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Internship Jobs in Mount Vernon, WA

Summer Engineering Student Internship

Snohomish County PUD #1

$25.6 - $34.64

Everett, WA

We deliver services that our neighbors rely on for their quality of life – whether it’s safe water to drink, heat and light to keep them warm and safe, or energy to power businesses fueling our local economy. • High School student or student currently enrolled in an undergraduate, graduate, or vocational program working toward a degree or certification in any field.

30+ days ago
Summer IT Student Internship

Snohomish County PUD #1

$25.6 - $34.64

Everett, WA

We deliver services that our neighbors rely on for their quality of life – whether it’s safe water to drink, heat and light to keep them warm and safe, or energy to power businesses fueling our local economy. • High School student or student currently enrolled in an undergraduate, graduate, or vocational program working toward a degree or certification in any field.

30+ days ago
2027 Winter/Summer Tax or Audit Internship

Baker Tilly US, LLP

Bellingham, WA

Baker Tilly Advisory Group, LP and Baker Tilly US, LLP, trading as Baker Tilly, are independent members of Baker Tilly International, a worldwide network of independent accounting and business advisory firms in 141 territories, with 43,000 professionals and a combined worldwide revenue of $5.2 billion. Baker Tilly is a leading advisory, tax and assurance firm, providing clients with a genuine coast-to-coast and global advantage in major regions of the U.S. and in many of the world's leading financial centers - New York, London, San Francisco, Los Angeles, Chicago and Boston.

30+ days ago
Internship - Environmental Sciences

ANCHOR QEA, LLC

Bellingham, WA

Apply online through Anchor QEA's Open Positions page athttps://www.anchorqea.com/careers/careers-open-positions/.Veterans are encouraged to apply. Current undergraduate or graduate students majoring in a field related to one of our areas of expertise: Environmental Sciences(chemistry, biology, ecology, marine science, etc.).

22 days ago
SVC Subarc Welding Internship

T BAILEY, INC.

$20 - $21

ANACORTES, WA

Successful candidates will be eager to learn and train with our production team with a goal of producing quality subarc welded products. Successful candidates will have safety as their number 1 priority and be enrolled in the Skagit Valley College welding program with a graduation date in June 2026.

19 days ago
Summer Internship 2026 - Control Systems Test Engineering

Paccar Winch Inc.

Mount Vernon, WA

Duties will also include ensuring HIL benches are configured with project-specific hardware and software, and ensuring HIL bench architecture is representative of the vehicle architecture under test. PACCAR provides a professional, real-life intern experience while also providing opportunities to meet other interns and participate in events at our truck companies, testing facility and more.

30+ days ago
Summer Internship 2026 - Controls Validation

Paccar Winch Inc.

Mount Vernon, WA

Job Functions / Responsibilities + Support Powertrain Controls Validation activities + Conduct associated testing in-vehicle + Use service and engineering tools to manipulate vehicle properties and collect data + Develop validation test plans + Analyze real world vehicle test data and report results Qualifications + Junior or Senior in good standing towards an Engineering, Science, or equivalent degree. PACCAR is a global technology leader in the design, manufacture and customer support of premium light-, medium- and heavy-duty trucks under the Kenworth, Peterbilt and DAF nameplates and also provides customized financial services, information technology and truck parts related to its principal business.

30+ days ago
Summer Internship 2026 - Diesel Technician

Paccar Winch Inc.

Mount Vernon, WA

Job Functions / Responsibilities - Prepare heavy duty diesel engines and vehicles for testing, including replacing components and installing delicate measurement instrumentation - Work closely with technician and engineering staff to assure engines and vehicles are performing as requested during testing - Maintain, troubleshoot and repair test engines and vehicles as directed by senior technician staff - Maintain the highest level of documentation, work area cleanliness and organization - Perform duties safely, efficiently and in a quality manner - Flexibility, initiative and the willingness to respond to shifting time and project demands Qualifications & Skills - Currently enrolled in or recently graduated from Diesel Power Technology course with 3.0 GPA or better - Base knowledge of engine and heavy-duty vehicle systems - Applicants with a high attention to detail, thoroughness, and who are highly organized are sought after - Excellent mechanical aptitude - Welding and fabrication skills a plus - Ability to work well individually and in a team environment - Current driver's license - Good computer skills - Microsoft Office software knowledge desired - Good written and verbal communication skills Intern Benefits Salary: $25.00/hour Date: Mar 3, 2026 Location: Mount Vernon, WA, US, 98273-9671 Company: PACCAR Intern Diesel Technician to support technician and engineering staff with all preparation phases of heavy-duty vehicle testing at the PACCAR Technical Center Vehicle Operations Lab.

