Security Monitoring and Response Analyst II

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
Who is Mastercard?
Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships, and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential.
Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all.
Mission First, People Always
In Corporate Security, we are responsible for keeping Mastercard safe and secure from cyber and physical threats, and it is our people on the front line who make this happen every day.
By taking care of our people, their well-being, and their career development, we provide them with the necessary tools and environment to ensure the success of our mission.
Overview
The Security Event Management group is seeking a highly motivated and experienced security analyst specializing in Insider Threat.
As an Insider Threat Analyst, you will work within a broader security operations function, responding to cybersecurity events, identifying high-impact insider threats, and undertaking internal investigations.
You will monitor, research, assess, and analyze data and alerts from a suite of security tools, including DLP, EDR, SIEM, and user behavior analytics. You will follow defined investigative paths to ensure consistent resolution of often highly sensitive matters, and prepare and present analysis, findings, and recommendations through briefings and reports to security leads and other stakeholders, including senior legal, privacy, and executive stakeholders.
The role supports the development and enhancement of internal incident response capabilities, particularly those focused on insider threat monitoring and response. It also requires continual awareness of emerging insider threat tactics, techniques, and procedures (TTPs), industry trends, and technological advancements to help strengthen Mastercard's overall Insider Threat capability and long-term resilience.
In this role you will:• Work as an independent insider threat subject matter expert on often complex, high-risk, and highly sensitive cases, in compliance with Insider Threat policies, processes, procedures, and operating standards.• Conduct technical analysis of user activity data and alerts to identify indicators of insider threats.• Maintain the completeness and accuracy of the insider threat incident caseload.• Analyze program trends, risks, and metrics to identify improvements and support leadership decisions.• Support the enhancement of Insider Threat detection capabilities, controls, and countermeasures aligned to emerging TTPs.• Liaise with Technology, Security, HR, Legal, Privacy, Compliance, and M&A partners to progress investigations.• Identify control gaps and collaborate with engineering and operations peers to improve prevention and detection capabilities.• Take part in exercises to test and strengthen Insider Threat capabilities, as necessary.• Contribute to the Insider Threat Working Group.• Collaborate with and mentor first-line analysts to embed key Insider Threat processes and procedures within their capabilities.
All About You
The ideal candidate for this position should have: • A demonstrated ability to independently undertake confidential investigations involving employee activity while maintaining the highest standards of professionalism, discretion, objectivity, evidentiary integrity, and process compliance.• Experience in security operations, incident response, insider risk, digital forensics, or related cybersecurity disciplines.• An understanding of investigative methodologies, evidentiary handling, chain of custody, and detailed report writing, with the ability to influence stakeholders and explain complex technical matters to diverse audiences.• An understanding of privacy, data protection, and regulatory considerations, including GDPR and related legislation.• Experience with Data Loss Prevention, User Activity Monitoring, User Behavior Analytics, or related capabilities.• Experience with Microsoft security technologies, including Microsoft Purview, Microsoft Defender / IRM, Microsoft Sentinel, and Endpoint DLP.• Experience with Security Information and Event Management (SIEM) platforms and security event analysis.• Working knowledge of Windows and macOS operating systems, including key architectural and investigative differences.• Familiarity with threat hunting methodologies, open-source intelligence (OSINT), and cyber investigation techniques.• Relevant industry certifications, such as CISSP, GCIH, GCIA, Security+, or equivalent, are desirable.• Programming experience in at least one of PowerShell, Python, Shell/BASH scripting, Java, C/C++, C#, Perl, or other related languages is desirable.
Corporate Security Responsibility
Every person working for, or on behalf of, Mastercard is responsible for information security. All activities involving access to Mastercard assets, information, and networks come with inherent risk to the organization; therefore, the successful candidate for this position is expected to:• 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.
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 [email protected] 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.
THIS POSTING RELECTS ONE OR MORE CURRENT VACANCIES ON OUR TEAM, AND MASTERCARD INTENDS TO FILL THIS POSITION BY 01/10/2027. If the fill date has passed, Mastercard intends to fill this position as soon as possible.
Pay Ranges
O'Fallon, Missouri: $76,000 - $127,000 USD