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Assistant Engineer Jobs in Rancho Cucamonga, CA (NOW HIRING)

... Assist engineers and customers with material selection, processing techniques, and troubleshooting • Participate in field trials and new product introductions • Build relationships with key ...

... layer security testing, and assist developers with vulnerability remediation. We value ... collaboration, pragmatic security, and continuous improvement. We welcome you to join Esri, where ...

FAA Compliance Engineer (Quality Systems)| Azusa, CA | Full-Time About the role: The Quality ... Support process owners with process effectiveness and compliance. * Assist with KPI development and ...

FAA Compliance Engineer (Quality Systems)| Azusa, CA | Full-Time About the role: The Quality ... Support process owners with process effectiveness and compliance. * Assist with KPI development and ...

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Showing results 1-20

Assistant Engineer information

See Rancho Cucamonga, CA salary details

$33.7K

$90.7K

$137.4K

How much do assistant engineer jobs pay per year?

As of Jul 26, 2026, the average yearly pay for assistant engineer in Rancho Cucamonga, CA is $90,699.00, according to ZipRecruiter salary data. Most workers in this role earn between $72,000.00 and $106,800.00 per year, depending on experience, location, and employer.

What engineering jobs pay $500,000?

Senior engineering roles such as petroleum engineers, aerospace engineers, and engineering managers can reach or exceed $500,000 annually, especially with experience, bonuses, and stock options. High-paying positions often require advanced degrees, specialized skills, and leadership responsibilities in industries like oil and gas, aerospace, or technology.

What are the key skills and qualifications needed to thrive as an Assistant Engineer, and why are they important?

To thrive as an Assistant Engineer, you need a solid grounding in engineering principles, analytical thinking, and a relevant bachelor's degree in engineering or a related field. Familiarity with technical tools such as CAD software, project management systems, and industry-specific standards or certifications (like EIT or FE) is often required. Strong problem-solving skills, teamwork, and effective communication help you collaborate on complex projects and interact with stakeholders. These skills and qualifications are essential for delivering accurate technical support, ensuring project efficiency, and contributing to successful engineering outcomes.

How does an Assistant Engineer typically collaborate with senior engineers and other team members on projects?

Assistant Engineers work closely with senior engineers, designers, and other technical staff by supporting project planning, conducting site visits, and preparing technical documentation. They often assist in problem-solving sessions and help implement design solutions under supervision. Regular communication and teamwork are essential, as Assistant Engineers frequently coordinate tasks, share updates, and seek feedback to ensure project objectives are met efficiently. This collaborative environment provides valuable learning opportunities and helps build a strong foundation for career advancement.

What Is an Assistant Engineer?

An assistant engineer works alongside a senior engineer throughout a project. The job is often used to gain work experience by recent college graduates at the beginning of their career. Your duties vary, depending on the type of engineering and industry you work in, but may include managing equipment, performing inspections, reviewing blueprints, and coordinating among departments. Typical qualifications for an assistant engineer position include at least an associate or bachelor’s degree in an engineering field, strong communication skills, and the ability to carefully follow directions.

What does an assistant engineer do?

An assistant engineer supports senior engineers by performing technical tasks such as designing, testing, and maintaining systems or equipment. They often handle documentation, data analysis, and troubleshooting, and typically need relevant technical skills and certifications to perform their duties effectively.

What engineers make $200,000 a year?

Senior engineers in fields such as petroleum, software, aerospace, and data engineering often earn $200,000 or more annually, especially with extensive experience, specialized skills, and advanced certifications. High-paying roles typically require leadership responsibilities, advanced technical expertise, and work in high-demand industries or companies.

How much is the salary of an assistant engineer?

The salary of an assistant engineer typically ranges from $50,000 to $70,000 annually, depending on experience, location, and industry. Entry-level positions may start lower, while experienced assistants or those with specialized skills can earn higher wages.

What is the difference between Assistant Engineer vs Junior Engineer?

AspectAssistant EngineerJunior Engineer
Required CredentialsBachelor's degree in engineering or related field, often with some certificationsBachelor's degree in engineering, entry-level certification may be preferred
Work EnvironmentSupports senior engineers, involved in project planning and executionPerforms basic engineering tasks, supervised by senior staff
Employer & Industry UsageCommon in construction, manufacturing, civil, and mechanical sectorsUsed interchangeably in similar industries, often as entry-level role

Assistant Engineers typically have more responsibilities in supporting project management and planning, while Junior Engineers focus on executing specific technical tasks under supervision. Both roles require similar educational backgrounds, but Assistant Engineers often have additional certifications or experience. The roles are used across various engineering sectors and serve as stepping stones for career advancement.

What are Assistant Engineers?

