Civil Engineering Intern

MacKay Sposito is seeking a Civil Engineering Intern to join our team for Summer 2026 in Federal Way, WA.

Candidates should be currently enrolled in a civil engineering or related program, with a preference given to those entering their senior year. Recent graduates are also encouraged to apply. The duration of the paid internship is up to three months. The internship will provide valuable experience in land development and public road design, including street, water, and sewer system design, road plan and profiles, as well as, storm drainage design.

At MacKay Sposito, we’re always looking for ways to help you grow in your career by giving you tasks that stretch your abilities while providing you with the support to accomplish them. We’re eager to teach you new skills that will help you grow as an engineer. In fact, the majority of our Professional Engineers started at the firm as EITs.

But it’s not all work. We have plenty of fun at MacKay Sposito, as well. From themed potlucks to parties, and happy hours, we’re always trying to mix something in that will put a smile on your face. Yes, we’re serious about our work – but we’re serious about fun, too. If that sounds good to you, let’s talk.

We live by our core values of honesty, dedication, and relationships. We make decisions every day based on these values, which drive us to do the right thing even when it’s hard. Our vision is to work with cool people on cool projects, and we want people on our team who will add to the realization of our goals.

We encourage you to ask around about us. Do some digging. We’re confident that you’ll want to learn more. And we look forward to talking with you about a future with MacKay Sposito.

Why join the MacKay Sposito team?

• A people-first culture - We are dedicated to our employees and their families. We want to do what’s best for them, and their well-being helps drive our business decisions.
• An excellent reputation - Through our 50-year history, MacKay Sposito has built and maintained an outstanding reputation in our community, and with our clients and business partners. You’ll be joining a team with a strong foundation and reputation that you can be proud to be part of.
• A focus on community - MacKay Sposito and our employees believe in giving back to the communities we serve. As a firm, we support several local organizations focused on community pillars related to veterans and youth. Our team members serve in volunteer positions as commissioners, committee and board members, youth coaches, and participate across a broad range of initiatives.

Responsibilities:

• Develop practical experience in how to resolve engineering problems and adapt approved engineering methods and standards
• Build foundational experience in how to review and interpret plans, site layouts, specifications or construction methods to ensure compliance to legal requirements and safety regulations.
• Gain hands-on experience with AutoCAD Civil3D.
• Meet deadlines, communicate and work closely in a team environment
• Prepare engineering designs and specifications on assigned portions of a project accurately and in a timely manner.
• Prepare cost estimates with quantities and cost of materials, equipment, or time and cost of labor to determine project feasibility or bond quantity amounts.
• Assist in the analysis of complex engineering data such as, design agreements, design calculations, preliminary specifications, and other technical data.

Qualifications:

• Must be currently enrolled or a recent graduate of an accredited Bachelor of Science degree with major coursework in civil engineering, environmental engineering, or a related engineering discipline, or equivalent in work experience.
• Aptitude and demonstrated hands-on experience with computer applications in Civil Engineering in AutoCAD Civil 3D (Preferred)
• Experience with stormwater modelling software (Preferred), such as WWHM2012, Autodesk SSA, Stormshed 3G, or HEC-RAS
• Excellent computer, writing, communication and customer service skills
• Proficient in Microsoft Word and Excel

Our Values:

At MacKay Sposito, we’re serious about our work, but we don’t take ourselves too seriously. We have a unique and diverse mix of employees who enjoy each other’s company. In addition to having first-rate technical skills, we search for people who are friendly, honest, and dedicated to the team and their work.

We believe in constructive candor with our clients and colleagues - sharing our full knowledge and expertise to allow for fully informed decisions. By creating a positive, committed, and supportive environment, we can challenge our people to be the best they can be and celebrate every success.

Who We Are:
With more than 50 years of experience, MacKay Sposito is a multidisciplinary firm based in Vancouver, Washington, specializing in public works, energy, and land development. Our passionate team focuses on building lasting relationships through quality work, creative design, and collaboration. We offer civil engineering, land surveying, environmental science and permitting, landscape architecture, and construction management and inspection services. With the addition of our subsidiary, Riparia Environmental, we now deliver a full suite of services from design and engineering to maintenance and environmental compliance. Together, we balance development with environmental stewardship and sustainability.

Please note that the salary information shown below is a general guideline only. Salaries are based on candidate experience and qualifications, as well as various market and business considerations.

The wage for this position is $22.00-$25.00 per hour, depending on experience.

Employment requires passing a pre-employment background check and drug screen.
As a federal Contractor, we participate in E-Verify and are proud to be an Equal Employment Opportunity Employer.
Applications will be reviewed on an ongoing basis.
Open until filled

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