60 Results for

Intern Jobs in Fairfield, CA

Jobs

Concord, CA30+ days ago

$25–$34.11 Per Hour

This internship provides hands-on experience working alongside licensed engineers and project teams on real-world projects while developing technical, analytical, and professional skills. Compensation depends on several factors including: experience, education, key skills, geographic location of the position, client requirements, external market competitiveness, and internal equity among other employees within APTIM.

Sacramento, 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.

Sacramento, CA30+ days ago

$27–$30 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/20220/civil-engineering-intern/job?mode=apply&apply=yes&in_iframe=1&hashed=-1834442239).

Concord, CA30+ days ago

Our Electrical services include: Electrical System Master Planning & Studies Power System Design, Protection & Generation, Power System Analysis, Facility System Design, Sustainability/Renewable Energy In this role you would perform a variety of tasks including: Developing drawings for electrical systems (power, controls, communications, fire alarm, and security) using CADD. 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.

Sacramento, California7 days ago

This role will work within a collaborative remote team, partnering with data engineers, analysts, and architects to assist in building reliable data workflows and integrations on an agile cycle while gaining hands-on experience in cloud-based data engineering and supporting Stride's mission to empower online education for students across the United States. Coursework or project experience involving data pipelines, APIs, or cloud-based data tools; Familiarity with version control systems such as Git; Exposure to data warehousing concepts (e.g., Snowflake, Redshift, BigQuery); Interest in education technology and data-driven solutions.

Martinez, 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.

Hercules, California30+ days ago

The intern will work closely with cross-functional stakeholders and gain experience in data analysis, business problem-solving, executive communication, and project delivery within a dynamic, collaborative environment. Actual compensation will be provided in writing at the time of offer, if applicable, and is based on several factors we believe fairly and accurately impact compensation, including geographic location, experience, knowledge, skills, abilities, and other job permitted factors.

Berkeley, CA25 days ago

We are seeking a Manufacturing Engineering Intern for the summer to support key engineering initiatives while gaining hands-on experience in a fast-paced manufacturing environment. Mayville Engineering Company (MEC) is a leading provider of custom metal fabrication solutions, partnering with top OEMs to deliver innovative, high-quality products.

Davis, CA30+ days ago

An electrical engineering intern on the power electronics team at Elve will have the opportunity to contribute to the mission of bringing high-speed internet to the next billion people globally who currently have slow to no connectivity. That kind of impact is not going to be achieved with incremental improvements - we are gunning for orders of magnitude advances in production capability, cost, size, and power in the mm-wave RF amplifier market.

Sacramento, California30+ days ago

$31–$32 Per Hour

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 19 years! Overview: Kimley-Horn is looking for Electrical Engineering students to join our Sacramento, California (CA) office's Renewable Energy team!

Rodeo, CA30+ days ago

$2,894–$3,308 Per Week

The Rodeo Renewable Energy Complex is a state-of-the-art facility processing renewable feedstocks (waste oils, fats, greases, and vegetable oils) to produce vital transportation fuels, including renewable diesel and sustainable aviation fuels for California, Oregon, Washington, and British Columbia. Through its refining business segment, Phillips 66 is upgrading crude oil and other feedstocks into higher-value petroleum products including clean-burning gasoline, ultra-low-sulfur diesel, jet fuel, lubricants, petroleum coke and other specialty products while maintaining a high regard for safety and environmental limitations.

Martinez, CA13 days ago

$24–$28 Per Hour

Incorporating industry-leading preconstruction services and safety practices, the Company’s multi-disciplined team of engineering and construction professionals delivers a wide range of projects, including new facilities, infrastructure improvement and expansion, and capital construction services. MWH Constructors, a global leader in heavy civil construction of water and wastewater facilities, is currently seeking a construction-focused field engineer intern to join our CMS Project based out of Martinez, CA.

Martinez, CA30+ days ago

Typical college co-op assignments include the following: troubleshooting system power supply problems, control system programming, hardware and software lifecycle replacement projects, installing and troubleshooting communication networks and monitoring control system performance metrics. The majority of Electrical Engineering co-ops and interns enter into the following positions: Electrical & Instrumentation (E&I) Project Engineers work on a variety of real-world electrical and instrumentation projects in a refinery setting.

