Trilon Group

Infrastructure consulting for transportation and water

Senior Geotechnical Engineer

Geotechnical EngineeringUpdated on Nov 13

Full-timeSpringfield, MA, USA$100k - $120k /yr

About the Job

Requirements

A bachelor's degree in civil or environmental engineering is required; a geotechnical focus is preferred.
At least 6 years of relevant geotechnical engineering experience is required.
A Professional Engineer license in Connecticut, Massachusetts, or Rhode Island is required, or the ability to obtain one within 6 months.
Proven experience delivering geotechnical services is required.
Strong experience with geotechnical modeling and analysis tools is required.
Proficiency with Microsoft Office, AutoCAD, and geotechnical software is required.
Strong leadership, communication, and client management skills are required.

Responsibilities

Lead and support geotechnical engineering projects from planning through design and construction.
Perform and oversee geotechnical investigations, including drilling programs and subsurface evaluations.
Conduct analyses and design for shallow and deep foundations, slope stability, and earth retention systems.
Complete geotechnical modeling, including seepage, slope stability, and vertical and lateral pile analysis.
Prepare and review technical reports, calculations, and construction documents.
Ensure deliverables meet regulatory requirements and company quality standards.
Provide mentorship and technical guidance to junior staff and project teams.
Collaborate across disciplines to support complex infrastructure and environmental projects.
Assist with client engagement and business development to expand service offerings.

Desired Qualifications

Project management and supervisory experience is highly preferred.

Creativity. Innovation. A desire to effect positive change. That’s what it takes to work at Fuss & O’Neill – because that’s what we do for the communities in which we work: we create, innovate, and design long-lasting improvements that improve quality of life. Quality of life is also important on the job, so we’ve prioritized work-life balance by offering flexible/remote work opportunities, part-time benefits, and generous PTO. We believe that each day is an opportunity to support one another, to support our clients, and to support our communities. If you feel the same, then you’ve found your future.

We are seeking a Senior Geotechnical Engineer to join our growing team and play a key role in delivering high-quality geotechnical engineering services across a diverse portfolio of infrastructure and environmental projects. This is an exciting opportunity for a technically strong and collaborative professional who is looking to contribute to complex, multidisciplinary projects while helping expand geotechnical capabilities within the firm.

In this role, you will provide senior-level technical expertise and project management across a wide range of geotechnical engineering services, including subsurface investigations, foundation design, slope stability analysis, and earthwork construction support. You will also mentor junior staff, collaborate with internal teams, and support business development efforts to grow our geotechnical practice.

Lead and support geotechnical engineering projects from planning through design and construction
Perform and oversee geotechnical investigations, including drilling programs and subsurface evaluations
Conduct analyses and design for shallow and deep foundations, slope stability, and earth retention systems
Complete geotechnical modeling, including seepage, slope stability, and pile analysis (vertical and lateral)
Prepare and review technical reports, calculations, and construction documents
Ensure deliverables meet regulatory requirements and company quality standards
Provide mentorship and technical guidance to junior staff and project teams
Collaborate across disciplines to support complex infrastructure and environmental projects
Assist with client engagement and business development to expand service offerings

Bachelor’s degree in civil or environmental engineering (geotechnical focus preferred)
6+ years of relevant geotechnical engineering experience
Professional Engineer (PE) license (CT, MA, or RI), or ability to obtain within 6 months
Proven experience delivering geotechnical services
Strong experience with geotechnical modeling and analysis tools
Proficiency with Microsoft Office, AutoCAD, and geotechnical software
Strong leadership, communication, and client management skills
Project management and supervisory experience highly preferred

This is a hybrid role, offering the best of both worlds—collaborate in-office with a high-performing team and enjoy the flexibility of working remotely part of the week. We're committed to supporting work-life balance while maintaining strong team connection and project delivery.

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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