Marios Mavroudis
Tennessee Colony
Summary
Offering robust foundation in educational methodologies and dedicated interest in fostering student development. Brings analytical thinking and effective communication to classroom, ensuring supportive and productive learning atmosphere.
As education professional, brings comprehensive teaching experience and commitment to fostering academic excellence. Focuses on creating inclusive and engaging learning environments that encourage student success. Known for effective teamwork and adaptability in dynamic educational settings.
Overview
27
27
years of professional experience
Work History
Computer Science College Instructor
Trinity Valley Community College
08.2021 - Current
- Administered exams and assignments to monitor student understanding and progress, implementing systems to fix blocks in comprehension or learning.
- Worked one-on-one with struggling students to optimize classrooms performance.
- Designed course materials that aligned with learning objectives while also meeting diverse learning needs of the student population.
Systems Support Specialist
Texas Department of Criminal Justice
10.2016 - 09.2021
- Implemented preventative maintenance schedules which resulted in decreased instances of equipment failure or malfunction.
- Contributed to cross-functional projects as the subject matter expert in IT infrastructure support services.
- Performed technical support and troubleshooting services to optimize system performance.
- Collaborated with IT team members to design, implement, and maintain complex network infrastructures.
- Improved system performance by diagnosing and resolving hardware, software, and network issues.
- Optimized server performance by conducting routine maintenance tasks such as patching, updates, and configuration management.
- Assisted in the migration of legacy systems to modern platforms, minimizing disruptions to daily operations.
- Provided exceptional customer service through clear communication, active listening, and prompt issue resolution.
- Established strong working relationships with colleagues across departments fostering collaboration on interdepartmental projects.
- Set up hardware and software in optimal configurations to meet network performance requirements.
- Monitored network hardware operations to evaluate proper configuration.
IT Technician / Infrastructure
Virtual Communication Specialists
09.2015 - 10.2016
- Maintained office PCs, networks and mobile devices.
- Established, repaired and optimized networks by installing wiring, cabling and devices.
- Provided remote technical support, resolving issues quickly without requiring onsite visits whenever possible.
- Managed system-wide operating system and software deployments as well as related software upgrade problems.
Technical Support Specialist
Digital Recognition Network
11.2012 - 09.2015
- Troubleshot networking issues including connectivity problems, slow speeds, or complete outages effectively restoring service functionality promptly.
- Created user accounts and assigned permissions.
- Configured and tested new software and hardware.
- Installed, configured and maintained computer systems and network connections.
- Patched software and installed new versions to eliminate security problems and protect data.
- Removed malware, ransomware, and other threats from laptops and desktop systems.
- Responded to customer inquiries and provided technical assistance over phone and in person.
Commissioned Security Officer (TxDPS)
Securitas Security Services USA, Inc.
08.2011 - 08.2015
- Utilized excellent communication skills when liaising with local authorities during emergencies or ongoing investigations.
- Supported event planning teams by coordinating effective security measures for large-scale functions onsite.
- Maintained detailed records of daily activities, incidents, and relevant information for management review.
- Delivered comprehensive incident reports to management, providing detailed accounts of security events and actions taken in response.
- Maintained high levels of vigilance while on patrol, identifying suspicious behavior promptly and taking appropriate action to address potential threats.
- Enhanced security measures by conducting regular patrols and monitoring CCTV systems.
Game Systems Technician Level 1(contract Employee)
GameStop
01.2011 - 06.2011
- Improved system efficiency by optimizing hardware and software configurations.
- Interpreted test information to resolve design-related problems.
- Completed in-depth performance tests of parts and systems undergoing design optimization in simulated environments.
- Evaluated finished assemblies for compliance with standard procedures and design requirements.
- Updated hardware and software platforms by implementing automation and efficiency improvements.
Cell Phone Technician (contract Employee)
RadioShack
10.2009 - 09.2010
- Conducted regular quality checks on repaired devices, ensuring long-lasting functionality postrepair.
- Developed troubleshooting guides for common cell phone issues, expediting diagnosis process for technicians.
- Repaired cell phones with accuracy and attention to detail, reducing repeat visits for the same issue.
- Erased user data, debugged application issues and refurbished devices for resale.
- Implemented preventive maintenance measures for common cell phone issues, reducing repair frequency for clients.
- Removed, fixed and replaced components such as LCD screens, home buttons and charging ports.