30+ days ago
Summer Internship 2026 - Customer Field Test Engineer

Paccar Winch Inc.

Mount Vernon, WA

Date: Feb 13, 2026 Location: Mount Vernon, WA, US, 98273-9671 Company: PACCAR Requisition Summary The Customer Field Test Intern will help test new or improved truck and engine parts to make sure they work well. PACCAR Inc is recognized as a global leader in the commercial vehicle, financial, and customer service fields with internationally recognized brands such as Kenworth, Peterbilt, and DAF trucks.

21 days ago
Summer Internship 2026 - Data Systems Instrumentation

Paccar Winch Inc.

Mount Vernon, WA

Date: Mar 4, 2026 Location: Mount Vernon, WA, US, 98273-9671 Company: PACCAR Requisition Summary The Instrumentation Intern will be responsible for assisting in the instrumentation of test trucks, collecting and processing test data as well as; coordinating with varies department/personnel, and submitting work orders at the Paccar Technical Center. PACCAR also designs and manufactures advanced diesel engines, provides financial services and information technology, and distributes truck parts related to its principal business.

30+ days ago
Summer Internship 2026 - Thermal Management Technician

Paccar Winch Inc.

Mount Vernon, WA

PACCAR is a global technology leader in the design, manufacture and customer support of premium light-, medium- and heavy-duty trucks under the Kenworth, Peterbilt and DAF nameplates and also provides customized financial services, information technology and truck parts related to its principal business. The Instrumentation summer intern will work closely with and under the mentorship of experienced technical and engineering staff while assisting with the preparation of offsite test vehicles, installing instrumentation and data acquisition equipment.

11 days ago
Summer 2026 Management Trainee Sales Internship - Bellingham

Enterprise Mobility

Bellingham, WA

Below is the address to one of our flagship branch locations **1302 Iowa St. Bellingham, WA 98229** **This position offers hourly compensation of $20 per hour.** **This position is full-time (40 hours/week) 12 week program with 2 round options: May 11th, 2026 - July 31st, 2026 or June 15th, 2026 - September 4th, 2026.** **Responsibilities** When you join our Management Internship Program, you'll soon discover that every day is different because it is filled with new, exciting, rewarding and often unexpected opportunities. We'll give you the chance to develop the skills you need to manage a fleet of vehicles, take care of customers, develop marketing strategies and build relationships with customers and coworkers.

12 days ago
Summer 2026 Management Trainee Sales Internship - Bellingham

Enterprise Holdings

Bellingham, WA

We’ll give you the chance to develop the skills you need to manage a fleet of vehicles, take care of customers, develop marketing strategies and build relationships with customers and coworkers. If you’re looking to hit the ground running, the Enterprise Management Internship will help you build valuable business and leadership skills.

12 days ago
2026 University Intern - Ferndale Refining Engineer

Phillips 66

$2894 - $3308

Ferndale, WA

Through its refining business segment, Phillips 66 is upgrading crude oil and other feedstocks into higher-value petroleum products including clean-burning gasoline, ultra-low-sulfur diesel, jet fuel, lubricants, petroleum coke and other specialty products while maintaining a high regard for safety and environmental limitations. Areas of focus may include optimization of an existing process, improving energy efficiency, handling key logistics, improving equipment reliability, monitoring emissions or completing permit applications, optimizing the use of equipment by finding and eliminating defects, using sophisticated modeling and data analysis software tools.

30+ days ago