Intrusion Analyst III

Walmart Walmart · Retail · Bentonville, AR +1

This role is for an Intrusion Analyst III at Walmart, focusing on in-depth security investigations, quality control of triage work, and threat analysis using various security tools including AI-assisted ones. The role involves incident response support, process refinement, and mentoring junior analysts. It requires proficiency in SOC toolsets, incident response frameworks, and investigation techniques.

What you'd actually do

  1. Lead follow-on investigations from escalated alerts to resolution, identifying root causes and impact scope.
  2. Review and validate triage work from Analysts II to ensure consistency and accuracy across incident handling.
  3. Identify and contextualize indicators of compromise using SOAR, SIEM, endpoint, and AI-assisted tools.
  4. Collaborate with senior analysts during containment and recovery phases, ensuring accurate data collection and response coordination.
  5. Recommend improvements to triage workflows, documentation standards, and response playbooks.

Skills

Required

  • Proficient in SOC toolsets: SIEM, SOAR, endpoint detection, and AI-assisted analysis platforms.
  • Familiar with incident response frameworks (NIST) and adversary mapping (MITRE ATT&CK).
  • Skilled in investigation techniques such as log correlation, memory analysis, and forensic review.
  • Experience documenting findings and contributing to incident post-mortems.
  • Working knowledge of scripting, query building, or automation concepts to enhance analysis efficiency.
  • 4+ years of experience in SOC operations, intrusion analysis, or incident response.
  • Demonstrated ability to lead independent investigations and mentor junior team members.

Nice to have

  • GCIH
  • GCIA
  • CySA+