Sr. Field Geologist

Aerostar SES, LLC is expanding its workforce and is seeking a Senior Field Geologist / Field Manager to join our growing Environmental Business Line. We are committed to fostering a work environment that offers long-term stability and growth. We value our employees and are dedicated to supporting their success throughout their career with us. With a strong track record of consistent growth, we provide a secure and dependable workplace for those looking for a lasting career.

This leadership role will direct a large, complex environmental investigation at K. I. Sawyer in Michigan’s Upper Peninsula. Traveling candidates from Knoxville, TN or Jacksonville, FL will also be considered.

The initial assignment is expected to be a six-month, field-intensive deployment beginning mid-April 2026. The selected candidate will oversee simultaneous field operations, including multiple drilling crews, well installation activities, and multi-media environmental sampling programs. This role requires a highly experienced professional capable of managing dynamic field conditions, making real-time technical decisions, and ensuring strict adherence to safety, quality, and regulatory requirements.

Aerostar SES, LLC offers a great benefits package complete with medical, dental, and vision insurance, health savings account health reimbursement account, flexible spending account, employer paid life and disability, 401(k) matching, and paid time off along with other essential benefits.

This position will report to K.I. Sawyer AFB in Marquette County, MI

The Essential Duties and Responsibilities are intended to present a descriptive list of the range of duties, but not all duties performed for this position. Other duties may be assigned.

Field Leadership & Operations

• Serve as on-site Field Manager overseeing all investigation activities.
• Direct daily field operations, including scheduling, logistics, and subcontractor coordination.
• Manage and mentor multidisciplinary field teams, including geologists, technicians, drilling crews, and subcontractors.
• Coordinate multiple drill rigs and concurrent sampling programs (groundwater, soil, sediment, surface water, and vapor).
• Oversee well installation, environmental monitoring, and remediation field activities. Technical Oversight & Quality Assurance
• Ensure compliance with work plans, health and safety requirements, and regulatory standards.
• Provide real-time problem solving and adapt field strategies to changing site conditions.
• Implement and enforce QA/QC procedures for all field activities.
• Maintain and review accurate field documentation, including logs, sampling records, and daily reports.

Communication & Coordination

• Serve as primary field liaison with project managers, clients, regulators, and stakeholders.
• Provide clear and regular progress updates and field status reporting.
• Coordinate site access with installation personnel and private property owners as needed.

Post-Field Responsibilities

• Transition to the Knoxville office following field deployment.
• Support data interpretation, technical reporting, and project documentation.
• Assist with planning and execution of subsequent project phases.

Work Schedule & Travel

• Field schedule: 10 days on / 4 days off rotation
• Extensive travel required during field operations
• Per diem and travel support provided
• Field deployment: approximately 6 months (April through October 2026), Intermittent 10-day
• field efforts in 2027.

Minimum Qualifications:

To perform this position successfully, an individual must be able to perform each essential duty satisfactorily. The qualifications listed are representative of the knowledge, skill, and/or ability required.

• Bachelor’s degree in Geology, Hydrogeology, Environmental Science, or related field (Master’s
• preferred).
• Professional Geologist (PG) license is a plus
• Minimum 10 years of progressive field experience on complex environmental projects.
• Demonstrated leadership managing field teams and subcontractors.
• Advanced knowledge of drilling methods, environmental sampling, well installation, and remediation technologies.
• Proven ability to make independent technical decisions in dynamic field environments.
• Strong communication,…