Senior Data Scientist - AI Solutions (IDT), Air & Climate Ramboll UK LtdSenior Data Scientist - AI Solutions (IDT), Air & ClimateIrvine, CA$97,204–$121,500 / yearAs our new Senior Data Scientist, you will join the Air & Climate Global Service Line (GSL) Innovation & Digital Transformation (IDT) team to design and deliver applied AI and data-science solutions that accelerate consulting workflows and improve knowledge reuse. Design and build AI-enabled solutions, including retrieval-based systems and document-processing workflows, to improve knowledge access and automation.
2026 Radiation Effects Scientist The Aerospace Corp2026 Radiation Effects ScientistEl Segundo, CA$120,000–$140,000 / yearThis position supports a wide variety of critical space programs in the areas of radiation and space environmental hazards to include hazard assessment, testing methodology, and the uptake of the latest results in civil, commercial, and academic communities to ensure mission success. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers.
NewBusiness Development Leader, Environmental Services Terraphase EngineeringBusiness Development Leader, Environmental ServicesLos Angeles, California$145,000–$200,000 / yearThis senior leadership role is responsible for expanding client relationships, leading strategic pursuits, mentoring technical professionals, and helping shape the long term growth of our regional practice. As the Business Development Leader, you will play a key role in expanding Terraphase's Environmental Services practice throughout Southern California by balancing business development, project leadership, and technical excellence.
Space Photovoltaics Research Scientist The Aerospace CorpSpace Photovoltaics Research ScientistEl Segundo, CA$117,300–$175,900 / yearThe Energy Technology Department (ETD) in PSL provides expert technical assistance for space solar cell and solar array technology used on a broad range of spacecrafts and leads the community by conducting basic and applied research in characterizing photovoltaic devices and understanding how they degrade in the space environment. As a Research Scientist/Senior Scientist within PSL's Energy Technology Department (ETD), you will be focused on leading efforts to develop new tools, capabilities, and prototypes for evaluating and analyzing data for assessing next generation spacecraft solar cell and solar array technology for national security space customers.
Assembler II Beta BionicsAssembler IIIrvine, CAWhile performing the duties of this job, the employee is regularly required to stand; walk; sit; use hands to handle or feel; reach with hands and arms; climb or balance; stoop, kneel, crouch, see, talk or hear. The critical attributes and skills required for this position include manual hand assembly skills, attention to detail, initiative, working well within a team, and ability to produce consistently high-quality results.
Engineering Technician D L3Harris Technologies IncEngineering Technician DAnaheim, CA$95,000–$105,000 / yearThe Engineering Technician is a key member involved in all Test facets of an Engineering development project including proposal preparation, design reviews, test plans, top/sub assembly test procedures, integration, Qualification test procedures and testing, Environmental testing, failure analysis, and test facilities and equipment. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.
NewIndustrial Hygienist (Project Manager) Terraphase EngineeringIndustrial Hygienist (Project Manager)Los Angeles, California$90,000–$130,000 / yearOur unique company culture philosophy of appreciating and recognizing individuals for their work, leadership, and mentoring, while supporting and encouraging a healthy personal and professional lifestyle help to make Terraphase one of the best places to work. Terraphase was founded with the goal of developing a full-service engineering and consulting firm that provides high-quality services to clients with regional and nationwide operations.
Safety Specialist MontroseSafety SpecialistSanta Ana, CA$70,000–$90,000 / yearOur scientists, engineers, field teams and consultants apply systems thinking that unites science, data and practical expertise to deliver solutions that strengthen our clients' resilience, mitigate risk and protect the air, water and soil that sustain communities, while uncovering responsible paths forward for planet and progress. Our scientists, engineers, field teams, consultants and professionals collaborate across disciplines and geographies, guiding industries and governments, ensuring that communities and environments thrive.
