Part-time Senior Consultant - Geotechnical Engineer – Dam and Levee Safety & AutoCAD Civil3D

Geosyntec has a limited-term, part-time opportunity for a Part-time
Senior Consultant
- Geotechnical Engineer
- Dam and Levee Safety & AutoCAD Civil3D (up to 10 hrs./wk. for up to one year) to support our growing Dams & Levees practice in our
Davis, CA office. There is an opportunity for a fully remote work schedule at the discretion of the Company.

The position will support our dams and levees practice, with a focus on seismic evaluations of embankment dams for federal, state, and local clients. The successful candidate will lead and perform nonlinear deformation analysis studies, using advanced numerical modeling tools such as FLAC to evaluate dam performance under earthquake loading. Responsibilities will also include evaluating site-specific ground motions, including seismic analyses and mentoring junior staff while coordinating with project teams to deliver technically sound recommendations.

Geosyntec is an innovative, international engineering and consulting firm serving private and public-sector clients to address new ventures and complex problems involving our environment, natural resources, and civil infrastructure. Our engineers, scientists, technical and project employees serve our clients from offices across the world.

We invest in our people. Each employee is unique, and your career at Geosyntec will be too. We offer competitive pay and benefits, and well-being programs to support you and your family.

• Lead and perform seismic evaluations of embankment dams and appurtenant structures for federal, state, and local clients, including USACE, DWR, DSOD, and hydropower owners.
• Conduct nonlinear deformation analyses using FLAC to evaluate embankment and foundation performance under earthquake loading, including liquefaction triggering and post-earthquake stability.
• Provide senior seismic review of analyses, calculations, and reports to ensure technical accuracy, defensible assumptions, and consistency with current industry practice and agency guidance.
• Serve as an Independent Technical Review (ITR) reviewer on USACE projects, preparing and resolving review comments in accordance with USACE review policy and documentation requirements.
• Participate as a Subject Matter Expert (SME) on FERC Part 12D Independent Consultant safety inspections and reviews, addressing seismic hazard, dam performance, and potential failure modes.
• Train and mentor junior staff in FLAC modeling.
• Characterize liquefaction susceptibility and residual strength of foundation and embankment soils to support deformation and stability assessments.
• Contribute to potential failure mode analyses (PFMA) and semi-quantitative or quantitative risk assessments related to seismic hazards.
• Prepare and review technical memoranda, design reports, and presentations, and communicate findings and recommendations clearly to clients, regulators, and review panels.

• Bachelor's degree in Civil Engineering or related field. (required)
• Advanced degree in Civil Engineering or related field. (required)
• Current Professional Engineer License (CA). (required)

• At least 15 years (20+ years preferred) related experience in a professional civil engineering setting, or equivalent combination of education, training and experience that provides the knowledge, skills and abilities to perform the responsibilities of the position. (required)
• Advanced proficiency in FLAC2D and FLAC3D for dynamic nonlinear deformation analyses of embankment dams, including model development, constitutive model calibration, and interpretation of seismic response. (required)
• Demonstrated experience providing geoanalysis support to project teams, including seepage, slope stability, liquefaction, and post-earthquake stability evaluations, with the ability to translate complex results into practical recommendations. (required)
• Expertise in ground motion development for dam safety applications. (required)
• Proficiency in Python in conjunction with FLAC, processing ground motion records, post-processing FLAC results. (perfered)
• Strong communication skills to include the ability to understand and follow complex verbal and written instructions, and the ability to interact effectively to maintain a team environment. (required)
• Ability to effectively present information to project team and clients. (required)
• Health & Safety training, medical monitoring, and client-driven drug and background testing may be required.
• Valid U.S.…