Summary
Overview
Work History
Education
Skills
Websites
Certification
Cybersecurity Projects And Education
Timeline
Generic

Brandy Haggar

Grand Prairie

Summary

Cybersecurity professional with hands-on SOC training in incident response, SIEM monitoring, and log analysis, backed by 20+ years of enterprise telecom and IT operations experience. Skilled in Splunk SIEM, detection engineering, Python scripting, and network security fundamentals. Currently pursuing a Master’s in IT/Cybersecurity and eager to apply enterprise IT expertise and cybersecurity training to strengthen T-Mobile’s Cybersecurity Operations Center (CSOC).

Overview

26
26
years of professional experience
1
1
Certification

Work History

Wireless Implementation Specialist

T-Mobile for Business
Frisco
09.2021 - Current
  • Provide technical implementation support to enterprise clients, ensuring secure and reliable system deployment during onboarding
  • Developed real-time monitoring dashboards to improve visibility into system activity, supporting proactive risk identification
  • Enhanced data protection processes, reducing budget overruns by 22% and accelerating timelines by 10%
  • Collaborated with cross-functional IT teams to troubleshoot and resolve service-impacting issues, escalating incidents as needed
  • Led client workshops on best practices for adoption and secure system integration

Lead, Wireline Implementation

Sprint/T-Mobile
Irving
03.2007 - 09.2021
  • Managed a team of 10 specialists handling installs, upgrades, and escalations for enterprise clients
  • Oversaw incident escalations and coordinated resolution with technical teams, ensuring SLA compliance
  • Conducted monthly audits to identify security gaps and compliance issues within system processes
  • Authored training materials on secure order processing and system integrity

Order Specialist III

Sprint/T-Mobile
Irving
02.2003 - 03.2007
  • Investigated and resolved system-related issues, escalating critical cases for technical remediation
  • Reviewed and customized service configurations to align with enterprise compliance requirements

Accounts Receivables Specialist / Dept. Assistant

Sprint/T-Mobile
Irving
01.2000 - 02.2003
  • Processed financial transactions with strict adherence to audit and compliance controls
  • Collaborated with internal audit teams to remediate discrepancies and prevent fraud

Education

Master of Science - IT/Cybersecurity

Capella University

Cybersecurity Bootcamp Certificate -

Southern Methodist University

Bachelor of Business Administration - Management Minor

Northwood University

Skills

  • Incident Response
  • SOC Monitoring
  • Threat Detection
  • SIEM (Splunk)
  • Endpoint Detection & Response (EDR)
  • Network Forensics
  • Vulnerability Assessment
  • Detection Engineering
  • Python
  • Bash
  • PowerShell
  • SQL
  • TCP/IP
  • OSI Model
  • Windows/Linux Security
  • Log Analysis
  • Firewall Monitoring
  • MySQL
  • Wireshark
  • GuideCX (Project Mgmt Dashboard)
  • Microsoft Office Suite

Certification

  • CompTIA Security+, Target 2025
  • Splunk Core Certified User, Planned

Cybersecurity Projects And Education

  • Master of Science, IT/Cybersecurity, Capella University, In Progress, 03/26
  • Conducted simulated SOC investigations, including triage and analysis of security events using Splunk and Wireshark
  • Performed incident response labs simulating phishing, brute-force, and malware attacks, documenting and escalating findings
  • Cybersecurity Bootcamp Certificate, Southern Methodist University, 01/21 - 06/21
  • Completed 400+ hours of hands-on labs covering SIEM monitoring, log correlation, and vulnerability scanning
  • Developed Python scripts to automate log parsing and enhance detection accuracy
  • Investigated simulated intrusions and documented findings per NIST IR guidelines
  • Bachelor of Business Administration, Management Minor, Northwood University, 05/10

Timeline

Wireless Implementation Specialist

T-Mobile for Business
09.2021 - Current

Lead, Wireline Implementation

Sprint/T-Mobile
03.2007 - 09.2021

Order Specialist III

Sprint/T-Mobile
02.2003 - 03.2007

Accounts Receivables Specialist / Dept. Assistant

Sprint/T-Mobile
01.2000 - 02.2003

Master of Science - IT/Cybersecurity

Capella University

Cybersecurity Bootcamp Certificate -

Southern Methodist University

Bachelor of Business Administration - Management Minor

Northwood University
Brandy Haggar