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Salary
$120k – $170k per year
Location
In office (Idaho Falls)
Seniority
Senior
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 13, 2026. First seen by Alion on Oct 1, 2026.

Overview
Company
Impact
Profile match
Trilon is an infrastructure consulting platform that brings together engineering, planning and design firms working on transportation, water, energy and environmental projects across North America, headquartered in Denver, Colorado. Launched in January 2022 with Waggoner Engineering as founding partner, it has grown by adding firms such as DRMP, The Mannik & Smith Group, Alta Planning + Design and Fehr Graham, and reports about 2,100 employees in 58 offices. Its openings at partner firms include traffic, roadway and civil engineers, water engineers, survey and SUE technicians, drillers, construction managers and project managers.

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 a company that values people as our greatest resource and recognizes our responsibility to the communities where we live and work. We are seeking a Senior Transportation Planner with experience in transportation planning to support and help lead active transportation, trail, and multimodal projects across Utah and the Intermountain West.

This role is ideal for a planner who enjoys both technical and planning-level work, and who is passionate about improving mobility, connectivity, and quality of life through trails, shared-use paths, and complete streets.

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