Martinez, CA30+ days ago

With the potential to have multiple sessions and opportunities, you will gain valuable real-world experience while enhancing your skill set in the following position: As an MPC VCO intern you will play a role in optimizing business processes through data-driven insights and algorithmic solutions. MPC also owns the general partner and majority limited partner interest in MPLX LP, a midstream company that owns and operates gathering, processing, and fractionation assets, as well as crude oil and light product transportation and logistics infrastructure.

Concord, CA30+ days ago

Full-time

Please be advised that housing or relocation assistance is not provided for intern positions within our San Diego, Santa Ana, Los Angeles, New York or Hawai'i divisions. MINIMUM SKILLS OR EXPERIENCE REQUIREMENT: • Engineering, Construction Management, or Architectural degree completed or in progress, or equivalent experience.

Davis, CA30+ days ago

$25–$30

meaningful work, shape real programs, and leave with portfolio-ready projects that make a visible impact on our employees, our operations, and our future. You’ll split your time between field work (50%) and program development/writing (50%), supporting manufacturing, R&D, and Facilities teams across our Woodland and Davis locations.

Sacramento, California17 days ago

Remote

Develop forecast by day of spend and inquiry volume at the channel level Create series of daily, weekly, and monthly reports for paid media team using inputs from various data sources, including Adobe, Google, Bing, Meta, and more. SUMMARY: Stride, Inc. is seeking an up and coming marketing professional to support the director of Media Ops & Analytics and the paid media team in driving significant revenue growth across our lines of business, including Career Learning and General Education.

Hercules, California30+ days ago

Kaizen preparation: Baseline Data collection and analysis, understanding MRP (impact of planning/buying, impact of key master data (safety stock, lead time, lot size, etc), and how these factors impact inventory dollars, inventory turns and product expiry. Work Experience: Previous summer internships or work experience in laboratories, manufacturing environments working with electromechanical, chemical and/or mechanical devices.

Hercules, California15 days ago

This internship is a great fit for students who enjoy working with quality documents such as SOPs, Policies, architectural drawings, staying organized, and learning how real-world projects are documented, archived, and managed in a professional environment. You’ll gain hands-on experience working with global policies and procedures, architectural drawings, digital file systems, and record documentation, while contributing to a meaningful project that will live beyond the internship and can be included in your academic or professional portfolio.

Sacramento, CA18 days ago

At Royal Electric Company we provide expert electrical design, construction, and service with builders, contractors and facility owners who value relationships, trust, expertise, and a commitment to each other towards achieving exceptional results. Individuals seeking employment at Royal are considered without regards to age, ancestry, color, race, gender (including pregnancy, childbirth, or related medical conditions), gender identity or expression, sexual orientation, genetic information, marital status, medical condition, mental or physical disability, national origin, protected family care or medical leave status, religion, military or veteran status, or any other characteristic protected by federal, state, or local laws.

Hercules, California30+ days ago

Build Analytical Dashboards: Collaborate with IT, Global Supply Chain (GSC) Analytics, and stakeholders to develop a visualization tool that identifies vendor-to-product mapping and material commonality. Actual compensation will be provided in writing at the time of offer, if applicable, and is based on several factors we believe fairly and accurately impact compensation, including geographic location, experience, knowledge, skills, abilities, and other job permitted factors.

Martinez, 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.

Sacramento, CA30+ days ago

$19.62–$38.32 Per Hour

Finally, you will run processes related to information security risk management, conduct technical assessments across end user services, and define, document, maintain, and communicate security services for customer facing services provided by CSS. Oracle maintains broad salary ranges for its roles in order to account for variations in knowledge, skills, experience, market conditions and locations, as well as reflect Oracle’s differing products, industries and lines of business.

Davis, California26 days ago

$18–$22 Per Hour
Intern

Qualifications: Currently enrolled as a junior or senior in an accredited college program pursuing a Bachelor’s degree in Environmental Science, Ecology, Biology, Chemistry, Environmental Toxicology, Civil/Environmental Engineering, or related discipline. It is an opportunity to be part of a diverse and engaged community of professionals, to be treated as a respected and valued member of a motivated team and to be empowered to do exceptional work that advances the best interest of everyone involved.

New!

Sacramento, California5 days ago

$19–$20 Per Hour

While performing the duties of this job, the employee is regularly required to: While performing the duties of this job, the employee is regularly required to use hands to finger, handle, feel or operate objects, tools, or controls and reach with hands and arms. With operations across the Western U.S., we’ve led the industry in reducing environmental impact while delivering unmatched pavement solutions in a variety of settings.

