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Senior Internship Jobs in Santa Rosa, CA (NOW HIRING)

Assurance Senior/Supervisor

Santa Rosa, CA

$76K - $110K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... interns, provide constructive feedback, and ensure conclusions are appropriate Customize audit strategies based on identified risks and ensure audit issues are addressed during planning and ...

Tax Senior/Supervisor

Petaluma, CA

$76K - $110K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Prepare and review individual, corporate, partnership, and consolidated tax returns Review associates' and interns' tax returns, providing constructive feedback to ensure quality and support growth ...

Tax Senior/Supervisor

Santa Rosa, CA

$76K - $110K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Prepare and review individual, corporate, partnership, and consolidated tax returns Review associates' and interns' tax returns, providing constructive feedback to ensure quality and support growth ...

Assurance Senior/Supervisor

Petaluma, CA

$76K - $110K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... interns, provide constructive feedback, and ensure conclusions are appropriate Customize audit strategies based on identified risks and ensure audit issues are addressed during planning and ...

Project Manager

Santa Rosa, CA · On-site

  • Medical

  • Life

  • Retirement

  • PTO

Track project milestones and flag schedule or budget risks to stakeholders and senior staff. Cross ... Prior exposure to a manufacturing, production, or engineering environment (internship experience ...

Project Manager

Santa Rosa, CA · On-site

  • Medical

  • Life

  • Retirement

  • PTO

Track project milestones and flag schedule or budget risks to stakeholders and senior staff. Cross ... Prior exposure to a manufacturing, production, or engineering environment (internship experience ...

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Senior Internship information

See Santa Rosa, CA salary details

$6

$18

$27

How much do senior internship jobs pay per hour?

As of Aug 17, 2026, the average hourly pay for senior internship in Santa Rosa, CA is $18.20, according to ZipRecruiter salary data. Most workers in this role earn between $15.77 and $20.24 per hour, depending on experience, location, and employer.

What is a senior internship?

A Senior Internship is a structured work experience program designed for students in their final year of high school, college, or university. These internships provide hands-on experience in a professional setting, allowing students to apply their academic knowledge to real-world tasks. Senior internships often serve as a bridge between education and full-time employment, helping participants develop industry-specific skills and professional networks. They can be paid or unpaid and may sometimes lead to job offers after graduation.

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

To thrive as a Senior Intern, you need a solid educational background in your field, relevant work or project experience, and the ability to quickly learn new concepts. Familiarity with industry-specific software, productivity tools like Microsoft Office or Google Workspace, and sometimes basic project management systems is often expected. Strong communication, initiative, and adaptability set outstanding Senior Interns apart, allowing them to contribute meaningfully and build relationships. These skills and qualities are critical for effectively supporting teams, gaining valuable experience, and maximizing the internship’s growth opportunities.

What are some common challenges faced by senior interns, and how can they overcome them?

Senior Interns often encounter the challenge of balancing advanced responsibilities with ongoing learning. They may be expected to take on leadership roles within projects or mentor newer interns, which can feel daunting. To overcome these challenges, it's helpful to proactively seek feedback, communicate openly with supervisors, and leverage time management skills. Building strong relationships with team members and asking for mentorship opportunities can also ease the transition into more senior tasks and help interns make a lasting impact.

What is the difference between Senior Internship vs Data Analyst Internship?

AspectSenior InternshipData Analyst Internship
Required CredentialsTypically pursuing or recent graduate, some relevant courseworkLikewise, often students or recent grads with basic data skills
Work EnvironmentProfessional office setting, collaborative teamsSimilar office environment, focus on data projects
Employer & Industry UsageUsed across industries for advanced internship rolesCommon in tech, finance, healthcare sectors
Search & Comparison IntentPeople comparing internship levels or seeking advanced internship rolesPeople looking for entry-level data experience

In summary, a Senior Internship typically involves more advanced coursework or experience and may target students nearing graduation, while a Data Analyst Internship is more focused on gaining foundational data skills. Both are valuable entry points into data-related careers but differ in experience level and expectations.

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

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

What are popular job titles related to Senior Internship jobs in Santa Rosa, CA?

For Senior Internship jobs in Santa Rosa, CA, the most frequently searched job titles are:

What job categories do people searching Senior Internship jobs in Santa Rosa, CA look for?

The top searched job categories for Senior Internship jobs in Santa Rosa, CA are:

What cities near Santa Rosa, CA are hiring for Senior Internship jobs?

Cities near Santa Rosa, CA with the most Senior Internship job openings:

Infographic showing various Senior Internship job openings in Santa Rosa, CA as of August 2026, with employment types broken down into 10% Internship, 60% Full Time, 26% Part Time, 2% Temporary, and 2% Contract. Highlights an 87% Physical, 2% Hybrid, and 11% Remote job distribution, with an average salary of $37,856 per year, or $18.2 per hour.

Senior - Principal Engineer - Municipal Water Conveyance & Storage

West Yost

Santa Rosa, CA • On-site

$112K - $189K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 27 days ago


Job description

Who We Are:

West Yost is a water resource management and engineering firm focused exclusively on water. Since our founding in 1990, we have partnered with public agencies including cities, counties, utilities, and water districts to plan, design, and deliver water, wastewater, and stormwater solutions that support safe, reliable, and resilient communities.

