Senior Engineering Hydrologist and Groundwater Modeler in at JGMS Government Services LLC

Application Deadline:

10/14/2026

Position Summary:

JGMS is looking for an experienced engineering hydrologist and groundwater modeler to join our client's team.

Job Duties and Responsibilities:

Fernald

• Assistance with groundwater flow and contaminant transport modeling and using PEST-PPIES at the Fernald Site
• Assistance at the Fernald site may also include help with the preparation of an annual site environmental report and technical advice in coordination with other employees.

Tuba City

• Assistance with groundwater flow and contaminant transport modeling and using PEST-PPIES MOU at the Tuba City Site.

Monument Valley

• Assistance at the Monument Valley Site with groundwater flow and transport modeling, other technical analysis, and evaluation of the groundwater remedy.

• Support other groundwater modeling efforts being conducted by the staff on an as needed basis.
• Complete other hydrogeological analysis and reporting activities on an as needed basis.

Required Qualifications:

• Master’s degree or higher in geology, hydrogeology, hydrology, or engineering.
• 10 years of relevant experience
• Expertise in numerical groundwater flow and contaminant transport modeling including
• MODFLOW, PEST, PESTPP-IES, and PESTPP-MOU Expertise in groundwater flow and contaminant transport fundamentals
• General field characterization experience
• Working knowledge of well drilling, coring/sampling, and monitoring well installation.
• Data acquisition and evaluation experience.
• Understanding of tracer testing implementation and interpretation.
• Working knowledge of aquifer testing and analysis.
• Experience with conceptual site model development.
• Expertise in statistics and geostatistics.
• Expertise in three-dimensional visualization and evaluation using Earth Volumetric Studio.
• Expertise in programing and scripting.
• Expertise in geology, hydrogeology, geochemistry, and geophysics.
• Familiarity with remedial design and evaluation.
• Knowledge of regulations and standards.

Desired Qualifications:

• Knowledge of sites and programmatic history preferred
• PE or PG certification

Background Check and Screenings:

A pre-employment drug screening and background review that includes checks of personal references, credit, law enforcement records, and employment/education verification is required.

Benefits:

We take pride in promoting a healthy work-life balance, family-friendly benefits, servant leadership, team values and professional growth. Our competitive benefits package includes:

• Medical insurance - 100% company paid premiums for employees
• Dental and vision insurance
• 401k plan with company match
• 24 hours of paid community service a year
• Up to 4 weeks paid time off a year
• 10 paid holidays
• Life insurance, short- and long-term disability
• Employee Assistance Program (EAP)
• Professional development opportunities

JGMS Family of Companies

Ethically minded, mission-driven.

We provide applied technology, engineering, science, and management services to government and private sector clients nationwide. As a diverse team of professionals, we are focused on meeting the needs of our clients and following through with real solutions that effectively and efficiently meet all budgetary and scheduling requirements. As a member of the team, you will be involved in a growing, dynamic organization that is developing new client solutions to benefit our environment and economy.

Equal Opportunity Employer

JGMS Government Services LLC (JGMS-GS) is dedicated to the principles of equal employment opportunity (EEO) in any term, condition, or privilege of employment. The Company prohibits unlawful discrimination against applicants or employees on the basis of age (40 and over), race, color, religion, national origin, disability, genetic information, sexual identity, sexual orientation, pregnancy, veteran status, marital status, or any other status protected by federal, state, or local laws. This policy applies to all applicants, employees, including managers, supervisors, co-workers, and non-employees such as customers, clients, vendors, consultants, or any other entity in professional contact with the Company.

Due to the nature of the government contract requirements and/or clearance requirements, US citizenship may be required.

Interested candidates should submit an application through the JGMS Careers page by the application deadline listed in this posting. Applications may include a current resume and any other materials identified in the posting. Applicants may redact information from application materials that identifies age, date of birth, or dates of attendance at or graduation from an educational institution.

If you are an individual with a disability and need assistance completing the online application, please call (970) 254-1354. Alternatively, an email may be sent to HR@jgmsgovservices.com with the subject line 'Applicant Accommodation' in the email.