Walnut Creek, CA30+ days ago

We are seeking motivated and enthusiastic individuals who are eager to learn and dedicated to helping our team in providing exceptional services to children diagnosed with autism who are receiving ABA intervention at our beautiful learning center. Learning and Development: Take advantage of countless learning opportunities throughout the internship period and and gain valuable skills and knowledge about developmental learning challenges, treatment assessment and intervention, practice management, health care, and administrative functions.

Vallejo, California30+ days ago

$17–$20 Per Hour

3 months previous experience in animal care and training and/or completed college level courses in a related science preferred. Interns are responsible for the general care and maintenance of all marine mammals in assigned areas.

Sacramento, CA30+ days ago

$24–$30.31 Per Hour

The intern will also actively participate in clinical and administrative functions under the direct supervision of a licensed pharmacist to augment their education and to gain insight and practical experience in their future roles as pharmacists. The pharmacy intern has responsibility for assisting with controlled substances management, meeting DEA, FDA, and state regulations, and has access to and manages medication storage areas using pharmacy automation.

Sacramento, CA30+ days ago

$26–$29 Per Hour

This role will consist of preparing technical analyses in the fields of Air Quality, Energy, Noise, or Greenhouse Gas/Climate Change, utilizing state-of-the-art models, current scientific datasets, recognized guidelines and policies, and other relevant tools to solve some of the most pressing environmental needs of the day. The ideal candidate has had exposure to environmental laws and regulations including California Environmental Quality Act (CEQA), National Environmental Protection Act (NEPA), and/or the Clean Air Act, and a passion for applying sound scientific research and judgment to guide our clients through the environmental clearance and permitting process.

Sacramento, CA30+ days ago

$26–$29 Per Hour

Share this job with a friend (https://careers-kimley-horn.icims.com/jobs/20283/transportation-planning-intern/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!

Vallejo, California30+ days ago

Perform housekeeping duties, including guest areas of Shark Experience and Sting Ray Bay. Must possess the mental and physical capacities necessary to perform primary responsibilities and pass an annual physical exam and stress test.

Napa, CA30+ days ago

Temporary

As a Camp Counselor, you will be an active participant in all camp activities and will assist your Camp Director with a variety of daily tasks, all with the goal of creating a memorable and meaningful camp experience for your campers. We partner with over 230 private clubs all over the country to implement traditional-style day camps for elementary-aged children.

Sacramento, California18 days ago

Supports creating graphics and videos for Social Media Channels, submitting ideas for marketing toolkits, YouTube Content Creation and Strategy, and Webinar planning. Additionally, it would be a plus if candidates have experience with interviewing individuals, writing blog posts with SEO best practices in mind, and publishing content on WordPress websites.

Sacramento, California17 days ago

Tallo is a career discovery and talent connection platform that helps nearly 2 million users-mostly students and early-career talent-explore what they're capable of. Mentorship- You'll be paired with a mentor, a manager, and have weekly team andone-on-onemeetings with our early talent development leader toprovidea robust support system.

Walnut Creek, CA19 days ago

Full-time

KEY RESPONSIBILITIESIn-Bound Call & Queue Management (You will learn how to) • Answer in-bound phone calls and document the calls in the ticket management system • Continual monitoring of the Service Desk queue in the ticket management system for new tickets created via email • Review categorize and prioritize calls using established processes • Gather additional information when necessary to allow for the efficient resolution of issue by Tier 2 and administrative resources • Route calls to other teams when necessary Tier 1 Technical Support • Follow established processes to resolve technical issues and service request including but not limited to: Password rests and account unlocks. IDEAL CANDIDATE ATTRIBUTES• Basic analytical and problem-solving skills • Demonstrated ability to effectively communicate by phone • Demonstrated writing ability • Basic organizational and time management skills • Customer service skills • Diplomacy in dealing with conflict resolution • PC hardware & software and mobile device proficiency (Windows 10.

Sacramento, CA30+ days ago

We’ll give you the chance to develop the skills you need to manage a fleet of vehicles, take care of customers, develop marketing strategies and build relationships with customers and coworkers. When you join our Management Internship Program, you'll soon discover that every day is different because it is filled with new, exciting, rewarding and often unexpected opportunities.

