سفيان هيشر

Mechanical maintenance of power plants.

Mechanical maintenance of GE Gas Turbines (9001FA, 7001E, 9E).

Mechanical maintenance of GE Generators (324LU and 324LD).

Mechanical maintenance of Siemens Gas Turbines (SGT5-4000F - models 94.3, 94.7, and 94.8).

Mechanical maintenance of GE Steam Turbines (A10).

Mechanical Maintenance of Power Plants
• Specialized in the mechanical maintenance of Siemens SGT5-4000F gas turbines and their auxiliaries.
• Hands-on experience in the mechanical maintenance of GE 9001FA gas turbines, including inspection and overhaul procedures.
• Skilled in the maintenance of power plant auxiliary systems, including:
- Water treatment units
- Gas regulating and metering stations
- Compressed air systems

These practical experiences have strengthened my ability to diagnose, maintain, and improve the performance and reliability of key mechanical systems in power generation facilities..
Hands-on Mechanical Maintenance of Steam Turbine (ST) and Gas Turbine (GT) Generators

Mechanical Engineering and Supervision of Cement Plant Installation
Supervised and coordinated mechanical operations for the assembly and installation of two cement production lines, ensuring compliance with engineering standards, project timelines, and safety regulations. Responsibilities included:
• Reviewing technical drawings and installation plans
• Managing mechanical teams and subcontractors on-site
• Overseeing the alignment and installation of rotary kilns, mills, conveyors, and auxiliary equipment
• Ensuring quality control and resolving technical issues during erection and commissioning phases.

Maintenance and Operation of Petroleum Wet Solidification Unit
Involved in the maintenance and daily operation of a petroleum wet solidification unit, ensuring safe handling and treatment of petroleum-based sludge and residues. Responsibilities included:
• Monitoring system performance and process parameters
• Performing routine and corrective maintenance on pumps, agitators, valves, and filtration systems
• Ensuring compliance with HSE standards for hazardous waste processing
• Supporting troubleshooting activities to minimize downtime and optimize treatment efficiency

Contracts Management
Experience in managing technical and service contracts within industrial and energy sectors. Responsibilities included:
• Drafting, reviewing, and negotiating contracts with suppliers and service providers
• Monitoring contract execution to ensure compliance with technical specifications, timelines, and budgets
• Coordinating with legal, procurement, and technical departments for contract amendments and renewals
• Managing claims, variations, and ensuring documentation is properly archived
• Supporting tendering processes and evaluation of bids based on technical and financial criteria

Management of mechanical maintenance activities, including servicing and upkeep of both mobile and stationary equipment such as cranes, trucks, sidebooms, and welding machines.

Mechanical Shift Operations: Ensuring the smooth operation of production processes while maintaining the safety of both personnel and equipment. Responsibilities also include diagnosing and repairing mechanical and electrical faults as needed.

Ensuring the smooth running of production machines and equipment maintenance

Oversaw the mechanical installation of essential factory components, including rails, ovens, and dryers, ensuring optimal functionality and safety.
• Coordinated with cross-functional teams to streamline installation processes, enhancing operational efficiency.
• Implemented best practices and quality control measures, resulting in reduced downtime and improved equipment reliability.
• Developed training programs for maintenance staff, fostering a culture of continuous improvement in mechanical engineering practices.
• Conducted regular inspections and maintenance checks, proactively identifying and resolving potential issues to minimize disruptions.
• Leveraged technical expertise to troubleshoot complex mechanical systems, ensuring seamless production operationst.