Summary
Overview
Work History
Education
Skills
Accomplishments
Timeline
Generic

Charles Shreffler

Information Security Analyst
Bradenton,FL

Summary

A security professional with strong foundation in threat detection, risk assessment, and incident response. Adept at developing and implementing security protocols that safeguard organizational data and ensure compliance with regulatory requirements. Known for effective team collaboration and results-driven approach, leveraging analytical skills and attention to detail to adapt to changing environments.

Overview

22
22
years of professional experience

Work History

Security Analyst (contractor)

Vista Equity Partners
06.2020 - 05.2025
  • Investigated internal security events and managed incident response tools, enhancing response efficiency.
  • Maintained a phishing training program, reducing phishing incidents through periodic simulated attacks.
  • Developed and maintained Vendor Due Diligence program; conducted IT risk assessments for vendor due diligence, ensuring compliance with security standards.
  • Analyzed log files for anomalies, identifying potential intrusions or malicious activity before significant damage occurred.
  • Trained in Darktrace, SentinelOne, Proofpoint, KnowBe4, Whistic, Ivalua, and other security applications.

Security Analyst

TriNet Corporation
09.2016 - 05.2020
  • Investigated internal security events and managed incident response tools, enhancing response efficiency.
  • Reduced phishing incidents by maintaining a phishing training program with periodic simulated attacks.
  • Trained in InsightIDR, Service Now, Zscaler, Symantec EP, and other security applications, ensuring comprehensive incident response capabilities.

Helpdesk Technician

TriNet Corporation
09.2015 - 09.2016
  • Conducted access management duties, including resolving Active Directory lockouts and managing access provisioning, ensuring seamless user access and security compliance.
  • Diagnosed and resolved proprietary application malfunctions, enhancing system reliability and user satisfaction.
  • Provided comprehensive IT support services, improving overall operational efficiency through hardware and software support.

Owner/Technician

Computer Installation and Repair
10.2007 - 01.2017
  • Owner/Technician Part time In-home and business computer services.

Network and audio/visual Technician

IMG Academies
09.2011 - 01.2015
  • Managed network and audio/visual systems for Pendleton School, Bollitieri Tennis Academy, Leadbetter Golf Academy, Madden Football Academy, IMG Baseball, Soccer, and Lacrosse Academies, and IMG Performance Institute, ensuring seamless operations and high-quality service.
  • Diagnosed and resolved technical issues, improving system reliability and user satisfaction.
  • Provided comprehensive IT support, enhancing operational efficiency and user experience, contributing to an increase in overall satisfaction rates.

Help Desk Technician

Jackson Hewitt Tax Services
09.2011 - 01.2015
  • Seasonal contract work, troubleshooting PC, Network, and software issues via telephone and Helpdesk software (PeopleSoft and Peregrine).
  • Worked on projects to upgrade servers to Windows 2008 R2 and upgrade, configure, and support Windows 7 on all corporate workstations, including extensive use of Windows Deployment Services.

Network Technician

Tropitone Furniture
03.2008 - 07.2009
  • Service and maintain IT and network infrastructure at Tropitone Furniture Manufacturing Facility.

PC Technician Contract work

AnuResources
02.2006 - 10.2007
  • PC troubleshooting and repair/maintenance, networks and printers, rollouts and data migrations.

Independent Dell Technician

BancTec
09.2003 - 02.2006
  • In-house/on-site business troubleshooting, warranty repair work, and new installations, data migrations, and wireless networking for Dell Computer Services, including servers, desktop and laptop computers.

Education

No Degree - Chemistry, Microbiology, Business Administration

University of Akron
Akron, OH

Some College (No Degree) - Information Technology

New Horizons Computer Learning Centers

High School - undefined

Kenmore High School
01.1987

Environmental Management

Akron Kenmore Vocational School
01.1987

Skills

  • Creative in problem solving
  • Excellent communication skills
  • Information Security Analyst
  • Third Party Risk Management Analyst
  • Intrusion detection
  • Endpoint security
  • Identity and Access management
  • Risk mitigation
  • Incident response
  • Security awareness training
  • Critical thinking skills
  • Risk assessment

Accomplishments

  • Educated management on how to minimize risk of cybersecurity attacks.
  • Trained end users on proper security protocol to minimize cybersecurity attacks.
  • Created daily security reports to identify and mediate system and network anomalies.
  • Collaborated and implemented vendor management procedures to achieve third party risk management and compliance standards.
  • Performed comprehensive investigations of security anomalies and implemented appropriate solutions.

Timeline

Security Analyst (contractor)

Vista Equity Partners
06.2020 - 05.2025

Security Analyst

TriNet Corporation
09.2016 - 05.2020

Helpdesk Technician

TriNet Corporation
09.2015 - 09.2016

Network and audio/visual Technician

IMG Academies
09.2011 - 01.2015

Help Desk Technician

Jackson Hewitt Tax Services
09.2011 - 01.2015

Network Technician

Tropitone Furniture
03.2008 - 07.2009

Owner/Technician

Computer Installation and Repair
10.2007 - 01.2017

PC Technician Contract work

AnuResources
02.2006 - 10.2007

Independent Dell Technician

BancTec
09.2003 - 02.2006

High School - undefined

Kenmore High School

Environmental Management

Akron Kenmore Vocational School

No Degree - Chemistry, Microbiology, Business Administration

University of Akron

Some College (No Degree) - Information Technology

New Horizons Computer Learning Centers
Charles ShrefflerInformation Security Analyst