Senior Traffic Engineer/modeler
Greenman-Pedersen Inc

Manhattan, New York

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GPI offers excellent benefits, including a 401(k) plan, ESOP, medical/dental/vision plans, paid time off, and more. GPI is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, disability, or protected veteran status.

Notice To Third-Party Agencies

GPI does not accept unsolicited resumes from recruiters and/or agencies. Any staffing/employment agency, person, or entity that submits an unsolicited resume to this site does so with the understanding that the applicant's resume will become the property of GPI and has the right to hire that applicant at its discretion and without any fee owed to the submitting staffing/employment agency, person or entity.

GPI will not pay a placement fee unless the agency or recruiter has a signed contract with GPI's Corporate Human Resources department in advance of submitting a candidate for consideration. Staffing/employment agencies must submit applicants to the designated GPI recruiter to be eligible for a placement fee. Verbal and written approvals will not be considered a valid contract for service.

Work Authorization

In compliance with the Immigration Reform and Control Act of 1986, we will hire only U.S. citizens and aliens lawfully authorized to work in the United States (if the position is or will be one that is subject to U.S. law). Verification of employment eligibility will be required at the time of hire. Visa sponsorship is typically not available for entry-level positions. GPI participates in E-Verify. Know your Right to Work.
Job Description

GPI seeks a Senior Traffic Engineer/Modeler to join our New York team and report to our office in either Babylon or Manhattan. We are seeking someone with excellent knowledge in traffic engineering and transportation modeling (micro, meso, and macro) who can ultimately lead our business development activities to expand our array of complex traffic simulation modeling projects.

At GPI, we aim to focus on attracting and developing people who share our passion and commitment to the various public and private clients we serve and embody our strategic objectives, with employee satisfaction as our #1 goal. Candidates will be received into a highly successful organization where their goals are achievable, and they will experience great culture, career-oriented development and advancement, a robust salary, and competitive benefits.

Do you value a company that puts employee satisfaction and diversity at the forefront of who they are? If so, GPI wants you!

GPI is a multi-discipline engineering firm that has been providing planning, design, and construction services for transportation infrastructure and building system projects throughout the United States for over 50 years. Ranked in the Top 100 Firms by Engineering News Record, GPI is a forward-thinking, innovative firm with a culture that is committed to excellence and fosters staff empowerment. For more information visit:


  • Direct efforts to promote GPI's transportation modeling services.
  • Integrate our modeling services with other engineering disciplines.
  • Develop scope, schedules, and fee estimates for various pursuits.
  • Prepare proposals and marketing materials.
  • Present our modeling capabilities and project results to existing and potential clients.
  • Evaluate varying data sources (crash data, probe data, origin-destination data) to identify trends and potential solutions.
  • Train and mentor staff on traffic modeling processes and software.
  • M.S. in Civil Engineering with 10+ years of relevant work experience.
  • Possess an EIT and working towards registering as a Professional Engineer in NY.
  • Thorough understanding of capabilities, limitations, and use of traffic analysis tools, e.g., VISSIM, Aimsun, TransModeler, Cube, VISUM, Synchro/SimTraffic, SIDRA, HCS, and the New York Best Practices Model (NYBPM).
  • Excellent verbal and written communication skills.


  • Maintain a valid driver's license with a clean motor vehicle report (MVR) for final consideration
  • Read, write, and understand plans and directions given in the English language
  • Basic computer skills with the ability to create and edit Microsoft Word and Excel documents, create Outlook emails and utilize SharePoint and Microsoft Teams to communicate with other team members
  • Able to wear GPI required PPE, i.e., hard hats, safety vest, work boots, and/or safety glasses/goggles while working


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