Engineer III - Traffic Alta is looking for an Traffic Engineer III to join our traffic group in our Oakland office. In this role, you will support and lead traffic engineering analysis, safety and planning studies, and design tasks for sustainable transportation projects focused on making a positive impact on communities around the country. About Alta Alta is a mission‑driven company working to mitigate climate change and advance safety and social justice by shaping sustainable, people‑centered communities.

We bring together expertise across planning, design, engineering, education and encouragement programs, and community engagement to help communities thrive. Our work is grounded in the belief that how places are designed and experienced has a profound impact on equity, health, and opportunity—and that people should always be at the heart of those decisions. Founded in 1996, Alta was at the forefront of the active transportation movement and has spent nearly 30 years partnering with communities to imagine a more connected, resilient, and inclusive future.

Today, with more than 225 staff across the United States and beyond, we are a global leader in creating environments that support everyday life, strengthen human connection, and respond to the challenges of a changing world. Alta offers the opportunity to collaborate across disciplines, contribute to meaningful work at every scale, and be part of a team committed to making lasting, positive change for people and the places they call home.

Responsibilities

for this role include: Lead and support conceptual design plans and engineering-backed recommendations in partnership with safety, planning, and design teams. Conduct multimodal traffic engineering analyses, including traffic operations, safety assessments, corridor/intersection studies, signal operations review, and traffic simulation/modeling. Prepare traffic signal timing and retiming evaluations, including signal timing sheets and implementation support as needed.

Develop cost estimates for safety, planning, and engineering projects. Develop traffic signal plans, street lighting plans, ITS design, signing/striping layouts, temporary traffic control plans (TCPs), and PS&E packages using AutoCAD and/or MicroStation. Apply MUTCD, Caltrans, NACTO, FHWA, and local agency standards to analysis findings and design solutions.

Collaborate with engineers and planners to integrate bicycle, pedestrian, transit, accessibility, and safety enhancements into projects. Support quality control, constructability review, and coordination with clients and partner disciplines. Mentor junior staff in traffic analysis, design best practices, and project delivery.

Implement best practices and process improvements to enhance project efficiency and consistency. Support traffic group leadership with business development, scopes, fee estimates, proposals, and client coordination. Lead and support conceptual design plans and engineering-backed recommendations in partnership with safety, planning, and design teams.

Conduct multimodal traffic engineering analyses, including traffic operations, safety assessments, corridor/intersection studies, signal operations review, and traffic simulation/modeling. Prepare traffic signal timing and retiming evaluations, including signal timing sheets and implementation support as needed. Develop cost estimates for safety, planning, and engineering projects.

Develop traffic signal plans, street lighting plans, ITS design, signing/striping layouts, temporary traffic control plans (TCPs), and PS&E packages using AutoCAD and/or MicroStation. Apply MUTCD, Caltrans, NACTO, FHWA, and local agency standards to analysis findings and design solutions. Collaborate with engineers and planners to integrate bicycle, pedestrian, transit, accessibility, and safety enhancements into projects.

Support quality control, constructability review, and coordination with clients and partner disciplines.