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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Corporate Security Operations Analyst II - **Company:** Mastercard - **Location:** O'Fallon, MO, United States - **Salary:** $76,000.0 - $127,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Data Analysis, Bash Shell, C Sharp (Programming Language), C++ (Programming Language), CompTIA Security+, Cyber Security, Computer Programming, Information Leak Prevention, Digital Forensics, Perl (Programming Language), Python (Programming Language), Microsoft Security Essentials, Open Source Intelligence, Windows PowerShell, Security Information and Event Management, Cybercrime, Microsoft Sentinel - **Published:** October 11, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=4a360eadc90e3af8 ## About the Role The Security Event Management group is seeking a highly motivated and experienced security analyst specializing in Insider Threat., * 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. ## Description 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., 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., 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.