Lead Commissioning Engineer (Mechanical)

Ronesans Endustri Tesisleri; Zonguldak Merkez; On-site; TRY 300,000 - 460,000; Full time

Benefits offered by this job

Performance-based bonus

Health insurance

Training & development

Job summary

Rönesans Holding is seeking a Mechanical Commissioning Engineer with a strong background in oil and gas to lead pre-commissioning, commissioning, start-up and performance testing of rotating equipment.

You're expected to review drawings, vendor docs, prepare procedures, manage mechanical completion through handover, and coordinate with vendors and clients. Excellent English communication and hands-on knowledge of completion systems such as Aconex are essential.

Qualifications

• Bachelor's Degree in Mechanical Engineering.
• 5-7 years of commissioning experience in Oil & Gas.
• Hands-on with rotating equipment and compressor systems.
• Experience with Completion Management Systems (Aconex/GoTech/Go Completion).
• Excellent English communication.

Responsibilities

• Lead pre-commissioning, commissioning, start-up, and performance testing of rotating mechanical equipment.
• Review engineering drawings, vendor documents, and contract requirements for commissioning compliance.
• Prepare and review commissioning procedures, method statements, and schedules.
• Manage mechanical completion through to facility handover using Completion Management Systems.
• Coordinate with vendors, clients, construction and multidisciplinary commissioning teams.
• Supervise equipment preservation, flushing, cleaning, lubrication, alignment verification, and testing.
• Support troubleshooting, performance testing, reliability runs, and punch list close-out.
• Prepare commissioning progress reports, final dossiers, turnover packages, and handover documentation.

Skills

Rotating equipment alignment

Vibration monitoring

Performance testing

Commissioning documents

English communication

Education

Bachelor's Degree in Mechanical Engineering

Tools

Aconex

GoTech

Go Completion System

Job description

Founded in 1993, Rönesans Holding operates today as a main contractor and investor across a wide geography spanning Türkiye, Europe, Central Asia, and Africa, with activities in construction, real estate, energy, industrial facilities, and healthcare.

With more than 40,000 employees and a global team representing over 60 nationalities, Rönesans ranks among the world’s largest contracting companies and continues to deliver innovative engineering projects on a global scale, driven by its vision of building a sustainable future.

What You'll Do?

• Lead and execute pre-commissioning, commissioning, start-up, and performance testing activities for rotating mechanical equipment.
• Review engineering drawings, vendor documentation, and contractual requirements to ensure commissioning requirements are incorporated into the project.
• Prepare and review commissioning procedures, method statements, execution plans, and schedules.
• Manage mechanical completion through to facility handover using Completion Management Systems.
• Coordinate with vendors, clients, construction, and multidisciplinary commissioning teams during commissioning and start-up.
• Supervise equipment preservation, flushing, cleaning, alignment verification, lubrication, and mechanical run testing.
• Support troubleshooting, performance testing, reliability runs, and punch list close-out.
• Prepare commissioning progress reports, final dossiers, turnover packages, and handover documentation.
• Ensure compliance with HSSE requirements and promote a strong safety culture throughout all commissioning activities.

What We Expect from You?

• Bachelor's Degree in Mechanical Engineering (mandatory).
• Minimum 5-7 years of commissioning experience in the Oil & Gas industry.
• Strong hands-on experience with:
• Centrifugal Gas Compressors,
• Gas Engine Generator Packages,
• Centrifugal and Positive Displacement Pumps,
• Air Compressors,
• Cooling Water Systems,
• Lube Oil and Seal Gas Systems,
• Utility and Process Mechanical Equipment,
• Rotating equipment alignment, vibration monitoring, and performance testing.
• Good understanding of compressor auxiliaries, piping systems, lubrication systems, and mechanical troubleshooting.
• Hands-on experience with Completion Management Systems such as Aconex, GoTechnology (GoTech), Go Completion System, or equivalent.
• Proven experience in mechanical completion, commissioning, start-up, performance testing, and facility handover.
• Strong knowledge of commissioning documentation, turnover dossiers, and final handover packages.
• Excellent communication skills in English and the ability to work effectively with clients, vendors, and multidisciplinary teams.

What We Offer?

• Performance-based bonus practices that recognize and reward success
• Comprehensive benefits and employee support programs
• Private Health Insurance benefits designed to support employee health and well-being
• Training and development programs that foster professional and personal growth

Our Diversity and Equality Statement

Rönesans Holding is among the signatories of the United Nations Global Compact, which calls on companies to align their strategies and operations with universal principles on human rights, labor, environment and anti-corruption, and to take actions that advance societal goals. Rönesans Holding adopts the universally accepted principles based on the declarations recognized within the framework of the United Nations Global Compact.

Rönesans Holding is an employer that aims to ensure equality in its human resources practices by upholding transparent and ethical values, without compromising its core principles of integrity, competitiveness and innovation.

All applications are evaluated based on equal opportunity, regardless of gender, language, religion, race or ethnic origin, and no discrimination is applied.