Assistant Engineers are entry-level professionals who support senior engineers in the planning, design, development, and maintenance of projects across various engineering fields such as civil, mechanical, electrical, or software. Their responsibilities often include assisting with technical tasks, preparing reports, conducting research, and ensuring compliance with project specifications and safety standards. Assistant Engineers gain practical experience and skills under the supervision of more experienced engineers, which helps them advance in their engineering careers.
What are the most commonly searched types of Engineer jobs in Rancho Cucamonga, CA? The most popular types of Engineer jobs in Rancho Cucamonga, CA are:
What are popular job titles related to Assistant Engineer jobs in Rancho Cucamonga, CA? For Assistant Engineer jobs in Rancho Cucamonga, CA, the most frequently searched job titles are:
What cities near Rancho Cucamonga, CA are hiring for Assistant Engineer jobs? Cities near Rancho Cucamonga, CA with the most Assistant Engineer job openings:
Infographic showing various Assistant Engineer job openings in Rancho Cucamonga, CA as of July 2026, with employment types broken down into 1% As Needed, 76% Full Time, 20% Part Time, 1% Temporary, and 2% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $90,699 per year, or $43.6 per hour.
Assistant Engineer I

$49.76 - $65.51/hr

Full-time

Medical, Dental, Vision, Life, Retirement

Posted 3 days ago


Job description

At the Metropolitan Water District of Southern California, we deliver reliable water to a region with 19 million people-and to accomplish this, we rely on a team of talented employees: innovators, problem-solvers, and collaborators who make it all possible.
There is currently one opening for the Assistant Engineer I position located at Metropolitan's Weymouth water treatment facility in La Verne, California.
This recruitment may result in an eligibility list.
Job Summary
There is one position as an Assistant Engineer I, with an emphasis in the electrical field, for the Construction Management Unit. As an Assistant Engineer I, you will be responsible for learning and assisting with construction inspection and testing and on-site contract administration on heavy public works construction contracts. The successful candidate will learn and assist in assuring that constructed work and furnished materials meet specified standards. This position involves coordination with Metropolitan's design engineers, project managers, construction managers, operations personnel, technical specialists and other agencies in an exciting, challenging environment with broad opportunities for career advancement.
What You'll Do
  • Learns and assists with construction inspections to verify compliance with contract requirements, plans, specifications, and applicable standards.
  • Learns and assists with contract correspondence, including reviewing and responding to contractor submittals and Requests for Information (RFIs), and other project documentation.
  • Learns and assists with reviewing contractor work plans, procedures, schedules, and payment requests and developing independent cost estimates.
  • Learns and assists in investigating construction deficiencies and documenting findings to support corrective actions.
  • Document construction activities, maintain project records, and prepare technical reports.
  • Collaborate with engineers, contractors, consultants, and project stakeholders to support successful project delivery.

This job announcement has been designed to indicate the general nature and level of work being performed by employees in this classification / job.
To view the full job description click here: Assistant Engineer I
Schedule: 5/8: Monday through Friday, 8 hours per day.
EMPLOYMENT STANDARDS MINIMUM QUALIFICATIONS
Education and Experience: Bachelor's degree from an accredited college or university in a related field by hire date.
CERTIFICATIONS, LICENSES, AND REGISTRATION REQUIREMENTS
License(s): Valid California Class C Driver's License or equivalent (required at time of application) that allows you to drive during your employment.
Benefits:
• Competitive compensation
• Excellent medical, dental, life, vision plans.
• Deferred compensation in the form of a 401(k) plan (with matching contribution) and a 457 plan.
• Retirement benefits under the California Public Employees' Retirement System
• Tuition reimbursement
• Training and advancement opportunities
• Excellent working environment
• Public transportation reimbursements
For more information on MWD benefits, please use the following link: Benefits Regular FT PT Employees (Represented)
ABOUT MWD
The Metropolitan Water District of Southern California is a state-established cooperative that, along with its 26 cities and retail suppliers, provides water for 19 million people in six counties. The district imports water from the Colorado River and Northern California to supplement local supplies, and helps its members to develop increased water conservation, recycling, storage and other resource-management programs.
The Metropolitan Water District of Southern California is committed to providing reasonable accommodations to qualified individuals with disabilities. Qualified individuals with disabilities, who need a reasonable accommodation during the application or selection process, please call (213) 217-7738 or email: jobs@mwdh2o.com.
Metropolitan is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran, or any other protected characteristic(s).
Application Filing Period: Closes at 4:30 pm PST on the date stated in the job announcement. However it may close prior to the filing end date if sufficient applications have been received. If sufficient applications have not been received, then the filing period end date may be extended.
Eligibility List*: An eligibility list is a list of qualified candidates created when a job posting states that one will be established.
Candidates who meet the minimum qualifications listed in the original posting and successfully pass all stages of the recruitment process-but are not selected for the initial vacancy-may be placed on this list for future openings.
The list may be used to invite candidates to participate in a selection interview for a future vacancy in the same classification / title (if there is one). The duration of the list depends on the applicable bargaining unit.
Qualifying Experience: Your resume must at a minimum include the month and year you began and ended employment, name of the organization, your title, and a brief description of your experience. If your employment was part-time, make sure you identify it on your resume next to the month/year.
Sponsorship: Applicants for employment with The Metropolitan Water District of Southern California must have work authorization that does not now or in the future require sponsorship of a visa for employment authorization in the United States (i.e., H1-B or other employment-based immigration case).
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