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Environmental Chemist​/Hydrologist

Job in Fort Belvoir, Fairfax County, Virginia, 22060, USA
Listing for: ARA
Full Time position
Listed on 2026-10-16
Job specializations:
  • Engineering
    Research Scientist
Salary/Wage Range or Industry Benchmark: 90000 USD Yearly USD 90000.00 YEAR
Job Description & How to Apply Below

The Missons, Concepts and Capabilities (MCC) division of Applied Research Associates, Inc. (ARA) is looking for an Environmental Chemist/Hydrologist
. This position provides operational, research and development, and training support along with subject matter expert advice and decision support to the Defense Threat Reduction Agency (DTRA) as part of its 24/7/365 Technical Reachback Support program. The ideal candidate will apply subject matter expertise and problem-solving skills to develop, integrate, test, verify, validate, and apply CBRNE software/scenarios based on experiments and predicted phenomena using theoretical and computational methods.

The successful candidate will provide general knowledge and subject matter expertise as an Environmental Chemist or Hydrologist in support of the Defense Threat Reduction Agency (DTRA). The candidate will work closely with other members of the multi-disciplinary Reachback team. Required tasks include performing complex engineering and scientific modeling and analyses and providing scientific reports and technical assessments to military decision makers.

Each Technical Reachback team member is cross trained on all models and undergoes a rigorous certification process on the use of our CBRNE models before becoming an active member of the Reachback team.

Required Qualifications
  • Must have a completed MS in Chemistry, Environmental Chemistry, Hydrology or a related field OR be close to completing an MS program in Chemistry, Environmental Chemistry, Hydrology or a related field
  • Candidate should be able and willing to work rotating shifts in support of 24/7/365 operations
  • Must be a US Citizen
  • Ability to obtain and maintain a US DoD Top Secret clearance
  • Strong communication skills, both orally and verbally, technical presentation, teamwork mentality, graphic visualization and Microsoft Office proficiency skills are required
  • Willingness to be cross-trained to provide modeling and information across the CBRNE spectrum.
Desired Qualifications
  • Experience with modeling and simulation
  • Active US DoD Secret or Top Secret clearance
Compensation & Benefits:

Pay Ranges:
From $90,000.00 - $ per year based on years of experience, degree and any special skills and knowledge that you may bring to the position. We mostly reserve the upper half of our compensation bands for internal growth. During all call with one of our recruiters or hiring managers, they can further clarify the salary range and total compensation. ARA offers competitive benefits that address our employees’ needs now and in the future.

Learn more about each of our benefits at

Company Information

Applied Research Associates, Inc. is an employee-owned international research and engineering company recognized for providing technically superior solutions to complex and challenging problems in the physical sciences. The company, founded in Albuquerque, NM, in 1979, currently employs 1100 professionals. ARA offices throughout the United States and Canada provide a broad range of technical expertise in defense technologies, civil technologies, computer software and simulation, systems analysis, environmental technologies, and testing and measurement.

The corporation also provides sophisticated technical products for environmental site characterization, pavement analysis, and robotics.

At ARA, employees are our greatest assets. The corporation realizes that employee ownership fosters greater creativity and initiative along with higher performance and customer satisfaction levels. ARA gives its employees the tools, training, and opportunities to take more active roles as owners. The culture is challenging; innovation and experimentation are the norm. Employees are eligible for contributions which not only add to the company’s success, but also their own through the Employee Stock Ownership Plan (ESOP).

The motto, “Engineering and Science for Fun and Profit” sums up the ARA experience. For additional information and an opportunity to join this unique workplace, please visit our website at

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