Martinez, CA30+ days ago

$90,700–$136,100 Per Year

Area Refining Engineer/Project Engineer: Refining/Project engineers are involved in the technical development and project management of all types of refinery projects, organizing and coordinating projects within a multi-discipline team from conception through construction and startup. MPC also owns the general partner and majority limited partner interest in MPLX LP, a midstream company that owns and operates gathering, processing, and fractionation assets, as well as crude oil and light product transportation and logistics infrastructure.

Sacramento, CA30+ days ago

Full-time

Note: Jobs with the Safety-Sensitive designation are those that include tasks or duties that the employer reasonably believes could affect the safety and health of the employee performing the task or others such as operating a vehicle, operating equipment, operating machinery or power tools, repairing/maintaining the operation of any vehicle/equipment, the handling/disposal/transport of hazardous materials, or the handling/treatment/disposal of potentially flammable/combustible materials. Ability to wear personal protective equipment is required (including but not limited to; steel toed shoes, gloves, safety glasses, hearing protection, hardhat, vest, etc.).

Sacramento, California19 days ago

SUMMARY: As the Visual Storyteller & Community Marketing Intern, you'll sit at the intersection of design and community - creating visual assets, capturing student stories, and showing up as a genuine presence in Tallo's community spaces so our marketing team can focus on building the programs that make those moments possible. Turncommunity moments into visual stories-Spot compelling student stories and career milestones, then design them into shareable assets: winner spotlights, quote graphics, campaign visuals, and social-ready content.

Sacramento, California14 days ago

Remote

COMPENSATION & BENEFITS: Stride, Inc. considers a person's education, experience, and qualifications, as well as the position's work location, expected quality and quantity of work, required travel (if any), external market and internal value when determining a new employee's salary level. SUMMARY: Stride, Inc. is seeking digital marketing professional to help drive significant revenue growth across our lines of business including General Education and Private Education.

New!

Sacramento, California4 days ago

Remote

This position is remote and open to residents of the 50 states, D.C. COMPENSATION & BENEFITS: Stride, Inc. considers a person's education, experience, and qualifications, as well as the position's work location, expected quality and quantity of work, required travel (if any), external market and internal value when determining a new employee's salary level. Essential functions may vary from administrative, clerical and support level work to more hands-on tactical work as determined by team needs.

Hercules, California30+ days ago

Key Responsibilities: Partner with HR leaders and subject-matter experts to understand current workflows, pain points, and success measures (e.g., Talent Acquisition, HR Operations, HR Technology/HRIS, Learning, Analytics, Compliance). Research and benchmark AI use cases relevant to HR (e.g., knowledge assistants for policies, workflow nudges, recruiting/onboarding automation, survey insights, HR analytics) and summarize findings in clear, non-technical language.

Sacramento, CA30+ days ago

This internship provides an excellent opportunity to gain hands-on experience in various aspects of digital marketing while working closely with a team of experienced professionals. As Digital Marketing Intern, you will assist in executing digital marketing strategies, conducting research, and supporting data analytics activities.

Sacramento, CA30+ days ago

If you require a reasonable accommodation in completing this application, interviewing, completing any pre-employment testing, or otherwise participating in the employment selection process, please direct your inquiries to application.accommodations@cai.io or (888) 824 – 8111. As Contract Coordinator Intern, you will work closely with our Contracts Department to assist in managing and organizing contract documentation, ensuring compliance, and supporting contract negotiations.

Sacramento, CA30+ days ago

We are looking for a  Business Analyst Intern  to be responsible for working with the project leaders to support the gathering, analyzing and recommending business requirements for functional and non-functional-projects. As a Business Analyst Intern, you will be responsible for working with the project leaders to support the gathering, analyzing and recommending business requirements for functional and non-functional-projects.

Sacramento, CA30+ days ago

As the Software Developer Intern, you will develop, create, and modify general computer applications software or specialized utility programs of low complexity. If you require a reasonable accommodation in completing this application, interviewing, completing any pre-employment testing, or otherwise participating in the employment selection process, please direct your inquiries to application.accommodations@cai.io or (888) 824 – 8111.

