Insider Threat Analyst II - Security Operations

VulnU; O’Fallon (MO); On-site; USD 76,000 - 127,000; Full time

Benefits offered by this job

Competitive base salary

Comprehensive security benefits

Job summary

Mastercard is seeking a Corporate Security Operations Analyst II focused on insider threat. You will respond to security events, monitor indicators, and conduct internal investigations within a SOC context.

You will coordinate with Legal, Privacy, HR, and Compliance to drive investigations to resolution. The role requires experience in security operations, incident response, insider risk, and forensics, plus familiarity with GDPR, SIEM, and Microsoft security technologies.

Qualifications

• 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.
• Familiarity with privacy, data protection, and regulatory considerations including GDPR.
• Experience with Data Loss Prevention, User Activity Monitoring, User Behavior Analytics, or related capabilities.
• Programming experience in at least one of PowerShell, Python, Shell/BASH, Java, C/C++, C#, Perl.

Responsibilities

• Work as an insider threat SME on complex, high‑risk cases with strict confidentiality and compliance.
• Conduct technical analysis of user activity and alerts to identify insider threats.
• Maintain caseload accuracy and support senior leadership with investigations.
• Collaborate with security, HR, Legal, Privacy, Compliance, and M&A teams to progress investigations.

Skills

Security operations

Incident response

Insider risk

Digital forensics

Investigative methodologies

Education

CISSP / GCIH / GCIA / Security+ (desirable)

Tools

SIEM

DLP

EDR

Microsoft Defender / Purview / Sentinel

Job description

Mastercard is seeking a Corporate Security Operations Analyst II focused on insider threat. You will respond to security events, monitor indicators, and conduct internal investigations within a SOC context.

You will coordinate with Legal, Privacy, HR, and Compliance to drive investigations to resolution. The role requires experience in security operations, incident response, insider risk, and forensics, plus familiarity with GDPR, SIEM, and Microsoft security technologies.