Senior Civil/Traffic Engineer

SI Engineering, P.C.

Princeton, NJ

SI Engineering, P.C. (SIE) is a full-service consulting engineering firm headquartered in downtown Manhattan with an office in Princeton, NJ providing services in civil, structural, transportation engineering, bridge & facility inspection, construction management & inspection and lighting design. We are engaged in local community improvement projects to large, high-profile, multi-billion-dollar infrastructure projects with a strong reputation of delivering a wide range of projects for our clients in the public sector.

SIE is looking for a Senior Civil/Traffic Engineer to support the design of various public sector infrastructure projects. This is a full-time position, reporting to either SIE’s Manhattan or Princeton office five days per week.

Responsibilities:

Leading design tasks by performing research, investigation, coordination and design, leading tasks as appropriate
Leading traffic engineering tasks which include but not limited to managing, reducing & utilizing traffic data, signal timing plans, traffic analysis, traffic impact studies, parking studies, bus routes & transit studies, signage, control, and traffic operations, etc.
Designing or evaluating geometric options for roadways and intersections and analyzing impacts of possible obstacles existing
Designing grading, drainage, pedestrian ramps and other components of streets, roadways and intersections or any horizontal facility.
Designing pavement markings, stripping, and signage
Designing Maintenance and Protection of Traffic (MPT) and Construction Staging
Developing technical drawings and details
Preparing plans, specifications and estimates of quantities
Construction support services, including submittal and RFI reviews
Preparing reports, permits, presentations or other project documents
Assisting in managing projects
Developing and enhancing civil and traffic software skills. Commonly used software include but are not limited to AutoCAD, Microstation, HCS, Synchro, Sim Traffic, and Microsoft Office

Qualification & Skills:

Bachelor’s in Civil Engineering

10+ years of experience in civil/traffic engineering design
NYS PE Required
Proficiency with AutoCAD and MicroStation
Excellent communication skills and work ethic

Expected salary range is $110,000 - $150,000 annually. Actual compensation will be dependent on the individual’s qualifications, skills, experience, and physical work location.

SI Engineering places a high value on employee wellness and wellbeing, which is reflected in our competitive benefits package:

17 PTO Days per year, with an additional PTO day for every year after five years
10 Paid Holidays per year
100% 401K Matching, up to 5% of employee income
A choice of two comprehensive health insurance plans
Dental and Vision Insurance
Term Life Insurance
Long Term Disability Insurance
Continuing Education assistance

SI Engineering, P.C. is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment and career advancement without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. We ensure nondiscrimination in all programs and activities in accordance with Title VI of the Civil Rights Act of 1964. We are committed to creating a diverse, productive and healthful work environment.

Posted 2025-07-29

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