Senior Process Engineer

We, as Çalık Enerji, offer the energy from nature to the people to build a better and sustainable future.Since its establishment in 1998, the company has become one of the world’s leading energy firms, successfully executing projects across Europe, the CIS, the Middle East, Central Asia, Africa, and the Balkans. Operating in Poland, Hungary, Romania, Switzerland, Turkmenistan, Uzbekistan, Libya, Iraq, and Senegal, Çalık Enerji focuses on three main business lines: EPC Contracting, Distribution & Retail, and Renewable Energy Investments. We are seeking a Senior Process Engineer to join our Engineering Division at Çalık Enerji Headquarters in Istanbul. Responsibilities Contribute to the preparation and verification of Heat & Mass Balance (HMB), PFDs, and P&IDs for the Water and Wastewater Systems. Provide technical support in fluid flow and process calculations for the Water and Wastewater Systems. Assist in preparing technical specifications for equipment and instrumentation for the Water and Wastewater Systems. Participate in multidisciplinary design reviews (HAZOP, SIL, etc.) and coordinate with other engineering departments. Ensure compliance with international codes and standards (EN, ASME, API, ISO). Support the evaluation of vendor technical bids and coordinate with external engineering consultants. Qualifications B.Sc. or higher degree in Chemical Engineering. Minimum 5 years of experience in process engineering within the Water and Wastewater Treatment. Advanced knowledge of process simulation software (Aspen HYSYS, PRO/II, Thermoflow, AutoCAD) and HMB calculations. Strong understanding of international standards and EPC project dynamics. Professional fluency in English with excellent communication skills. Willingness to travel domestically and internationally to project sites or vendor offices.