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Salary
$135k – $190k per year
Location
In office (Meridian)
Seniority
Senior
Employment
Full-Time

Confirmed on the employer's own hiring board on Sep 26, 2026. First seen by Alion on Sep 24, 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.

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’re looking for a Senior Transportation Project Manager to join our Idaho transportation team and take a leadership role in delivering projects that make a lasting difference in the communities we serve.

As a Senior Transportation Project Manager, you’ll lead multidisciplinary teams on transportation projects throughout Idaho, working with state and local agencies to move projects from planning and design through construction. You’ll have the opportunity to shape project strategy, mentor talented engineers and designers, strengthen existing client relationships, and help identify what comes next.

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