Transportation Design Engineer — Roadway & Corridor Projects

gpac LLC.; Downers Grove (IL); On-site; USD 85,000 - 120,000; Full time

Job summary

GPAC is seeking a Civil Roadway/Transportation Design Engineer in Downers Grove, IL to lead planning, design, and development of transportation projects from concept to construction documents. You will collaborate with project managers, surveyors, utilities, contractors, and public agencies to deliver safe, code-compliant roadway improvements.

You will design roadways, prepare plans and details, develop alignments, and perform geometry design per standards.

Qualifications

• Bachelor's degree in Civil Engineering or a related engineering discipline.
• Professional experience in roadway, transportation, or civil infrastructure design.
• Strong knowledge of roadway geometric design, grading, drainage coordination, and construction documentation.
• Experience with Civil 3D, MicroStation/OpenRoads, or comparable roadway design software.
• Familiarity with AASHTO standards and applicable state DOT, MUTCD, ADA, and local design requirements.
• Ability to interpret survey data, plans, specifications, and technical engineering documents.
• Strong analytical, communication, organizational, and problem-solving skills.
• Professional Engineer (PE) license preferred or required depending on position.
• EIT certification preferred for entry-to-mid-level positions.

Responsibilities

• Design roadway and transportation infrastructure projects, including new roads, widening, intersections, turn lanes, roundabouts, and rehabilitations.
• Prepare roadway plans, profiles, typical sections, grading, drainage layouts, signing and pavement-marking plans, and construction details.
• Develop horizontal/vertical alignments, corridor models, profiles, cross-sections, and earthwork quantities.
• Perform roadway geometric design per federal, state, and local standards.
• Coordinate roadway design with stormwater drainage, utilities, traffic engineering, structures, and environmental disciplines.
• Prepare calculations, quantity takeoffs, cost estimates, specifications, and construction documents.
• Review survey data and existing conditions; incorporate field data into design plans.
• Assist with permitting and agency coordination; respond to review comments and prepare permit docs.
• Conduct site visits, field investigations, and construction inspections as required.
• Review contractor submittals, RFIs, change orders, and other construction docs.
• Participate in design reviews; coordinate with clients, municipalities, agencies, and stakeholders.
• Identify design issues and develop practical, cost-effective engineering solutions.
• Support project managers with schedules, budgets, proposals, and client coordination.
• Mentor junior engineers and designers with roadway design standards and practices.

Skills

Roadway design

Analytical skills

Communication

Organizational skills

Problem-solving

Education

Bachelor's degree in Civil Engineering

Tools

Civil 3D

OpenRoads

MicroStation

Job description

GPAC is seeking a Civil Roadway/Transportation Design Engineer in Downers Grove, IL to lead planning, design, and development of transportation projects from concept to construction documents. You will collaborate with project managers, surveyors, utilities, contractors, and public agencies to deliver safe, code-compliant roadway improvements.

You will design roadways, prepare plans and details, develop alignments, and perform geometry design per standards.