Trilon Group

Infrastructure consulting for transportation and water

Senior Project Manager

Project ManagementUpdated on Nov 13

Full-timeGulfport, MS, USA$110k - $145k /yrIn-person

About the Job

Requirements

A bachelor's degree in Engineering, Architecture, or a related technical field is required.
10–15 years of related experience, including five or more years in project management and five or more years of direct client interaction.
Five or more years of supervisory or coordination experience and knowledge of applicable federal, state, and local regulations are required.
A Professional Engineer license in Mississippi is required.
Must complete Waggoner's project management qualification and certification within one year of employment.
Advanced proficiency in Microsoft Office Suite, MicroStation, AutoCAD Civil 3D, WaterCAD, and other applications.
Superior written and verbal communication skills and demonstrated ability to manage client relationships effectively.

Responsibilities

Lead multidisciplinary projects from concept through closeout, ensuring technical quality, budget control, and schedule adherence.
Oversee preparation of engineering studies, designs, plans, specifications, and cost estimates in compliance with applicable federal, state, and local regulations.
Serve as the primary client contact for assigned projects, communicating proactively and delivering responsive, high-quality service.
Maintain strong client relationships by understanding client needs, addressing concerns promptly, and positioning the company as a long-term partner.
Use project management systems, including Deltek, to manage project records, monitor financials, process invoicing, and execute closeout.
Conduct site visits and support construction-phase services, including reviewing submittals and requests for information and resolving field issues.
Mentor and develop junior engineers and project staff, and provide performance feedback to Discipline Managers.
Collaborate with Discipline Managers and office leadership to coordinate resources, share expertise, and support proposal development.

Desired Qualifications

A master's degree is preferred.

Waggoner Engineering, Inc. is seeking a Senior Project Manager to lead project delivery and maintain client relationships across a range of civil infrastructure work. The ideal candidate combines strong technical judgment with the interpersonal skills to serve as a trusted partner to clients and a mentor to project staff.

Lead multi-disciplinary projects from concept through closeout, ensuring technical quality, budget control, and schedule adherence throughout.
Oversee preparation of engineering studies, designs, plans, specifications, and cost estimates in compliance with applicable federal, state, and local regulations.
Serve as the primary client contact for assigned projects, provide proactive communication and consistently delivering responsive, high-quality service.
Maintain strong client relationships by understanding client needs, addressing concerns promptly, and positioning Waggoner as a long-term partner.
Utilize Waggoner’s project management systems—including Deltek—to manage project records, monitor financials, process invoicing, and execute closeout.
Conduct site visits and support construction-phase services, including review of submittals, RFIs, and resolution of field issues.
Mentor and develop junior engineers and project staff; provide performance feedback to Discipline Managers.
Collaborate with Discipline Managers and office leadership to coordinate resources, share expertise, and support proposal development.

Bachelor’s degree in Engineering, Architecture, or related technical field required; Master’s degree preferred
10–15 years of related experience, including five or more years in project management and five or more years of direct client interaction.
Five or more years of supervisory or coordination experience; knowledge of applicable federal, state, and local regulations required.
Professional Engineer (PE) license in Mississippi required.
Must complete Waggoner’s PM qualification and certification within one year of employment.
Advanced proficiency in Microsoft Office Suite, Microstation, AutoCAD Civil 3D, WaterCAD, and other applications
Superior written and verbal communication skills with demonstrated ability to manage client relationships effectively.

About the Company

Trilon Group

Infrastructure consulting for transportation and water

Trilon Group provides infrastructure consulting in transportation, water, and municipal systems in the Mid-Atlantic region. It works by partnering with local governments, municipalities, and private clients to deliver planning, design support, and project management through fee-based engagements, expanding capabilities through alliances with firms like Rinker Design Associates and Wilson Engineers. The company differentiates itself with a platform-style growth approach backed by private equity and a People First culture focused on talent development. Its goal is to expand service offerings and market presence in the Mid-Atlantic by building scalable partnerships and using capital to support growth.

Company size: 51-200
Company stage: Growth Equity (Non-Venture Capital)
Total funding: $200M
Headquarters: Denver, CO
Founded: 2021

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