Security Engineer

Responsibilities

• Lead security for the platform, including application, cloud, network, and AI agent security
• Perform secure design reviews and oversee threat modeling
• Partner with engineering, product, and GRC teams to embed security in the SDLC
• Implement automation and tooling within CI/CD pipelines
• Conduct regular cloud environment audits and review IAM configurations
• Present security posture and address data concerns for enterprise clients

Requirements

• Strong foundation in web application security, cloud security (AWS, Azure, or GCP), and networking
• Hands-on experience with programming, scripting, and DevOps tools
• Familiarity with secure coding, threat modeling, and incident response
• Ability to work in a fast-paced startup environment
• Strong communication skills for explaining technical risks to diverse audiences

Preferred Qualifications

• Experience securing AI systems, LLMs, and Agentic AI risks
• Experience with Infrastructure as Code (Terraform, CloudFormation)
• History of building custom security tools using AI/ML
• Familiarity with continuous compliance platforms
• Experience with privacy-by-design practices like data anonymization

About the Company

Sierra is creating a platform to help businesses build better, more human customer experiences with AI. Founded by Bret Taylor and Clay Bavor, the company is guided by values of Trust, Customer Obsession, Craftsmanship, Intensity, and Family.