Corporate Security Operations Analyst II
Job in
O'Fallon, St. Charles County, Missouri, 63366, USA
Listed on 2026-10-14
Listing for:
VulnU
Full Time
position Listed on 2026-10-14
Job specializations:
-
IT/Tech
Cybersecurity, Information Security & Data Protection, Security Management & Operations
Job Description & How to Apply Below
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 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,…
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