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Engineer Co Op Jobs in Washington (NOW HIRING)

Co-op / Internship Engineers

Washington, DC · On-site

$17.75 - $23.25/hr

Co-op Engineer Daily Life * Planning and execution of day-to-day project operations.Like to be outside and not stuck behind a desk all day? You'll be based on exciting and fast-paced construction ...

Co-op / Internship Engineers

Washington, DC · On-site

$17.75 - $23.25/hr

Co-op Engineer Daily Life * Planning and execution of day-to-day project operations. Like to be outside and not stuck behind a desk all day? You'll be based on exciting and fast-paced construction ...

Co-op / Internship Engineers

Washington, DC · On-site

$17.75 - $23.25/hr

Co-op Engineer Daily Life * Planning and execution of day-to-day project operations. Like to be outside and not stuck behind a desk all day? You'll be based on exciting and fast-paced construction ...

Fall 2026 Co-op

Annapolis Junction, MD · On-site

$17.25 - $19.75/hr

The Co-op Program at Kokosing is designed to provide you with practical construction industry ... Project Engineering * SafetySpecialist * Surveying * Estimating * Marine Work * Project Design ...

Fall 2026 Co-op

Annapolis Junction, MD · On-site

$16 - $18.50/hr

The Co-op Program at Kokosing is designed to provide you with practical construction industry ... Project Engineering * SafetySpecialist * Surveying * Estimating * Marine Work * Project Design ...

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Showing results 1-20

Engineer Co Op information

See Washington salary details

$41.9K

$98.8K

$154.6K

How much do engineer co op jobs pay per year?

As of Aug 7, 2026, the average yearly pay for engineer co op in Washington is $98,785.00, according to ZipRecruiter salary data. Most workers in this role earn between $86,600.00 and $110,400.00 per year, depending on experience, location, and employer.

What is the difference between Engineer Co Op vs Engineer Intern?

AspectEngineer Co OpEngineer Intern
CredentialsTypically enrolled in an engineering degree program, may require specific courseworkUsually undergraduate students in engineering programs
Work EnvironmentFull-time or part-time paid positions, often integrated into the company’s workflowUsually unpaid or paid internships, shorter duration
Employer & Industry UsageCommon in engineering firms, manufacturing, and tech companiesCommon in similar industries, often as a stepping stone to full employment

Engineer Co Op positions are structured as paid, longer-term roles that provide practical experience during a student's academic career. Engineer Intern roles are typically shorter, often unpaid, and serve as introductory exposure to engineering work. Both roles help students gain industry experience, but Co Op positions usually involve more responsibilities and integration into ongoing projects.

What are the most commonly searched types of Engineer jobs in Washington? The most popular types of Engineer jobs in Washington are:
What cities in Washington are hiring for Engineer Co Op jobs? Cities in Washington with the most Engineer Co Op job openings:
Infographic showing various Engineer Co Op job openings in Washington as of July 2026, with employment types broken down into 1% As Needed, 75% Full Time, 20% Part Time, 1% Temporary, and 3% Contract. Highlights an 95% Physical, 1% Hybrid, and 4% Remote job distribution, with an average salary of $98,785 per year, or $47.5 per hour.

Fall Project Engineer Co-Op

American Contracting & Environmental Services Incorporated

Washington, DC • On-site

Full-time

Re-posted 5 days ago


Job description

About Company:

American Contracting & Environmental Services (ACE) is a general contractor specializing in self-perform construction of water and wastewater treatment facility construction. They are a premier builder of these projects in the Mid-Atlantic and have recently opened offices in Richmond and Chesapeake, VA and Buffalo, NY. They find success through focusing on continuous improvement and investing in the professional development of their employees. ACE has steadily grown over the past 21 years and they are consistently ranked a Top 200 Environmental Contractor by Engineering & News Record (ENR). Through continually enhancing their work processes, they produce the highest quality finished product for their clients. These efforts result in a challenging and rewarding environment as ACE's daily work preserves and improves our world‘s most precious resource – water!

About the Role:

The Project Engineer Co-Op offers a unique opportunity to gain hands-on experience in managing and supporting engineering projects from inception through completion. This fall co-op runs from August through January, providing students with an extended opportunity to immerse themselves in the construction and engineering industry while gaining real-world project experience. Co-op students will collaborate closely with experienced engineers and project managers to help ensure projects meet technical specifications, timelines, and budgetary constraints. This role is designed to develop your understanding of project lifecycle management, including planning, coordination, and problem-solving within a dynamic engineering environment. You will contribute to the preparation of technical documentation, assist in the analysis of project data, and support communication between cross-functional teams. Ultimately, this co-op aims to equip you with practical skills and insights that will serve as a strong foundation for a career in engineering project management.

Minimum Qualifications:

  • Currently enrolled in a Bachelor’s degree program in Engineering, Construction Management, or a related field.
  • Strong foundational knowledge of engineering principles and project management concepts.
  • Proficiency in Microsoft Office Suite, particularly Excel and PowerPoint.
  • Excellent verbal and written communication skills.
  • Ability to work collaboratively in a team-oriented environment.

Preferred Qualifications:

  • Experience with project management software such as Microsoft Project or Primavera.
  • Familiarity with CAD software or other engineering design tools.
  • Previous internship or project experience in an engineering or construction setting.
  • Basic understanding of budgeting and cost control in projects.
  • Strong analytical and problem-solving abilities.

Responsibilities:

  • Assist in the development and review of project plans, schedules, and budgets to support engineering initiatives.
  • Collaborate with engineering teams to gather and analyze technical data, ensuring project requirements are met.
  • Support the preparation of technical reports, presentations, and documentation for internal and external stakeholders.
  • Monitor project progress and help identify potential risks or issues, proposing solutions to maintain project timelines.
  • Participate in meetings with project teams and clients to facilitate effective communication and coordination.

Skills:

The required skills such as proficiency in Microsoft Office and strong communication abilities are essential for preparing project documentation, analyzing data, and facilitating clear communication among team members. Preferred skills like familiarity with project management software and CAD tools enhance your capability to contribute more effectively to technical planning and design tasks. Analytical and problem-solving skills are applied daily to identify project challenges and develop practical solutions that keep projects on track. Collaboration skills enable you to work seamlessly with diverse teams, ensuring alignment and efficient progress. Overall, these skills collectively support your growth as a competent project engineer capable of managing complex engineering projects.