Summary
Overview
Work History
Education
Skills
Affiliations
Accomplishments
Timeline
Generic

Sandra Biesenberger

Columbus

Summary

Dynamic network security professional with extensive experience at Verizon, excelling in firewall management and compliance auditing. Achieved flawless firewall compliance for SOC and PCI. Strong leadership for network grooming and migration projects. Known for fostering collaboration and enhancing process efficiency, I leverage strong analytical skills to drive impactful security solutions and maintain operational integrity.

Overview

25
25
years of professional experience

Work History

Principal VGMN Firewall Audit and Compliance

Verizon
Columbus
11.2011 - Current
  • Lead design and implementation of VGMN firewall front-door process, achieving over 25,000 audits annually and a 30% grooming rate through least privilege enforcement.
  • Achieved flawless compliance since 2012 in SOC, PCI, and third-party audits by establishing FRS as a company standard.
  • Manage complex firewall migrations and deployments without impacting operations while maintaining strict governance protocols.
  • Act as lead liaison for firewall onboarding system, crafting workflows that ensured smooth adoption while adhering to security policies.
  • Provide technical leadership during firewall outages, conducting comprehensive traffic analysis for incident response teams.
  • Collaborate on enterprise network security standards creation with engineering peers, incorporating insights from past incidents to enhance resilience.
  • Spearhead major application migration efforts using extensive enterprise network knowledge to ensure secure transitions.
  • Foster strong relationships across engineering and operations teams to maintain compliance alignment and support long-term strategy.

Technical Trainer

UUNET/Worldcom
Columbus
10.2000 - 11.2021
  • Developed comprehensive training materials on networking technologies and legacy systems, including X.25 protocols.
    Rolled out internal certification program aligned with Cisco standards to enhance skills.
    Conducted diverse training sessions to elevate technical proficiency among staff and global partners.
    Implemented classroom instruction, webinars, and online courses for varied delivery formats.
    Directed team of three trainers to maintain quality across all training initiatives.
    Coordinated international training programs, adapting content for different cultural contexts.
    Integrated current technological trends into training materials to enhance relevance and engagement.

Incident Response Manager

MCI WorldCom Technology Drive
Hilliard
11.2001 - 11.2011
  • Improved security incident response through technical analysis using IDS, NetFlow data, and packet traces.
  • Served as lead consultant for multidisciplinary investigative teams, providing crucial expertise on insider threats.
  • Facilitated investigation support as the local site security lead for nation-state compromises, insider threats, and led the solution to implementation.
  • Conducted thorough malware research, contributing to documentation of threat behaviors and security enhancements.
  • Managed complete incident lifecycle processes including containment actions and detailed reporting.
  • Deployed a variety of security tools to bolster organizational defenses against vulnerabilities.
  • Oversaw the strategic decommissioning of compromised certificates, resulting in reduced costs and enhanced risk management.
  • Successfully managed large-scale decommissioning of compromised security certificates, resulting in annual savings of $3 million, and receiving the Circle of Excellence Award.

Education

Some College (No Degree) - Marketing

Wright State University
Dayton, OH

Skills

  • Firewall management
  • Incident response
  • Network security
  • Compliance auditing
  • Traffic analysis
  • Security policy development
  • Process efficiency
  • Network migrations
  • Network decommissions

Affiliations

  • Chairperson for Lake Erie Stein Hospice Regatta and Fundraiser leading to being awarded the National Qualifying Race

Accomplishments

  • Verizon Circle of Excellence

Timeline

Principal VGMN Firewall Audit and Compliance

Verizon
11.2011 - Current

Incident Response Manager

MCI WorldCom Technology Drive
11.2001 - 11.2011

Technical Trainer

UUNET/Worldcom
10.2000 - 11.2021

Some College (No Degree) - Marketing

Wright State University

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