{"id":2210611,"url":"https://alion.io/job/shannon-wilson-tunnel-engineer-mid-level","title":"Tunnel 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":"2026-10-28T05:59:10Z"}},"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":115000,"max":130000,"currency":"USD","period":"year","gross":null,"usd_annual":130000},"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[],"status":"live","first_seen_at":"2026-10-09T23:16:15Z","employer_posted_date":"2026-10-10","last_verified_at":"2026-10-28T19:51:27Z","board_verified":true,"closed_at":null,"days_open":19,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":18},"description":"Description\nShannon & Wilson is an employee-owned leading geotechnical engineering and environmental services consulting firm dedicated to delivering innovative solutions for public and private clients - often on high-profile infrastructure projects. 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 tunnel or rock mechanics engineer to support current tunnel and rock engineering projects and strengthen our industry presence in this field. This position offers the opportunity to work on challenging and technically complex underground infrastructure projects throughout the Pacific Northwest. The successful candidate will initially provide full-time field support or serve in a rotation with others for 12 to 24 months on a major tunnel construction project southeast of the Seattle metropolitan area, providing field-based construction oversight and technical support during a multi-year construction program. The role requires close collaboration with contractors, clients, geotechnical engineers, engineering geologists, and other technical specialists to deliver innovative engineering solutions.\nResponsibilities:\nProvide construction-phase geotechnical and geological oversight of tunnel excavation and underground infrastructure projects, ground support, and stabilization activities. \nMonitor excavation progress and evaluate geological, rock mass, and groundwater conditions to support safe, efficient construction. \nAssess excavation performance and ground behavior and recommend initial or supplemental ground support. \nReview probe hole and field data to evaluate anticipated conditions ahead of excavation. \nPerform and supervise geologic and tunnel support mapping, and field data collection in accordance with project and industry standards. \nCollect, process, and review monitoring data, and communicate findings and recommendations to project designers, owners and other stakeholders. \nProvide timely technical recommendations to contractors, clients, and project teams to address field conditions and construction challenges. \nPrepare daily field reports, technical memoranda, and construction documentation. \nSupport design modifications and updates to rock reinforcement, stabilization systems, and tunnel support measures as project needs arise.\nCollaborate with multidisciplinary project teams to deliver innovative engineering solutions for public and private infrastructure projects. \nPromptly communicate observations, recommendations, and emerging geotechnical concerns to project stakeholders.\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\nBachelor’s degree required. Master’s degree or above in Geotechnical Engineering or Geological Engineering preferred. \nMinimum 10 years of experience as a Geotechnical/Tunnel Engineer demonstrating experience in constructing and overseeing underground excavations. \nProfessional Engineering (PE) License in the state office is located or willingness and ability to obtain such PE license within 3 months of hire date. Experience with Rocscience limit-equilibrium and numerical modeling tools (Rocscience and Itasca) is preferred. \nFamiliarity with tunnel liner design and assessment, including shotcrete and cast-in-place concrete liners. \nKnowledge of tunnel monitoring programs and instrumentation used to evaluate tunnel performance and ground behavior.\nExcellent writing, organizational, and communication skills. \nPersonable, flexible, and professional demeanor. \nThe ability to work independently. \nThis position requires approximately 50% travel away from home, including travel by vehicle to the project site located outside the Seattle metropolitan area.\nA valid driver license and insurable driving record. \nBasic computer skills: MS Word, Excel (required); MS Access (desirable). \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, overall abilities, alignment with the needs of the company and local office culture, and the current business needs, a Mid-Level Tunnel Engineer typically would be placed at the Shannon & Wilson Senior Professional I, II or III level.\nCompensation:\nSenior Professional I: $115,000 - $130,000\nSenior Professional II: $125,000 - $140,000\nSenior Professional III: $135,000 - $155,000\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 (prorated for part-time employment) based on years of experience \nPaid Sick and Safe Leave accrues based on your 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$115,000 - 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