Laboratory Technician I - Wet Chemistry MontroseLaboratory Technician I - Wet ChemistryOrange, CA$18–$23 / hourOur scientists, engineers, field teams and consultants apply systems thinking that unites science, data and practical expertise to deliver solutions that strengthen our clients' resilience, mitigate risk and protect the air, water and soil that sustain communities, while uncovering responsible paths forward for planet and progress. Analyze water and soil samples for Oil & grease, Oil & Grease with silica cleanup, cyanide, sulfides, BTU, corrosivity, Ferrous iron, Flash point, Ignitability, MBAS, Phenols, Ortho and total phosphates, Reactive Cyanide, Reactive Sulfide, Salinity.
Testbed Engineer Matter IntelligenceTestbed EngineerEl Segundo, CaliforniaYou will work closely with optical engineers, electrical engineers, mechanical engineers, flight software developers, systems engineers, scientists, and operations leads to ensure Matter’s hardware and software systems are ready for lab campaigns, field deployments, airborne testing, and spaceflight or flight-like missions. The ideal candidate brings a aerospace-style engineering mindset: disciplined test planning, clean documentation, careful hardware handling, rigorous anomaly tracking, and strong ownership from setup through execution, reporting, and closeout.
NewEnvironmental Engineer Trispoke managed servicesEnvironmental EngineerFullerton, CA$30–$33EnvironmentalEngineer #EHSJobs #EnvironmentalHealthAndSafety #EHSCareers #EnvironmentalCompliance #OccupationalSafety #SustainabilityJobs #HazardousWaste #RCRA #SPCC #CalOSHA #EPACompliance #EngineeringJobs #RaytheonJobs #RTXCareers #FullertonJobs #ElSegundoJobs #CaliforniaJobs #ContractToHire #HiringNow #USCitizensOnly #W2Jobs #STEMCareers #SafetyEngineering #EnvironmentalScienceJobs. The successful candidate will demonstrate Environmental, Health & Safety knowledge in one or more of the following areas: environmental sustainability and compliance, occupational safety and will be responsible for developing, managing and implementing EH&S programs and initiatives in a fast-paced engineering and R&D environment.
Project Scientist - CSST or CAC (part-time/temp) TRC Companies, Inc.Project Scientist - CSST or CAC (part-time/temp)Los Angeles, California$35–$45 / hourPart timeWork with client account managers and account teams to meet client expectations and increase services provided to the client Assisting a variety of industrial operations including power, chemical, food - beverage, aerospace, forest products, rail transportation, oil - gas, retail, etc. Oversee sampling strategies measuring airborne concentrations of dust, gases, and mists; uses air sampling instruments and sample collection devices of materials to detect and evaluate employee exposure including determining the effectiveness of engineering and administrative controls.
Principal Engineer/Scientist- Water Resources Exponent Inc.Principal Engineer/Scientist- Water ResourcesPasadena, California$211,500–$258,500 / yearFull timeFor over five decades, we've connected the lessons of past failures with tomorrow's solutions to advise clients as they innovate technologically complex products and processes, ensure the safety and health of their users, and address the challenges of sustainability. Work Environment: At Exponent, we have found that in-person interactions deepen employee engagement and are crucial for development, for realizing the full potential of our talented and diverse teams, and for building a more inclusive workplace where all have a sense of belonging.
Workday Financials & Projects - Lead MontroseWorkday Financials & Projects - LeadIrvine, CA$160,000–$185,000 / yearAs a Lead Workday Analyst- Financials & Projects, you'll serve as the senior functional and technical authority responsible for owning the strategic roadmap, solution architecture, and continuous evolution of Workday Financials and Projects, with a focus on the Professional Services Automation (PSA) capabilities- Projects, Project Billing, and Customer Accounts. Our scientists, engineers, field teams and consultants apply systems thinking that unites science, data and practical expertise to deliver solutions that strengthen our clients' resilience, mitigate risk and protect the air, water and soil that sustain communities, while uncovering responsible paths forward for planet and progress.
