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Security Monitoring and Response Analyst II

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

Security Monitoring And Response Analyst Ii

Overview

Role Responsibilities

Respond to cybersecurity events and incidents.

Support the incident response process, including debriefs to senior team members, management and peer teams.

Apply root cause analysis and lessons learned to improve security posture and processes.

Respond to end user queries, security alerts, solutions that meet security monitoring and response standards.

Improve cybersecurity technologies and processes through contributing to tunes and playbook development.

All About You

In this role you will need to be able to do, and have experience of, the following:

Experience in Security Operations related fields, preferably within SOC.

Demonstrable experience within cybersecurity related disciplines, not limited to: e.g. network traffic analysis, malware analysis, DLP, vulnerability management, DFIR, web-security, threat intelligence, threat hunting.

Preferred Experience:

Experience in creating queries and alerts in a SIEM, preferably in SPL.

Experience with response technologies, XDR, EDR, NDR etc.

Familiarity with Indicators of Compromise (IoCs), Indicators of Attack (IoAs), ATT&CK Tools, Techniques and Procedures (TTPs).

Understanding of Security Concepts in an emerging technology field.

Strong interpersonal skills, including good communication with the ability to articulate ideas in a precise and concise manner.

Industry certifications, CISSP, ISACA or GIAC Certifications / Willingness to pursue certification.

The ideal candidate is ambitious, naturally drawn to information security and technology, highly motivated, analytical and a team player.

Corporate Security Responsibility

All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

  • Abide by Mastercard's security policies and practices;
  • Ensure the confidentiality and integrity of the information being accessed;
  • Report any suspected information security violation or breach, and
  • Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines.

Pay Ranges

O'Fallon, Missouri: $76,000 - $127,000 USD

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