Senior Incident Response Engineer – Purple Team

Walmart

. The Senior Incident Response Engineer (Purple Team) will operate within a purple-team driven program, focused on assumed‑breach and post‑access adversary activity to strengthen detection and response capabilities.

Posted 4/4/2026full-timeHerndon • Virginia • 🇺🇸 United StatesSenior💰 $108,000 - $216,000 per yearWebsite

Tech Stack

Tools & technologies

Cyber Security

About the role

Key responsibilities & impact

The Senior Incident Response Engineer (Purple Team) will operate within a purple-team driven program, focused on assumed‑breach and post‑access adversary activity to strengthen detection and response capabilities.
This role leads threat-actor driven campaigns that measure real‑world defensive effectiveness and drive continuous improvement across production environments.
Working closely with SOC, Detection Engineering, and risk stakeholders, the engineer translates campaign outcomes into actionable enhancements, validates remediation through retesting, and helps mature response processes.
The role also collaborates with peers and advances scalable, measurable security practices aligned with organizational and industry standards.

Requirements

What you’ll need

Option 1: Bachelor's degree in computer science, information technology, engineering, information systems, cybersecurity, or related area and 3 years’ experience in incident response or related area at a technology, retail, or data-driven company.
Option 2: 5 years’ experience in incident response or related area at a technology, retail, or data-driven company.
Certifications in Security+, Network+, GISF, GSEC, CISSP, CCSP, or GCIH.
Master’s degree in Computer Science, Information Technology, Engineering, Information Systems, Cybersecurity, or related area and 1 Years' Exposure of leading/ working on Information Security / Cyber Security Projects.
Knowledge of accessibility best practices and implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards.

Benefits

Comp & perks

Health benefits include medical, vision and dental coverage.
Financial benefits include 401(k), stock purchase and company-paid life insurance.
Paid time off benefits include PTO (including sick leave), parental leave, family care leave, bereavement, jury duty, and voting.
Other benefits include short-term and long-term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more.
Live Better U is a Walmart-paid education benefit program for full-time and part-time associates in Walmart and Sam's Club facilities.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

incident responsethreat detectionremediation validationsecurity practicescybersecurityadversary activitypost-access analysiscampaign measurementproduction environment securitycontinuous improvement

Soft Skills

collaborationleadershipcommunicationorganizational skillsactionable enhancement translation

Certifications

Security+Network+GISFGSECCISSPCCSPGCIH