Senior Traffic Engineer; Part-time

Hanson Values

Integrity | Commitment | Quality | Relationships | Innovation

If you're looking for a firm that encourages innovative thinking and challenges you every day, with an opportunity to learn and advance, a career at Hanson is right for you. The belief in sustainability within our company's practices creates a focus on client success and partnerships that are important to our communities and our environment.

If you're looking for a firm where you can contribute your expertise, mentor the next generation of engineers, and help deliver meaningful transportation improvements throughout Illinois, Hanson Professional Services may be the place for you.

We are seeking a Senior Traffic Engineer (Part-Time) to provide technical leadership, quality assurance/quality control oversight, and subject matter expertise for transportation projects. This position will support traffic engineering, roadway design, intersection design, transportation planning, and related infrastructure projects while ensuring that deliverables meet Hanson quality standards, client expectations, and applicable design criteria.

This position offers flexibility with hours based on workload and may be based in our Chicago, Lisle, Peoria, or Springfield, Illinois offices
, with hybrid and remote work flexibility available.

As a senior technical resource, you will provide independent reviews and oversight for a variety of transportation projects. Responsibilities may include:

• Leading QA/QC reviews for traffic engineering, roadway design, transportation planning, and intersection improvement projects.
• Reviewing plans, calculations, reports, specifications, cost estimates, and technical documents for accuracy, constructability, and compliance with applicable standards.
• Evaluating traffic operations analyses, safety studies, traffic impact assessments, signal warrant analyses, and intersection design recommendations.
• Reviewing roadway geometric design elements, including horizontal and vertical alignments, intersection layouts, lane configurations, and multimodal accommodations.
• Verifying compliance with applicable federal, state, and local requirements, including MUTCD, AASHTO, ADA, and agency-specific standards.
• Identifying design risks, conflicts, and quality concerns while recommending practical and effective solutions.
• Providing technical guidance and mentoring to engineers, designers, and project teams.
• Supporting project managers in maintaining quality throughout project development and delivery.
• Participating in technical reviews, workshops, lessons learned sessions, and continuous improvement initiatives.
• Assisting with proposal development, technical approaches, staffing strategies, and client presentations as needed.

• Bachelor's degree in Civil Engineering or a related engineering field.
• Professional Engineer (PE) license required.
• Minimum 15 years of experience in traffic engineering, roadway design, transportation planning, or related transportation infrastructure projects.
• Demonstrated experience reviewing transportation project deliverables for technical accuracy and compliance.
• Strong knowledge of MUTCD, AASHTO, ADA, IDOT, and local agency design standards and procedures.
• Experience conducting or reviewing traffic operations analyses, traffic studies, safety evaluations, and roadway design plans.
• Strong written and verbal communication skills.
• Ability to work independently while collaborating effectively with multidisciplinary teams.

• Illinois Professional Engineer license or ability to obtain through reciprocity.
• Experience supporting projects for IDOT, local agencies, municipalities, and public-sector transportation clients.
• Prior…