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Assistant Engineer Jobs in Montclair, CA (NOW HIRING)

Assistant Engineer - Mechanical Maintenance The role supports the Engineer - Mechanical Maintenance in coordinating, supervising, and maintaining all aspects of mechanical equipment within the ...

Aerospace Engineer

Irvine, CA · On-site

$70K - $80K/yr

Support spacecraft anomaly investigations and assist engineers in collecting data and generating anomaly reports. * Conduct routine checks on spacecraft performance trends and contribute to ...

Aerospace Engineer

Irvine, CA · On-site

$70K - $80K/yr

Support spacecraft anomaly investigations and assist engineers in collecting data and generating anomaly reports. * Conduct routine checks on spacecraft performance trends and contribute to ...

Assistant Chief Engineer Perform general maintenance functions to ensure guest service and sustainability standards are achieved and maintained throughout the hotel structure. Potential Career Path ...

Assistant Chief Engineer Perform general maintenance functions to ensure guest service and sustainability standards are achieved and maintained throughout the hotel structure. Potential Career Path ...

Showing results 21-40

Assistant Engineer information

See Montclair, CA salary details

$33.3K

$89.6K

$135.8K

How much do assistant engineer jobs pay per year?

As of Sep 7, 2026, the average yearly pay for assistant engineer in Montclair, CA is $89,614.00, according to ZipRecruiter salary data. Most workers in this role earn between $71,200.00 and $105,500.00 per year, depending on experience, location, and employer.

What is an assistant engineer?

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.

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 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.

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.

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 are the most commonly searched types of Engineer jobs in Montclair, CA?

The most popular types of Engineer jobs in Montclair, CA are:

What cities near Montclair, CA are hiring for Assistant Engineer jobs?

Cities near Montclair, CA with the most Assistant Engineer job openings:

Infographic showing various Assistant Engineer job openings in Montclair, CA as of August 2026, with employment types broken down into 2% As Needed, 71% Full Time, 23% Part Time, 1% Temporary, 2% Contract, and 1% Nights. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $89,614 per year, or $43.1 per hour.

$60.31 - $79.20/hr

Full-time

Medical, Dental, Vision, Life, Retirement

Posted 7 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 1 opening for the Associate Engineer role located at our Weymouth location.
This recruitment may result in an eligibility list*.
In this role, you'll serve as an Associate Engineer, utilizing technical expertise to protect critical water infrastructure. You'll develop, design, and implement cathodic protection measures; perform on-site condition assessments of pipelines and treatment facilities; and utilize enterprise GIS to manage data and drive asset management programs. This is an opportunity to apply your knowledge of corrosion control, ensure industry standards are met, and play a key role in safeguarding the region's water systems.
What You'll Do
  • Develop, design, and implement cathodic protection measures.
  • Collaborate with design engineers, operations personnel, and external agencies to ensure project execution and asset management.
  • Perform on-site assessments of pipelines, water treatment facilities, and related water infrastructure to support asset management programs.
  • Utilize an enterprise geographical information system (GIS) to gather, manage, and analyze assessment data.

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: Associate Engineer
Schedule: 4/10. Start times no earlier than 6 AM and end times no later than 6PM.
Hybrid: Metropolitan's current practice in this position is a hybrid work schedule. This typically includes two days a week in person and the other days remote. This is subject to change dependent on organizational needs. In addition, a telework policy is scheduled for negotiations and once completed and implemented, will provide final direction on the hybrid schedule.
EMPLOYMENT STANDARDS
MINIMUM QUALIFICATIONS
Education and Experience: Bachelor's degree from an accredited college or university in a related field and four years of relevant experience, of which two years must have been at the Assistant Engineer II level;
or
Master's degree from an accredited college or university in a related field and two years of relevant experience which must have been at the Assistant Engineer II level.
Relevant Experience is defined as: a combination of experience designing cathodic protection systems for pipelines, treatment facilities, or other critical infrastructure; and corrosion control testing and pipeline condition assessment.
CERTIFICATIONS, LICENSES, AND REGISTRATION REQUIREMENTS
Employees in this position may be required to obtain and maintain the following certifications, licensing and registrations:
License(s): Valid California Class C Driver's License or equivalent that allows you to drive during your employment is required at time of application.
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
• Public transportation reimbursements
• Hub of public transportation: rail, subway, buses, and taxis
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.
Metropolitan is an Equal Employment Opportunity (EEO) employer. The Metropolitan Water District of Southern California is committed to fostering an inclusive and respectful workplace for all employees.
Qualified individuals with disabilities who need a reasonable accommodation during the application or selection process, please reach out to the Human Resources Office at (213) 217-7738 or email jobs@mwdh2o.com.
In accordance with applicable laws, we provide religious accommodations for sincerely held religious beliefs, practices, and observances that conflict with work requirements. If you require a religious accommodation during the application, interview, or employment process, please reach out to the EEO Office at (213) 217-5858 or eeooffice@mwdh2o.com. Requests are evaluated on a case-by-case basis.
Application Filing Period: Closes at 11:59 pm PT 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).
#LI-Hybrid