Senior Hydrogeochemist: Groundwater Modeling & Project Lead

RSI; Grand Junction (CO); On-site; USD 120,000 - 150,000; Full time

Benefits offered by this job

PTO

Paid holidays

FEHB medical

Dental

Vision

401K match up to 4%

Life insurance

Disability insurance

Job summary

RSI in Grand Junction, CO is seeking a Sr. Hydrogeochemist to lead complex groundwater and contaminant characterization projects, develop conceptual site models, and oversee long-term monitoring and remedial design.

The role requires managing scopes, budgets, schedules, and staffing, serving as the primary client contact, and mentoring staff while collaborating with senior management. Travel up to 10% with a competitive salary and benefits.

Qualifications

• Bachelor’s degree in Hydrology, Engineering, Geology, Geochemistry or related physical sciences field. Master’s degree preferred.
• 5–10 years of relevant experience; 10 years preferred.

Responsibilities

• Lead multidisciplinary groundwater and environmental projects.
• Act as main point of contact for clients.
• Manage scopes, budgets, schedules, and staffing to execute work.
• Lead project scoping for legacy contaminated sites with cross-functional input.
• Analyze environmental field data, groundwater and geochemical evaluations including modeling.
• Lead development of numerical groundwater flow and reactive transport models.
• Develop complex numerical flow and transport models to assess strategies.
• Prepare project documents and presentations.
• Mentor staff and interface with senior management.

Skills

Excellent communication

Field characterization

Drilling/coring/sampling

Geochemical evaluations

Modeling and statistics

Programming & scripting

Regulations & standards

Groundwater flow understanding

Education

Bachelor’s degree in Hydrology/Engineering/Geology/Geochemistry

Master’s degree preferred

Tools

PHREEQC

Job description

RSI in Grand Junction, CO is seeking a Sr. Hydrogeochemist to lead complex groundwater and contaminant characterization projects, develop conceptual site models, and oversee long-term monitoring and remedial design.

The role requires managing scopes, budgets, schedules, and staffing, serving as the primary client contact, and mentoring staff while collaborating with senior management. Travel up to 10% with a competitive salary and benefits.