Summary

The King County Department of Natural Resources and Parks (DNRP) Wastewater Treatment Division (WTD) seeks a 2026 Summer CAD Designer intern.

Our internship is for active students only. To be eligible for this internship, you must be enrolled in a college, or university program for the duration of your internship . For example, if you are graduating from a college or university in June 2026 and are not enrolled for a fall 2026 academic program, you are not eligible for internship but rather highly encouraged to apply for our entry-level job openings.
Please visit Wastewater Treatment Division website: Undergraduate and Graduate Internship Program - King County, Washington

Want to apply your CAD skills to real-world infrastructure projects that directly protect public health and the environment? As a CAD Designer/Drafter Summer Intern with the Wastewater Treatment Division at King County, you will help develop technical drawings and 3D models that support capital improvement projects at active wastewater treatment facilities serving communities across the region.

This internship offers hands-on experience in engineering design, exposure to large-scale public infrastructure systems, and the opportunity to collaborate with engineers, designers, and project managers. You’ll work with industry-standard Autodesk software, assist with 3D lidar scanning and point cloud modeling, and participate in real project workflows - gaining practical skills that directly translate to future careers in CAD design and engineering.

About the Role:

Working alongside engineers and project teams, the intern will support upgrades and retrofits of existing wastewater treatment facilities and infrastructure. The intern will help translate engineering concepts into accurate, build-ready drawings, update as-builts from redline markups, assist with 3D lidar scanning and modeling, and support the division’s drawing management systems.

Through this work, the intern directly contributes to infrastructure improvements that protect public health, reduce environmental impacts, and support long-term system reliability, while gaining hands-on experience in real-world engineering project delivery.

About the Team:

The CAD Designer Team is part of the Engineering Unit that helps deliver capital projects for WTD. Our team culture is collaborative, supportive, and communicative. As part of a public service organization, we are committed to environmental stewardship, equity, and delivering infrastructure that protects public health and regional waterways that serve diverse communities throughout the region

Commitment to Equity, Racial, and Social Justice:

King County, named after Dr. Martin Luther King, Jr., is a diverse and vibrant community that represents cultures from around the world. Our True North is to create a welcoming community where everyone can thrive. We prioritize equity, racial, and social justice, making it a foundational and daily expectation for all employees. As a CAD Designer Intern, you will actively apply these principles in all aspects of your work. Learn more about our commitment at http://www.kingcounty.gov/equity .

Apply now for a rewarding career at the Wastewater Treatment Division of King County Department of Natural Resources & Parks (DNRP). Join our talented workforce in protecting and restoring the natural environment and promoting more resilient, sustainable, and equitable communities. Enjoy training, comprehensive benefits , and growth opportunities.

Job Duties

What You Will Be Doing:

• Prepare and revise technical design drawings, standard details, and 3D models for wastewater treatment capital projects using Autodesk CAD software (AutoCAD, Civil 3D, Revit).
  
• Update as-built drawings from engineering redlines, incorporate design changes, and apply established CAD drafting standards to ensure accuracy and consistency.
  
• Conduct field site visits to collect measurements and operate 3D lidar scanning equipment to generate point clouds for design and documentation.
  
• Maintain record drawings and associated metadata within the division’s drawing management systems, including document archiving and migration.
  
Support design reviews and collaborate with Project Engineers and Operations Plant Engineering to deliver accurate, build-ready project documentation.

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Experience, Qualifications, Knowledge, Skills

Qualifications You Bring:

• Basic computer skills
  
• Basic proficiency with CAD Software
  
• Understanding technical drawings, symbols, and drafting standards
  
• Ability to read and interpret engineering redline markups
  
• Strong attention to detail and accuracy
  
• Good communication skills and ability to work on a team
  
Reliable, organized, and eager to learn.

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Competencies You Bring:

• Tech Savvy: Anticipating and adopting innovations in business- building digital and technology applications.
• Action Oriented - Taking on new opportunities and tough challenges with a sense of urgency, high energy, and enthusiasm.
• Collaborates: Building partnerships and working collaboratively with others to meet shared objectives.
• Communicates Effectively - Developing and delivering multi-mode communications that convey a clear understanding of the unique needs of different audiences.
• Organizational Savvy: Maneuvering comfortably through complex policy, process, and people-related organizational dynamics.
• Self-Development: Actively seeking new ways to grow and be challenged using both formal and informal development channels.