Our team of more than 260 professionals brings together expertise in groundwater, water supply, treatment, infrastructure, recycled water, stormwater, construction management, and operations technology. We support projects from early planning and permitting through design and construction and complement our engineering services with program management and public outreach to help clients move work forward and engage their communities.

We are proud to be certified as a Great Place to Work, and to be recognized among Fortune's Best Workplaces in Consulting and Professional Services from 2023 to 2025, as well as a top-ranked firm in the AEC Advisors Diversity Index. At West Yost, we are committed to being the water firm of choice for our clients and our team, advancing water resources for future generations through strong partnerships, practical solutions, and a shared commitment to quality.

Compensation Range: $112,000 - $189,530.  Based on our Davis, CA office location.  (West Yost uses geographic salary differentials that would apply for candidates in other regions). 

Status: Full-time, Exempt

Location:  Preference is one of our Northern California office locations.  (https://www.westyost.com/locations/ ).

This is a Hybrid role with 3 days in the office and 2 days remote.

Position Description:

Senior - Principal Engineer - Municipal Water Conveyance & Storage (Northern California) 

West Yost is looking for a Senior - Principal level Engineer to join the team! You will have a desire to oversee and assist team members with an array of tasks including but not limited to water infrastructure planning and design. The Senior - Principal Engineer represents achievement beyond the associate and/or senior-level in technical expertise, design, project planning, project engineering, management, client relations and/or business development.

Essential Duties:

  • Perform complex engineering tasks including engineering designs, preparing reports, construction drawings, specifications, and calculations for various projects.
  • Review product designs and drawings for compliance with engineering principles, firm standards, customer contract requirements, and related specifications.
  • Develop proposals and budgets for lower risk and smaller engineering efforts.
  • Meet with clients to determine recommended project scope, estimate staffing requirements, and fee for review and prepare for signature.
  • Develop and maintain client contact before, during, and after project completion.
  • Cultivate client relationships through organizational involvement and by direct contract.
  • Maintain three-month workload projections for all projects under personal management.
  • Work closely with other engineers and managers to balance workload demands amongst current staff.
  • Assist in mentoring and training Associate Engineers, Engineers and Engineering Interns.
  • Prepare and conduct technical review of staff, reports, correspondence, calculations and prepare technical recommendations.
  • Plan, organize and supervise work of professionals and technicians as needed.
  • Prepare specifications and contract documents.
  • Prepare opinions of probable cost and construction schedules/sequencing on current and new designs.
  • Act as project manager or team member on larger design and construction projects.

Required Education and/or Experience:

  • Bachelor's degree in in Civil/Environmental Engineering
  • 10+ years of relevant experience
  • Excellent writing and communication skills
  • Experience with CAD and GIS
  • PE licensure

Preferred Education and/or Experience:

  • Master's degree in in Civil/Environmental Engineering

Travel Requirements:

This position may require travel to other offices and/or client offices.

A Little About the West Yost Life:

You will experience many opportunities to grow and develop professionally with your colleagues through collaborative in-person work experience, knowledge sharing, and mentorship opportunities. We also offer hybrid and flexible work schedules to our employees to help promote and encourage a healthy work/life balance.  All of our team members have access to local and company-wide events, our Diversity, Equity and Inclusion Workgroup, Culture Workgroup, Wellness Workgroup, book clubs, charitable giving and community service, firm-wide resources, peer groups (young professionals & middlers group), and mentorship and leadership programs.  We support and foster your career success and encourage you to be in control of your future with us.

At West Yost, we make space for connection across the firm. Each month, we hold an all-hands meeting that bring together team members from every location, including those working remotely, to stay aligned and engaged. Individual sectors and teams also hold their own monthly meeting. At the local level, our offices host gatherings, from camping trips and river rafting to community events and celebrations.

Once a year, we come together in person for our Annual All Staff event, a firmwide experience focused on learning, networking, and building relationships across teams. That evening, we continue our longest-standing tradition, the Duck Dinner, where West Yosters are encouraged to bring a guest and enjoy a night of great food, connection, and entertainment.

We work hard, and we place equal value on having fun.

Our commitment to quality begins with our hiring practices. We employ the most talented team members in our industry from all backgrounds. We are highly selective of the individuals we choose to represent the firm, seeking only those individuals whose technical abilities and commitment to client service matches our vision for excellence.  We are dedicated to our number one asset, our employees.  Because we are employee-owned, we are responsible for and rewarded by our own success. Come to West Yost where, with our support, you'll do the best work of your life.

Standard Benefits:

We provide a comprehensive array of valuable benefits to protect your health, your family, and your way of life. Benefits include medical, dental, vision, flexible spending accounts, health saving accounts (with West Yost contribution), paid vacation, paid sick leave and holidays, two employee assistance programs, travel assistance program, 401(k) profit sharing with employer match, leaves of absence with additional supplemental paid time off, parental leave, life and AD&D insurance, short-term and long-term disability insurance, and even pet insurance.

Other Unique Benefits:

You'll be provided with support in on-going education through our 529 college savings plan/student loan repayment program, tuition reimbursement, paid professional memberships, paid training, and Leadership Academy programs. You'll be recognized for your contributions at West Yost through milestone anniversary benefits, peer to peer recognition programs, the potential for employee stock ownership, annual monetary and paid time off bonuses, performance-based bonus eligibility, merit increase eligibility, and employee referral bonuses. We also offer a wellness reimbursement.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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