Senior Professional Engineer - Drainage

Trilon Group

$120,000 - $155,000 / year

St. George, UTFull-timeOn-siteIntermediate

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Description

Unmatched Comp Time Policy: Hours worked over 40 in a week are paid at the usual hourly rate or can be banked as additional PTO.

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. As a Professional Engineer for Drainage, you will have the opportunity to be involved in large, multi-discipline projects while developing diverse skill sets.

Key Responsibilities

Perform and direct a variety of hydrology and hydraulic design work for DOT projects (i.e., bridges, roadways, highways, freeways, etc.)
Prepare studies, reports, plans, specifications, and cost estimates for a variety of transportation projects
Work within a team of project managers, design engineers, technicians, and support staff to successfully complete a variety of projects
Interface with clients including state and local agencies
Coordinate and conduct meetings with project stakeholders
Coordinate with office management and other project managers to share resources
Assist in proposal preparation including oral presentations.
Prepare the scope, schedule, and budget for new projects
Ability to meet project deadlines

Skills, Knowledge and Expertise

Undergraduate or graduate degree from an accredited program in civil engineering
Registered Professional Engineer (PE) required
8-12 years of hydraulics design experience including:
- Design of roadway drainage and flood control facilities
- Design of erosion control and stormwater treatment facilities
Experience and relationships with transportation and flood control agencies are preferred
Experience with MicroStation and OpenRoads Designer (ORD)
Expertise in hydrologic and hydraulic software, including ORD Drainage and Utilities, StormCAD, PondPack, HEC-HMS HEC-RAS, etc.
Working knowledge of DOT, AASHTO, and FHWA highway drainage design criteria and guidelines
Strong verbal, and written communication skills
Ability to interact with clients and multi-discipline team members
Willingness to work on projects locally or workshare with other offices
History of meeting project deadlines and budgets
Outstanding interpersonal and customer service skills
Strong organizational skills and attention to detail
Experience in managing technical staff and project teams is desirable
Ability to manage concurrent projects

Benefits

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

#LI-KG1

Benefits

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 #LI-KG1

About this role

Trilon Group (operating as Horrocks) is seeking a Senior Professional Engineer to lead drainage design work on transportation infrastructure projects across the Southwest. You'll direct hydrology and hydraulic studies for DOT projects—bridges, roadways, highways—while preparing design plans, specifications, and cost estimates. The role involves coordinating with state and local agencies, managing stakeholder meetings, and collaborating across multi-discipline teams to deliver projects on time and within budget.

This position requires a PE license and 8–12 years of drainage design experience, with demonstrated expertise in roadway drainage, flood control, erosion control, and stormwater treatment. You'll need strong proficiency in industry-standard software including MicroStation, OpenRoads Designer, StormCAD, PondPack, and HEC-HMS/HEC-RAS, along with solid knowledge of DOT, AASHTO, and FHWA standards. Experience managing technical staff and existing relationships with transportation agencies are valued.

Horrocks offers a salary range of $120,000–$155,000, comprehensive benefits including medical, dental, vision, and life insurance, a 401(k) match up to 6%, and generous PTO. The firm's unmatched comp time policy lets you bank or be paid for hours over 40 per week. The role is based in St. George, Utah, and requires in-office presence.

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Pay for this role

$120,000 to $155,000 per year

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