It Would Be Great if You Also Bring:

• Experience with AutoCAD or Revit software.
• Experience with reading engineering drawings.

Supplemental Information

Working Conditions:

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  Work Location: The Engineering team team works in a hybrid model, with days in the office as well as telecommuting. The ratio of remote to onsite work will be dependent on business needs and is subject to change. The primary onsite location is King Street Center, 201 S. Jackson, Seattle, Washington 98104. Employees must reside in Washington state and within a reasonable distance to their King County worksite to respond to workplace reporting requirements. King County has a robust collection of tools and resources to support working remotely. The individual selected for this opportunity will join an innovative and progressive team that is redefining how we work as we transition to the department's hybrid environment. Employees will be provided with a County-issued laptop and must maintain a home workspace with an internet connection where they can reliably perform work and remain available and responsive during scheduled work hours. (For potential site visits, please note that the treatment plants do not have public transit access. Candidates should have the means to get to the plants or sites in a timely manner.)
  
  
  
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  Work Schedule: This position may begin as part-time during the current school session and will transition to full-time work during the summer break. This position is covered under the provisions of the Fair Labor Standards Act (FLSA) and is overtime eligible.
  
  
  
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  Union Representation: This position is not represented by a Union.
  
  
  

Application instructions and selection process: This opportunity is open to college level students currently enrolled and continuing into the fall of 2026 in full or part-time status at an accredited university/college. Proof of full or part-time enrollment status is required . We welcome applications from all qualified student applicants. We value diversity, diverse perspectives and life experience and encourage people of all backgrounds to apply. Application materials will be screened for clarity, completeness and alignment with the experience, qualifications, knowledge, and skills essential for this role to determine which candidates may be invited to participate in one or more panel interviews.

To apply, submit a:

• Complete Application
• Resume
• Optional Cover Letter (will be reviewed if submitted)
• Responses to the supplemental questions

Note: Additional documents won't be considered during minimum qualification screening.

W ho to Contact: For more information regarding this recruitment, please contact Rodney Dungo at rdungo@kingcounty.gov

Discover More About the Wastewater Treatment Division: Visit our website and check us out at Facebook , X (formerly Twitter) , Instagram , YouTube , and the WTD Blog .

Discover More About DNRP: Visit our DNRP website , explore an interactive map of our recent accomplishments and check us out at Facebook , X (formerly Twitter) , LinkedIn , TikTok , Instagram , YouTube and Keeping King County Green News .

Sign up for Job Alerts to be notified of additional career opportunities with King County. Select the Natural Resources category for DNRP opportunities and explore other categories of interest.

Forbes named King County as one of Washington State's best employers.
Together, with leadership and our employees, we're changing the way government delivers service and winning national recognition as a model of excellence. Are you ready to make a difference? Come join the team dedicated to serving one of the nation's best places to live, work and play.

Guided by our "True North" , we are making King County a welcoming community where every person can thrive. We value diversity, inclusion and belonging in our workplace and workforce. To reach this goal we are committed to workforce equity. Equitable recruiting, support, and retention is how we will obtain the highest quality workforce in our region; a workforce that shares and will help advance our guiding principles - we are one team; we solve problems; we focus on the customer; we drive for results; we are racially just; we respect all people; we lead the way; and we are responsible stewards. We encourage people of all backgrounds and identities to apply, including Native American and people of color, immigrants, refugees, women, LGBTQ+, people living with disabilities, and veterans.

King County is an Equal Employment Opportunity (EEO) Employer
No person is unlawfully excluded from employment opportunities based on race, color, religion, national origin, sex (including gender identity, sexual orientation and pregnancy), age, genetic information, disability, veteran status, or other protected class. Our EEO policy applies to all employment actions, including but not limited to recruitment, hiring, selection for training, promotion, transfer, demotion, layoff, termination, rates of pay or other forms of compensation.

To Apply
If you are interested in pursuing this position, please follow the application instructions carefully. If you need this announcement in an alternate language or format, would like to request accommodation or assistance in the application or assessment process or if you have questions, please contact the recruiter listed on this job announcement.

This position is not eligible for King County leave, holiday, insured, or other benefits. Please contact the recruiter on the posting for any additional questions regarding associated benefits.

Closing Date/Time: 5/1/2026 11:59 PM Pacific

ABOUT THE COMPANY