100 Results for

Chemical Engineering Jobs in Orange, CA

Jobs

New!

Tustin, CA3 days ago

$95,000–$128,000 Per Year

4+ years of experience in application engineering and proposal development for custom industrial water and wastewater treatment systems, including aeration, clarification, disinfection, media and membrane filtration (NF, RO, UF), water softening, ion exchange, and systems for raw water, boiler water, cooling water, oily water, process water, produced water, ultrapure water, and wastewater treatment. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

New!

Santa Ana, CAToday

$95,000–$128,000 Per Year

New!

Brea, CA2 days ago

$33–$33 Per Hour

Gather, maintain, format, and analyze technical data including laboratory and material test results . • Create engineering documentation such as reports, flow charts, block diagrams, and schematics .

New!

Pasadena, CA3 days ago

$110,000–$150,000 Per Hour

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We’ve built a reputation for delivering precision-engineered components with minimal rejection rates, ensuring customer satisfaction and on-time delivery in a highly competitive aerospace market.

Wilmington, CA30+ days ago

Past projects/duties include: analyze refinery process flow data and compare to recommended optimum levels, this will help in identifying equipment failures which cause variances in capacity from the optimum levels; update information on gasoline blends and tank samples in preparation for an annual blender waiver audit; develop applications to better present process data for refinery operating decisions. Past projects/duties include: perform process calculations for the Risk Management Plan, including taking physical surveys of refinery process units; work on various process engineering projects within a Wastewater Treatment Plant; participate in inspections and/or testing that is conducted by federal, state, or local officials.

Wilmington, CA30+ days ago

$90,700–$136,100 Per Year

Duties may include the following: analyze refinery process flow data and compare to recommended optimum levels, this will help in identifying equipment failures which cause variances in capacity from the optimum levels; update information on gasoline blends and tank samples in preparation for an annual blender waiver audit; develop applications to better present process data for refinery operating decisions. Duties may include the following: perform process calculations for the Risk Management Plan, including taking physical surveys of refinery process units; work on various process engineering projects within a Wastewater Treatment Plant; participate in inspections and/or testing that is conducted by federal, state, or local officials.

Anaheim, CA19 days ago

$20–$27 Per Hour

We are a customer service-oriented business and strive to meet our customer's needs in a safe and regulatory compliant manner; we need employees to think creatively and be able to be self-motivated to accommodate requests and always be professional under any circumstance(s). Physical Requirements and Work Environment: - Warehouse Portion - This job operates in a warehouse environment and working around containers of chemicals with the potential for fumes or airborne exposure to toxic or caustic chemicals.

Newport Beach, CA30+ days ago

$185,000–$208,000 Per Year

This is a critical leadership position responsible for sustaining process control, improving yield and quality, supporting capacity expansion, leading process development and technology transfers, and executing cost-reduction strategies. We are seeking an experienced Wet Etch Process Engineering Manager to lead and develop a high-performing team within our semiconductor manufacturing facility.

Tustin, California9 days ago

$77,800–$97,300 Per Year

New!

Tustin, California3 days ago

$176,200–$220,300 Per Year

Tustin, CA9 days ago

Temporary

You will perform dimensional, mechanical or visual inspection of sub-assemblies or incoming parts to ensure conformance to blueprints, engineering specifications and customer requirements; collect and maintain results according to procedure; prepare part approval documentation in accordance with company and customer procedure; collect and analyze data in support of short-term projects, support the development of verification, and other instructions with graphics and text. Vertically integrated from R&D to final assembly and testing, we offer a unique combination of electrical, chemical, and mechanical product development for weapons and CBRN systems with CNC machining, injection molding, robotic welding, assembly, design, testing, and engineering capabilities.

Irvine, CA30+ days ago

Full-time

In North America alone, ERM has more than 300 dedicated air quality professionals assisting clients with projects as diverse as developing strategic approaches at the corporate level to upcoming regulatory drivers, to leading complex capital projects through the many hurdles associated with the New Source Review (NSR) permitting program. Advanced expertise in other environmental compliance-related areas for example: air dispersion modeling, stormwater, Spill Preventions, Control, and Countermeasure Plans, waste, water resources, Risk Management Planning, California Environmental Quality Act permitting, multi-media auditing, etc.

