Senior Geotechnical Project Engineer

At Mott MacDonald, 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 MacDonald, 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 MacDonald’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 interpretationDevelop ground models, geotechnical parameters, and design assumptionsDeliver 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 datasetsDevelop and maintain digital ground modelsImprove delivery efficiency through automation (e.g., scripts, templates, dashboards)Promote best practice in data governance and auditable workflows.Provide technical guidance on complex geotechnical challengesContribute to proposals, bids, and work winning activities, including scope development, methodology, and technical review, as appropriate.Mentor junior engineers and support capability developmentContribute to continuous improvement and adoption of best practices across projectsCandidate 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 experienceDemonstrated 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 analysisSlope stability, seepage, and excavation support systemsGeotechnical investigation planning and laboratory data interpretationExperience with geotechnical analysis software (e.g., PLAXIS, GeoStudio, Rocscience, LPILE or similar)Familiarity with geotechnical data platforms (e.g., OpenGround, gINT) and 3D ground modelling software (Leapfrog Works)Interest in digital delivery and data-driven workflowsClear and concise technical writing and reportingAbility to coordinate and review multidisciplinary deliverablesEffective communication in client-facing environmentsProven ability to deliver high-quality work within schedule and budgetDesirable:Experience in design-build project environments.Interest in applying Python or similar tools to automate geotechnical workflows and data processing.Familiarity with integrating ground data platforms with analysis and reporting tools.Bring your expertise, curiosity, and drive to make a difference. If you are ready to join a collaborative consultancy where your perspective is valued, your growth is supported, and you are empowered to lead with integrity, we would love to hear from you. Benefits & Rewards The expected salary for this position is $139,000 - $170,000Individual pay is determined based on several factors such as work location, education, experience, and unique skills. In addition to base salary, Mott MacDonald offers performance-based bonuses and a comprehensive benefits package, giving employees a direct connection to our success. Our comprehensive benefits package is designed to support the health, wellbeing, financial security, and professional growth of our employees. Eligible employees have access to medical, dental, and vision coverage, FSA and HSA accounts, company-paid life insurance, short-term and long-term disability coverage, and a competitive 401(k) plan with company matching. We also provide paid time off, paid holidays, caregiver leave, employee referral bonuses, professional registration and membership reimbursements, and tuition assistance to support continued learning and career development.Collaboration at Our CoreAt Mott MacDonald, we believe great ideas happen when we're together. Our hybrid approach centers on an in-office culture, with most of your time spent collaborating face-to-face and a minimum of three days per week in the office. We balance flexibility with connection, so you and your manager can choose how to meet clients, team, and personal commitments.Equal opportunity is the law. We seek to promote fair employment procedures and practices to ensure equal opportunities for all. We encourage individual expression in our workplace and are committed to creating an inclusive environment where everyone feels they have the opportunity to contribute.English versionSpanish VersionChinese versionAll qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, creed, marital status, sexual orientation, gender identity, citizenship status or disability status.