Senior Geotechnical Project Engineer

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At Mott Mac Donald, we are driven by purpose and powered by brilliant people. As a trusted engineering, management, and development consultancy, we work with clients to solve complex challenges and deliver sustainable outcomes that make a meaningful difference for the communities we serve.

When you join us as an experienced professional, you will bring your expertise to work that matters while continuing to grow your career. You will collaborate with talented colleagues across disciplines and geographies, contribute your perspective, and help shape better outcomes through technical excellence, innovation, and integrity.

Build on your experience while helping shape what comes next. At Mott Mac Donald, you'll work alongside talented people on complex and rewarding projects that make a real difference. We value fresh perspectives, encourage collaboration, and provide opportunities to expand your skills, take on new challenges, and grow your career. Whether you're deepening your technical expertise, broadening your leadership experience, or exploring new opportunities across our business, you'll be supported by a team that is committed to helping you succeed.

We are seeking a capable and motivated Senior Project Engineer with a strong background in geotechnics and ground engineering to strengthen and expand the capabilities of our Underground Group in Texas and the wider United States.

This is a client-facing, delivery-focused role supporting the design and construction of complex transportation, rail, water and energy infrastructure projects. You will contribute within multidisciplinary design-build teams, delivering practical, technically robust, and constructible geotechnical solutions across a wide range of ground conditions.

You will combine hands-on technical delivery with project execution support, while engaging with Mott Mac Donald’s regional and global ground engineering network to share best practices and deliver consistent excellence across our projects.

Key Responsibilities:

• Plan and manage geotechnical investigations, including fieldwork, laboratory testing, and data interpretation
• Develop ground models, geotechnical parameters, and design assumptions
• Deliver geotechnical analysis and design across all project stages , including preparation of calculations, reports and specifications.
• Identify and manage geotechnical risks to deliver safe, compliant, and constructible solutions.
• Coordinate geotechnical inputs within multidisciplinary design teams.
• Lead structured management of geotechnical data and interpretive datasets
• Develop and maintain digital ground models
• Improve delivery efficiency through automation (e.g., scripts, templates, dashboards)
• Promote best practice in data governance and auditable workflows.
• Provide technical guidance on complex geotechnical challenges
• Contribute to proposals, bids, and work winning activities, including scope development, methodology, and technical review, as appropriate.
• Mentor junior engineers and support capability development
• Contribute to continuous improvement and adoption of best practices across projects

Candidate

Qualifications:

• Bachelor’s degree in Civil or Geotechnical Engineering (Master’s preferred)
• PE license in Texas (California PE or ability to obtain)
• 10+ years of geotechnical engineering experience
• Demonstrated experience delivering geotechnical design on infrastructure projects in the U.S.

Experience in the following areas:

• Foundation design (shallow and deep)
• Settlement, consolidation, and ground deformation analysis
• Slope stability, seepage, and excavation support systems
• Geotechnical investigation planning and laboratory data interpretation
• Experience with geotechnical analysis software (e.g.,…