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Assistant Engineer Jobs in Santa Rosa, CA (NOW HIRING)

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Engineering Assistant (lead) - NOT REMOTE

Santa Rosa, CA · On-site

$32 - $39/hr

Engineering Assistant (Lead) - Santa Rosa, CA $32-$39/hr DOE | Day Shift | Full-Time | Temp-to-Hire We are seeking an experienced **Engineering Assistant** to support Engineering, Manufacturing ...

EG-Engineering

Controls Software Engineer

Bodega Bay, CA · On-site

$53.75 - $68.50/hr

The engineer will work primarily with EPICS (Experimental Physics and Industrial Control System ... Develop graphical user interfaces and loggers with standard EPICS tools. * Assist with ...

AeroVironment, Inc.

Systems Engineer II

Petaluma, CA · On-site

$82K - $125K/yr

Document work and assist with the transition of new capabilities, technologies and prototypes into a production development environment. * Work on problems of moderate scope where analysis of ...

W3Global Inc.

Mechanical Engineer

Bodega Bay, CA · On-site

$130K - $170K/yr

Mechanical Engineer About the Opportunity One of our clients specializes in HVAC, Electrical ... Participate in project planning and execution to maintain schedules and deliverables. * Assist with ...

AeroVironment

Systems Engineer II

Petaluma, CA

$82K - $125K/yr

Document work and assist with the transition of new capabilities, technologies and prototypes into a production development environment. * Work on problems of moderate scope where analysis of ...

THE ESTATE YOUNTVILLE

Administrative Assistant

Yountville, CA · On-site

$20.50 - $27.75/hr

The Engineering Administrative Assistant supports the Engineering department with daily administrative coordination, work order tracking, vendor communication, purchasing follow-up, preventive ...

Areté

NPI Test Engineer

Healdsburg, CA · On-site

$80 - $100/hr

Execute engineering test procedures for subsystem and system‑level verification activities. * Assist with developing, documenting, and improving engineering test procedures, test plans, and reports.

Arete Associates

NPI Test Engineer

Healdsburg, CA · On-site

$75K - $110K/yr

Execute engineering test procedures for subsystem and system-level verification activities. * Assist with developing, documenting, and improving engineering test procedures, test plans, and reports.

kennedyjc

Pipeline Engineer

Santa Rosa, CA · Hybrid

$92K - $171K/yr

Provide construction-phase engineering support ... Review materials submittals, respond to requests for information, and assist owners in confirming ...

JMJ PHILLIP

Manufacturing Engineer

Cloverdale, CA · On-site

$100 - $125/hr

Equipment & Tooling * Assist with the selection, installation, and validation of manufacturing ... Work closely with Engineering, Operations, Supply Chain, and Quality teams to achieve production ...

Farmhouse Inn

Maintenance Engineer - FT

Forestville, CA · On-site

$28 - $32/hr

Property Operations * Assist with seasonal maintenance projects. * Maintain pools, hot tubs ... Maintain engineering tools and equipment in good working order. * Monitor inventory of maintenance ...

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All JobsEngineer JobsAssistant Engineer JobsAssistant Engineer Jobs in Santa Rosa, CA

Assistant Engineer information

See Santa Rosa, CA salary details

$36.1K

$97K

$147.1K

How much do assistant engineer jobs pay per year?

As of Sep 8, 2026, the average yearly pay for assistant engineer in Santa Rosa, CA is $97,038.00, according to ZipRecruiter salary data. Most workers in this role earn between $77,100.00 and $114,300.00 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.
More about Assistant Engineer jobs

What are the most commonly searched types of Engineer jobs in Santa Rosa, CA?

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

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For Assistant Engineer jobs in Santa Rosa, CA, the most frequently searched job titles are:

What job categories do people searching Assistant Engineer jobs in Santa Rosa, CA look for?

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

Assistant Engineer jobs near you
Infographic showing various Assistant Engineer job openings in Santa Rosa, CA as of August 2026, with employment types broken down into 2% As Needed, 73% Full Time, 20% Part Time, 1% Temporary, and 4% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $97,038 per year, or $46.7 per hour.

Staff Optical Coating Process Engineer

II-VI Aerospace & Defense

Santa Rosa, CA • On-site

$141K - $182K/yr

Full-time

This job post has expired today. Applications are no longer accepted.