Irvine, CA30+ days ago

We provide career opportunities that span a variety of disciplines and geographic locations, with projects that our employees plan, design, build and operate as diverse as the needs of our clients. Students with an Environmental or Civil Engineering background will work with a diverse network of senior engineers to peer interns, and across multi-discipline project teams.

Brea, CA30+ days ago

Contractor

Minimum Requirement: Minimum education requirement is high school diploma, experience in a lab environment (corporate or school) or technician experience in a regulated environment for a minimum of 8 years, experience following written procedures and working collaboratively with a team. and its 75,000 employees have a passion and commitment to help improve patient outcomes, improve the safety and efficiency of clinicians care delivery process, enable laboratory scientists to better diagnose disease and advance researchers capabilities to develop the next generation of diagnostics and therapeutics.

Brea, CA30+ days ago

Contractor

Requirements: Minimum Requirement: Minimum education requirement is high school diploma, experience in a lab environment (corporate or school) or technician experience in a regulated environment for a minimum of 6 years, experience following written procedures and working collaboratively with a team. and its 75,000 employees have a passion and commitment to help improve patient outcomes, improve the safety and efficiency of clinicians care delivery process, enable laboratory scientists to better diagnose disease and advance researchers capabilities to develop the next generation of diagnostics and therapeutics.

Brea, CA30+ days ago

Contractor

Minimum education requirement is high school diploma, experience in a lab environment (corporate or school) or technician experience in a regulated environment for a minimum of 4- 6 years, experience following written procedures and working collaboratively with a team. Bachelor of Science in a technical area and at least 1-2 year of experience in a laboratory/R&D setting following written procedures and working collaboratively with a team.

Brea, CA17 days ago

Requirements: Minimum Requirement: Minimum education requirement is high school diploma, experience in a lab environment (corporate or school) or technician experience in a regulated environment for a minimum of 4-6 years, experience following written procedures and working collaboratively with a team. Client and its 75, 000 employees have a passion and commitment to help improve patient outcomes, improve the safety and efficiency of clinicians’care delivery process, enable laboratory scientists to better diagnose disease and advance researchers’capabilities to develop the next generation of diagnostics and therapeutics.

Long Beach, CA12 days ago

$120,000–$150,000 Per Year

We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world. **ReqID:** J10150956 **Business Line:** Environment **Business Group:** DCS **Strategic Business Unit:** West **Career Area:** Engineering **Work Location Model:** Hybrid **Compensation:** USD 120000 - USD 150000 - yearly

Brea, CA30+ days ago

Requirements: Minimum Requirement: Minimum education requirement is high school diploma, experience in a lab environment (corporate or school) or technician experience in a regulated environment for a minimum of 4- 6 years, experience following written procedures and working collaboratively with a team. Client and its 75,000 employees have a passion and commitment to help improve patient outcomes, improve the safety and efficiency of clinicians' care delivery process, enable laboratory scientists to better diagnose disease and advance researchers' capabilities to develop the next generation of diagnostics and therapeutics.

Brea, CA30+ days ago

Requirements: Minimum Requirement: Minimum education requirement is high school diploma, experience in a lab environment (corporate or school) or technician experience in a regulated environment for a minimum of 6 years, experience following written procedures and working collaboratively with a team. Client and its 75,000 employees have a passion and commitment to help improve patient outcomes, improve the safety and efficiency of clinicians' care delivery process, enable laboratory scientists to better diagnose disease and advance researchers' capabilities to develop the next generation of diagnostics and therapeutics.

Brea, CA30+ days ago

Requirements: Minimum Requirement: Minimum education requirement is high school diploma, experience in a lab environment (corporate or school) or technician experience in a regulated environment for a minimum of 8 years, experience following written procedures and working collaboratively with a team. Client and its 75,000 employees have a passion and commitment to help improve patient outcomes, improve the safety and efficiency of clinicians' care delivery process, enable laboratory scientists to better diagnose disease and advance researchers' capabilities to develop the next generation of diagnostics and therapeutics.

Long Beach, CA30+ days ago

$88,000–$94,500 Per Year

Share this job with a friend (https://careers-kimley-horn.icims.com/jobs/20272/civil-engineering-analyst/job?mode=apply&apply=yes&in_iframe=1&hashed=-1834442239). We take pride in how our employee retention, robust benefits package, and company values have led to Kimley-Horn’s placement on the Fortune “100 Best Companies to Work” list for 18 years!

