Maricopa County
Posting Date
10/17/25
Application Deadline 10/24/25
Pay Range $97,000 - $138,500 annually
Salary offers are based on the candidate's equivalent experience and internal equity with other employees within the same job classification. The position is not eligible for overtime compensation.
Job Type Unclassified
Department Transportation
About the Position As a Senior Traffic Engineer within the Traffic Engineering Branch, you will lead the planning, design, analysis, and review of complex traffic engineering projects. In this pivotal role, you will serve as a subject matter expert, provide technical leadership, supervise a team of engineers and support staff, and review the work of consultants.
Key responsibilities include developing and implementing traffic engineering design standards, identifying and designing traffic mitigation measures to enhance safety and improve traffic flow, overseeing the design of traffic control devices and systems, preparing and reviewing complex technical traffic engineering reports and analysis, mentoring and guiding junior staff, and contributing to strategic planning within the Traffic Engineering Branch. This position is ideal for professionals who are passionate about shaping and implementing innovative traffic engineering solutions while providing strong leadership and mentorship to others.
About Us We value your time. The time with your family. The time you spend on the road. And the time you spend making a difference. At the Maricopa County Department of Transportation (MCDOT), we provide connections that improve people's lives. By combining innovative technologies with the vast talent of our employees, we plan for future needs and operate a transportation system with the community in mind. Are you interested in contributing to the community in which you work, live, and play? Then, join our team and help us build connections.
Proud to Offer
Work with a greater purpose
Tuition reimbursement
Exceptional work-life balance
Opportunities for growth and development within Maricopa County
Low-cost, high-value healthcare for you and your qualifying dependents
Child care benefits, including access to our on-site center, Maricopa County Kids Club, dedicated to serving Maricopa County families exclusively
Paid vacation, sick time, and parental leave
Extensive wellness program, including healthcare premium discounts
Maricopa County participates in the Arizona State Retirement System. This defined retirement benefit requires a 12% monthly contribution rate and includes a 100% employer match on Day 1
Learn more at Work With Us | Maricopa County, AZ
We Require
Four years of related experience in civil, transportation, or traffic engineering
Bachelor's degree in Civil Engineering or a related field
Registration as a Professional Engineer (PE) by the Arizona State Board of Technical Registration, or by the technical board of another state, with the ability to obtain Arizona registration within six months of employment
Must possess or have the ability to obtain a valid Arizona driver's license by the time of hire
We Also Value
Experience with project management
Experience using MicroStation/AutoCAD and InRoads
Experience with design, review, modification, and approval of Traffic Engineering Plans and Designs, including traffic signal, Intelligent Transportation System Infrastructure, signing, pavement markings, and temporary traffic control plans
Experience in reviewing traffic signal and ITS design plans
Knowledge of Traffic Engineering practices and procedures
Experience in interpreting and analyzing data and writing technical reports
Familiar with the latest versions of the Manual on Uniform Traffic Control Devices (MUTCD), A Policy on Geometric Design of Highways and Streets (AASHTO) and National highway and roadway design guidelines and standards
Experience with traffic modeling software, including Synchro
Supervisory experience
Job Contributions
Prepare traffic engineering plans for various projects, including intersection traffic control, roadway widening, and low-cost safety improvement projects, in accordance with Maricopa County and National standards and guidelines
Write and review traffic engineering technical reports, specifications, and develop cost estimates in accordance with Maricopa County standards for traffic engineering safety projects and studies
Participate in the development of project design concepts and criteria, review traffic engineering studies and analysis, and make recommendations for the selection of appropriate countermeasures
Supervise the Traffic Design and Permit Plan Review Team and oversee the work of support staff, contractors, or industry specialists/consultants as needed; lead the quality control process in the design and review phases of traffic engineering projects and tasks, including reviewing engineering reports, project plans, cost estimates, and special provisions for projects
Conduct intersection and corridor analysis using Synchro and other tools to understand queuing, delay, and Level of Service (LOS)
Assist the Management team in assigning and delivering projects and achieving Division goals and objectives within established schedules and budgets
Provide technical guidance to other team members, other departments, consultants, attorneys, agencies, municipalities, and the public regarding traffic engineering issues
Other job duties as assigned
Working Conditions
This position requires the employee to be in the office/field or customer-facing for all hours worked
Exerting up to 10 pounds occasionally or negligible weights frequently; sitting most of the time
Position is typically office or administrative work and is not substantially exposed to adverse environmental conditions
Selection Procedure
Only the most qualified candidates will be considered
Consideration will only be given to candidates who submit online applications
Candidates will be contacted primarily through email and their Workday online application profile
Must pass a pre-employment background and/or fingerprint investigation as required by statute or policy, including drug and alcohol testing requirements for positions designated as safety-sensitive
Maricopa County is an equal opportunity employer.
