Environmental Engineer-Scientist (Mid-Level)
Confirmed on the employer's own hiring board on Oct 18, 2026. First seen by Alion on Sep 9, 2026. Shannon & Wilson scores C on the Alion truth index.
Description
Shannon & 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. Since 1954, we have delivered comprehensive engineering and environmental solutions for the most challenging infrastructure planning, design, permitting and construction conditions.
We are dedicated to improving our communities, preserving the environment and utilizing the most innovative science practices in all our work.
Position Overview:
Our St. Louis office is looking for an Environmental Scientist or Engineer to work on and manage a variety of environmental projects. The office space has been recently renovated to feature new lab spaces and additional office spaces to accommodate our continued growth. This is an excellent opportunity for an experienced Environmental Scientist or Engineer to showcase and grow their experience!
Responsibilities:
- Comprehensive environmental consulting and/or engineering that includes planning, data assessment, reporting, travel and field work, and/or sample collection.
- Perform Phase I, II, & III Environmental Site Assessments.
- Assist with review, evaluation, and interpretation of environmental data and prepare summary reports.
- Interact and communicate with clients, vendors, and staff at all levels in a professional manner.
- Follow Shannon & Wilson’s Quality Assurance policy.
- Follow and promote Shannon & Wilson’s Health & Safety and Loss Prevention policies and procedures.
- Perform other duties as assigned by your supervisor.
Requirements
- Bachelor’s degree in Geotechnical Engineering, Geology, Hydrogeology, Civil or Environmental Engineering, Chemistry, Biology, or other Natural Science; Master's Degree preferred.
- 7 to 14 years of experience
- Excellent writing, organizational, and communication skills.
- Personable, flexible, and professional demeanor.
- The ability to work independently with minimal supervision.
- The willingness and ability to travel to support the needs of other Shannon & Wilson offices.
- A valid driver license and insurable driving record.
- Basic computer skills: MS Word, Excel (required); MS Access (desirable).
- Critical thinking and analysis.
- Frequent sitting, standing, walking, bending, lifting, and carrying 30+ pounds.
- Working in all weather conditions, on uneven terrain.
- The ability to travel (drive or fly) to field sites per project needs and job sites locally and out of state.
- The ability to get a pass for access to military facilities.
Other desirable skills and training based on previous experience:
- 40-hour HAZWOPER training
- Knowledge of RCRA, CERCLA, OSHA and other federal regulations.
- Experience sampling soil, groundwater, and other media at contaminated sites.
- Experience in hazardous waste and hazardous materials management.
- Experience with environmental remediation technologies.
- Experience on federal projects (HTRW, TERC, AFCEE, etc.)
- Advanced computer skills: Excel, ArcGIS, AutoCAD.
- Experience with statistical analyses.
Level Placement:
Typically, 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 Environmental Engineer typically would be placed at a Shannon & Wilson Senior Professional I, II, or III level.
Shannon & Wilson is committed to providing a comprehensive total rewards package that includes the following benefits:
- Employee stock ownership
- Medical, prescription, vision, dental, long-term care and life insurance plans are offered to employees (and their families).
- Pre-tax health and daycare FSA
- Profit sharing and 401(k) plans with annual safe-harbor contributions
- 10 - 20 paid vacation days per year for full-time employees (prorated for part-time employment) based on year’s of experience
- Paid Sick and Safe Leave accrues based on your state requirements
- 9 paid holidays per year + 1 personal holiday
- Paid volunteer day
- Paid time off for bereavement and jury duty
- Two weeks of paid parental leave
- Lunch & Live wellness webinars and an Employee Assistance Program
- Mentorship Program
- Tuition Reimbursement
- Free parking
Shannon & Wilson is an Equal Opportunity Employer
Please 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.