Remote

Senior Integrated Surface/Ground Water Modeler

Apex Companies, LLC

$100,000-$150,000

United States

Jan 15, 2026

Are you highly motivated, hard-working, and seeking to join a growth-focused consulting & engineering firm? Are you looking for a company that will invest in your development and grow your professional skills? If so, consider a career with Apex!

Powered by record sales, extraordinary client retention, strategic acquisitions, and an entrepreneurial spirit, Apex Companies is one of the fastest growing engineering and environmental consulting firms in the US.We were recently recognized by the Zweig Group as one of the fastest growing firms in the AEC industry.We take pride in providing our clients with exceptional service and have earned numerous awards for project excellence. We continue to grow, andwe want you to grow with us.

Apex Companies, LLC is seeking an experienced Water Resources Professional to join our team. This position is ideal for a Hydrogeologist, Water Resources Engineer, or Scientist with strong expertise in integrated surface and groundwater modeling using MIKE SHE and MIKE 11.

Key Responsibilities:

Develop and manage integrated surface/groundwater models using MIKE SHE / MIKE 11.
Create modeling input files from scratch and perform model calibration and scenario analysis.
Edit and create grid files, program MIKE 11 structures, and post-process grid and MIKE 11 result files.
Communicate technical work and findings effectively with clients.
Manage project schedules to ensure timely and effective delivery of client and project requirements, as well as overseeing the financial performance and budget.
Supervise and mentor junior staff members.

Qualifications:

Bachelor of Science Degree in engineering, hydrogeology, geology, environmental sciences, or earth science-related field.
Masters of Science degree desired.
4 years of experience with MIKE SHE / MIKE 11 modeling.
Solid understanding of ArcGIS, hydrology, hydraulics, and hydrogeology.
Strong analytical and problem-solving skills.
Excellent communication and client interaction abilities.
Leadership skills and willingness to guide junior team members.
Flexible on location in US with willingness to travel to Tampa or Fort Myers office.
Salary range dependent on location and years of experience.

Apex Job Title: Sr. Scientist

Req ID: 11046

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Annual Expected Pay Range

$100,000 — $150,000 USD

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