Senior Traffic Design Engineer, Professional Engineer - MOT and Signing

The Mannik & Smith Group, Inc.

The Mannik & Smith Group, Inc.

Design

USD 90k-125k / year

Posted on Jun 2, 2026
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At Horrocks, we believe the best work comes from companies with values, that our people are our greatest resource, and that we have a responsibility to the communities where we live and work.
We are seeking an experienced Senior Traffic Design Engineer to plan, manage, and deliver complex transportation projects with a focus on Maintenance of Traffic (MOT) and Signing/Pavement Marking. This role is suited for a seasoned professional who brings strong technical expertise, sound judgment, and a collaborative leadership style on multidisciplinary project teams. This position will serve as a project manager, technical discipline lead, working directly with clients and public agencies while guiding internal teams to deliver high-quality, compliant, and effective MOT strategies.

The ideal candidate brings deep technical expertise, leadership experience, and a proven ability to deliver high-quality traffic control and signing plans in compliance with applicable standards and agency requirements.

This position will support our Utah offices but will have opportunities to support other offices throughout the western United States.
Department
Transportation
Employment Type
Full Time
Location
Riverdale, UT
Workplace type
Onsite
Compensation
$90,000 - $125,000 / year

What are the core responsibilities for the role?

  • Manage and deliver analysis, design, and preparation of MOT phasing strategies, signing, striping, and traffic control plan sheets for transportation projects, including phased construction, detours, and temporary traffic control.
  • Serve as technical lead on mid- to large-scale traffic design assignments, ensuring quality control and compliance with MUTCD, AASHTO, DOT, and applicable agency standards.
  • Prepare and oversee the development of studies, technical reports, construction plans, specifications, and estimates from concept through final delivery.
  • Coordinate with clients, public agencies, project stakeholders, and multidisciplinary internal teams to deliver successful transportation projects.
  • Manage staff assignments, workloads, mentoring, and resource coordination across traffic and related disciplines.

Qualifications, Skills, and Competencies:

  • Bachelor’s degree in civil engineering from an accredited college or university
  • Professional Engineering (PE) license required
  • 8+ years of professional experience in traffic with a focus on signing and MOT
  • Design-Build and alternative delivery experience preferred
  • Proficiency with MicroStation OpenRoads, AutoCAD Civil 3D, SignCAD, or other applicable software common to the field of transportation engineering
  • Hands-on experience with Synchro/SimTraffic, Vistro, and Vissim preferred
  • Experience in roadway design is preferred
  • Experience and relationships with DOT agencies are highly preferred
  • Strong written, verbal, and interpersonal communication skills, with the ability to manage multiple projects, meet schedules and budgets, and maintain positive client relationships.
  • Ability to train and mentor less experienced staff with design and project delivery
  • A desire to grow personally and professionally with each project while working in a team environment to create designs and drawings supporting our client’s overall project goals

Why would a candidate want this job?

At Horrocks, you can expect a competitive base salary and award-winning benefits. Including, but not limited to:
  • Medical, dental, vision, life, and disability insurance
  • Generous paid time off
  • 401(k): 50% match of contribution up to 6%
  • Professional development opportunities including in-house training
  • Paid professional organization membership and professional licensure
For more information, visit our website at www.horrocks.com

Equal Opportunity Employer including disability and protected veteran status

EEO — All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status, sexual orientation, gender identity, or any other protected characteristic.

We provide fair and equal treatment to all candidates, including reasonable accommodations for qualified individuals. If you require an accommodation during the application process, please email us at Recruiting@horrock.com and include your name, the job title, and the location of the position you are applying for. Our team will respond as promptly as possible.

About Horrocks

Founded over 55 years ago, Horrocks has a long-standing history of delivering exceptional infrastructure solutions. At the heart of our company is a commitment to providing essential resources for communities and improving quality of life through innovative and forward-thinking engineering practices. Our teams of dedicated professionals deliver high-quality results on every project and are driven by a culture of service. With our slogan "What we do matters," we strive to make a meaningful difference in the world through our work. Our approach is holistic, taking into consideration all aspects of a project to ensure it meets the needs of the present while preparing for the future. We invest in our people and culture, recognizing that our success is dependent on the talents and dedication of our team. At our firm, we don't just build infrastructure — we build better communities.

Our Hiring Process

Stage 1:

Applied

Stage 2:

Initial Screening

Stage 3:

1st Interview

Stage 4:

Offer

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