Long Beach, CA30+ days ago

$28–$31 Per Hour

Interns will learn one or more software programs specific to their disciplines: AutoCAD, Revit, Civil 3D, Excel, Microstation, VISSIM, Open Roads, Synchro and/or GIS. Share this job with a friend (https://careers-kimley-horn.icims.com/jobs/20276/civil-engineering-intern/job?mode=apply&apply=yes&in_iframe=1&hashed=-1834442239).

Irvine, California30+ days ago

Remote

$115,100–$171,900 Per Year
Full-time

Demonstrated extensive knowledge of the PTC Windchill platform, including context management, user management, access control rules (ACL), object types, lifecycle management, report creation, and workflow administration. The company generated 2023 revenues of $3.3 billion and is comprised of three distinct segments: Motion Technologies ($1.5B revenue) is a global leader in brake pads, shock absorbers and sealing solutions for the automotive and rail markets.

Irvine, California8 days ago

$80,000–$180,000 Per Year

Use processes such as physical/chemical primary treatment, conventional activated sludge, biological nutrient removal, fixed-film processes, membrane bio-reactors (MBR), sidestream treatment, tertiary filtration, auxiliary wet-weather treatment, and disinfection. In this role you will lead and support design of wastewater treatment through evaluation of existing processes and facilities; treatment assessments; design of improvements, expansions, and new facilities; permitting; and construction administration.

New!

Lake Forest, California3 days ago

Group Health Programs include Medical, Dental, Vision, Health Savings Account (HSA), Flexible Spending Accounts (FSA), Basic Life/AD&D; Short-Term and Long-Term Disability, and an Employee Assistance Program (EAP). • Lead, identify and manage technical transfers and product roll outs for high visibility products (i.e. shortened timelines, out of stock mitigation, novel introductions, equipment qualification, etc).

Long Beach, California30+ days ago

The process engineer will be expected to perform process engineering duties, including, but not limited to, maintaining/updating/creating P&IDs, process flow diagrams, interlocks, and control schemes; developing process design calculations to support process optimization, process hazard analysis, and capital projects; and supporting process optimization, process hazard analysis, and capital projects. Overview: SNF is a specialty chemical group whose products, water-soluble polymers, contribute to treating, recycling, preserving water, saving energy, and reducing carbon footprint.

Redondo Beach, CA30+ days ago

$110,000–$150,000 Per Year

This position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. You will work hands-on with technicians, manufacturing engineers, and supporting teams to prevent defects before they occur, rapidly diagnose failures, and continuously improve hardware reliability across spacecraft builds.

Carson, CA, CA30+ days ago

$70–$100 Per Hour

The ideal candidate has a strong background in medical device manufacturing, process engineering, and process validation, preferably within GMP, ISO 9001, or ISO 13485 environments. Author and maintain engineering documentation including user requirement specification (URS), drawings, test protocols, change controls, and technical reports.

Irvine, California30 days ago

$96,700–$120,900 Per Year

City of Industry, CA7 days ago

$100,000–$150,000 Per Year

Consolidated Precision Products (CPP) is an industry-leading manufacturer of highly engineered components and sub-assemblies, supplying the commercial aerospace, military and industrial markets with small-to-large “function critical” products. In this role, you’ll help bring complex, high-performance aerospace components from concept to production—working alongside talented teams across engineering, tooling, machining, quality, and operations.

Alhambra, CA30+ days ago

Full-time

HieFo will continue to pursue the most innovative and disruptive high-power, high-efficiency, high-linearity, narrow-linewidth lasers and coherent optical communication solutions to serve the telecom, data center, optical sensing and artificial intelligence sectors. Through our recent acquisition of EMCORE's optical core assets, including the North-American based world-class indium phosphide wafer fab, HieFo Corporation has inherited more than 40 years of EMCORE's innovation in the field of optoelectronic devices.

SANTA ANA, California30+ days ago

$85,000–$120,000 Per Year

Lake Forest, California30+ days ago

$71,000–$80,000 Per Year

Costa Mesa, CA30+ days ago

$54,567.26–$66,560 Per Year

Recognized as a technology leader, Sanmina Corporation provides end-to-end manufacturing solutions, delivering superior quality and support to Original Equipment Manufacturers (OEMs) primarily in the communications networks, defense and aerospace, industrial and semiconductor systems, medical, multimedia, computing and storage, automotive and clean technology sectors. The total rewards package also includes a variety of benefits, including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business and, depending on the role, may include eligibility for restricted stock unit awards and participation in a discretionary bonus program.

