Nizar Boulajoul
Zurich
Summary
Environmental engineer specialized in water and wastewater treatment processes, with strong experience in process design, sizing, and performance optimization. Experience supporting engineering studies and technical offers, working at the interface between process engineering, operational constraints, and stakeholder needs. Used to translate complex technical analyses into clear, actionable recommendations for solution selection and engineering decision-making. Strong interest in engineering consulting and technical sales support, with motivation to further develop client-facing responsibilities in the water sector.
Overview
4
4
years of professional experience
Work History
Master's thesis project
Eawag
Dubendorf
09.2025 - 03.2026
- Development of a dynamic process model of a full-scale MBBR system for nutrient removal, design, and optimization.
- Translation of operational constraints into engineering parameters (loading rates, oxygen demand, phase duration)
- Scenario analyses to support process selection, sizing, and optimization
- Close collaboration with industrial partner (Veolia) to align model results with real plant operation and engineering decision-making
Contractual Research Assistant
Eawag
Dubendorf
10.2023 - 02.2024
- Hands-on operation of pilot-scale membrane bioreactor (MBR) systems
- Support to process operation, monitoring, and troubleshooting under varying conditions
- Involvement in membrane cleaning strategies and performance recovery evaluation
- Data analysis to assess process stability, fouling behavior, and treatment efficiency
- Contribution to operational and optimization recommendations based on experimental results
Master’s Research Project
ETH Zurich
Zurich
10.2023 - 01.2024
- Development of simplified dynamic models of stormwater treatment and control systems to support engineering design and performance assessment
- Simulation of highly variable hydraulic and pollutant loads under real rainfall conditions
- Analysis of system behavior to identify critical operating conditions and design bottlenecks
- Use of modeling results to support infrastructure sizing, optimization, and retrofit strategies
- Translation of model outputs into practical recommendations for planners and decision-makers
Intern Engineer
OCP green water
Jorf Lasfar, El Jadida
07.2022 - 09.2022
- Participation in the engineering of a large-scale seawater desalination project
- Exposure to reverse osmosis process design and system integration
- Support to water quality assessment and technical reporting
- Participation in technical meetings and project coordination
Education
Master of Science (MSc) - Environmental Engineering And Technologies
Eidgenössische Technische Hochschule Zürich, ETHZ
Zurich, Switzerland03-2026
Bachelor of Science (Bsc) - Environmental Sciences And Engineering
Ecole Polytechnique Fédérale De Lausanne EPFL
Lausanne, Switzerland08-2022
Skills
Technical skills:
- Water and wastewater treatment processes (drinking water & WWTPs)
- Biological treatment systems (MBBR, activated sludge, MBR)
- Membrane technologies (MBR, ultrafiltration, reverse osmosis)
- Process design, sizing, and performance evaluation
- Process modeling and scenario analysis under variable operating conditions
- Technical reporting and support to engineering studies and technical offers
Soft skills :
- Clear and structured communication of technical topics to diverse stakeholders
- Ability to work at the interface between engineering, operation, and client needs
- Structured, reliable, and solution-oriented approach to problem solving
- Adaptability and professionalism in client-facing and project-based environments
- Team-oriented mindset with excellent collaboration skills
- Approachable, sociable, and comfortable engaging in professional discussions with diverse stakeholders
Languages
French
First Language
English
Proficient (C2)
C2
Spanish
Upper Intermediate (B2)
B2
Arabic
Advanced (C1)
C1
German
Elementary (A2)
A2
Timeline
Master's thesis project
Eawag
09.2025 - 03.2026
Contractual Research Assistant
Eawag
10.2023 - 02.2024
Master’s Research Project
ETH Zurich
10.2023 - 01.2024
Intern Engineer
OCP green water
07.2022 - 09.2022
Master of Science (MSc) - Environmental Engineering And Technologies
Eidgenössische Technische Hochschule Zürich, ETHZ
Bachelor of Science (Bsc) - Environmental Sciences And Engineering
Ecole Polytechnique Fédérale De Lausanne EPFL