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Intern Design Engineer Jobs in Fullerton, CA (NOW HIRING)

ACCO Engineered Systems

Design Engineer

Pasadena, CA · On-site

Design complex layouts for ducting, piping, and control systems using 2D and 3D modeling software ... Prior intern experience with mechanical contractor and/or engineering consultant Desired : * 2-5 ...

ACCO Engineered Systems

Design Engineer

Pasadena, CA

Design complex layouts for ducting, piping, and control systems using 2D and 3D modeling software ... Prior intern experience with mechanical contractor and/or engineering consultant Desired : * 2-5 ...

DCX-CHOL Enterprises, Inc.

Engineering Intern

Los Angeles, CA · On-site

$22 - $25/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

We design, engineer, and produce cable assemblies, wiring harnesses, conduit assemblies, custom ... SCB Division of DCX-CHOL Enterprises is currently seeking an Engineering Intern that has recently ...

IQAir North America, Inc.

Software Engineer Intern

La Mirada, CA

$27 - $30/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Software Engineer Intern For over 60 years, IQAir has been a leader in improving indoor air quality ... Attention to elegant design, performance, user experience, scalability, clean and documented code ...

IQAir North America, Inc.

Software Engineer Intern

La Mirada, CA · On-site

$27 - $30/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Software Engineer Intern For over 60 years, IQAir has been a leader in improving indoor air quality ... Attention to elegant design, performance, user experience, scalability, clean and documented code ...

IQAir North America, Inc.

Software Engineer Intern

La Mirada, CA

$27 - $30/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Software Engineer Intern For over 60 years, IQAir has been a leader in improving indoor air quality ... Attention to elegant design, performance, user experience, scalability, clean and documented code ...

Fuser

Creative Design Intern

Los Angeles, CA · On-site

$21 - $24/hr

Why You're Here As a Creative Design Intern , you'll explore the edge between design, technology ... Fuser is a creative technology company founded by artists, educators, and engineers. We're building ...

Fuser

Creative Design Intern

Los Angeles, CA · On-site

$21 - $24/hr

Why You're Here As a Creative Design Intern , you'll explore the edge between design, technology ... Fuser is a creative technology company founded by artists, educators, and engineers. We're building ...

Fuser

Brand & Motion Design Intern

Los Angeles, CA · On-site

$21 - $24/hr

Why You're Here As a Brand & Motion Design Intern , you'll help define how Fuser looks, moves, and ... Fuser is a creative technology company founded by artists, educators, and engineers. We're building ...

Fuser

Brand & Motion Design Intern

Los Angeles, CA · On-site

$21 - $24/hr

Why You're Here As a Brand & Motion Design Intern , you'll help define how Fuser looks, moves, and ... Fuser is a creative technology company founded by artists, educators, and engineers. We're building ...

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All JobsIntern Design Engineer JobsIntern Design Engineer Jobs in Fullerton, CA

Intern Design Engineer information

See Fullerton, CA salary details

$9

$20

$38

How much do intern design engineer jobs pay per hour?

As of Aug 12, 2026, the average hourly pay for intern design engineer in Fullerton, CA is $20.22, according to ZipRecruiter salary data. Most workers in this role earn between $15.05 and $22.55 per hour, depending on experience, location, and employer.

What types of projects and responsibilities can an intern design engineer expect during their internship?

As an Intern Design Engineer, you will typically assist with drafting technical drawings, supporting product design, and participating in team brainstorming sessions. You may also work on prototyping, testing components, and documenting design changes under the supervision of senior engineers. This hands-on experience helps interns develop practical skills, understand engineering workflows, and learn how to collaborate effectively with cross-functional teams such as manufacturing and quality assurance.

What is the difference between Intern Design Engineer vs Junior Mechanical Engineer?

AspectIntern Design EngineerJunior Mechanical Engineer
QualificationsEnrolled in or recent graduate of engineering programBachelor's degree in Mechanical Engineering or related field
Work EnvironmentInternship setting, learning-focused, supervisedEntry-level professional, responsible for design tasks under supervision
ResponsibilitiesAssisting in design projects, learning industry toolsDeveloping design solutions, preparing technical drawings

Intern Design Engineers are typically students or recent graduates gaining practical experience, while Junior Mechanical Engineers are entry-level professionals with a degree, responsible for more independent design work. Both roles are common in engineering firms, but the internship is more focused on learning, whereas the junior role involves applying skills in real projects.