Costa Mesa, CA30+ days ago

$54,567.26–$66,560 Per Year

GARDEN GROVE, CA9 days ago

$81,500–$126,500 Per Year

Within 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. With a legacy dating back more than 360 years, Saint-Gobain offers employees the stability and security of a leading Global 500 corporation while operating like multiple small and agile start-ups, where entrepreneurial spirit, pioneering teamwork, and bold, forward-thinking ideas pave new paths.

New!

Rancho Dominguez, CA1 day ago

$60–$100 Per Hour

Irwindale, CA30+ days ago

$95,000–$165,000
Full-time

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.

Tustin, CA30+ days ago

$90,000–$120,000
Full-time

Costa Mesa, California30+ days ago

$120,000–$160,000 Per Year

Capable of 480 VAC designs, detailed conduit routing, P&IDs, load studies, power distribution, lighting and process control, short circuit studies, single line diagrams, elementary diagrams, MCC layouts, electrical specifications, logic diagrams, control schematics, assist in field construction and start-up activities. Carollo’s benefits package includes paid time off and holidays, comprehensive health insurance coverage, pre-tax savings account options for healthcare, dependent care and commuter expenses, disability insurance and life insurance options for you and your dependents.

Santa Ana, CA20 days ago

$24–$26 Per Hour

Communication Skills (Oral/Written) - able to speak clearly and accurately in order to translate essential details of complex process information into clear and concise documents/presentations. Coordinates regular meetings for individuals from different departments pertaining to projects, and schedule project follow up meetings as needed.

New!

Irvine, California3 days ago

$75,000–$150,000 Per Year

The Senior Engineer will be managing project/tasks in the planning, design and construction of water distribution systems, wastewater collection systems, stormwater systems, and pump/lift stations as well as creating construction documents, and specifications. As Linear Design Engineer you will provide technical leadership and support to our team of highly skilled engineers while executing projects simultaneously and utilizing technical knowledge and experience to enhance the team’s overall capabilities.

New!

Costa Mesa, California3 days ago

Remote

At times, job may also include fieldwork including multi-media environmental sampling (air, groundwater, wastewater, soil, soil vapor) and characterization (including emerging contaminants such as PFAS and 1,4-dioxane), sediment sampling, drilling oversight, contractor oversight, landfill/containment investigation support, and remediation system operations, maintenance, and construction. In this role, you will lead and deliver investigation and cleanup projects (including in situ remediation for chlorinated solvents and emerging contaminants such as PFAS), support waste containment and landfill engineering projects, and apply sustainability tools to help clients make defensible, resilient decisions.

Rancho Cucamonga, CA10 days ago

Analyze production data to identify inefficiencies and lead continuous improvement initiatives using Lean, Six Sigma, and root cause problem solving tools. Equipment & TechnologySpecify, validate, and maintain elastomer processing equipment, including mixers, extruders, molding presses, curing ovens, and inspection tools.

North Hollywood, CA27 days ago

Implement safety programs and practices for the evaluation and control of potential hazards including, but not limited to, industrial hygiene concerns, fall protection, confined space, lock out/tag out, process safety management, hazard assessments, hearing conservation and noise hazards, heat stress, chemical hazards, and environmental management in support of program operations. As part of a hardworking team of safety and technical professionals, you will provide subject matter expertise to engineering, production, and test resources related to program safety, occupational safety, process safety, and environmental compliance implementation.

City of Industry, CA7 days ago

$100,000–$150,000 Per Year

Long Beach, California30+ days ago

$125,000–$165,000 Per Year

SCS Energy’s biogas-to-energy facilities currently operating, or currently under design or construction, will remove more than 2,000,000 metric tons/year of carbon dioxide equivalent (CO2e) in greenhouse gas emissions from the atmosphere. SCS is building a world where environmental systems and infrastructure strengthen the health, safety and resilience of communities — from reducing methane emissions at landfills to producing alternative energy, from repurposing contaminated properties to sequestering carbon.

