Gregory Potemken

Gregory Potemken

Strategic Sealift Officer - LT (O3)

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location of Gregory PotemkenDenver, Colorado, United States

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  • Timeline

  • About me

    Marine Engineer at FleetZero | Battery-Electric Ships

  • Education

    • United States Merchant Marine Academy

      2012 - 2016
      Bachelor of Science (B.S.) Marine Engineering & Shipyard Management
  • Experience

    • U.S. Navy Reserve

      Jun 2016 - now
      Strategic Sealift Officer - LT (O3)

      Commissioned officer in the U.S. Navy Reserve assigned to serve U.S. Naval activities that support strategic sealift in times of national defense or emergency.

    • American Maritime Officers

      Jul 2016 - Jun 2023
      Marine Engineer

      •Sailed aboard various maritime vessels within the American Maritime Officers Union.•Most of that time spent working for Tote Services on the USNS SBX-1, a Sea-Based X-Band Radar, semi-submersible, self-propelled radar platform that provides satellite and ballistic missile-tracking information for the Missile Defense Agency.•Engineering supervisor for two licensed engineers and three junior engineers.•Managed engine room personnel through machinery repair projects and ship operations.•Maintained mission ready status of engine room operations.•Analyzed machinery history and operational data to prevent failures and ensure operational requirements are being met.•Extensive experience operating diesel electric ships.•Also have experience operating steam ship plants.•Performed maintenance, overhauls, and troubleshooting of various engine room systems, including diesel generators, fuel purifiers, potable water generators, compressors, and hydraulic machinery.•Respond to vessel fire and emergency situations while maintaining power generation throughout response. Show less

    • CACI International Inc

      Apr 2021 - Jun 2021
      Field Service Representative

      •Contractor Quality Assurance Representative for NSWCCD Code 80 Support•Responsible for monitoring shipyard repair work being performed on Military Sealift Command (MSC) vessels.•Ensured that the requirements set forth in government generated work items are met by performing contractors.•Collaborated with customer, contractors, and colleagues to resolve issues.•Drafted Contract Change Orders to meet new or revised product requirements.•Prepared estimates for new items and emergent work throughout ship repair availability.•Assisted Port Engineer to lead projects through ownership of milestone deliverables. Show less

    • Fleetzero

      May 2023 - now
      1st Assistant Engineer

      Currently assisting in the conversion of the first ship of the fleet, the Pacific Joule. The Pacific Joule is a diesel-electric supply vessel that we are converting into a battery-electric ship with the purpose of pioneering innovation of the world’s first long-range zero-emission electric container ship.

  • Licenses & Certifications

    • Chief Engineer (Unlimited) of Motor Vessels

      U.S. Coast Guard
      Jun 2024
    • Securities Industry Essentials

      FINRA
      Aug 2022
    • AWS Certified Cloud Practitioner

      Amazon Web Services (AWS)
      May 2022
      View certificate certificate
    • Axis Certified Professional

      Axis Communications
      Mar 2025