What does an intern design engineer do?

An Intern Design Engineer supports engineering teams by assisting with the design, development, and testing of products or systems. Their responsibilities typically include creating CAD models, drafting technical drawings, conducting research, and helping with prototype assembly. Interns also collaborate with other engineers to solve design challenges and may be involved in documentation or report writing. This role provides hands-on experience and helps interns build practical skills in engineering design processes.

What are the key skills and qualifications needed to thrive as an intern design engineer, and why are they important?

To thrive as an Intern Design Engineer, a strong grasp of engineering fundamentals, problem-solving abilities, and enrollment in or completion of a relevant engineering degree are typically required. Familiarity with CAD software (such as AutoCAD or SolidWorks), simulation tools, and basic knowledge of industry standards is often expected. Effective communication, teamwork, and a willingness to learn make candidates stand out in this role. These skills ensure interns can contribute meaningfully to design projects, adapt to fast-paced environments, and collaborate with multidisciplinary teams.
What are the most commonly searched types of Design Engineer jobs in Fullerton, CA? The most popular types of Design Engineer jobs in Fullerton, CA are:
What are popular job titles related to Intern Design Engineer jobs in Fullerton, CA? For Intern Design Engineer jobs in Fullerton, CA, the most frequently searched job titles are:
What job categories do people searching Intern Design Engineer jobs in Fullerton, CA look for? The top searched job categories for Intern Design Engineer jobs in Fullerton, CA are:
What cities near Fullerton, CA are hiring for Intern Design Engineer jobs? Cities near Fullerton, CA with the most Intern Design Engineer job openings:
Intern Design Engineer jobs near you
Infographic showing various Intern Design Engineer job openings in Fullerton, CA as of August 2026, with employment types broken down into 1% Internship, 80% Full Time, 13% Part Time, and 6% Contract. Highlights an 84% Physical, 5% Hybrid, and 11% Remote job distribution, with an average salary of $42,049 per year, or $20.2 per hour.

Design Engineer

ACCO Engineered Systems

Pasadena, CA • On-site

Full-time

Re-posted 24 days ago

ACCO Engineered Systems rating

8.1

Company rating: 8.1 out of 10

Based on 21 frontline employees who took The Breakroom Quiz

Job description


Job Summary:
This position is responsible for the delivery of engineering services, from conceptual design through construction completion of HVAC, Plumbing, and other contract services offered by the business.
Essential Duties and Responsibilities:
  • Execute projects from initial construction documents through completion with minimal supervision.

  • Perform engineering calculations, energy analysis, and equipment selection for HVAC and plumbing systems.

  • Design complex layouts for ducting, piping, and control systems using 2D and 3D modeling software.

  • Apply principles of psychrometrics, refrigeration, acoustics, and control sequences to applications engineering.

  • Complete all required energy compliance, LEED documentation, and basic sequences of operation.

  • Manage field engineering tasks including site surveys, trade coordination, and technical problem-solving.

  • Coordinate design and installation efforts across project management, construction, and service departments.

  • Lead small project design meetings and delegate tasks effectively to BIM support teams.

  • Maintain project schedules and task deadlines while aligning with core business drivers.

  • Other duties as assigned.

Position Requirements (Work Experience, Skills, Licenses, etc.):
  • Detailed physical design experience in the development of mechanical general arrangements, piping systems, and supports

  • Proficiency with design software tools in executing 2D and 3D layout models

  • Experience in the review of mechanical equipment, including outlines and coordinating and developing the associated deliverables

  • Ability to work cross-functionally with other teams

  • Experience with LEED requirements

Education and Experience:
Required:
  • Bachelor of Science in Engineering or Construction Management

  • Prior intern experience with mechanical contractor and/or engineering consultant

Desired:
  • 2-5 years of experience with a mechanical contractor and/or engineering consultant

  • EIT Certificate

  • Proficiency in AutoCAD or Revit, or similar drafting software

ACCO Competencies:
  • Proactivity/Initiative: Recognizes what needs to be done and accomplishes it in a manner appropriate for one's level/position and with minimal supervision.

  • Perseverance: Shows wherewithal to fight for difficult goals despite challenges and to bounce back from adversity.

  • Motivation/Dedication: Commits to excellence in pursuing unselfish goals. Initiates action with collective goals, takes responsibility, and shows personal humility.

