Senior Process Engineer

Çalık Enerji; Fatih; On-site; TRY 350,000 - 550,000; Full time

Job summary

Çalık Enerji seeks a Senior Process Engineer to join its Istanbul headquarters, focusing on Heat & Mass Balance, PFDs and P&IDs for water and wastewater systems, and cross-functional collaboration.

The ideal candidate will use advanced process simulation tools, assist in equipment specifications, and participate in HAZOP/SIL reviews to ensure compliance with EN, ASME, API and ISO standards. Domestic and international travel is required.

Qualifications

• Minimum 5 years of experience in process engineering within water and wastewater treatment.
• Proficient in process simulation software and HMB calculations.
• Familiar with international codes and EPC project dynamics.
• Fluency in English and willingness to travel.

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.

Skills

Process optimization

Fluid flow analysis

English proficiency

Education

B.Sc. or higher in Chemical Engineering

Tools

Aspen HYSYS

PRO/II

Thermoflow

AutoCAD

Job description

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.