Civil Engineer - Entry-level Traffic Design

Greenman-Pedersen, Inc.

Location: Portsmouth, NH 03801, US
Employment Type: FULL_TIME
Industry: Advertising and Public Relations
Occupational Category: 17-2051.00 – Architecture and Engineering
Posted: Thursday, 17 September 2026
Valid Through: Saturday, 17 October 2026

Job Description

Greenman-Pedersen, Inc. is hiring a Civil Engineer - Entry-level Traffic Design in Portsmouth, NH. This is a full-time position.

Help Shape the Future of Transportation Are you passionate about improving roadway safety, reducing congestion, and enhancing mobility for communities? GPI is seeking a motivated Entry-Level Traffic Engineer to join our transportation team. This is an exciting opportunity for a recent graduate to gain hands-on experience in traffic engineering, transportation planning, and roadway design while working alongside experienced professionals on meaningful infrastructure projects. As an Entry-Level Traffic Engineer, you will contribute to traffic studies, safety analyses, signal design, traffic operations, and multimodal transportation projects that improve how people travel every day. You'll work in a collaborative environment that provides mentorship, technical training, and opportunities for professional growth as you build a rewarding career in transportation engineering. GPI is a multi-discipline engineering firm 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 committed to excellence and fosters staff empowerment. For more information, visit: www.gpinet.com Responsibilities: Assist with traffic impact studies, traffic operations analyses, and transportation planning projects.Collect, review, and analyze traffic data, including traffic counts, speed studies, and crash data.Support the design and evaluation of traffic signals, signing, pavement markings, and roadway safety improvements.Prepare engineering calculations, technical reports, and project documentation.Assist with traffic modeling and simulation using industry-standard software.Participate in field investigations and site visits to evaluate existing traffic conditions.Support roadway, intersection, and multimodal improvement projects.Coordinate with engineers, planners, clients, municipalities, and transportation agencies.Assist with permit applications and regulatory submissions.Review plans and specifications to ensure compliance with applicable standards and guidelines.Support construction-phase activities, including responding to field questions and reviewing traffic control plans. Qualifications: Bachelor's degree in Civil Engineering, Transportation Engineering, or a related field from an ABET-accredited university.Engineer-in-Training (EIT) certification or ability to obtain certification within one year preferred.Internship or co-op experience in transportation or traffic engineering is a plus.Basic understanding of traffic engineering and transportation planning principles.Familiarity with AutoCAD, Synchro, HCS, VISSIM, or similar software is a plus.Strong analytical, problem-solving, and organizational skills.Ability to work effectively in a collaborative team environment.Strong attention to detail and commitment to quality.Willingness to perform occasional fieldwork and site visits. Preferred Qualifications: Coursework in traffic engineering, transportation planning, highway design, or traffic operations.Familiarity with MUTCD, AASHTO guidelines, and DOT standards.Experience using traffic analysis and simulation software.Interest in pursuing Professional Engineer (PE) licensure and long-term growth in transportation engineering.

Education Requirements

high school

Skills

Please see the job description for required or recommended skills.

Benefits

Please see the job description for benefits.

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Index requested: 09/18/2026 04:00:47 • Indexed: 09/18/2026 04:00:47