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Intern/Co-op - Highway/Roadway Engineering (Summer 2027)

Langan Engineering and Environmental Services, LLC

Doylestown, PAInternshipPosted 1mo agoStill listed today

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At a glance

Compensation
No compensation found
Location
Doylestown, PA
Role Type
Co-op
Schedule
Internship
Work Authorization
Not specified

Olive lists jobs from US employers, including remote roles you can work from the United States.

Job overview

Langan is seeking an Intern/Co-op – Highway/Roadway Engineering to join its team in Doylestown, Pennsylvania. The intern will assist with the design and permitting of transportation and infrastructure projects, including highways, freeways, and local roads, in a cross-disciplinary learning environment. The role offers hands-on experience in engineering design and project work.

Skills & qualifications

RequiredNice to have

Skills

Highway Design, nice to haveRoadway Design, nice to haveTraffic Signalization, nice to haveRoadway Drainage Design, nice to haveStormwater Management, nice to haveConstruction Cost Estimating, nice to haveAutoCAD Civil 3D, nice to haveGuidesign, nice to haveAutoTURN, nice to haveAutoCAD, nice to haveMicroStation, nice to haveSoftDesk, nice to haveCommunication, nice to haveAttention to Detail, nice to haveAnalytical Judgment, nice to haveIndependent Work, nice to haveTeamwork, nice to have

Qualifications

Civil or Traffic Engineering or Transportation Planning, requiredGPA 3.0+, nice to have

Full job description

Langan provides expert land development engineering and environmental consulting services for major developers, renewable energy producers, energy companies, corporations, healthcare systems, colleges/universities, and large infrastructure programs throughout the U.S. and around the world. Our employees collaborate seamlessly among 50+ offices and gain valuable hands-on experience that fosters career growth. Langan culture is entrepreneurial from advancing innovative technical solutions, to participating in robust training and knowledge sharing, to making progressive change within the communities we live and work.

Consistently ranked among the top ten “Best Firms to Work For” and Engineering News-Record’s top 50 firms worldwide, Langan attracts and retains the best talent in the industry. Employees thrive at Langan, a firm that fosters an inclusive and supportive work environment for all; prioritizes wellbeing, health, and safety; encourages volunteerism and philanthropy; offers workplace flexibility, along with carbon-neutral office spaces; and empowers individuals to contribute their skills and knowledge to make impactful contributions.

Job Summary

Langan is seeking a Intern/Co-op – Highway/Roadway Engineering to join its collaborative team in Doylestown, PA. This individual will serve a key function in the engineering design of highways, freeways and local roads for diversified transportation projects across the country. In this role, you will have the opportunity to assist with the design and permitting of traffic/transportation engineering and infrastructure projects in a cross-disciplinary learning environment.

Job Responsibilities

  • Geometric designs of highways, freeways, and local roads using national and local codes;

  • Concept layout and preliminary design of roads;

  • Preparation of Traffic Signalization drawings and plans;

  • Design of roadway drainage networks and preparation of stormwater management plans;

  • Construction specifications review and estimating of costs and quantities;

  • Preparation of Maintenance and Protection of Traffic Plans (MPT);

  • Use engineering equipment and design software (AutoCAD Civil 3D, Guidesign, AutoTURN, etc.) to prepare engineering and design documents;

  • Complete ADA inspections of constructed facilities; and

  • Perform other duties as requested.

Qualifications

  • Student actively pursuing a four year or advanced degree in Civil or Traffic Engineering / Transportation Planning;

  • Cumulative GPA of 3.0 or greater is preferred;

  • Familiarity with Guidesign and AutoTURN is highly desirable;

  • Knowledge of AutoCAD, MicroStation and/or SoftDesk civil software are a plus;

  • Excellent communication skills, written and verbal;

  • Strong attention to detail with excellent analytical and judgment capabilities;

  • Ability to effectively work independently and in a team environment; and

  • Travel may be required based on business needs and project assignments. Travel requirements may vary by position and may change based on business needs.

Please submit your resume. Preference will be given to students who are currently in their Jr. or Sr. year or to students pursuing their MS degree.

Langan does not provide housing or relocation assistance for internship/co-op positions.

Langan offers employee resource groups; flexible work schedules; extensive training; wellness programs; buddy and mentoring programs; and much more!

Langan is committed to providing equal employment opportunities to all qualified applicants and employees, including individuals with disabilities and protected veterans. We believe that an inclusive workplace is essential for the well-being and success of our employees.

Please review our Applicant Privacy Notice at Collection to understand how we collect, use, and retain your personal information: https://www.langan.com/langan-notice-at-collection

How this job compares

Set against the 1,396 open Civil Engineering jobs on Olive Jobs, counted November 10, 2026.

Pay
  • This postingNot listed
  • US median$100–140K/yr446 salary ranges
  • US median$22–30/hr291 hourly ranges
Openings
Olive Jobs lists 65 open Civil Engineering jobs in Pennsylvania and 1,396 across the US. 4% of them nationwide are listed as remote or flexible.
Hiring the most in Pennsylvania
Experience
Civil Engineering postings that state a minimum ask for 7 years of experience at the median; the middle half ask for 4 to 10 years (711 postings).
Education
682 of the 1,396 open Civil Engineering jobs (49%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on November 10, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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