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Cyber Defense: Security Monitoring & IR Analyst II

Job in O'Fallon, St. Charles County, Missouri, 63366, USA
Listing for: MasterCard
Full Time position
Listed on 2026-07-24
Job specializations:
  • IT/Tech
    Cybersecurity
Salary/Wage Range or Industry Benchmark: 76000 - 127000 USD Yearly USD 76000.00 127000.00 YEAR
Job Description & How to Apply Below

Mastercard is seeking a Security Monitoring and Response Analyst II to address cybersecurity events and incidents, support incident response, and apply root-cause analysis to strengthen security posture and processes. The role includes handling end-user queries, refining SIEM alerts, and contributing to playbook development for improved detection and response across the enterprise.

Ideal candidates will have SOC experience, familiarity with XDR/EDR/NDR, and relevant certifications or willingness

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