Ahmed Elhosseiny

• Performed preventive and corrective maintenance for various types of chillers (air-cooled and
water-cooled) brands (York, carrier, zamil, betra, trane, skm, ) to ensure optimal performance and reduce
downtime.
• Conducted inspection activities for mechanical and electrical systems, including routine site inspections,
equipment condition assessments, and compliance checks with safety and operational standards.
• Diagnosed mechanical and electrical faults in chillers, pumps, and boilers using measurement tools and
control systems.
• Followed up on customer issues, provided rapid technical support, and ensured timely resolution of
complaints to maintain high customer satisfaction.
• Monitored HVAC system performance, analyzed operational readings, and implemented adjustments to
improve energy efficiency.
• Developed and executed preventive maintenance (PM) plans and prepared detailed technical reports on
failures and repairs.
• Coordinated with operations and procurement teams to ensure availability of spare parts and timely
completion of maintenance tasks.
• Supported installation, commissioning, and startup of new chillers, pumps, and boiler systems.
• Improved chiller performance and reduced energy consumption through enhanced maintenance
strategies.
• Reduced recurring breakdowns by implementing early-fault detection methods.
• Increased equipment reliability and minimized unplanned downtime through optimized maintenance
planning.

• Performed preventive and corrective maintenance on diesel power generators used for critical military
operations.
• Operated and monitored generator systems to ensure stable power output for battery‑charging units and
essential equipment.
• Diagnosed electrical and mechanical faults, replaced defective components, and ensured compliance with
military safety standards.
• Conducted routine inspections, load testing, and performance checks to maintain high equipment
reliability.
• Managed battery‑charging operations, including monitoring charging cycles, ensuring proper storage, and
preventing equipment downtime.
• Collaborated with engineering and technical teams to support mission‑critical power supply needs.
• Maintained accurate maintenance logs, reports, and equipment records under strict military procedures.

(MEP project for(DEKLT)
• Understanding HVAC (Heating, Ventilation, and Air Conditioning) design, including load calculations,
ductwork, and equipment selection and Learning about factors like insulation, solar exposure, occupancy,
and equipment heat output.
-using Engineering programs like (HAP, McQUAY, AUTOCAD, EXCEL, ….)
-Learning about fire protection systems and energy-efficient designs.
-Understanding codes and standards related to electromechanical system installations.
-Coordinating MEP systems to avoid clashes and ensure efficient use of space.
• Considering green building practices, renewable energy sources, and energy-saving technologies.
• Conducting fire risk assessments to identify potential hazards and vulnerabilities.
-Adhering to local fire codes and regulations to ensure compliance and safety(NFPA).
• Designing and installing fire protection systems in the hospital .

• Assisted in the maintenance and repair of hotel facilities.
• Performed preventative maintenance tasks to avoid potential system failures.
• Collaborated with other departments to improve guest satisfaction.
• Documented all maintenance activities and reported to the chief Engineer.
-Work on York Chiller(yciv) & Carrier chiller and know the appropriate temperatures and
pressures to achieve the quality of Chiller work.
I was responsible for the process of unloading, installing and connection the piping sys of
standby air-cooled trane chiller .

• I have learned the basics about pumps, air compressors, heat exchangers, piping components and boilers
• Understanding the piping system and focus on (piping components and codes & standers )

• Troubleshooting and repairing faults within refrigeration and air conditioning systems, including
replacing worn parts like seals and motors.
• Good experience in FCU, AHU, SPLIT UNITS, fan motors of chiller condenser, CHILLERS
and pumps .
•

• Damping mechanisms (such as viscous damping or material damping) help dissipate energy and reduce vibrations.
• Designing systems with appropriate damping ratios to achieve stability and minimize oscillations.
-Implementing vibration isolation methods to protect sensitive equipment or structures. -Examples include using rubber mounts, air springs, or tuned mass dampers.

• Conscientious and hardworking with a proven commitment to safe and smooth facility operation.
• HVAC system maintenance and repair: Performed preventative maintenance on chillers, PTAC units
(packaged terminal air conditioners), and boilers to ensure optimal performance .
• Familiar with the rules governing the relationship between workers and tourists and an expert in hotel
infrastructure.
•

• Understanding the Maintenance Engineer Skills Manual and how to adjust pressures in hydraulic
systems.

-handling customer complaints .
-Working in team work
-Managing phone calls and bookings to keeping the reception area tidy .