Process Expert (M/F)

Join Suez Consulting as a Process Expert, where you will support the development, design, review, and implementation of municipal water supply and wastewater treatment projects in international environments. You will have a strong expertise in water supply, wastewater, and sludge treatment processes, with proven experience in process design, plant sizing, and technical review across the full project cycle. This is a permanent position based in one of our agencies in Nanterre, Brussels, Warsaw, Bucharest, or Zagreb.

• Act as Project Manager on the project under your main expertise area and provide expert input on the design and optimisation of municipal water supply and wastewater treatment plants.
• Perform and review process calculations and design criteria for water supply, wastewater and sludge treatment facilities, including the sizing of tanks, basins, reactors, clarifiers, pumping systems and process equipment.
• Lead or contribute to the design and review of sludge treatment systems, including thickening, digestion / methanisation, dewatering and final disposal and/or recovery routes.

• **Your Profile**
• **Qualifications**

• Degree in

• **Civil, Chemical or Mechanical Engineering**
• .

• A

• **Master’s degree**
• i
• n
• **wastewater treatment, sanitary engineering, environmental engineering**
• o
• r a related field would be a strong advantage.
• **Professional experience**

• At least

• **10 years of professional experience**
• i
• n the
• **municipal water supply / wastewater sector**
• , with a strong focus on treatment processes.

• Solid experience in both

**wastewater treatment**

a

• nd
• **sludge treatment**
• , including sludge stabilisation and valorisation.

• At least

• **5 years of hands-on experience in process calculations and plant sizing**
• f
• or municipal wastewater treatment facilities, including sludge treatment units.

• Proven experience in the

• **design and dimensioning of at least 10 municipal wastewater treatment plants**
• , including major process units such as tanks, basins and sludge treatment facilities.

• Experience with at least

• **3 different biological or physico-chemical treatment processes**
• .

• Demonstrated experience in treatment plant design for

• **nitrogen and phosphorus removal**
• .

• Strong experience in the

• **sludge line**
• , including
• **anaerobic digestion / methanisation**
• , dewatering and sludge management strategies.

• Good understanding of the operational and design impacts of digestion on the overall plant, especially on the

• **water line**
• t
• hrough return flows and nutrient recirculation.

• Experience in at least

• **2 projects involving construction and installation of wastewater process equipment**
• .

• **Drinking water treatment experience would be an advantage**

, particularly in the design and review of treatment plants for surface water or groundwater, including clarification, filtration, disinfection, chemical dosing and compliance with international drinking water quality standards.

• Experience on

• **international projects**
• , especially in developing countries or emerging markets, would be a strong asset.
• **Technical skills**

• Strong command of municipal

• **wastewater and sludge treatment process design principles**
• .

• Sound understanding of

**Drinking water treatment process.**

• Sound understanding of the interaction between the

• **water line and sludge line**
• , including sludge production, sidestream impacts and plant-wide process integration.

• Proficiency in

• **process modelling and design software**
• , such as
• **AquaDesigner**
• o
• r equivalent tools used for wastewater treatment plant sizing and process evaluation.

• Good knowledge of international design standards, technical guidelines and, ideally, donor-funded project requirements.
• Ability to produce high-quality technical documentation and to critically review third-party designs.
• Strong analytical skills, with the ability to propose robust, practical and cost-effective solutions adapted to local constraints.

**Personal profile**

• Strong analytical and problem-solving skills.
• Able to work independently and effectively within

• **multidisciplinary and multicultural teams**
• .

• Clear communication skills and the ability to explain technical matters to clients, partners, contractors and non-specialists.
• Proactive, practical and solution-oriented approach.
• Strong professional interest in innovation and continuous learning in the wastewater sector.

**Mobility**

• Willingness to travel on short assignments in

**Europe, the Caucasus, Central Asia, Asia

&

• Pacific and Africa**
• .
• **Languages**

• Excellent command of

• **English**
• i
• s required.

• Knowledge of

• **French**
• o
• r other relevant languages would be an advantage.