Garrett Tomaszewski
Manhattan,NY
Summary
Driven Systems Administrator with 6 years of experience in software implementation and maintenance. Proven history of managing complex infrastructures and data center operations. Expert in solutions-oriented business application problem-solving and dedicated to providing best-in-class service. Skilled at troubleshooting, communication and collaboration.
Overview
9
9
years of professional experience
Work History
Systems Administrator
Department Of Commerce
Washington, DC
09.2021 - Current
- Detailed upcoming software upgrades and system sprints to team members.
- Implemented and maintained virtual private networks.
- Implemented internet and intranet applications on multiple platforms.
- Planned and implemented upgrades to system hardware and software.
- Analyzed network traffic and performance metrics to optimize system performance.
- Spearheaded inventory control measures to replenish and maintain IT equipment.
- Delivered Tier 2 and Tier 3 support for problem identification, diagnosis and issue resolution.
- Devised scripts and automation tools to improve system efficiency.
- Installed and configured network printers and other peripheral devices.
- Orchestrated integration and communication of software upgrades.
- Mentored employees and offered constructive feedback for performance improvement.
Owner/Technician Specialist
Byte Sized, LLC
Columbia, MD
08.2018 - 09.2021
- Collaborated with vendors to locate replacement components and resolve advanced problems.
- Consulted customers to address inquiries or technical issues.
- Removed malware, ransomware, and other threats from laptops and desktop systems.
- Broke down and evaluated user problems, using test scripts, personal expertise, and probing questions.
- Responded promptly to incoming sales leads and requests for technical support.
- Identified potential sales and cross-selling opportunities.
- Installed, configured and maintained computer systems and network connections.
- Diagnosed and troubleshot hardware, software and network issues.
- Generated reports to track performance and analyze trends.
- Responded to customer inquiries and provided technical assistance over phone and in person.
- Explained security measures in simple terminology to help users understand malware and phishing threats.
- Assisted customers in identifying issues and explained solutions to restore service and functionality.
- Configured and tested new software and hardware.
- Resolved diverse range of technical issues across multiple systems and applications for customers and end-users across various time zones.
- Monitored system performance to identify potential issues.
- Configured hardware, devices, and software to set up work stations for customers.
Cyber Security Specialist
United States Marine Corps, USMC
Fort Meade, Odenton, MD
09.2016 - 08.2018
- Performed risk and vulnerability assessments and provided results and recommendations to senior management.
- Performed and reviewed technical security assessments of software to identify points of vulnerability and non-compliance with established information security standards and recommend mitigation strategies.
- Applied leading theories and concepts to development, maintenance and implementation of information security standards, procedures and guidelines.
- Monitored computer virus reports to determine when to update virus protection systems.
- Provided consultation and technical services on all aspects of information security.
- Monitored use of data files and regulated access to protect secure information.
Intelligence Analyst
United States Marine Corps, USMC
Okinawa, Japan
08.2013 - 08.2016
- Created useful and timely intelligence products to support field operations.
- Developed standard operating procedures for intelligence operations and activities.
- Coordinated with other intelligence agencies to share information and resources.
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- Conducted threat assessment and analysis of foreign adversaries in support of military operations.
- Analyzed open-source intelligence data to identify potential threats and vulnerabilities.
- Utilized intelligence collection platforms and analysis techniques to identify and document intelligence gaps.
- Developed intelligence assessments for high-level government officials and stakeholders.
- Verified visitor security clearances and eligibility for access into SCIFs.
- Briefed upper-level personnel on emerging threats.
- Proven ability to learn quickly and adapt to new situations.
- Used strong analytical and problem-solving skills to develop effective solutions for challenging situations.
- Produced multi-source intelligence reports and products for different agency customers.
Education
Associate of Science - Information Technology
Purdue Global University
Online10.2022
High School Diploma -
Center Line High School
Center Line, MI06.2013
Skills
- Program Installations
- Software Testing
- Shell Scripting
- Complex Problem-Solving
- Microsoft SharePoint
- Virtual Machines
- Maintenance and Troubleshooting
- Enterprise Technology
- Performance Analysis
- SOP Writing
- VoIP Systems
- HTML
- Produce Clean Code
- UI/UX
Clearance Level
Currently holds a Secret Clearance. TS/SCI has expired but eligible to re-obtain a TS/SCI with CI Polygraph.
Timeline
Systems Administrator
Department Of Commerce
09.2021 - Current
Owner/Technician Specialist
Byte Sized, LLC
08.2018 - 09.2021
Cyber Security Specialist
United States Marine Corps, USMC
09.2016 - 08.2018
Intelligence Analyst
United States Marine Corps, USMC
08.2013 - 08.2016
Associate of Science - Information Technology
Purdue Global University
High School Diploma -
Center Line High School