENSAFE IncEnvironmental Project Manager- Geologist or EngineerLong Beach, CA$90,000–$130,000 / yearAs an Environmental Geologist or Engineer, you''ll play a key role in managing and delivering a wide range of environmental investigation and remediation projects while working in an environment that encourages innovation, teamwork, and continuous professional development. At EnSafe, we empower our professionals to expand their technical expertise, build lasting client relationships, pursue leadership opportunities, and make a meaningful impact for our clients, communities, and the environment.
Simulation Software Engineer General MatterSimulation Software EngineerLos Angeles, Californiapointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]"> We are seeking a Simulation Software Engineer to design and build high-fidelity simulators to perform critical physics and hardware system modeling. You will work closely with hardware, chemical, and electrical engineering teams to accelerate our testing and simulation capabilities and ensure results accurately reflect physical behavior.
LIGO Vacuum Engineer - CEBEX California Institute of TechnologyLIGO Vacuum Engineer - CEBEXPasadena, CAThe Caltech/MIT Laser Interferometer Gravitational-Wave Observatory (LIGO) seeks a highly motivated, skilled, and experienced vacuum engineer with a strong background in both chemistry and solid state physics as they apply to UHV systems. 8+ years of experience in vacuum science or vacuum engineering, BS in Physics, Mechanical, Aerospace, Chemical or Systems Engineering; Material Science; or a related scientific or engineering field.
Director, Fluid Systems Test VastDirector, Fluid Systems TestLong Beach, California$203,360–$288,672 / yearVast is seeking an experienced and highly driven Director, Fluid Systems Test , reporting to the Vice President of Fluid Systems , to lead the strategy, execution, and scaling of fluids test operations supporting the development of artificial-gravity human-rated space stations and supporting spacecraft systems. Vast 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.
RSCH AND DEV ENGR 3 TX The Regents of the University of California on behalf of their Los Angeles CampusRSCH AND DEV ENGR 3 TXLos Angeles, CaliforniaFull timeThis role will lead projects from early-stage feasibility and pre-FEED through the design, construction, and delivery of demonstration-scale plants, requiring a strong blend of process engineering and project engineering expertise. Reporting to the Institute Director and Project Lead, this individual will drive day-to-day research and development activities, working closely with both internal teams and external stakeholders, including partners and vendors.