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Sr Security Analytics Engineer (SIEM Splunk content development)

Information Technology & Systems
202262 Requisition #

Position Summary:

The Senior Security Analytics Engineer is part of the security event management team in the Experian GSO. This role will serve as a leading engineering resource responsible for the innovation, development, and maintenance of SIEM & UEBA content. Specific focus will be directed to understanding various vendor feeds and developing the capability of our analytics tools to detect anomalous, suspicious, or malicious behaviors. An ideal candidate will have extensive information security experience- particularly in incident response- and able to apply that knowledge to drive future content to reduce risk. The senior analytics engineer will work closely with the various internal teams, including but not limited to: cyber threat intelligence analysts, SOC analysts, incident handlers, server and network administrators, security tool administrators, and business unit customers. The senior analytics engineer will be the primary SME for available data sources and leveraging those data sources to detect information security incidents or concerns.



Major Responsibilities include:

  • Understand data feeds of various security tools and logs that feed the SIEM & UEBA technologies. Ability to identify capabilities and quality of these feeds and recommend improvements.
  • Ability to craft new content use cases based on: threat intelligence, analyst feedback, available log data, previous incidents.
  • Perform day to day activities of the content life cycle, including creating new use cases, testing content; tuning, and removing content; and maintain associated documentation.
  • Create specifications that junior content engineers can leverage as use case requirements.
  • Work with the other security functions and product SMEs to identify gaps within the existing analytical capability.
  • Development of parsers/field extractions to facilitate reliable content development
  • Development of custom scripts as required to augment default SIEM functionality
  • Participate in root cause analysis on security incidents and provide recommendations for containment and remediation
  • Act as the liaison to business units to fulfill audit, regulatory compliance and/or corporate security policy requirements.
  • Create, implement and maintain novel analytic methods and techniques for incident detection
  • Ensure documentation for content is available on team wiki- specifically including content roadmap and documentation on current content
  • Mentor junior engineers and analysts.

  • Prior senior-level experience in SIEM content development (LogRhythm, Splunk, QRadar, McAfee ESM, or similar SIEM platform)
  • Understanding of various log formats and source data for SIEM Analysis
  • Ability to effectively communicate with anyone, from end users to senior leadership- facilitating technical and non-technical conversations.
  • Strong incident handling/incident response/security analytics skills
  • Deep understanding of technical concepts including networking and various cyber attacks
  • Solid background with Windows and Linux platforms (security or system administration)
  • Solid comprehension of various security controls, capabilities and use in a corporate environment
  • Exceptional problem solving capabilities
  • Strong documentation and communication skills
  • Demonstrated history of innovation and/or creativity
  • Ability to drive process improvements and identify gaps
  • Ability to excel in a team, as an individual, in a fast-paced deadline driven organization
  • Knowledge of programming/scripting fundamentals
  • Passion for excellence and attention to detail

Desired Skills & Experience:

  • At least 5+ years of information security experience, preferably engineering or development
  • At least 3+ years’ experience supporting a SEIM platform in a content development role
  • At least 2+ years’ experience performing SOC analysis and/or incident response
  • Bachelor’s Degree or higher degree in Computer Science, Information Security or similar discipline is preferred
  • Experience with a wide range of security products
  • Industry Security Certifications (CISSP, SANS) preferred
  • Scripting (Python is preferred, but most any programming knowledge will be sufficient if engineer is willing to learn Python)

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