Administrator -Financial Dept. / Distribution/Merchandiser
COSMOTE Mobile Telecommunications SA. (Greece)
07.2004 - 10.2008
- Handled sensitive information discreetly, maintaining strict confidentiality at all times as required by company policy or legal regulations.
- Maintained personnel records and updated internal databases to support document management.
- Maintained accurate documentation of company policies and procedures for easy reference by all employees.
- Served as a liaison between departments, fostering open communication channels that improved overall organizational function.
- Negotiated with vendors to secure more favorable terms, resulting in cost savings for office expenses.
- Optimized supply chain logistics for office supplies, avoiding stockouts and excess inventory.
Technical Support (Software - Hardware)
BINARY LOGIC SA (Greece)
02.2003 - 07.2004
- Collaborated with product development teams to improve future hardware designs based on user feedback and field experience.
- Coordinated with software engineers to diagnose issues arising from interactions between software applications and hardware components.
- Established strong relationships with clients by consistently exceeding expectations for service quality and responsiveness during critical situations involving technical support needs.
- Responded to support requests from end-users and patiently walked individuals through basic troubleshooting tasks.
- Worked directly with clients in rollout and post-rollout stages to train and support new applications and systems.
- Responded to customer inquiries and provided technical assistance over phone and in person.
- Installed and configured operating systems and applications.
- Installed, configured and maintained computer systems and network connections.
- Configured hardware, devices, and software to set up work stations for employees.
- Tested new software and hardware prior to deployment.
Technical Department Supervisor
COSMODATA Ltd (Greece)
10.1999 - 02.2003
- Trained new employees on overall company and department-specific policies and procedures.
- Increased customer satisfaction by addressing concerns promptly and implementing improvements based on feedback.
- Supervised and trained new employees for computer problems, troubleshooting, network development, hardware and software installation, customer service and support.
Radar Engineer, Administrator, Air Port Security
Hellenic Air Force (NATO Force)
09.1997 - 08.1999
Education
No Degree - Information Technology And Support
Tarrant County College
Fort Worth, TXCertification - Radar Engineering And Electronic Systems
Hellenic Air Force
Athens Greece06-1999
Associates Degree - Computers Science & Automation Engineering Departm
2nd. Technical - Professional School of Athens
Athens Greece05-1997
Highschool Diploma - 1st. Technical - Professional School Of Hellenic
1st. Technical - Professional School Of Hellenic
Athens Greece05-1995
Skills
1 SIP OTE Sailing School - Sailing - Skipper Diploma
2 SWC Tactical Training - Level II and III Basic Commissioned Security Officer Certificate
3 United States Soccer Federation and North Texas State Soccer Association - U6 - U8 Couch / Trainer
4 Cosmote SA - Negotiations Skills
Languages
Greek
Native or Bilingual
English
Native or Bilingual
Timeline
Computer Science College Instructor
Trinity Valley Community College
08.2021 - Current
Systems Support Specialist
Texas Department of Criminal Justice
10.2016 - 09.2021
IT Technician / Infrastructure
Virtual Communication Specialists
09.2015 - 10.2016
Technical Support Specialist
Digital Recognition Network
11.2012 - 09.2015
Commissioned Security Officer (TxDPS)
Securitas Security Services USA, Inc.
08.2011 - 08.2015
Game Systems Technician Level 1(contract Employee)
GameStop
01.2011 - 06.2011
Cell Phone Technician (contract Employee)
RadioShack
10.2009 - 09.2010
Administrator -Financial Dept. / Distribution/Merchandiser
COSMOTE Mobile Telecommunications SA. (Greece)
07.2004 - 10.2008
Technical Support (Software - Hardware)
BINARY LOGIC SA (Greece)
02.2003 - 07.2004
Technical Department Supervisor
COSMODATA Ltd (Greece)
10.1999 - 02.2003
Radar Engineer, Administrator, Air Port Security
Hellenic Air Force (NATO Force)
09.1997 - 08.1999
No Degree - Information Technology And Support
Tarrant County College
Certification - Radar Engineering And Electronic Systems
Hellenic Air Force
Associates Degree - Computers Science & Automation Engineering Departm
2nd. Technical - Professional School of Athens
Highschool Diploma - 1st. Technical - Professional School Of Hellenic
1st. Technical - Professional School Of Hellenic
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