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Cybersecurity Perimeter Response Team Senior Analyst

JP Morgan
LONDON, LONDON, United Kingdom
Closing date
27 May 2024

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Job Role
Cyber Security Consultant
Job Type

Job Details

Cybersecurity Network Perimeter Team is responsible for the perimeter security safeguarding JPMorgan Chase applications and network infrastructure from hackers, intruders, and other unwanted individuals. It includes detection, analyzing patterns, recognizing threats, and incident response dealing with them effectively to reduce impact to JPMorgan Chase applications and/or infrastructure components. This function is performed globally and at the scale of which JPMC operates by coordinating a response that could be firm wide or application specific. Perimeter Response Team approach is to secure applications and systems in order to ward off any threats before they enter the network.


As a Perimeter Response Team Lead, you will follow best practices like threat recognition, pattern analysis, and surveillance detection to set up high-quality and highly efficient processes to ensure internal security. Also, you will work directly with all Line of Business App Teams, Subject matter experts, Production Management Teams, Product Owners, Senior Technology Management, and Risk and Control functions on:
• Investigate anomalous network traffic pattern events
• Develop and maintain DoS and web application firewall policies to protect the Firm
• Identify, document, and mitigate risk and exposure to emerging threats identified by peer organizations
• Test and validate policy rules/signatures for effectiveness, applicability, etc.
• Profile current and new applications and map to appropriate perimeter security policy
• Deliver Incident Response Support for DoS, DDOS, and related application attacks

  • Network performance management
    • Troubleshooting slow server response times
    • Troubleshooting network routing issues
  • Web Application Firewall (WAF) administration
    • Custom signature authoring
    • Managing governance of signature deployment, patching, etc.
    • Signature efficacy evaluation/tuning
    • Authoring of policy testing regimen
  • Web application developer/administration
    • Troubleshooting web server engines (e.g. connection monitoring, resource utilization, slow response, etc.)
    • Troubleshooting web application stacks (e.g. connections from an application to a database server, authentication flows, etc.)
    • Troubleshooting elements supporting web applications such as containers, operating systems, micro-service hosting platforms
    • Troubleshooting impacts of application errors related to data validation or malformed API calls
  • TCP/IP administration/optimization
  • SIEM
    • Complex search compilation in tools such as Splunk
  • Application development
    • Text manipulation/handling via scripting in Python or Java and regular expressions
    • Creating proof of concepts to exploit zero day vulnerabilities
  • Incident response for inbound application attacks
    • Experience working in a structured, formal Security Operations Center (SOC) environment
    • Proficiency in identifying internet sources and distinguishing suspicious from benign
  • Previous 24 x 7 operations experience
  • BS/BA degree or equivalent experience


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