Senior Traffic Engineer

I & S Group, Inc.; Sioux Falls (SD); On-site; USD 70,000 - 135,000; Full time

Benefits offered by this job

Medical, dental, and vision

Paid time off, pro-rated on start date

Paid holidays and paid volunteer time

Paid parental leave

Bi-annual profit sharing

Employee Ownership Stock Plan (ESOP)

401K retirement plan

Life insurance

HSA and FSA options

Bereavement leave

Supplemental voluntary benefits

Short term and long-term disability

Parking reimbursement, varies onoffice

Cell phone plan reimbursement

Mileage reimbursement for ISG-approved

Job summary

ISG is seeking a Senior Traffic Engineer to join our Civil Department in Sioux Falls, SD. This in-office role supports collaboration and mentorship across ISG offices as part of our Transportation team.

You will lead traffic engineering projects serving state DOTs, cities, and private clients, evaluating demand management and land-use strategies to address traffic challenges.

Qualifications

• Bachelor’s degree in Civil Engineering or closely related discipline.
• PE licensed, required.
• PTOE certification, preferred.
• Minimum of 5 years of relevant professional experience in civil engineering or related field.

Responsibilities

• Collect traffic data, perform intersection evaluations, complete traffic and corridor studies, and conduct analyses using simulation and modeling software.
• Lead projects in traffic related design including traffic signal and roundabout plans, roadway lighting plans, signing and striping plans, construction staging and traffic control plans.
• Prepare preliminary and final designs and develop construction plans, specifications, and cost estimates.
• Build and strengthen client relationships by actively listening and understanding their goals, priorities, and expectations.
• Act as a technical resource within the organization, providing expertise and guidance on transportation projects.
• Serve as a mentor and leader for local ISGers that demonstrates a high degree of professionalism.
• Support additional initiatives and responsibilities as assigned to contribute to team and organizational success

Skills

5+ years civil engineering experience

Project leadership

Mentorship/teambuilding

Education

Bachelor’s degree in Civil Engineering

PE license

PTOE certification (preferred)

Job description

Senior Traffic Engineer

Department: Civil

Employment Type: Full Time

Location: Sioux Falls, SD

Compensation: $70,000 - $135,000 / year

Description

Founded in 1973, ISG is a nationally recognized, multi-disciplinary firm delivering full-service architecture, engineering, environmental, and planning solutions. We’re excited to grow our Transportation team with the addition of a Senior Traffic Engineer. This position can be based in any ISG office location. We believe we are better together, and this role is designed as an in-office position to support collaboration, mentorship, and team connection across our offices.

In this role, you will work closely with Will Kratt, PE, PTOE, Transportation Business Unit Leader, and Barrett Hubbard, PE, PTOE, Transportation Engineer to lead traffic engineering projects to serve state departments of transportation, city, and private sector clients. This includes evaluating travel demand management and how traffic challenges may be manageable through actions such as thoughtfully planned land use strategies.

We’re proud to support clients across the country with creative, forward-thinking solutions. ISG employee owners are motivated by a shared goal to stretch the limits of great design and go above and beyond to positively influence each other, our clients, and the communities we serve. If this sounds like a mission and culture you want to invest in, explore your career potential within our Transportation team.

Key Responsibilities

• Collect traffic data, perform intersection evaluations, complete traffic and corridor studies, and conduct analyses using simulation and modeling software
• Lead projects in traffic related design including traffic signal and roundabout plans, roadway lighting plans, signing and striping plans, construction staging and traffic control plans
• Prepare preliminary and final designs and develop construction plans, specifications, and cost estimates
• Build and strengthen client relationships by actively listening and understanding their goals, priorities, and expectations
• Act as a technical resource within the organization, providing expertise and guidance on transportation projects
• Serve as a mentor and leader for local internal ISGers that demonstrates a high degree of professionalism
• Support additional initiatives and responsibilities as assigned to contribute to team and organizational success

We’ve listed a compensation range that reflects our expectations for this role, including both direct and indirect components. We understand that your experience and value may fall outside of this range. If you feel you're a strong fit but your compensation needs differ, we’re open to a conversation—let’s talk.

Skills, Knowledge and Expertise

• Minimum of 5 years of relevant professional experience in civil engineering or related fields
• Bachelor’s degree in Civil Engineering or a closely related discipline
• PE licensed, required
• PTOE certification, preferred

Benefits

• Medical, dental, and vision
• Paid time off, pro-rated amount available on your start date
• Paid holidays and paid volunteer time
• Paid parental leave
• Bi-annual profit sharing
• Employee Ownership Stock Plan (ESOP)
• 401K retirement plan
• Life insurance
• HSA and FSA options
• Bereavement leave
• Supplemental voluntary benefits
• Short term and long-term disability
• Parking reimbursement, varies on office location
• Cell phone plan reimbursement
• Mileage reimbursement for ISG-approved travel