Bloomington, CA30+ days ago

Full-time

Minimum requirements: Education: • High School Diploma or equivalent required-Technical training and/or College a plus Experience / specific Knowledge: • Basic office and/or administrative experience including handling phones, completing paperwork and typing. Supervisory responsibility: • None Preferred education, experience, certifications, competencies, skills, and abilities: Above the minimum requirement; not required but advantageous in this position: • Pipeline hydraulics experience desired • Prior experience requiring mechanical aptitude and skill is a plus.

Irvine, CA30+ days ago

$27.88–$41.75 Per Hour

The worker is required to have close visual acuity with or without corrective lenses for extensive reading; visual inspection involving small defects, small parts, and/or operation of machines (including inspection); using measurement devices; and/or assembly or fabrication parts at distances close to the eyes. - The work environment may include a variety of physical conditions such as proximity to moving mechanical parts, electrical current, working on scaffolding and high places, exposure to chemicals, ultraviolet light and lasers, working in enclosed spaces, close quarters, narrow aisles or passageways.

Resume Resources

Free Resume Templates Free Resume Builder

Get noticed by top employers!

Upload your resume to let employers know you're open to Chemical Engineering job opportunities. Plus, receive relevant job recommendations in your inbox.

Chemical Engineering Jobs in Orange, CA

Jobs

Manufacturing Applications Engineer – Water & Wastewater Industrial EquipmentJobot

Applications Engineer – OEM EquipmentJobot

Mechanical Engineering Technician II in Brea, CA {169357}A-Line Staffing Solutions LLC

Quality EngineerJobot

Refining Chemical Engineering Intern/Co-op Summer 2026Marathon Petroleum Corporation

Refining Engineer 1 - Chemical Engineer - Intern to Full-Time ConversionMarathon Petroleum Corporation

Chemical BlenderKORE1 Technologies

Processing Engineering ManagerProsum

Electrical Engineering Failure Analysis EngineerRivian

Sr. Manager, Battery Cell EngineeringRivian

Quality Engineering InternDesign West Technologies, Inc.

Principal Consultant, Air Quality - Engineering / ScientistEnvironmental Resources Management, Inc.

Environmental Engineering Intern (Summer 2026!)CDM Smith

Tech 3, Mechanical EngineeringApidel Technologies

Tech 1, Mechanical EngineeringApidel Technologies

Tech 2, Mechanical EngineeringApidel Technologies

Mechanical Engineering Tech 2Lancesoft

Environmental Engineering Supervisor - LeaderAECOM

Tech 2, Mechanical EngineeringTechDigital Corporation

Tech 1, Mechanical EngineeringTechDigital Corporation

Tech 3, Mechanical EngineeringTechDigital Corporation

Civil Engineering AnalystKimley-Horn

Civil Engineering InternKimley-Horn

Engineering Applications Analyst (Windchill)ITT Inc. - English US

Wastewater Treatment Process EngineerGFT.

Sr. Process EngineerHerbalife

Process EngineerSNF Holding Company

Build Reliability Engineer (Composites)Impulse Space

Senior Process Engineer (Contract - 12 Months)Connexion Systems + Engineering

Corrosion EngineerRivian

Product Engineer - Manufacturing / AerospaceConsolidated Precision Products

Process Engineer, MOCVDHiefo Corporation

Application Engineer IINikkiso Cryogenic Industries

Process EngineerApplied Medical

Manufacturing Engineer - (102563)Sanmina

Manufacturing Engineer - (102564)Sanmina

Solution Engineer - Applications II, Manufacturing - Omniseal SolutionSaint-Gobain

Sr. Process EngineerConnexion

Materials EngineerJobot

Applications Engineer - Industrial WaterJobot

Mid Level Instrumentation and Controls EngineerCarollo Engineers Inc.

Jr. Process Engineer (Harbor 2 - Corp Office)Robinson Pharma

Linear (Pipeline) Design EngineerGFT.

Experienced Environmental / Geoenvironmental / Remediation EngineerGeosyntec Consultants, Inc.

Manufacturing EngineerIconma

Sr. Safety EngineerJohnson Service Group

Product Engineer - Manufacturing / Aerospace (City of Industry, CA)Consolidated Precision Products

Renewable Energy Project ManagerSCS Engineers

Operator 12 Entry - Colton NorthKinder Morgan, Inc.

Field Service Engineer I - SemiconductorCanon USA & Affiliates

Resume Resources