2015, Environmental Engineer,
Public Utilities, Urban Water Center of municipality, Virginia Beach
- Interpreting the construction drawing and specifications
- Monitoring the maintaining field records
- Mapping the sewer & drinking water distribution systems
2013, Research Assistant
- Bio-degradation of organic UV filters (Benzophenone, Octocrylene)
- Controlling the de/nitrification process
- Analyzing the water quality parameters
2013, Research Assistant
Alfred Wegener Institute for Polar and Marine Researches, Germany
- Extraction of the bio-toxins from algae
- Data analysis & identification of the bio-toxins by LC-MS
2012, Research Assistant
Royal Netherlands Institute for Sea Research
- Measurement of solute transfer rates through PES membrane
- Analyzing polar organic chemical compounds by GC-MS
- Preparing different samples of marine organisms for isotope analysis
2011-2012, Research Assistant
Institute of Combustion and Power Plant Technology, University of Stuttgart, Germany 
- Measurement of the ambient air components and air quality control in a mobile station
- Installation and maintenance of stationary ambient gas analyzers( NOx, CO, O3, PM)
- Working by data acquisition system
2010-2011, Student Research Assistant
- Controlling the waste water treatment procedure, pressure, discharge etc.
2010, Student Technical Assistant
- Forest health evaluation
- Data Analysis of different transects
- Teaching ecological concepts to the high school students
2008-2009, Environmental Planning and Air Pollution Control Expert
South Pars Gas Complex-HSE Center (Assalouyeh).,
- Weekly monitoring of gas emissions and solid waste management
- Ambient air quality measurement by portable devices & Passive diffusive samplers
- Supervising the establishment of the safety rules on the onshore projects
