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Security Monitoring and Response Analyst

Mastercard US

On-site
O'Fallon, MO
Full-time
Mid Level
$76k–$127kPosted 2w ago

Real job — pulled straight from Mastercard US’s careers page · Verified August 2, 2026 · No reposts.

Job description

Mastercard US is hiring a Security Monitoring and Response Analyst — a full-time, based in O'Fallon, MO role ($76k–$127k). Apply directly on Mastercard US's careers page below.

Security Monitoring and Response Analyst II

Location: O'Fallon, Missouri

Time Type: Full time

Job Description

Our Purpose

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.

Title and Summary

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 am 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.

Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.

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.

In line with Mastercard’s total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations.

Pay Ranges

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

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Frequently asked questions

What is the salary for Security Monitoring and Response Analyst at Mastercard US?

The estimated salary range for Security Monitoring and Response Analyst at Mastercard US is $76,000 - $127,000 USD per year.

What skills are required for Security Monitoring and Response Analyst at Mastercard US?

The required skills for Security Monitoring and Response Analyst at Mastercard US include: SIEM, CISSP.

What is the seniority level for Security Monitoring and Response Analyst at Mastercard US?

Security Monitoring and Response Analyst at Mastercard US is a Mid Level level position.

How do I apply for Security Monitoring and Response Analyst at Mastercard US?

You can view the full description and apply for Security Monitoring and Response Analyst at Mastercard US on EchoJobs: https://echojobs.io/job/mastercard-us-security-monitoring-and-response-analyst-ii-h1a5z.