Emeryville, CA29 days ago

You’ll play a hands-on role in translating complex datasets into actionable insights, helping us grow our e-commerce and retail presence while staying true to our science-first roots. Born from a desire to make the world a better place, we use innovative biotechnology to create skincare that is incredibly effective and sustainable without harming the environment or animals.

Emeryville, CA30+ days ago

As a Global Technology Technical Director (GT TD) you will work closely with other TDs to write software that improves workflow and provides film-specific functionality for other departments, including lighting and animation. + Career Transition: Those with a minimum of 5 years post-college graduation and whose professional experiences in a work/academic environment differ vastly from animation, VFX, gaming, and other computer graphics-focused industries.

Sausalito, CA30+ days ago

Proven track record of achieving results as demonstrated in accepted papers at top animation, graphics, interaction and perception related journals and conferences such as SIGGRAPH, SCA, SAP, CHI, IEEE VR, ICRA, IROS, Eurographics, MIG, IVA, ICMI or related conference. Experiences in at least one of the following areas: human motion synthesis, editing, and retargeting, reinforcement learning, physics simulator developing in game engines and/or 3D software such as Unity, Unreal, Maya, Blender, conducting perception studies or user studies, or building VR applications.

Sausalito, CA30+ days ago

Research Topics:* Physics-based simulation for body, cloth and hair* Physics-based simulation for robotics and interactions with deformable objects* Deformable object modeling, volumetric representation* Non-rigid registration* Differentiable simulation* Applied machine learning. Investigate, design and develop novel algorithms in areas such as full body, cloth and hair modeling, simulation and animation, surface and volumetric reconstructions, for avatars, digital humans, virtual try-on applications and robotics applications for soft-body interactions.

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Intern Jobs in Fairfield, CA

Jobs

Civil Engineering InternAPTIM

Environmental Engineering Intern (Summer 2026!)CDM Smith

Civil Engineering InternKimley-Horn

Electrical Engineering Intern (Summer 2026!)CDM Smith

Data Engineering InternStride, Inc.

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

Graduate Student Finance InternBio-Rad Laboratories, Inc.

Manufacturing Engineering InternCenter Mfg

Power Electronics Intern - Summer 2026Elve Inc

Electrical Engineering Intern - Renewable EnergyKimley-Horn

2026 University Intern - Rodeo Refining EngineerPhillips 66

Field Engineer InternMWH

Intern/Co-op - Refining Electrical Engineering - Spring 2026Marathon Petroleum Corporation

Intern/Co-op - Value Chain Organization (VCO) (Summer 2026)Marathon Petroleum Corporation

Project Engineer InternSwinerton Builders

Occupational EHS InternTerabase Energy

Media Ops & Analytics InternStride, Inc.

Lean/Continuous Improvement InternBio-Rad Laboratories, Inc.

Document Control Specialist InternBio-Rad Laboratories, Inc.

Manufacturing Engineer Intern - Summer 2026Royal Electric

Procurement InternBio-Rad Laboratories, Inc.

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

Undergrad Security Analyst Intern - Customer Success ServicesOracle

Environmental & Water InternBowman Consulting Group, Ltd.

InternPavement Recycling Systems, Inc

2026 Summer Intern (Non-Paid)FirstSteps for Kids, Inc.

SFDK Marine Mammal Intern $17-$20/HRSix Flags Entertainment Corporation

Pharmacy InternDignity Health

Environmental Planning InternKimley-Horn

Transportation Planning InternKimley-Horn

SFDK Aquarist Intern $19.00/HRSix Flags Entertainment Corporation

Summer Day Camp Counselor-InternKE Camps

Marketing InternStride, Inc.

Content Creator InternStride, Inc.

Service Desk InternCentral Garden & Pet

Management Trainee Summer InternEnterprise Holdings

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

Building Group Intern - EngineerSundt Construction, Inc.

Visual Storyteller & Community Marketing InternStride, Inc.

Paid Media InternStride, Inc.

Human Resources Summer InternStride, Inc.

AI Implementation Planning InternBio-Rad Laboratories, Inc.

Digital Marketing InternCAI

Contract Coordinator InternCAI

Business Analyst InternCAI

Software Developer InternCAI

Data Analyst InternBiossance

Technical Director Intern, Global Technology – Summer 2026The Walt Disney Company

Research Scientist Intern, Character Animation and Evaluation (PhD)Meta

Research Scientist Intern, Physics-based Simulation for Avatars and Robotics PhDMeta

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