Job description


Primary Duties & Responsibilities
  • Have in-depth knowledge of reactive magnetron sputtering processes and their relationship to thin-film growth processes sufficient to understand their effects on optical, structural and mechanical properties of multilayer thin films.
  • Have sufficient analytical knowledge of automated thin film vacuum sputter deposition chamber operation to support Process change decisions regarding; Programmable Logic Controllers, Agility HMI automation, process control interfaces, process control setup, laser monitoring, Manufacturing execution system and database interface.
  • Have in depth knowledge and experience with vacuum equipment including, pumps, valves, feedthroughs, Mass flow valves, pressure gauges, magnetron cathodes, heaters and heat control systems.
  • Understand Optical thin-film design theory and how to use Optical thin-film design codes for characterizing manufacturing errors. Working knowledge of basic design building blocks, effective indices and the various applications of symmetric design components.
  • Analytical knowledge of automated Optical monitoring systems used for accurate layer thickness control of coatings with as many as 400 layers and synchronous control of deposition process.
  • Ability to interpret and analyze data from radiometric fiber optic measurement system utilizing grin lenses and tunable laser sources.
  • Working together with engineers in a team environment where project actions are interdependent upon multiple team members where shared ideas may be accepted or challenged in an effort to achieve the best outcome for all.
  • Responsible for daily decisions on process, product and equipment problems and their impact on production costs and on-time delivery commitments.
  • Develop new tools and processes for manufacturing new products and integrate them into the manufacturing systems.
  • Interact closely with the Manufacturing team to monitor and clarify procedures.
  • Support Planning and Manufacturing to optimize product flow, throughput and on-time delivery goals.
  • Perform continuous process improvement and development of tools to assist engineering and manufacturing in evaluation of processes, diagnosis of equipment failures, product and business. Support decisions using measurable statistics.
  • Maintain and optimize predictive tools to maximize run yields and minimize downtime.
  • Perform product qualifications for new products or for specified process changes
  • Write or modify work instructions for tasks associated with coating processes, measurement instrumentation and software tool utilized by technicians.
  • Participate in major development efforts driven by Management and work together with Senior engineers to identify how to best support the effort
  • Communicate well with outside vendors and customers, fostering good working relationships.

Education & Experience
  • BS degree or higher in Engineering, Physics or related field
  • 5 years of professional optical coating process engineering in manufacturing.

Skills
  • In depth knowledge of reactive magnetron sputter deposition processes, thin film growth processes and their interrelationships
  • In depth knowledge of thin film design theory, thin film design code development and product application.
  • General knowledge of statistical software packages, interpretation of statistics and an ability to clearly communicate statistical results to others.
  • Experience Decreasing/Eliminating process variations using problem solving methodologies to; understand root causes, confirm hypotheses, implement resolutions, and optimize improvement
  • General knowledge optical thin film metrology for telecommunication filters
  • Familiarity with Matlab/Visual Basic/Labview/Python codes for equipment control and data analysis and proficient in one of these languages.
  • Have proficient general computer skills. Some examples are; experience with commercial thin film software, and other programs, Word, Excel, power point etc.
  • Experience TFCALC preferred.

Working Conditions
  • Shift and 'on-call' work may be required, particularly where manufacturing/production equipment is in continual 24-hour operation.

Physical Requirements
  • Able to lift and move up to 25lbs without assistances

Safety Requirements
All employees are required to follow the site EHS procedures and Coherent Corp. Corporate EHS standards.
Quality and Environmental Responsibilities
Depending on location, this position may be responsible for the execution and maintenance of the ISO 9000, 9001, 14001 and/or other applicable standards that may apply to the relevant roles and responsibilities within the Quality Management System and Environmental Management System.
Culture Commitment
Ensure adherence to company's values (ICARE) in all aspects of your position at Coherent Corp.:
Integrity - Create an Environment of Trust
Collaboration - Innovate Through the Sharing of Ideas
Accountability - Own the Process and the Outcome
Respect - Recognize the Value in Everyone
Enthusiasm - Find a Sense of Purpose in Work
Coherent Corp. is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.
If you need assistance or an accommodation due to a disability, you may contact us at talentacquisition@coherent.com.
About Us
Coherent is a global leader in lasers, engineered materials and networking components. We are a vertically integrated manufacturing company that develops innovative products for diversified applications in the industrial, optical communications, military, life sciences, semiconductor equipment, and consumer markets. Coherent provides a comprehensive career development platform within an environment that challenges employees to perform at their best, while rewarding excellence and hard-work through a competitive compensation program. It's an exciting opportunity to work for a company that offers stability, longevity and growth. Come Join Us!
Note to recruiters and employment agencies: We will not pay for unsolicited resumes from recruiters and employment agencies unless we have a signed agreement and have required assistance, in writing, for a specific opening.

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