Senior Process Engineer

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

Job summary

Çalık Enerji is seeking a Senior Process Engineer to join the Engineering Division at its Istanbul headquarters. The role focuses on Water and Wastewater systems, with hands-on duties in HMB, PFDs, and P&IDs, and requires strong software skills and international standard compliance.

The candidate will coordinate with other engineering departments, participate in design reviews, and travel domestically and internationally to project sites and vendor offices. Proficiency in English is essential.

Qualifications

• Bachelor-level or higher in Chemical Engineering is required.
• Advanced knowledge of process simulation software and HMB calculations.
• Excellent communication skills in English.
• Willingness to travel domestically and internationally for sites and vendors.

Responsibilities

• Contribute to the preparation and verification of Heat & Mass Balance (HMB), PFDs, and P&IDs for Water and Wastewater Systems.
• Provide technical support in fluid flow and process calculations for Water and Wastewater Projects.
• Assist in preparing technical specifications for equipment and instrumentation.
• Participate in multidisciplinary design reviews (HAZOP, SIL) and coordinate with other engineering departments.
• Ensure compliance with EN, ASME, API, ISO standards.
• Support evaluation of vendor bids and coordinate with external consultants.

Skills

Aspen HYSYS

PRO/II

Thermoflow

AutoCAD

HMB calculations

English communication

Education

B.Sc. or higher in Chemical Engineering

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.