Senior Cyber Security Network Engineer

1 month ago

Chicago, Illinois, United States Nielsen Consumer LLC Full time
Job Summary

We are seeking a highly skilled Cyber Security Network Engineer to join our team at Nielsen Consumer LLC. As a key member of our security team, you will be responsible for maintaining and operating current network security tools, as well as implementing new means of visibility and control of network traffic.

This is a critical role that requires a strong understanding of network security principles, protocols, and technologies. You will work closely with our Enterprise IT, network infrastructure teams, and Governance Risk and Controls team to deploy and operate various tools.

Key Responsibilities:

  • Proactively identify opportunities to improve our security controls, enhance threat detection, and reduce attack surfaces
  • Develop and deploy innovative network-based security solutions
  • Spearhead POC activities and participate in decision making for new product analysis and selection
  • Review network security requests and modifications; advise and consult with requestors as necessary
  • Work with Enterprise IT to drive best practices across global networks
  • Write, create, and update documentation for internal teams, technical users, and end users
  • Provide secondary support for endpoint software (EDR, AV, content filtering, etc.) issues, as and when required
  • Interface with vendors to drive product enhancements as well as issue resolution in a timely manner
  • Create and present training materials for non-technical users
  • Provides mentorship and guidance to junior members of the team
  • Act as an escalation point for high severity issues for timely resolution
  • Drive, as well as support, organization-wide campaigns to drive security foundations into all technology

Requirements:

  • Bachelor's degree in a technical field, including Computer Science, Information Systems, Math, Physics, Science, or similar
  • Hands-on experience with network analysis and security tools, such as packet capture and analysis, firewalls, web application firewalls, web proxy/SWG, routing/switching, DNS, application layer networking, transport layer security (encryption/decryption), certificate handling, and wireless technologies
  • Hands-on experience with tools, such as F5 WAF, Azure WAF, Defender Network Protection, and ZScaler
  • Expert-level understanding of the OSI model
  • Fundamental knowledge of endpoint security tools (EDR, AV, etc.), how they operate, and what their role is in defense-in-depth
  • Ability to directly support incident response teams and participate in ongoing IR as required
  • Knowledge of sophisticated hacking techniques, malicious actors, IOCs, TTPs, and the ability to translate intelligence into action is desirable
  • Demonstrated experience with change management in enterprise production environments
  • Knowledge of scripting languages, such as PowerShell, Python
  • Ability to manipulate large datasets using tools, such as Excel, PowerBI, SQL
  • Knowledge of MITRE ATT&CK and NIST CSF frameworks
  • Self-starter, technology and security hobbyist, enthusiast

About Nielsen Consumer LLC

Nielsen Consumer LLC is the world's leading consumer intelligence company, delivering the most complete understanding of consumer buying behavior and revealing new pathways to growth. We are committed to reflecting the diversity of the clients, communities, and markets we measure within our own workforce. We exist to count everyone and are on a mission to systematically embed inclusion and diversity into all aspects of our workforce, measurement, and products.

We are proud to be an Equal Opportunity/Affirmative Action-Employer, making decisions without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability status, age, marital status, protected veteran status, or any other protected class. Our global non-discrimination policy covers these protected classes in every market in which we do business worldwide.

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