Senior Geotechnical Engineer

Location: St. Louis, MO, United States Date Posted: Jan 16, 2026 GEI is seeking a Senior Geotechnical Engineer to join a talented, highly motivated geotechnical team supporting our St. Louis, MO office, and growing regional practice. The successful candidate will oversee geotechnical and construction oversight projects local to St. Louis, the South Region, and/or nationwide. The candidate will also provide technical guidance, client relations, subject matter expertise, and multidisciplinary oversight to proposal and project teams, train/mentor junior staff, and provide innovative problem‑solving leadership. Our St. Louis and other South Region locations currently offer a variety of geotechnical and construction services projects which include geotechnical exploration, landslide assessment, slope stability analysis, geo-hazards assessments, building foundation design, retaining wall design, MSE wall design, ground improvement design, deep foundation design, support of excavation design, and construction quality assurance oversight/testing. GEI is searching for candidates with experience and knowledge in the St. Louis, MO markets that are a leader, role model, and client‑focused. This is an excellent opportunity to join a growing team, while advancing your career with a leading national engineering and consulting firm. Our clients include private and public (local, state, and federal government) entities throughout the United States and Canada. We look forward to the selected candidate growing their career at GEI. Support and grow the practice in the Greater St. Louis area and the Midwest by serving new and existing clients and markets while cross‑selling GEI’s core business areas. Help coordinate business development activities within the practice by identifying key clients/business areas, growth strategy, and capture strategy. Support proposal efforts, maintain high visibility in the marketplace through regular client contact, participate and encourage active participation in professional organizations, and make presentations at client and industry events. Design and construction projects will include foundations, tunnels, dams, excavation support systems, ground improvement, and environmental work. Exemplify commitment to technical excellence balanced with client expectations and satisfaction, and profitable project management. Participate in recruiting efforts and the integration and training of new staff. Serve as a technical leader and mentor. Contribute to strategic planning at the office, regional, and national level. Provide technical leadership and senior level oversight and serve as Engineer of Record. Manage technical, financial, and client relationship aspects of projects. Develop a networking partnership with practitioners across the company. Participate on technical teams working across multiple offices throughout the country, problem‑solving, preparing plans and specifications, and meeting with clients and subcontractors. Minimum Qualifications B.S. in Civil, Geotechnical, Structural or Geological Engineering. Professional Engineering (PE) license required. Seller‑Doer with strong client relationships, an entrepreneurial spirit, and a track record of generating new work and growing a business segment. Diverse technical background including a strong fundamental knowledge of the principles of geotechnical, structural and/or geostructural engineering. 12+ years of previous professional experience in geotechnical consulting. Knowledge of St. Louis marketplace is a plus. Excellent communication skills; clear and effective technical writing and presentation development; ability to effectively interact with all levels of staff, project teams, and clients; ability to successfully manage projects and lead technical work. Valid U.S. Driver’s license. Desired Qualifications M.S. in Civil, Geotechnical, Structural or Geological Engineering. Ability to build client relationships and cross‑sell services to existing clients. Willingness and ability to travel to GEI branch offices and client sites as required. We are GEI. Some of the world’s most pressing problems – from climate change to sustainable development, to critical infrastructure and the future of our energy supply – need our brightest and diverse minds working together to create safer, more resilient communities for tomorrow. We are technical experts, collaborators, and entrepreneurs who draw from diverse backgrounds to solve our clients’ most complex challenges. With several offices across North America, we offer a range of engineering, science, and technical consulting services. Our range of expertise, project types, and culture make us the choice for top talent in the AEC industry. See all our office locations here. Employee‑owned. Employee‑focused. As an employee‑owned company, our employees support our flat leadership structure, have a say in how our business operates and benefit from our financial success. We are committed to employee growth with career development opportunities, competitive total rewards, a well‑being program, flexible work arrangements and more. Our company culture is driven by our 4 Cs – we are Client‑Centered, Curious, Collaborative, and Community Minded – which support our focus on sustainability, safety, diversity, equity and inclusion. Get to know us better by visiting GEI’s career site here. GEI’s Total Rewards Package Market‑Competitive Compensation, including Eligibility for an Annual Performance Bonus Comprehensive Benefits Program, including Medical, Dental, Vision, Life, Disability and More Well‑Being Program and Paid Parental Leave Hybrid Work Schedules and Home Office and Cell Phone Stipends GEI University (GEIU) with Continuing Education Assistance and Tuition Reimbursement Connecting Conversation Program with a Focus on Professional Development and Opportunities for Advancement Support and Financial Rewards for Publication Awards, Professional Dues, and Professional Licenses Paid Holidays and Generous Paid Time Off Program Rewards and Recognition GEI‑Funded Profit Sharing and 401(k) Opportunity to be an Owner and Shareholder (Learn more here) A Vibrant Culture that is Focused on Partnership, Sustainability, Giving Back to Our Communities and Diversity, Equity and Inclusion Physical Requirements Work Environment Functional Demands: Sedentary Light Medium Other Activity Level Throughout Workday (check one per row) Physical Activity Requirements Occasional (0-35% of day) Frequent (33-66% of day) Very Frequent (67-100% of day) Not Applicable Standing Walking Climbing Lifting (floor to waist level) (in pounds) Lifting (waist level and above) (in pounds) Carrying objects Push/pull Twisting Reaching forward Reaching overhead Keyboard use/repetitive motion Taste or smell (taste=never) Talk or hear Near Vision Far Vision Yes No Not Applicable Depth perception Hearing Reasonably Anticipated Not Anticipated Chemical Extreme temperatures Radiation Uneven surfaces or elevations Dust/particulate matter Other (exposure risks) Other work hours GEI is an AA/equal opportunity employer, including disabled and veterans. #J-18808-Ljbffr GEI Consultants, Inc.