Cybersecurity Engineer (System, Network & AI Security)

Nielsen is the industry s most trusted data analytics solution for video content across all
platforms and devices. We follow modern security practices to uphold the privacy and security of

Were protecting tens of thousands of endpoints across multiple cloud and on premise

Nielsen provides all its employees with opportunities for education & training, including

RESPONSIBILITIES:

• Design, build, configure, and maintain internal cybersecurity controls related to AI technologies and processes.
• Provide cybersecurity guidance on the strategy and implementation of AI, with a focus on protecting sensitive data across all systems, including structured databases and unstructured data lakes.
• Develop scripts and automation for complex security workflows and integrations, leveraging languages like Python and tools like Ansible to enhance efficiency.
• Optimize AI, network, and system security tools by tuning policies for efficiency and accuracy to prevent false positives and enhance threat detection.
• Contribute to automation efforts to facilitate the secure deployment and configuration of cybersecurity technology both on-prem and in the cloud.
• Develop architecture diagrams and documentation for Nielsen s security controls and processes, with a focus on comprehensive solutions that span on-premise, cloud, and AI/ML environments.
• Implement and manage network and system security measures, including firewalls, intrusion detection/prevention systems (IDS/IPS), web application firewalls (WAF), and Network Access Control (NAC) to protect enterprise infrastructure.
• Secure the AI/ML lifecycle, including protecting model training data, implementing controls to prevent adversarial attacks, and ensuring the integrity of generative AI applications.
• Troubleshoot escalated, high-impact cybersecurity problems across system and network layers.
• Remain current on cybersecurity technology, vulnerabilities, attacks, and countermeasures, with a special focus on emerging threats to AI and machine learning models.

A LITTLE BIT ABOUT YOU:

• With your problem-solving abilities and deep understanding of cybersecurity, you can help Nielsen stay on the forefront of the evolving threat landscape. You are passionate about the unique challenge of protecting an organization s most valuable assets, from critical network infrastructure to the intellectual property within its AI and ML models.
• You are excited by the challenge of securing new and complex technologies, including the AI and machine learning stacks.
• You are proactive in finding and correcting issues and in looking for ways to maximize the effectiveness of existing and new technologies.
• You understand the importance of staying current on vulnerabilities, exploits, and the expanding attack surface, including cloud services, remote work, IoT, and AI-specific attack vectors.
• You approach challenges from new perspectives and develop effective solutions for unique problems, especially in a dynamic environment where systems, networks, and data are constantly evolving.
• You appreciate the importance of operations as an enabler for incremental development and can effectively prioritize and perform work with autonomy.
• You look for opportunities to drive efficiency via automation and collaboration.Qualifications

• Expertise in AI security methodologies and their implementation in complex environments.

• 802.1x

• Proven scripting and automation experience (Python, Shell, Bash, Ansible, etc.).
• Strong knowledge of cloud computing security standards and controls (AWS, GCP, Azure).
• Deep experience with network and system security technologies such as firewalls (e.g., Palo Alto, Cisco), IDS/IPS, WAFs, and Network Access Control (NAC).
• Experience in securing the AI/ML lifecycle, including data privacy, model integrity, and knowledge of frameworks like the OWASP Top 10 for LLMs.
• Experience leading projects from start to finish.
• Ability to work both independently and as part of a team with minimal supervision.
• Ability to communicate complex technical details in a clear, understandable manner to both technical and non-technical audiences.
• Experience providing and validating security requirements related to information system design, implementation, and business processes.
• Knowledge of common information security standards, such as ISO, CIS, and NIST.
• Relevant security certifications such as SANS/GIAC, CCIE Security, CAISP or OSCP.