PRINCIPAL TRAFFIC
ENGINEER – TRANSPORTATION SYSTEMS & ROAD SAFETY (FULL-TIME)
DEPARTMENT:
Engineering
SALARY:
$103,915.39 – $121,415.39
SCHEDULE:
Full-Time (Flexible hybrid schedule available)
LOCATION: Mercer
County, NJ
POSITION OVERVIEW:
Mercer County is seeking a full-time Principal Traffic
Engineer to lead complex traffic engineering and roadway safety projects that
impact daily travel throughout the region. This transportation engineering role
is responsible for planning, designing, and implementing traffic control
systems that support public safety, mobility, and road infrastructure
improvements.
The successful Principal Traffic Engineer will apply traffic
studies, roadway design, and safety analysis to implement data-driven
transportation solutions. This position offers a flexible hybrid schedule and
the opportunity to work on projects that make a real impact on the quality of
life in Mercer County.
REQUIREMENTS OF THE
PRINCIPAL TRAFFIC ENGINEER:
- The Principal Traffic Engineer must possess a bachelor's
degree in Engineering from an accredited college or university.
- A valid Professional Engineer (PE) license issued by the NJ
State Board of Professional Engineers and Land Surveyors may substitute for the
degree requirement.
- The Principal Traffic Engineer must have a valid New Jersey
Driver's License.
- The Principal Traffic Engineer must have a minimum of three
(3) years of experience in traffic engineering, including traffic design,
transportation analysis, and roadway systems.
- A master's degree in Engineering may substitute for one year
of required experience.
RESPONSIBILITIES OF
THE PRINCIPAL TRAFFIC ENGINEER:
- The Principal Traffic Engineer will conduct and manage
traffic engineering studies, including data collection and traffic pattern
analysis.
- The Principal Traffic Engineer will design and implement
traffic control systems such as signals, signs, and pavement markings.
- The Principal Traffic Engineer will develop roadway safety
solutions to improve mobility and reduce traffic accidents.
- The Principal Traffic Engineer will collaborate with
municipal, county, and state agencies to resolve regional traffic and
transportation issues.
- The Principal Traffic Engineer will lead field
investigations, supervise project implementation, and evaluate system
effectiveness.
KNOWLEDGE, SKILLS,
ABILITIES:
- In-depth knowledge of transportation engineering, roadway
design, and traffic operations.
- Proficiency in traffic modeling tools, transportation data
analysis, and engineering software.
- Strong leadership and project management skills.
- Excellent communication skills to explain technical concepts
and present findings.
- Commitment to public service and improving community safety
through transportation engineering.
BENEFITS OF WORKING
WITH MERCER COUNTY:
Mercer County offers a competitive and comprehensive
benefits package designed to support employee well-being and career
development, including:
- Access to health and wellness coverage
- Enrollment in retirement and deferred compensation plans
- Generous paid time off and leave benefits
- Opportunities for training, tuition assistance, and
continuing education
Mercer County EEO/ Civil Service
Statement & Residency Requirements:
Mercer County is an Equal Opportunity Employer, committed to fostering a diverse, inclusive, and accessible workplace. We provide equal employment opportunities to all individuals regardless of race, creed, color, national origin, nationality, ancestry, age, sex, gender, pregnancy, marital status, civil union status, domestic partnership status, familial status, religion, affectional or sexual orientation, gender identity or expression, atypical hereditary cellular or blood trait, genetic information, liability for service in the Armed Forces of the United States, disability, or any other protected characteristic under federal, state, or local law.
As a Civil Service employer under the State of New Jersey, all candidates must comply with New Jersey Civil Service Commission regulations and guidelines. Mercer County residency is required. Non-residents must establish residency within one (1) year of employment.
Mercer County is also committed to providing reasonable accommodations in accordance with the Americans with Disabilities Act (ADA) and applicable state laws, specifically in accordance with the New Jersey State Policy Prohibiting Discrimination in the Workplace.

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