Sr. Field Geologist
Aerostar SES LLC (ASL)

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

Essential Duties & Responsibilities

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, organizational, and problem-solving skills.
• Current 40-hour HAZWOPER with up-to-date refresher.

OSHA 8-hour Supervisor Training. Ability to travel extensively (up to 80-90%) and work outdoors in varied conditions.

Additional Qualifying Factors:

As a condition of employment, you will be required to pass a pre-employment drug screening (post accepted offer) and have acceptable background check results. If applicable to the contract, you must also obtain the appropriate clearance levels required and be able to obtain access to military installations.

Necessary Physical Requirements:

The physical demands described herein are representative of those that must be met by an employee to successfully perform the essential functions of this position. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

This position requires the ability to maneuver around work sites, see, hear, and verbally communicate with co-workers and clients. Essential and marginal functions may require maintaining physical condition necessary for bending, stooping, sitting, walking or standing for prolonged periods of time; frequent opportunity to move about and to work outside the office environment for extended periods involving exposure to the elements with weather that will include extreme heat, cold, wind, rain or other inclement weather, walking over rough and uneven surfaces, and routine lifting of up to 35 pounds. If required, must properly use personal protective equipment (PPE) at all times including but not limited to: hard hats, steel toed boots, eye protection, respiratory protection, and hearing protection. Must always maintain a constant state of mental alertness.

Working Conditions

Job is performed in a combination of office and outdoor site locations. The office setting includes exposure to computer screens and requires extensive use of a computer, keyboard, and mouse. Outdoor settings include walking, driving, and carrying supplies throughout all seasons with exposure to heat and cold conditions, and potentially wildlife. Is occasionally exposed to fumes or airborne particles, toxic or caustic chemicals and loud noise.

About Bristol Bay Construction Holdings LLC

Bristol Bay Construction Holdings LLC (BBCH) is a holding company of Bristol Bay Native Corporation, an Alaska Native Corporation. The BBCH family of companies include 8(a), small, and large businesses operating under the Aerostar, CCI, CSI, Herman, and SES brands. The vision of BBCH is to be best value companies and employers of choice, recognized for our dedication to our unity of purpose, values, employees, clients, and shareholders. For three decades, our best-value companies have provided federal and commercial clients with superior quality and cost-effective, innovative, and sustainable solutions for general construction, restoration services, civil works, fuels systems, environmental services, professional services, and facility support services.

BBCH gives hiring, promotion, training, and retention preference to BBCH shareholders, shareholder descendants, and shareholder spouses who meet the minimum qualifications for the job.

We are an equal-opportunity employer. All applicants will receive consideration for employment, without regard to race, color, religion, creed, national origin, gender, or gender identity, age, marital status, sexual orientation, veteran status, disability, pregnancy or parental status, or any other basis prohibited by law.

We participate in the E-Verify Employment Verification Program. We are a drug-free workplace.

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