Senior Hydrogeologist

Arcadis • Highlands Ranch, CO

8d • $101,376 - $194,304 • Hybrid

About The Position

Arcadis is seeking a Senior Hydrogeologist to direct and support the design and implementation of site characterization efforts, analyze data, and develop conceptual models that advance projects through site investigation, remedial evaluation, and toward closure. The role helps establish client and project needs and develops and leads teams to address data needs, evaluate available information, and deliver projects that exceed client expectations. Work includes hydrogeologic evaluation, project scoping and proposal development, and report writing and review, with an emphasis on mining projects.

The position applies technical expertise to environmental projects and represents Arcadis in client discussions. It is responsible for planning hydrogeologic investigations, including aquifer parameter estimation, groundwater-surface water interaction evaluation, groundwater fate and transport evaluation, analytical and/or numerical groundwater modeling, and conceptual site model development. The Senior Hydrogeologist also directs teams preparing work-planning documents and data-summary reports, and collaborates with project teams across technical disciplines and geographies.

Additional duties include team building, mentoring mid-level staff, and supporting project and account growth by identifying technical solutions and developing teams to address project needs. The role is primarily office-based, with field assignments and travel up to 10%. Arcadis uses a hybrid working structure, with work performed remotely and from the office according to project and client team demands.

Requirements

• Bachelor’s degree in Hydrogeology, Hydrology, or a related field.
• 10 or more years of related experience.
• Strong ability to interpret data, identify and address data gaps, and communicate investigation findings to internal and external teams.
• Ability to establish project objectives, scope Arcadis work products to achieve those objectives, and build teams to deliver projects.
• Experience conducting hydrogeologic investigations at mine sites.

Nice To Haves

• Advanced degree in Hydrogeology, Hydrology, or a related field.
• Strong hydrogeologic skillset, such as proficiency interpreting geologic conditions, aquifer hydraulics, and high-resolution water-level data sets.
• Experience conducting contaminant fate and transport analyses, such as constituent concentration profiles, temporal and spatial concentration variability, plume stability evaluation, capture zone analysis, and analytical or numerical fate and transport analysis.
• Experience evaluating groundwater-surface water interactions.
• Experience supporting mining clients across project phases, including exploration, baseline evaluation, mine development, mine reclamation, and mine closure.
• Familiarity with inorganic/metals chemistry.
• Proficiency using hydrogeologic modeling software such as AQTESOLV, MODFLOW, Groundwater Vistas, or HEC Software.
• Understanding and application of environmental regulations to mining projects, such as NEPA, CERCLA, and state surface water and groundwater programs.

Responsibilities

• Direct and support the design and implementation of site characterization efforts.
• Analyze data and develop conceptual models to advance projects through site investigation, remedial evaluation, and toward closure.
• Establish client and project needs, identify data needs, evaluate available information, and lead teams delivering project work.
• Conduct hydrogeologic evaluations, project scoping and proposal development, and report writing and review.
• Represent Arcadis in client discussions.
• Develop and plan hydrogeologic investigations, including aquifer parameter estimation, groundwater-surface water interaction evaluation, groundwater fate and transport evaluation, analytical and/or numerical groundwater modeling, and conceptual site model development.
• Direct teams preparing work-planning documents and data-summary reports.
• Work with project teams across technical disciplines and geographies.
• Build teams, mentor mid-level staff, and support project and account growth by identifying technical solutions and developing teams to address project needs.
• Communicate with clients, Arcadis technical staff, and project managers, and assemble resources to deliver projects.
• Perform field assignments and travel up to 10%.

Benefits

• Medical, dental, and vision benefits.
• Employee assistance program (EAP).
• 401(k).
• Short-term disability (STD), long-term disability (LTD), accidental death and dismemberment (AD&D), and life insurance.
• Paid parental leave.
• Reward and recognition program.
• Optional wellbeing benefits, adoption assistance, and tuition reimbursement.
• Nine paid holidays.
• 20 days of PTO accrued per year.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior