NewProcess Integration Engineer SemtechProcess Integration EngineerAlhambra, CaliforniaPosition Summary: The Process Integration Engineer – InP Wafer Fab position is responsible for end-to-end ownership of Indium Phosphide (InP) wafer fabrication process flows supporting the manufacturing of DFB lasers, Semiconductor Optical Amplifiers (SOAs), and Gain Chip (GC) products. This role serves as the technical integrator across all wafer fab process modules, ensuring compatibility, robustness, and high-yield performance of the complete device fabrication flow.
Photo Engineer - Lithography & Mask Layout Semtech CorpPhoto Engineer - Lithography & Mask LayoutAlhambra, CA$73,000–$110,000 / yearPosition Summary: The Photo Engineer - Lithography & Mask Layout position is a technical ownership role within an Indium Phosphide (InP) wafer fabrication facility supporting the manufacturing of DFB lasers, Semiconductor Optical Amplifiers (SOAs), and Gain Chip (GC) products. This role is responsible for end-to-end photolithography process development and manufacturing support, including full ownership of mask and reticle layout strategy, stepper and coat/develop track processes, and critical dimension (CD) and overlay control.
Process Development Engineer Semtech CorpProcess Development EngineerAlhambra, CA$73,000–$110,000 / yearMinimum Qualifications: • Bachelors degree or higher in Chemical Engineering, Materials Science, Electrical Engineering, Physics, or a related field • Minimum of 3+ years of experience in semiconductor deposition and/or etch process engineering • Hands-on experience with PECVD systems and ICP-RIE/RIE etch tools • Strong hands-on understanding of InP-based or III-V compound semiconductor wafer fabrication processes • Strong understanding of plasma processes, etch chemistries, and thin-film properties • Demonstrated experience with profile control, uniformity improvement, and SPC • Strong data analysis and problem-solving skills • Ability to drive technical ownership in a manufacturing environment • Preferred experience with InP or III-V compound semiconductor devices • Familiarity with DFB lasers, SOAs, gain chips, or photonic device manufacturing preferred • Experience supporting high-mix, low-volume manufacturing environments preferred. Responsibilities: Deposition and Etch Process Development & Ownership (35%): • Develop, qualify, and maintain PECVD dielectric deposition processes for InP-based device structures • Develop and optimize dry etch (ICP-RIE/RIE) and wet etch processes for InP and related material systems • Own PECVD and ICP-RIE/RIE tools, including recipe control, chamber conditioning, and process stability • Define and maintain process windows, control limits, and equipment qualification requirements.
Spacecraft Integration Engineer Impulse Space Propulsion Inc.Spacecraft Integration EngineerRedondo Beach, CA$105,000–$165,000 / yearTo 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. As a Spacecraft Integration Engineer at Impulse, you will own all aspects of the spacecraft build from vehicle assembly through checkouts and launch site integration.
Field Operations Engineer MontroseField Operations EngineerSanta Clarita, CA$90,000–$130,000 / yearAs a key member of the field team, this role will be responsible for a full range of activities including: Leading: the field engineering that supports the oversights, operation and management of our design and systems; a dynamic team of operators and field technicians traveling to the site to support the field engineering and operations efforts; the preparation of the onsite team weekly and daily for the tasks that need to be executed to stay on track with the project schedule; the commissioning and start-up of all new systems, focused on the technical and project specifications; the inspection of equipment delivered to the site, and document issues carefully and thoroughly. 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.
Sr. Process Engineer, Starship Materials Production Space Exploration Technologies CorpSr. Process Engineer, Starship Materials ProductionHawthorne, CA$135,000–$215,000 / yearOwn mixers and blending equipment (high-shear, planetary, dual-asymmetric, ribbon, paddle, vacuum, reactors) including agitation, vacuum/degassing, temperature control, seals, cleanability, and integration with upstream feed and downstream dispense/packaging. Design custom tooling and fixtures that enable automation (dispense/hold tooling, changeover tooling, transfer tooling, alignment jigs, poke-yoke, robot/gantry interfaces); take tooling from CAD through fabrication, tryout, and production release.
Battery Test & Validation Engineer (High Voltage Packs & Modules) Heart AerospaceBattery Test & Validation Engineer (High Voltage Packs & Modules)Los Angeles, California$140,000–$216,000 / yearAt Heart Aerospace we develop the ES-30, a regional hybrid-electric airplane with a capacity of 30 passengers, an electric zero-emission range of 200 km and an extended hybrid range of 400 km. In this role, you will be a key contributor to the development, testing, and optimization of advanced battery cells specifically designed for the demanding requirements of electric aerospace applications.
Lead Municipal Wastewater Treatment Engineer Kennedy/Jenks ConsultantsLead Municipal Wastewater Treatment EngineerIrvine, CA$92,000–$171,000 / yearThis role combines process design leadership, technical quality oversight, team coordination, and client-facing support for complex projects with evolving regulatory and operational needs. Kennedy Jenks is seeking a strategic and collaborative Lead Municipal Wastewater Treatment Engineer based in California to guide wastewater treatment projects for municipal clients.
Design/Drafting Engineer (Entry-Level) Over J ConsultingDesign/Drafting Engineer (Entry-Level)Los Angeles, CaliforniaOver J was founded as a Minority Business Enterprise (MBE) with a vision to enhance diversity and representation in the fields of engineering and utilities and we continue to contribute to this vision with every project, partnership, and new hire we invite to join our growing team. We are headquartered in downtown Los Angeles, CA and are proud partners of some of the largest utilities in the state, including Southern California Gas Company, San Diego Gas & Electric, and Los Angeles Department of Water & Power.
Environmental Health & Safety, Director GKN Aerospace ServicesEnvironmental Health & Safety, DirectorGarden Grove, CA$149,600–$187,001 / yearProtect employees, neighbors, customers, and the business by building prevention-focused systems that control high-consequence risks associated with methyl methacrylate (MMA), monomer/polymer processing, solvent bonding, coatings, cleanroom/optical finishing, glass cutting/grinding, furnaces/autoclaves, pressure systems, and hazardous material storage. Demonstrated working knowledge of California environmental programs including SCAQMD permitting/VOC rules, hazardous waste management under DTSC/Title 22, CERS/HMBP, CUPA inspections, stormwater/wastewater controls, SPCC/AST/UST requirements as applicable, and EPCRA Tier II reporting.
Fluid Systems Engineer General MatterFluid Systems EngineerLos Angeles, California$100,000–$175,000 / yearYou will own systems from early sizing and architecture through detailed mechanical design, testing, and production ramp, working closely with manufacturing, operations, and safety teams. Bachelor’s degree (or higher) in Mechanical Engineering, Aerospace Engineering, Chemical Engineering, Engineering Physics, or a related field.
Application engineer Global Channel ManagementApplication engineerIrvine, CaliforniaApplication engineer needs Bachelor's degree or higher in Chemical Engineering, Chemistry, Material Science, Mechanical Engineering or other related fields is preferred. Knowledgeable in Power Point, Word, Lotus Notes, Excel, Microsoft Project and Statistical Analysis Software is preferred.
Environmental Health and Safety (EHS) Engineer General MatterEnvironmental Health and Safety (EHS) EngineerLos Angeles, CaliforniaYou will play a key role in developing and implementing practical, fit-for-purpose programs to manage chemical, radiological, and industrial hazards while ensuring regulatory compliance and operational excellence. As an EH&S Engineer, you will serve as a subject matter expert in environmental, health, and safety (EH&S) programs supporting the development of advanced enrichment technologies and pilot-scale operations.