The Sr. Security Engineer - Identity and Access Management (IAM) is an advanced role responsible for maintaining PetSmart's IAM environment and driving forward progress towards PetSmart's IAM strategy and vision. This individual will architect, develop, and implement scalable, business-aligned IAM solutions, ensuring security enables rather than hinders business operations. Beyond technical expertise, this role demands strong collaboration and negotiation skills to balance security, user experience, and business agility. The Sr. Security Engineer will serve as a primary advisor to business and IT partners, influencing decision-making and driving IAM initiatives that create tangible business value. This role requires innovation, forward-thinking problem-solving, and the ability to proactively anticipate security challenges, ensuring IAM remains a strategic enabler for PetSmart. The Sr. Security Engineer will also guide junior engineers and foster a culture of collaboration, continuous improvement, and security-first thinking across the enterprise.