Apply Now! #J-18808-Ljbffr
Application Deadline 10/24/25
Pay Range $97,000 - $138,500 annually
Salary offers are based on the candidate's equivalent experience and internal equity with other employees within the same job classification. The position is not eligible for overtime compensation.
Job Type Unclassified
Department Transportation
About the Position As a Senior Traffic Engineer within the Traffic Engineering Branch, you will lead the planning, design, analysis, and review of complex traffic engineering projects. In this pivotal role, you will serve as a subject matter expert, provide technical leadership, supervise a team of engineers and support staff, and review the work of consultants.
Key responsibilities include developing and implementing traffic engineering design standards, identifying and designing traffic mitigation measures to enhance safety and improve traffic flow, overseeing the design of traffic control devices and systems, preparing and reviewing complex technical traffic engineering reports and analysis, mentoring and guiding junior staff, and contributing to strategic planning within the Traffic Engineering Branch. This position is ideal for professionals who are passionate about shaping and implementing innovative traffic engineering solutions while providing strong leadership and mentorship to others.
About Us We value your time. The time with your family. The time you spend on the road. And the time you spend making a difference. At the Maricopa County Department of Transportation (MCDOT), we provide connections that improve people's lives. By combining innovative technologies with the vast talent of our employees, we plan for future needs and operate a transportation system with the community in mind. Are you interested in contributing to the community in which you work, live, and play? Then, join our team and help us build connections.
Proud to Offer
Work with a greater purpose
Tuition reimbursement
Exceptional work-life balance
Opportunities for growth and development within Maricopa County
Low-cost, high-value healthcare for you and your qualifying dependents
Child care benefits, including access to our on-site center, Maricopa County Kids Club, dedicated to serving Maricopa County families exclusively
Paid vacation, sick time, and parental leave
Extensive wellness program, including healthcare premium discounts
Maricopa County participates in the Arizona State Retirement System. This defined retirement benefit requires a 12% monthly contribution rate and includes a 100% employer match on Day 1
Learn more at Work With Us | Maricopa County, AZ
We Require
Four years of related experience in civil, transportation, or traffic engineering
Bachelor's degree in Civil Engineering or a related field
Registration as a Professional Engineer (PE) by the Arizona State Board of Technical Registration, or by the technical board of another state, with the ability to obtain Arizona registration within six months of employment
Must possess or have the ability to obtain a valid Arizona driver's license by the time of hire
We Also Value
Experience with project management
Experience using MicroStation/AutoCAD and InRoads
Experience with design, review, modification, and approval of Traffic Engineering Plans and Designs, including traffic signal, Intelligent Transportation System Infrastructure, signing, pavement markings, and temporary traffic control plans
Experience in reviewing traffic signal and ITS design plans
Knowledge of Traffic Engineering practices and procedures
Experience in interpreting and analyzing data and writing technical reports
Familiar with the latest versions of the Manual on Uniform Traffic Control Devices (MUTCD), A Policy on Geometric Design of Highways and Streets (AASHTO) and National highway and roadway design guidelines and standards
Experience with traffic modeling software, including Synchro
Supervisory experience
Job Contributions
Prepare traffic engineering plans for various projects, including intersection traffic control, roadway widening, and low-cost safety improvement projects, in accordance with Maricopa County and National standards and guidelines
Write and review traffic engineering technical reports, specifications, and develop cost estimates in accordance with Maricopa County standards for traffic engineering safety projects and studies
Participate in the development of project design concepts and criteria, review traffic engineering studies and analysis, and make recommendations for the selection of appropriate countermeasures
Supervise the Traffic Design and Permit Plan Review Team and oversee the work of support staff, contractors, or industry specialists/consultants as needed; lead the quality control process in the design and review phases of traffic engineering projects and tasks, including reviewing engineering reports, project plans, cost estimates, and special provisions for projects
Conduct intersection and corridor analysis using Synchro and other tools to understand queuing, delay, and Level of Service (LOS)
Assist the Management team in assigning and delivering projects and achieving Division goals and objectives within established schedules and budgets
Provide technical guidance to other team members, other departments, consultants, attorneys, agencies, municipalities, and the public regarding traffic engineering issues
Other job duties as assigned
Working Conditions
This position requires the employee to be in the office/field or customer-facing for all hours worked
Exerting up to 10 pounds occasionally or negligible weights frequently; sitting most of the time
Position is typically office or administrative work and is not substantially exposed to adverse environmental conditions
Selection Procedure
Only the most qualified candidates will be considered
Consideration will only be given to candidates who submit online applications
Candidates will be contacted primarily through email and their Workday online application profile
Must pass a pre-employment background and/or fingerprint investigation as required by statute or policy, including drug and alcohol testing requirements for positions designated as safety-sensitive
Maricopa County is an equal opportunity employer.
Apply Now! #J-18808-Ljbffr