Transportation Project Engineer I/II

Gonzalez Companies is a partner-managed firm providing comprehensive planning, design, and construction management services to water, sewer, and utility districts; departments of transportation; and municipalities. We are seeking a Transportation Engineer (I/II) to support our clients and community in the St. Louis area.

About the role

If you’re eager to learn, ready to make an impact, and committed to delivering personalized client service, we invite you to join our team. The base salary range reflects the company’s good faith estimate at the time of posting; final compensation will be determined by experience, skills, qualifications, internal equity, and location.

Responsibilities

• Assist in the design and development of transportation projects including roadways, intersections, pedestrian facilities, and traffic improvements.
• Prepare engineering drawings, plans, and 3D models using CAD software (e.g., MicroStation, OpenRoads, AutoCAD Civil 3D).
• Perform basic to intermediate engineering calculations, including horizontal/vertical alignments, grading, drainage, quantities, and traffic control layouts.
• Support preparation of project documents such as cost estimates, technical reports, design summaries, and bid packages.
• Conduct field visits to support data collection, condition assessments, surveying coordination, or construction observations.
• Collaborate with senior engineers, project managers, and multidisciplinary teams to develop design solutions and ensure project quality.
• Assist with preparation of MoDOT, LPA, or municipal submittals and ensure adherence to applicable design standards and guidelines.
• Review and interpret topographic surveys, geotechnical reports, environmental documents, and utility data.
• Participate in coordination with clients, utility companies, and permitting agencies as needed.
• Contribute to internal QA/QC processes, documentation, and design reviews.

Requirements

• Bachelor’s degree in Civil Engineering or related field.
• 0–5 years of experience in transportation, roadway, or municipal infrastructure design.
• Experience or familiarity with MicroStation/OpenRoads and/or AutoCAD Civil 3D.
• Understanding of geometric design principles, drainage, traffic control, and plan development.
• Ability to prepare or assist with design calculations, drawings, cost estimates, and technical documentation.
• EIT/FE preferred; required for Engineer II level. PE-track candidates strongly preferred at higher level.
• Strong communication, collaboration, and problem-solving skills, with ability to work independently as experience grows.
• Familiarity with DOT, LPA, or municipal design standards is a plus.

Benefits

• Competitive salary ($30.00 - $55.00/hour).
• Major medical, dental, and vision insurance.
• Flexible Spending Account and Health Savings Account.
• 401K retirement plan.
• Bonus program.
• Paid holidays and generous paid time off.
• Professional development opportunities.
• Collaborative team of creative and talented professionals.