George Marhelko Email & Phone Number

Warminster, Pennsylvania, United States

Stroudsburg, Pennsylvania, United States

• Worked for Stellar Technology Solutions LLC, which was acquired by Ren.
• Managed physical security, endpoint security, and application control initiatives in a computing environment comprised of 200+ Windows servers, VMWare ESXi servers, and 300+ Windows PCs.
• Orchestrated complete configuration and implementation of Thycotic Delinea software, both on-premises and cloud-based, enhancing application control capabilities and overall security posture.
• Transitioned endpoint security from on-premises Trend Micro Apex One to a cloud version, ensuring seamless security operations and reduced overhead by automating the deployment on all user machines and servers.
• Optimized onsite security measures by strategizing and executing the transition from Kaba E-Plex to a new server for digital key badging.
• Implemented KnowBe4 security awareness training software across all end-user machines, created and administered phishing campaigns, and coordinated remedial awareness training.

Stroudsburg, PA

• Implemented and maintained computer systems and servers; handled the installation and configuration of hardware and software, account and access management, system performance monitoring, and backups.
• Utilized Kace (now Quest) for remote vulnerability patching and a streamlining ticketing system.Executed weekly patches through GFI LanGuard and tested updates in a controlled environment prior to production deployment.
• Collaborated with web production and development teams in building donor-facing IIS shell web pages, monitored using WhatsUp and Overseer.
• Managed the annual renewal and installation of SSL certificates for approximately 150 user-facing client sites.
• Utilized Dell Open Management software for remote access to downed servers, minimizing downtime and maintaining operational readiness.

USS Halyburton (FFG 40), Mayport, Florida

• Served as Primary Network Administrator, managed two networks with ten servers, four switches, three routers, and one hundred twenty workstations.
• Managed System Security Plan, updated documentation and inventories. Implemented numerous security patches and updates, software upgrades, and weekly security scans of all enclaves.
• Managed and trained three personnel, assisted in completing all their primary qualifications for their experience level.
• Devoted eighty-four man hours during a five day Commander Navy Cyber Forces (COMNAVCYBERFOR) exercise, successfully denying ninety-eight percent of all outside intrusions detected on all enclaves. This effort resulted.

Navy Information Operations Command, Misawa, Japan

• Led four departmental training supervisors in tracking all training requirements for one hundred fifty plus personnel resulting in a ninety-three percent completion rate for the command.
• Organized and compiled monthly training reports and directly briefed the commanding officer.
• Coordinated command’s annual inventory on all information systems equipment, accurately accounting for $250,000 worth of equipment located in two facilities and achieved one hundred percent accountability rate for.

USNS Concord (T-AFS 5), CNIC Naval, Guam

• Supervised and trained six personnel on SUADPS-RT Systems Operator Batch Executive (OBE) jobs, ensuring over 600 jobs were completed in conjunction with monthly, weekly, and daily backups with zero discrepancies noted.
• Maintained sixty-four shipboard computer systems with over one hundred fifty user accounts.
• Was responsible for installing all required Information Assurance Vulnerability Alert/Bulletins (IAVA/B) patches and oversaw the operational readiness of the network resulting in a ninety-nine percent uptime.

USS Guardian (MCM 5), Sasebo, Japan

• Spent 30 off duty hours assisting in the rebuilding and restoring of the SIPRNET systems after they suffered a critical failure and returned them to one hundred percent operability.
• Took the lead on developing a thorough AIS/ADP inventory, devoting approximately sixty off duty hours collecting and compiling the applicable data and obtaining one hundred percent accountability. Also revamped the.
• Coordinated the development of four Standard Operating Procedures and overhauled the Duty IT Job Qualification Requirement (JQR) enabling new personal to be more effective in their watch standing duties.