RETTEW is seeking a Senior Traffic Engineer / Technical Lead to join our Transportation team. This role is ideal for a senior professional who wants to combine deep technical expertise with leadership, guiding complex traffic projects while helping shape the direction of our traffic engineering services. You will play a key role in delivering impactful solutions and developing the next generation of engineers.

About RETTEW

RETTEW is a 100% employee-owned engineering consulting firm delivering multidisciplinary solutions across transportation, energy, water and wastewater, environmental, and land development markets. Our work helps clients move projects forward while strengthening the communities we serve. Guided by our core values, Act Like an Owner, Value Relationships, and Exemplify Excellence, we are committed to delivering high-quality solutions and meaningful career growth.

Work Environment

Hybrid, 3 days per week in-office

Locations: Pittsburgh, Lancaster, Mechanicsburg, or Lehigh Valley, PA

Position Summary / What You’ll Do

As a Senior Traffic Engineer / Technical Lead, you will lead the technical delivery of traffic engineering services across a range of projects, from intersection improvements to corridor and network-level studies. You will serve as a trusted advisor to clients and internal teams, ensuring technical excellence while influencing project strategy, mentoring staff, and contributing to the growth of RETTEW’s transportation practice.

Responsibilities / Day-to-Day

• Serve as a technical lead on traffic engineering projects, providing direction, oversight, and quality control
• Lead traffic impact studies, signal design, corridor studies, and safety evaluations
• Analyze complex transportation challenges and develop innovative, data-driven solutions
• Oversee preparation and review of plans, specifications, and technical reports for accuracy and compliance
• Coordinate with PennDOT, municipalities, MPOs, and other stakeholders to advance projects and secure approvals
• Support and contribute to proposals, scopes, and budgets, helping position RETTEW for continued growth
• Mentor and develop junior engineers and technical staff, fostering technical excellence and career progression
• Stay current with evolving standards and best practices, including MUTCD, AASHTO, and PennDOT requirements

Qualifications

Required

• Bachelor’s degree in Civil Engineering or related field
• Professional Engineer (PE) license in Pennsylvania, or ability to obtain
• 8+ years of progressive experience in traffic engineering or transportation design
• Demonstrated experience serving as a technical lead or senior project contributor
• Proficiency in traffic analysis and modeling tools such as Synchro, HCS, or VISSIM
• Strong communication, leadership, and problem-solving skills

Preferred

• PTOE certification
• Experience with PennDOT ECMS and project delivery processes
• Experience mentoring, coaching, or supervising technical staff
• Involvement in client development, proposal support, or business development

What We Offer

• Competitive salary based on experience. RETTEW offers an Employee Stock Ownership Plan (ESOP), giving you a real stake in the company’s success and long-term value.
• Comprehensive benefits including medical, dental, vision, and retirement savings options.
• Opportunities to take on a technical leadership role, influence project direction, and help grow traffic engineering services within a respected, employee-owned firm.
• Support from our in-house training and development team, offering structured professional development, mentorship, and resources to expand both technical expertise and leadership capabilities.
• A flexible, hybrid work environment that supports both productivity and work-life balance.
• A culture where your expertise is trusted, your ideas are valued, and your contributions directly shape projects, teams, and client relationships.

RETTEW is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, sexual orientation, or gender identity), national origin, age, disability, veteran status, genetic information, or any other characteristic protected by applicable law.

If you are an individual with a disability and require a reasonable accommodation to complete any part of the application process, please contact us at jperalta@rettew.com

to request assistance.

#LI-Hybrid

Requirements listed above.