Job Details: Job Location: Helena, MT - Helena, MT, Salary Range: $120000.00 - $135000.00Salary, At GSI, our company culture is built on excellent service, teamwork, and technical collaboration to solve the most challenging environmental problems in our communities and throughout the world. We have an immediate opening for a Senior Environmental or Civil Engineer, Scientist, or Geologist. Come join our team! Responsibilities: Directing and managing small to regional multi-disciplined projects Developing technical approaches for completing site characterization activities Preparing written proposals, managing project budgets, and communicating with client and project stakeholders Providing technical training and support to associate staff to ensure field tasks are completed with precision and consistency Working directly with clients to identify specific project needs and communicating results Qualifications: 10 or more years of related work experience required Bachelor's Degree or higher in Geology, Civil/Environmental Engineering, or related scientific field desirable Professional registration as applicable to one’s technical background Extensive experience overseeing environmental field investigations, including sampling various environmental media Experience in water resource studies, infrastructure design, and management Excellent written and verbal communication skills Experience managing projects/tasks, including the preparation of proposals, cost tracking, and maintaining budgets 40-hour OSHA HAZWOPER certification Valid driver’s license and clear driving record Ability to travel Job Perks: Competitive salary and benefits Quarterly and year-end bonuses Flexible work environment with potential for remote work On-the-job training, mentorship, and professional development Participation in conferences, technical presentations, and papers Collaborative atmosphere