Intern/Co-op – Traffic Engineering (Summer 2027)

Langan Engineering & Environmental Services is hiring an Intern/Co-op – Traffic Engineering (Summer 2027) in New York, NY. When: Summer 2027. Posted September 28, 2026. Checked against the employer's posting on November 13, 2026.

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 – Traffic Engineering to join its collaborative team in New York, NY. This individual will serve a key function in providing assistance with Traffic/Transportation project work.

In this role, you will have the opportunity to get exposure to transportation impact studies, parking studies, traffic event management for large stadiums, transportation master planning, traffic signal design, and Highway Occupancy Permit (HOP) plans & designs.

Job Responsibilities • Perform traffic observation; • Prepare technical reports, calculations, design plans and specifications for traffic/transportation projects such as transportation impact studies, highway occupancy permits, traffic signals, traffic and pedestrian circulation, and transportation master plans; • Observe construction; 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 HCS, SYNCHRO and the MUTCD 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. Certain US jurisdictions require Langan to include an estimate of salary or hourly ranges.

Actual compensation may vary based on factors such as related work experience, location, market conditions, education/training, certifications and other credentials, as well as applicable knowledge and skills.

Certain roles may be eligible for overtime and participation in the firm's annual bonus and performance review program. Bonuses are discretionary and based on individual job performance and the profitability of the firm.

Employees are also eligible to receive up to 20 days of paid vacation time, 10 days of paid sick time and 10 paid holidays throughout the year. Eligibility and actual paid time off may vary based on local law and factors such as hours worked, related work experience and level.

Pay Range $25—$32 USD Please review our Applicant Privacy Notice at Collection to understand how we collect, use, and retain your personal information: https://www.

langan.