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Senior Intern Jobs in San Ramon, CA (NOW HIRING)

Estes Energy

2026 Fall Engineering Intern

San Francisco, CA · On-site

$19.75 - $25.50/hr

As an Engineering Intern, you'll own a meaningful slice of a live project, work shoulder-to-shoulder with senior engineers, and see your contributions make it into actual systems. You'll reason from ...

Fortinet, Inc.

Tax Intern

Sunnyvale, CA

$20 - $24/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We are looking for a highly motivated and detail-oriented Tax Intern to join Fortinet, Inc.'s Tax ... Junior or Senior pursuing Accounting/Finance. A basic understanding of GAAP (General Accepted ...

Fortinet, Inc.

Tax Intern

Sunnyvale, CA · On-site

$20 - $24/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We are looking for a highly motivated and detail-oriented Tax Intern to join Fortinet, Inc.'s Tax ... Junior or Senior pursuing Accounting/Finance. A basic understanding of GAAP (General Accepted ...

Fortinet

Tax Intern

Sunnyvale, CA

$20 - $24/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We are looking for a highly motivated and detail-oriented Tax Intern to join Fortinet, Inc.'s Tax ... Junior or Senior pursuing Accounting/Finance. A basic understanding of GAAP (General Accepted ...

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All JobsIntern JobsSenior Intern JobsSenior Intern Jobs in San Ramon, CA

Senior Intern information

See San Ramon, CA salary details

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How much do senior intern jobs pay per hour?

As of Aug 12, 2026, the average hourly pay for senior intern in San Ramon, CA is $18.60, according to ZipRecruiter salary data. Most workers in this role earn between $16.11 and $20.67 per hour, depending on experience, location, and employer.

What is a senior intern?

A Senior Intern is typically an intern who has more experience or tenure compared to other interns, often taking on greater responsibilities within an organization. Senior Interns may mentor new interns, assist with project management, and contribute more significantly to team goals. While still in a learning position, they are expected to work more independently and may be preparing for a transition to a full-time role. The title can vary depending on the company's structure but generally reflects a higher level of trust and responsibility.

What skills and qualifications are needed to thrive as a senior intern?

To thrive as a Senior Intern, you need a solid academic background in your field, strong organizational skills, and relevant internship or project experience. Familiarity with industry-specific software, productivity tools like Microsoft Office or Google Suite, and sometimes basic data analysis platforms is often expected. Proactive communication, adaptability, and the ability to quickly learn new tasks are soft skills that set top candidates apart. These competencies help Senior Interns contribute meaningfully to projects, adapt to workplace demands, and demonstrate readiness for full-time professional roles.

What do senior interns do?

As a Senior Intern, you can anticipate being given more complex projects and greater autonomy than entry-level interns. You may be expected to lead small teams of fellow interns, contribute to strategic discussions, and present findings or updates to management. Senior Interns often collaborate closely with full-time staff, gaining exposure to higher-level work processes and decision-making. This role serves as a bridge between internship and full-time employment, providing valuable experience that can enhance your career prospects.

What is the difference between Senior Intern vs Intern?

AspectSenior Intern
Experience LevelTypically 1-3 years of related internship or entry-level experience
ResponsibilitiesMore advanced tasks, mentorship roles, project leadership
QualificationsOften pursuing or holding a bachelor's degree, some may have relevant certifications
Work EnvironmentSame as intern, often in corporate or organizational settings

In summary, a Senior Intern has more experience and responsibilities than a standard Intern, often taking on leadership roles and handling more complex tasks, while still being in an internship capacity.

What are the most commonly searched types of Senior jobs in San Ramon, CA? The most popular types of Senior jobs in San Ramon, CA are:
What job categories do people searching Senior Intern jobs in San Ramon, CA look for? The top searched job categories for Senior Intern jobs in San Ramon, CA are:
What cities near San Ramon, CA are hiring for Senior Intern jobs? Cities near San Ramon, CA with the most Senior Intern job openings:
Senior Intern jobs near you
Infographic showing various Senior Intern job openings in San Ramon, CA as of August 2026, with employment types broken down into 30% Internship, and 70% Part Time. Highlights an 100% In-person job distribution, with an average salary of $38,693 per year, or $18.6 per hour.

2026 Fall Engineering Intern

Estes Energy

San Francisco, CA • On-site

$19.75 - $25.50/hr

Other

Re-posted 20 days ago

Job description

2026 Fall Engineering Intern

Location: [On-site — San Francisco] ·
Term: Fall 2026 (Sept–Dec, dates flexible) ·
Type: Full-time or part-time internship

About Estes Energy

Estes develops and manufactures zero-emission power systems that unlock true scale and performance for the electrification of commercial vehicle and equipment markets. Our goal is to democratize electrification — delivering powertrain solutions at better cost and performance than diesel, for both high-volume OEMs and next-generation newcomers.
We work on transforming advanced materials into battery systems for industrial and commercial applications, most of which runs on diesel today.

The problem we're attacking is real. Roughly 3.9 million barrels of diesel (5.8 TWh of energy) are burned every day in the U.S., mostly by commercial vehicles and equipment — emitting 1.66 megatonnes of CO₂, 353 kilotonnes of NOx, and 9.92 kilotonnes of SOx daily. We exist to move the needle on transitioning a century-old diesel-burning industry to electric.

The Role

We're a small, deeply technical team with ambitious goals, and our interns do real engineering work (not pet projects). As an Engineering Intern, you'll own a meaningful slice of a live project, work shoulder-to-shoulder with senior engineers, and see your contributions make it into actual systems. You'll reason from first principles, let data drive your decisions, and design with cost and scale in mind from day one.

What you'll do

  • Contribute to the design, build, and test of components or subsystems within our power systems (mechanical, electrical, controls, battery, manufacturing, or systems engineering — depending on your focus)
  • Develop and run experiments to test hypotheses, then turn data into decisions
  • Build tools, models, fixtures, or analyses that help the team move faster
  • Document your work clearly and present findings to the team
  • Take ownership of a defined project and drive it to a measurable result by the end of your term

Who you are

  • Pursuing a degree in Mechanical, Electrical, Chemical, Materials, Manufacturing, Systems, Material Science, Metallurgy or a related engineering field (or equivalent hands-on experience)
  • Curious and rigorous — you ask "why," challenge assumptions, and get to the root of a problem before building up
  • Comfortable with experimentation and data; you care about data integrity
  • Able to take ownership, work independently, and collaborate directly and honestly
  • Bias toward making things: hands-on project, lab, internship, research, or build-team experience is a plus

How we work — our core tenets

Reason from first principles · Only data can save us · Take deep ownership and excel at your craft · Design for cost and scale at every stage · Operate with good faith and accountability.

Compensation

Compensation is tailored to experience and role scope.
This is a paid internship based on-site at San Francisco.

Equal Opportunity

At Estes, we're building a team grounded in competence, character, and mutual respect, and we believe diverse perspectives are essential to solving the complex problems of our industry. We provide a workplace free from discrimination, harassment, and retaliation, and we ensure equal opportunity in all employment practices.

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