Senior Incident Response Engineer (Purple Team)

Position Summary... Role summary 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. What you'll do... About the team At Walmart, we believe it is essential to keep innovating while safeguarding our data. Our team ensures that Walmart maintains a secure operating environment and the trust of our customers, associates, and stakeholders. We bring together a variety of services and capabilities to help prevent fraud, detect threats, and manage digital risk and access. In addition to mitigating attack risk, we foster in our team members a secure and reliable working ethics The RAMPART team delivers assumed‑breach, post‑access adversary emulation through short, repeatable campaigns that drive measurable improvement. RAMPART partners with defensive teams and business stakeholders to strengthen detection, containment, and resilience. What you'll do Execute a variety of campaigns (assume breach, fraud, Adverserial AI, Atomic, transparent / collaborative) Develop, curate, and leverage offensive security TTPs and threat intelligence Manage and configure campaign infrastructure Provide ongoing consulting to defense teams as they design and implement responses to campaign findings What you'll bring Knowledge of fundamental computing concepts - flexibility to learn and adapt to new languages, systems, and technologies. A collaborative approach to campaign preparation, execution and debriefing; professional and empathetic communication An understanding of AI technologies Proficiency in vulnerability assessment, penetration testing, and threat modeling to identify and remediate security weaknesses. Experience managing stakeholder engagement and communicating technical findings effectively. At Walmart, we offer competitive pay as well as performance-based bonus awards and other great benefits for a happier mind, body, and wallet. 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. You will also receive PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes. The amount you receive depends on your job classification and length of employment. It will meet or exceed the requirements of paid sick leave laws, where applicable. For information about PTO, see Live Better U is a Walmart-paid education benefit program for full-time and part-time associates in Walmart and Sam's Club facilities. Programs range from high school completion to bachelor's degrees, including English Language Learning and short-form certificates. Tuition, books, and fees are completely paid for by Walmart. Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to a specific plan or program terms. For information about benefits and eligibility, see One.Walmart. Herndon, Virginia US-10710: The annual salary range for this position is $108,000.00 - $216,000.00 Bentonville, Arkansas US-09050: The annual salary range for this position is $90,000.00 - $180,000.00 Additional compensation includes annual or quarterly performance bonuses. Additional compensation for certain positions may also include : - Stock ㅤ ㅤ ㅤ ㅤ ‎ Minimum Qualifications... Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications. 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. Preferred Qualifications... Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications. 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, We value candidates with a background in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly. The ideal candidate would have knowledge of accessibility best practices and join us as we continue to create accessible products and services following Walmart’s accessibility standards and guidelines for supporting an inclusive culture. CISSP - Certified Information Systems Security Professional - Certification Primary Location... 2245 Monroe St, Herndon, VA 20171, United States of America Walmart and its subsidiaries are committed to maintaining a drug-free workplace and has a no tolerance policy regarding the use of illegal drugs and alcohol on the job. This policy applies to all employees and aims to create a safe and productive work environment. About Walmart: Fifty years ago, Sam Walton started a single mom-and-pop shop and transformed it into the world's biggest retailer. Since those founding days, one thing has remained consistent: our commitment to helping our customers save money so they can live better. Today, we're reinventing the shopping experience and our associates are at the heart of it. You'll play a crucial role in shaping the future of retail, improving millions of lives around the world. This is that place where your passions meet purpose. Join our family and create a career you're proud of.