Senior AI Security Engineer

About Lumen

Lumen is the trusted network for AI. We're transforming how businesses connect, secure, and scale in an AI-driven world. By connecting people, data, and applications quickly, securely, and effortlessly, we help organizations move faster and unlock what's next.

At Lumen, our culture is built on teamwork, trust, and transparency, providing you the flexibility, support, and opportunity to make a lasting impact. We’re seeking top-tier talent ready to take on this challenge. Join us in building the future.

The Role

The Senior AI Security Engineer will be pivotal in designing, managing, and enhancing Lumen's enterprise AI security program and internal AI-driven security innovations. This role operates at the intersection of AI/ML systems, cybersecurity architecture, governance, advanced defensive capability development, and innovation.

Your mission will be to ensure the secure deployment of AI technologies and emphasize proactive security and AI-specific risk reduction by leading AI vulnerability management initiatives, conducting regular penetration tests, and identifying potential threats before they impact the organization. You will champion efforts to detect, assess, prioritize, and remediate unique vulnerabilities in AI/ML environments - including model, data, supply chain, and operational risks - ensuring resilience as threats evolve.

A critical aspect of this position includes developing and maintaining enterprise AI governance frameworks that guide secure architecture, responsible use, lifecycle management, and regulatory alignment. You will also oversee AI risk management practices, including risk assessments, control design, evaluation of emerging threats, and continuous monitoring to ensure AI systems operate securely, ethically, and in compliance with internal and external standards.

The Main Responsibilities

• Lead initiatives to continuously identify, assess, and remediate vulnerabilities across AI/ML systems, overseeing vulnerability scanning, penetration testing, and red-teaming exercises tailored for AI technologies.
• Create and enforce comprehensive AI security governance structures that align with Responsible AI guidelines, regulatory mandates, and organizational risk appetite.
• Direct the identification, evaluation, and mitigation of risks inherent to AI/ML deployments while leading risk assessments, threat modeling, and scenario analysis.
• Spearhead proactive threat intelligence, detection, and response initiatives targeting AI/ML environments.
• Engineer, implement, and maintain security controls and architectures that mitigate risks throughout the AI/ML stack.
• Integrate automated solutions to maintain visibility and enforce policy across AI development and production environments.
• Align AI security capabilities with governance frameworks and enterprise security policies to support compliance and innovation.
• Design and build tools, automation, and processes that enhance vulnerability detection and risk assessment specific to AI/ML environments.
• Drive the adoption of emerging technologies and methodologies that strengthen Lumen's ability to respond to AI-specific security challenges.

What We Look For in a Candidate

• AI & ML Security: Deep understanding of AI/ML systems, expertise in AI-specific threat classes, and experience securing generative AI in enterprise environments.
• Security Engineering: Proven experience implementing security solutions across cloud, containers, and CI/CD environments.
• General Requirements: 15+ years in cybersecurity, demonstrated leadership, and strong understanding of Responsible AI and compliance considerations.
• Ability to communicate complex AI security concepts to diverse audiences, including governance bodies.
• Experience in large, federated environments with complex cloud and DevOps ecosystems.

Compensation

This information reflects the anticipated base salary range for this position based on current national data. Individual pay is based on skills, experience, and other relevant factors.

Location Based Pay Ranges:

$149,084 - $198,779 in certain U.S. states.

$156,539 - $208,718 in certain U.S. states.

$163,993 - $218,657 in certain U.S. states.

Lumen offers a comprehensive package featuring benefits to enhance your wellbeing. We can provide details about our bonus structure as you proceed through the selection process.

What to Expect Next

Requisition #: 341652

Background Screening

If selected for a position, there will be a background screen, which may include checks for criminal records and/or motor vehicle reports. Job-related concerns during the background screening may affect your eligibility for the new position.

Equal Employment Opportunities

We are committed to providing equal employment opportunities to all individuals regardless of protected statuses.

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Disclaimer

The job responsibilities described indicate the general nature and level of work performed by employees in this role. Duties and responsibilities are subject to change based on business needs.