Traffic Engineer

Maricopa County; United States; On-site; USD 90,000 - 133,750; Full time

Benefits offered by this job

Tuition reimbursement

Work-life balance

Healthcare

Child care

Vacation time

Wellness program

Arizona State Retirement System

Job summary

Maricopa County is seeking a Traffic Engineer to lead planning, design, analysis, and review of a variety of traffic engineering projects. You will apply advanced technical expertise to improve traffic flow, roadway safety, and data‑driven design decisions across the county's transportation network.

Your role includes preparing and reviewing complex studies and designs, mentoring junior engineers and consultants, and guiding staff on traffic engineering issues while collaborating with leadership

Qualifications

• Two years of civil engineering experience.
• Bachelor’s degree in Civil Engineering or a related field.
• Registration as a Professional Engineer (PE) or eligibility to obtain Arizona registration within six months.
• Valid Arizona driver’s license by the time of hire.
• Experience in traffic engineering, evaluating design plans, interpreting and analyzing data, and writing technical reports.
• Knowledge of MUTCD, AASHTO, and national guidelines.
• Experience with traffic modeling software, including Synchro.
• Experience using MicroStation/AutoCAD.

Responsibilities

• Prepare and review complex traffic engineering plans for high‑complexity projects (signals, markings, signing, intersections) per standards.
• Develop design concepts, review studies, and recommend countermeasures with engineering judgement.
• Supervise staff/consultants and lead the quality control process in design and review.
• Compile, interpret, and analyze volume, speed, crash, delay data using Synchro and tools.
• Deliver projects within schedules and budgets.
• Meet with staff and the public to communicate alternatives and mitigation measures.
• Provide technical guidance on traffic engineering issues as needed.
• Other duties as assigned.

Skills

Traffic engineering

Data interpretation

Technical reporting

Education

Bachelor's degree in Civil Engineering

PE licensure or eligibility

Tools

Synchro

MicroStation/AutoCAD

Job description

Traffic Engineer

Pay Range: $90,000 - $133,750 annually. Salary offers are based on equivalent experience and internal equity with other employees within the same job classification. The position is not eligible for overtime compensation.

About the Position

As a Traffic Engineer in the Traffic Engineering Branch, you will lead the planning, design, analysis, and review of a variety of traffic engineering projects. You will apply advanced technical expertise to improve traffic flow, enhance roadway safety, and support data‑driven design decisions across Maricopa County’s transportation network. Your role will involve preparing and reviewing complex traffic engineering studies and designs such as traffic signal layouts, intersection improvements, signing and pavement marking plans, and safety enhancement projects, while providing guidance and mentorship to junior engineers and consultants.

Job Contributions

• Prepare and review traffic engineering plans for projects of high complexity, including traffic signals, pavement marking and signing, intersection improvements, and low‑cost safety improvement projects in accordance with Maricopa County and National standards and guidelines.
• Develop complex project design concepts and criteria, review complex traffic engineering studies and analysis, and make recommendations for countermeasures, exercising engineering judgement.
• Supervise and review the work of staff, contractors, or industry specialists/consultants as needed; lead the quality control process in the design and review phases of traffic engineering projects.
• Compile, interpret, and analyze volume, speed, crash, delay, and queuing data, and conduct analysis using Synchro and other tools.
• Deliver projects focused on achieving the Division goals and objectives within the schedules and budgets.
• Meet with staff at various levels, including leadership, engineers, contractors, and the public, to clearly communicate traffic engineering alternatives and mitigation measures.
• Provide technical guidance to staff, departments, the regulated community, consultants, attorneys, other regulatory agencies, and the public regarding traffic engineering issues as needed.
• Other job duties as assigned.

Qualifications

• Two years of civil engineering experience.
• 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.
• Valid Arizona driver’s license by the time of hire.
• Experience in traffic engineering, evaluating design plans, interpreting and analyzing data, and writing technical reports.
• Knowledge of traffic engineering practices and procedures, and familiarity with the latest versions of MUTCD, AASHTO, and national highway and roadway design guidelines and standards.
• Experience with traffic modeling software, including Synchro.
• Experience using MicroStation/AutoCAD.

Benefits

• 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.
• Paid vacation, sick time, and parental leave.
• Extensive wellness program, including incentives.
• Enrollment in the Arizona State Retirement System, a defined retirement benefit requiring an 11.98% per paycheck contribution rate that includes a 100% employer match on Day1.

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.

Equal Employment Opportunity Statement

Maricopa County is an equal opportunity employer and is committed to providing equal employment opportunities to all applicants. If you require a reasonable accommodation during the application process or to perform the essential functions of the position under the Americans with Disabilities Act (ADA), please contact [e-mail] to initiate the interactive process.