Engineer, AI Security Posture & Model Validation

The GCS - Security Architecture function secures Carnival Corp’s adoption of AI by ensuring GenAI, model, and agentic systems are deployed, validated, and operated against published security standards. This position is a hands-on engineering role focused on AI security posture, model validation, and securing the inference layer. The AI Engineer builds and operates the controls, tooling, and automation that keep AI workloads secure across the global brands-validating models and pipelines, enforcing identity and data protection controls, and partnering with engineering and Cloud Security teams to reduce risk to Carnival Corp and customer information assets.

Essential Functions:

• Implement and operate AI security posture management (AISPM/DSPM) across model and inference infrastructure; identify misconfigurations, drift, and risk in AI workloads and drive remediation.

• Design, build, and run model validation and evaluation harnesses to test AI models and pipelines for robustness, data leakage, and unexpected behavior before and after deployment.

• Build and maintain inference-layer guardrails and controls (input/output filtering, rate and access controls) for GenAI and agentic applications.

• Define and enforce PHI/PII and data-protection controls, and identity/access controls (least-privilege, agent-to-agent authentication) for AI systems.

• Partner with Cloud Security to establish and validate guardrails in AWS and Azure for AI workloads.

• Develop scripts, automation, and tooling (primarily Python) to integrate AI security controls and automated testing into CI/CD pipelines and engineering workflows.

• Document secure architecture patterns, anti-patterns, and reference materials for model deployment and inference, and provide remediation guidance to engineering teams.

• Research, test, and pilot AI security tools and utilities aligned to the NIST AI RMF and related standards.

• Transition matured AI security monitoring to security operations teams.

Knowledge, Skills & Abilities:

• Strong scripting and automation skills (especially Python) for security tooling, evaluation harnesses, and automated testing of AI systems. Hands-on experience validating AI/ML models and securing the inference layer. Working knowledge of Identity and Access Management and data security/privacy controls (PHI/PII, encryption). Applied understanding of the NIST AI RMF and related AI security frameworks. Ability to communicate AI security concepts in non-technical terms to business stakeholders.

Essential/Minimum qualifications:

• Bachelor's degree in Cyber Security, Computer Science, Artificial Intelligence, or a related field (Master's a plus).

• Cloud environment (Azure & AWS) security fundamentals. Strong programming/scripting ability (Python). Knowledge of machine learning concepts, secure MCP configuration, Application/API security, and data protection.

Essential experience required

• 3+ years (mid-level) in Cyber Security, AI/ML, or security engineering in a large enterprise setting.

• Identity and Access Management fundamentals. Hands-on experience with model validation, security tooling and automation, and applying the NIST AI RMF to AI workloads.

Travel: None

Work Conditions:Work primarily in a climate-controlled environment with minimal safety/health hazard potential.

Physical Demands. Work primarily in a climate-controlled environment with minimal safety/health hazard potential.

This position is classified as “in-office.” As an in-office role, it requires employees to work from a designated Carnival office in South Florida Monday through Thursday each week. Employees may work from their homes on Fridays. Candidates must be located in (or willing to relocate to) the Miami/Ft. Lauderdale area.

Offers to selected candidates will be made on a fair and equitable basis, taking into account specific job-related skills and experience.

At Carnival, your total rewards package is much more than your base salary. All non-sales roles participate in an annual cash bonus program, while sales roles have an incentive plan. Director and above roles may also be eligible to participate in Carnival’s discretionary equity incentive plan. Plus, Carnival provides comprehensive and innovative benefits to meet your needs, including:

• Health Benefits:
  • Cost-effective medical, dental and vision plans
  • Employee Assistance Program and other mental health resources
  • Additional programs include company paid term life insurance and disability coverage
• Financial Benefits:
  • 401(k) plan that includes a company match
  • Employee Stock Purchase plan
• Paid Time Off
  • Holidays - All full-time and part-time with benefits employees receive days off for 8 company-wide holidays, plus 2 additional floating holidays to be taken at the employee’s discretion.
  • Vacation Time - All full-time employees at the manager and below level start with 14 days/year; director and above level start with 19 days/year. Part-time with benefits employees receive time off based on the number of hours they work, with a minimum of 84 hours/year. All employees gain additional vacation time with further tenure.
  • Sick Time - All full-time employees receive 80 hours of sick time each year. Part-time with benefits employees receive time off based on the number of hours they work, with a minimum of 60 hours each year.
• Other Benefits
  • Complementary stand-by cruises, employee discounts on confirmed cruises, plus special rates for family and friends
  • Personal and professional learning and development resources including tuition reimbursement
  • On-site Fitness center at our Miami campus