Environmental Studies Graduate Program - Part-Time Lecturer Pool California State UniversityEnvironmental Studies Graduate Program - Part-Time Lecturer PoolFullerton, CA$6,608.40–$7,465.20As part of the Titan Community, you have access to many campus facilities and services including but not limited to the Grand Central Art Center in Santa Ana, CSUF Garden Grove Center, Fullerton Arboretum, cultural events and performances in the Clayes Performing Arts Center, Cal State Fullerton Athletics sports events, Titan Recreation Center, and the Employee Wellness Program. The College of Humanities and Social Sciences' departments and programs offer students the breadth of a traditional liberal arts education in the humanities and social sciences while preparing them for a wide range of professions, for graduate school, and for advanced professional study in fields such as law, education, public administration, clinical psychology, and business.
Flight Software Engineer Matter IntelligenceFlight Software EngineerEl Segundo, CaliforniaThese are not required, but they are strong signals you will ramp quickly and have outsized impact: Experience designing and maintaining CI/CD pipelines, automated test systems, static or dynamic analysis workflows, and artifact traceability, especially in GitLab. Matter is building sensor infrastructure to read the Earth’s material fingerprint from orbit, turning previously inaccessible data into critical intelligence for industries like agriculture, mining, insurance, resource management, and environmental monitoring.
Workplace Experience & Office Services Coordinator Hillspire, LLCWorkplace Experience & Office Services CoordinatorLos Angeles, California$40–$43 / hourIt has two grant-making and investment programs: The 11th Hour Project, which works to create a world with fresh air, clean water and healthy food for all people; and Schmidt Marine Technology Partners, which supports scientists, engineers and entrepreneurs in developing technologies that restore ocean health. This person keeps the Hillspire floors on Sunset Blvd cleaned, well-stocked, and running efficiently day to day; supports front-of-house and administrative office operations; and helps plan and execute internal events and employee-experience initiatives.
Sr. Copywriter Temp Contract Known Global LLCSr. Copywriter Temp ContractLos Angeles, CAWithout our incredible partnerships with our clients, spanning across the leading brands in finance, technology, entertainment, media, CPG, real estate, and many other categories, honors like this could not be possible, and also have helped us earn additional awards and recognitions over the years like: Emmys, Clios, Effies, Cannes Lions Awards, ProMax Agency of the Year, Fast Company's World Changing Ideas, Digiday's 2025 Best AI Platform and Digiday's Most Innovative Media Agency, to name a few. We are about 200+ people strong, pairing PhD data scientists with award-winning creatives, strategists, engineers, and expert research teams to produce some of the most innovative and cutting-edge creative work in culture.
NewEnvironmental Project Manager Terraphase EngineeringEnvironmental Project ManagerIrvine, CaliforniaOur unique company culture philosophy of appreciating and recognizing individuals for their work, leadership, and mentoring, while supporting and encouraging a healthy personal and professional lifestyle help to make Terraphase one of the best places to work. Terraphase was founded with the goal of developing a full-service engineering and consulting firm that provides high-quality services to clients with regional and nationwide operations.
Creative Director, Art Known Global LLCCreative Director, ArtLos Angeles, CA$150,000–$165,000 / yearWithout our incredible partnerships with our clients, spanning across the leading brands in finance, technology, entertainment, media, CPG, real estate, and many other categories, honors like this could not be possible, and also have helped us earn additional awards and recognitions over the years like: Emmys, Clios, Effies, Cannes Lions Awards, ProMax Agency of the Year, Fast Company's World Changing Ideas, Digiday's 2025 Best AI Platform and Digiday's Most Innovative Media Agency, to name a few. We are building a legacy filled with exceptionally talented people with a kaleidoscope of backgrounds, experiences, and origin stories who feel encouraged and empowered to bring their whole selves to work, and to partner with us in molding and shaping our culture through our values.