Senior Traffic Engineer

The Senior Traffic Engineer role supports the continued expansion and strengthening of The LiRo Group’s transportation practice from planning through construction, with a focus on traffic engineering leadership for bridge, roadway, and related infrastructure projects for NJDOT and NYSDOT clients.

Location

Edison, NJ (onsite)

Compensation

• USD 140,000 - 170,000 per year
• Exact compensation will be determined based on the individual candidate’s qualifications and location

Summary

This position is based in the Edison, NJ office and is designed to grow multidisciplinary transportation capabilities. The work emphasizes technical authority, practice growth, and integrated traffic engineering deliverables across bridge and roadway assignments.

Responsibilities

• Perform and review traffic engineering analyses, including capacity analysis, signal analysis, intersection evaluations, and corridor studies (e.g., Synchro, HCS)
• Lead and oversee preparation of Maintenance & Protection of Traffic (MPT) and staging plans for bridge and roadway projects
• Develop traffic control, signing, and pavement marking plans in accordance with NJDOT, NJTA, NYSDOT, NYCDOT, and MUTCD standards
• Support and lead traffic impact studies and operational improvement projects
• Coordinate with structural and civil engineers to create practical, cost-effective, and constructible staging solutions
• Act as task lead and technical authority on traffic-related assignments
• Participate in site visits and constructability reviews to evaluate existing traffic conditions
• Provide technical support during construction administration
• Assist with agency coordination and client engagement related to traffic and work zone impacts
• Contribute to proposals, qualifications packages, and business development activities to strengthen the firm’s transportation resume

Requirements

• Bachelor of Science in Civil Engineering or Bachelor of Science in Electrical Engineering (transportation focus preferred)
• 8–25 years of traffic engineering experience, including DOT project experience
• NJ PE required; NY PE strongly preferred or ability to obtain
• PTOE certification preferred
• Demonstrated experience with NJDOT, NJTA, NYSDOT, or NYCDOT standards and procedures
• Strong background in MPT/staging and work zone traffic control
• Experience using traffic analysis software such as Synchro, HCS, VISSIM, or similar tools
• Signal design and timing experience preferred
• AutoCAD proficiency preferred; MicroStation experience is a plus
• Ability to manage multiple assignments, mentor junior staff, and work as part of a team
• Strong written and verbal communication skills
• Must be authorized to work in the United States; visa sponsorship is not available for this role

Technologies

• Synchro
• HCS
• VISSIM
• AutoCAD
• MicroStation
• MUTCD

Benefits

• Comprehensive benefits package and a positive work environment
• Compensation range: Minimum $140,000 to Maximum $170,000 per year

Growth Opportunity

• Part of a strategic initiative to expand multidisciplinary transportation capabilities
• Opportunity to help define processes, grow internal talent, and build a scalable traffic engineering group
• Role includes ownership and contribution toward long-term practice development

Culture

• Collaboration-focused approach
• Culture designed to empower employees to share ideas and ensure contributions are recognized
• Emphasis on enabling employees to maximize their full potential