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Salary
$130k – $180k per year
Location
In office (Tucson)
Seniority
Senior · 15+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 21, 2026. First seen by Alion on Oct 15, 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 work. As a Senior Project Manager, you will play a key role in leading technical efforts, supporting project delivery, and mentoring team members while contributing to meaningful infrastructure and community-focused projects.

What are the core responsibilities for the role?

  • Lead and manage engineering tasks across multiple projects, ensuring quality, schedule, and budget objectives are met
  • Serve as a technical resource and subject matter expert within your discipline
  • Prepare, review, and approve engineering designs, calculations, reports, and specifications
  • Coordinate with project managers, clients, and multidisciplinary teams to ensure successful project execution
  • Provide guidance, mentorship, and oversight to junior engineers and technical staff
  • Support project planning, scoping, and budgeting efforts
  • Ensure compliance with applicable codes, standards, and company quality procedures
  • Participate in client meetings, presentations, and business development efforts as needed
  • Identify risks and propose solutions to maintain project progress and quality
  • Contribute to continuous improvement initiatives within the team and organization

Qualifications, Skills, and Competencies:

  • Bachelor’s degree in Engineering or a related field
  • Professional Engineer (PE) license required
  • 15-20+ years of progressive engineering experience
  • Strong technical expertise within relevant discipline (e.g., transportation, civil, structural, etc.)
  • Proven ability to lead technical tasks and mentor team members
  • Excellent communication and interpersonal skills
  • Strong organizational skills with the ability to manage multiple priorities
  • Experience with industry-standard design software and tools
  • Commitment to quality, safety, and ethical engineering practices
  • Ability to work both independently and collaboratively in a team environment

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

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