Ioannis Sideratos

Chief engineer for Motor Yacht ToyA

Chief Engineer – Electric Propulsion Vessels

Served as Chief Engineer exclusively on vessels equipped with electric propulsion systems.

• Responsible for the full operation, maintenance, and performance optimization of electric propulsion, power generation, and distribution systems.

• Supervised engine room crew and ensured adherence to international maritime safety, environmental, and technical standards.

• Diagnosed and resolved complex electrical and mechanical issues to maintain high operational efficiency and vessel reliability.

• Collaborated with bridge officers to ensure smooth integration of propulsion with navigational operations.

Operated as 2nd and Chief Engineer on vessels with TFDE

Held roles of 2nd Engineer and Chief Engineer managing engineering systems on LNG/C vessels.

• Maintained high safety, environmental, and performance standards in accordance with international regulations and LNG industry best practices.

Technical Expertise

• Marine engineering watchkeeping duties, including real-time monitoring and control of propulsion and auxiliary systems

• Operation, maintenance, and troubleshooting of mechanical, electrical, and fuel systems integral to LNG vessel performance

• Proficient in low-pressure steam systems, lube oil systems, fuel handling, boilers, and water cooling circuits

• Hands-on experience with air compressors, evaporators, coolers, and centrifugal separators

• Skilled in the inspection, repair, and maintenance of valves and various pump types (centrifugal, axial flow, piston, gear)

Engine & Propulsion Systems Experience

• Wärtsilä 8L50DF TFDE – 4-stroke dual-fuel engine (electric propulsion)

• Wärtsilä 12V50DF TFDE – 4-stroke dual-fuel engine (electric propulsion)

Marine Engineer Career Progression & Technical Expertise

• Progression from Class C to Class B Engineer in the Eastern Mediterranean, demonstrating strong performance, technical competence, and commitment to professional development.

• 2nd Engineer on Oil Tankers, with hands-on responsibility for the operation, maintenance, and troubleshooting of main and auxiliary machinery under international safety and environmental standards.

• Extensive Technical Expertise in marine and mechanical engineering systems, including:

• Marine watchkeeping and engineering duties

• Operation and maintenance of propulsion and auxiliary machinery

• Low-pressure steam systems, fuel, lube oil, boiler, and water cooling systems

• Operation and servicing of air compressors, evaporators, heat exchangers, and centrifugal separators

• Maintenance and repair of various valve types and pumps (centrifugal, axial flow, piston, gear)

Main Engine Experience

• Sulzer RTA80 / RTA96-C – 2-stroke engines

• HHM B&W 6560MC-C – 2-stroke engines

• Sulzer RT-FLEX60 – 2-stroke electronically controlled engines

Marine Engineer – Overseas Experience

Technical Proficiency

Overseas Assignment | 6 Years

• Launched my international career as a Marine Engineer, successfully completing a 6-year tenure aboard commercial vessels.

• Participated in all scheduled dry dockings of the fleet, contributing actively to overhauls, inspections, and technical upgrades.

• Consistently performed engineering duties with a high level of professionalism, safety awareness, and technical reliability.

Technical Expertise

• Watchkeeping responsibilities and round-the-clock monitoring of all marine engineering systems

• Operation, troubleshooting, and maintenance of main propulsion and auxiliary machinery

• Systems experience: low-pressure steam systems, lube oil, fuel systems, boilers, and cooling water systems

• Maintenance of air compressors, evaporators, heat exchangers, and centrifugal separators

• Skilled in valve repair and pump servicing (centrifugal, axial flow, piston, and gear pumps)

Main Engine Experience

• Sulzer RTA70 / RTA80 – 2-stroke engines

• My position in galaxy marine as Service Engineer for repairs in CPP Propellers&Automation Systems and Bowthruster Repairs.

• Service Engineer MTU Engines and Detroit Diesel

Supervising Engineer – Dry Dock Operations.

• Joined the company immediately after graduating from the Marine Academy and completing military service, beginning a career in ship repair and dry dock supervision.

• Held the position of Supervising Engineer, overseeing technical operations and project execution during dry dock periods for various vessels.

Key Responsibilities & Achievements

• Coordinated and supervised maintenance, inspections, and repair works during dry dock projects, ensuring compliance with technical standards and timelines.

• Demonstrated strong problem-solving skills, working both independently and collaboratively with cross-functional teams.

• Organized, prioritized, and managed workloads efficiently to meet deadlines and operational objectives.

• Led the recruitment, onboarding, and training of new engineering staff, contributing to workforce development and team performance.

• Maintained productive relationships with contractors, suppliers, and internal departments to ensure smooth execution of all engineering tasks.

• Brought forward creative solutions and technical input that enhanced operational efficiency and vessel performance.

• Handled high-pressure workloads with composure, using excellent organizational and multitasking abilities.