{"id":1511943,"url":"https://alion.io/job/shannon-wilson-geotechnical-seismic-modeling-engineer-mid-level","title":"Geotechnical Seismic Modeling Engineer (Mid-Level)","company":{"id":1922413,"name":"Shannon & Wilson","domain":"shannonwilson.com","url":"https://alion.io/company/shannonwilson-com","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Paylocity","truth_index":{"grade":"C","score":65,"open_postings":51,"ghost_share":0.588,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":41,"computed_at":"2026-11-04T06:34:25Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Seattle, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":110000,"max":125000,"currency":"USD","period":"year","gross":null,"usd_annual":125000},"salary_estimate":null,"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Microsoft Office","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-02-05T20:56:17Z","employer_posted_date":"2026-09-30","last_verified_at":"2026-11-04T23:55:52Z","board_verified":true,"closed_at":null,"days_open":272,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":271},"description":"Description\nShannon & Wilson is an employee-owned consulting firm headquartered in Seattle, Washington. Committed to technical excellence and high-quality service, we provide integrated geotechnical engineering, engineering geology, environmental and natural resource services for clients worldwide. Since 1954, we have delivered comprehensive engineering and environmental solutions for the most challenging infrastructure planning, design, permitting and construction conditions.\nWe are dedicated to improving our communities, preserving the environment and utilizing the most innovative science practices in all our work.\nJob Summary\nWe are seeking a Geotechnical Seismic Modeling Engineer to develop and analyze 1D/2D seismic models that support subsurface interpretation, hazard assessment, and engineering decisions. In this role, you’ll run seismic simulations, interpret complex geophysical data, and collaborate with cross disciplinary teams to provide clear, actionable insights. Ideal candidates bring strong analytical skills, experience with seismic modeling tools, and the ability to communicate technical findings effectively.\nResponsibilities\nPerform geotechnical seismic hazards analyses, 1D and 2D site-response, and soil-structure-interaction evaluations for projects utilizing FLAC, PLAXIS, and other geotechnical modeling software for analysis and design.\nCoordinate with cross-functional teams to validate structural assumptions and address emergent issues.\nDevelop and execute geotechnical numerical models with a focus on seismic analyses and soil-structure interaction including but not limited to:\n- Collect and analyze geotechnical data (borings, CPTs, lab data, etc.),\n- Perform model calibration including element- and system-level evaluations,\n- Develop model space and boundary conditions,\n- Perform model response and diagnostic evaluations,\n- Post-processing and presentation of model results, and\n- Translation of model response to actionable geotechnical design recommendations.\nPerform geotechnical engineering analyses, studies, and calculations, and prepare reports. \nReview technical reports and calculations prepared by entry-level engineers. \nSupport business development and marketing activities, including preparation of cost proposals and presentations to existing and prospective clients. \nPerform field explorations, collection of samples, geologic reconnaissance, and mapping. \nPerform construction observation on job sites and prepare summary logs and other documentation. \nFollow Shannon & Wilson’s Quality Assurance policy. \nFollow and promote Shannon and Wilson’s Health and Safety and Loss Prevention policies. \nPerform other duties as assigned by your supervisor. \nRequirements\nMS or PhD Degree in Geotechnical Engineering with research relevant to geotechnical seismic hazards analysis, numerical modeling, and/or site response. \n7 to 14 years of experience as a Geotechnical Engineer with experience performing geotechnical seismic hazards evaluation. \nKnowledge of ground motion and site response aspects included in building and bridge standards including AASHTO, ASCE 7, ASCE 61, ASCE 41, and CSA S6\nProfessional Engineering (PE) License in the state office is located. \nAbility to interact and communicate with clients, vendors, and staff at all levels. \nSupervisory experience leading, mentoring teams.\nExcellent writing, organizational, and communication skills. \nMust be able to manage multiple clients, contracts, and projects at the same time. \nPersonable, flexible, and professional demeanor. \nCritical thinking and analysis. \nThe ability to work independently with the appropriate level of supervision. \nThe willingness and ability to travel (drive or fly) to field sites per project needs and job sites locally and out of state. \nA valid driver license and insurable driving record. \nBasic computer skills: MS Office (required). \nExperience with Python (required).\nUtilizing cyclic direct simple shear testing and resonant column tests results to develop modulus and damping reduction curves\nUtilizing post-cyclic monotonic direct simple shear testing results to develop residual strength and volumetric strain estimates\nFrequent sitting, standing, walking, bending, lifting, and carrying 30+ pounds. \nWorking in all weather conditions, on uneven terrain. \nLevel Placement\nTypically, depending on an applicant’s education, experience, other qualifications they possess, if they are a fit for the company and local office culture, and the current business needs, a Mid-Level Geotechnical Seismic Modeling Engineer typically would be placed at a Shannon & Wilson Senior Professional I, II, or III level.\nCompensation:\nSenior Professional I: $110,000 - $125,000\nSenior Professional II: $115,000 - $135,000\nSenior Professional III: $130,000 - $145,000\nShannon & Wilson is committed to providing a comprehensive total rewards package that includes the following benefits:\nEmployee stock ownership \nMedical, prescription, vision, dental, long-term care and life insurance plans are offered to employees (and their families). \nPre-tax health and daycare FSA \nProfit sharing and 401(k) plans with annual safe-harbor contributions \n10 - 20 paid vacation days per year for full-time employees, based on years of experience (prorated for part-time employment) \nSick leave accrues based on state requirements \n9 paid holidays per year + 1 personal holiday \nPaid volunteer day \nPaid time off for bereavement and jury duty \nTwo weeks of paid parental leave \nLunch & Live wellness webinars and an Employee Assistance Program \nMentorship Program \nTuition Reimbursement \nFree parking \nShannon & Wilson is an Equal Opportunity Employer\nShannon & Wilson participates in the E-Verify program.\nPlease note that non-solicited resumes from external recruitment agencies will not be considered as introductions to our business, unless a preapproved agreement is in place and the external recruitment agency has been engaged to work on this specific vacancy.\nSalary Description\n$110,000 - 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