  • Technical Curiosity/Willingness to Learn: Interest in seeking out new experiences, knowledge, and candid feedback; demonstrating an openness to learning and change.

  • Insight: The ability to gather and make sense of information that suggests new possibilities.

  • Engagement: Shows a knack for using emotion and logic to communicate a persuasive vision and connect with people.

  • People Skills: Is approachable and gains the mutual trust and respect of others. Understands people's strengths & weaknesses and actively seeks to understand other perspectives.

  • Communication: Fosters open, honest, candid and respectful communication. Effectively assesses, defines and communicates issues in a timely manner, both written and verbal.

  • Teamwork: The ability to effectively work toward common goals with others by supporting, encouraging, and sharing information in an authentic and approachable manner.

  • Big Picture: Understands and contributes to the organizations' short- and long-term business strategy. On a personal level has independently developed a vision for short- and long-term career success.

  • Problem-Solver: Ability to identify, analyze, and solve problems in support of personnel, group, department, or organizational objectives.

  • Execution: Effectively takes a vision and translates into action by including the right people. Identify and remove barriers, when possible, to achieve results. Demonstrates appropriate compromise, effective time management, prioritization practices and holds team members (including themselves) accountable for their performance/conduct.

  • Professionalism: Respectfully observes and challenges the status quo with intent for improvement. Can take direction, accept feedback, and take full responsibility for their actions. Lead by example through positive influence and ethical leadership with consideration of the entire organization.

Job Responsibility Level:
No direct reports
Travel Requirements:
Travel required 0-5% of the time to other office locations.
Physical Demands:
(The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.)
  • Must frequently lift and/or move up to 10 pounds and occasionally lift and/or move up to 20 pounds.

  • Specific vision abilities required by this job include close vision and ability to adjust focus.

  • Prolonged sitting.

  • Frequently required to reach with hands and arms.

  • Occasionally required to stand; walk and stoop, kneel, crouch.

Hours:
This is a non-exempt position from Monday through Friday. Work hours are as established by the local manager and generally begin and end between 7:00 am to 8:00 am start and 4:00 pm to 5:00 pm end, with one-hour break for lunch and two rest breaks. Eight hours per day is required and other occasional overtime may be necessary per business needs.
Competitive Wages:
$43 to $58 per hour. Applicants please note that actual compensation is determined by several factors that are unique to each candidate, including but not limited to job-related skills, depth of experience, certifications, relevant education or training, and specific work location, among others. The offered wage or salary is only one aspect of an employee's total compensation.
#ACCO
#LI-AL1
About Us
Why join ACCO? ACCO Engineered Systems is one of the largest mechanical contractors in the country. Since 1934, owners and builders have selected ACCO to design, install, and maintain more than 250,000 mechanical projects. ACCO is dedicated to the design, fabrication, installation, maintenance and service of commercial and industrial HVAC, refrigeration, plumbing, process piping, and building automation systems. Whether your project is a low or high-rise office building, a shopping mall, hospital, semi-conductor fabrication facility or pharmaceutical manufacturing plant...ACCO can design, build, install, and maintain a mechanical system to meet your needs.
Here at ACCO, we are a part of something bigger. Just ask our customers: California Academy of Sciences, L.A. Live, and San Francisco 49ers Stadium. While we have been around for 80+ years, we continue to grow at a dynamic pace. And we are looking for talented individuals to join our team.
What's great about working at ACCO is that we're a big enough company to be the leader in HVAC mechanical contracting in California and the Southwest U.S., but as a 100% employee-owned ESOP, we're a private company with a family-oriented feel. Several of our employees have worked at ACCO for twenty-five, thirty, and even over forty years! Together, the employees of ACCO are comprised of intelligent, dedicated, and entrepreneurial team members who put customers first and enjoy what they do.
ACCO IS AN EQUAL OPPORTUNITY EMPLOYER AA M/F/V/D.
We proudly hire U.S. Military Veterans, and those qualified are encouraged to apply.
Equal Employment Opportunity is The Law.|Pay Transparency Nondiscrimination Provision
ACCO will consider qualified applicants with criminal histories for employment.
Notice to Outside Recruiters:
Hiring managers are not authorized to review or accept recruiting agreements from any outside recruiting agencies. Outside recruiting agencies should not submit unsolicited resumes without signing the company's recruiting agreement.

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