Sr. Security Engineer

About the role

About Our Client: The organization operates in the online sales sector, specifically serving AI, SaaS, gaming, software, and digital product companies. It addresses challenges related to managing global payment processes, including checkout and tax handling, enabling clients to expand their reach efficiently. Established in 2005, the company is privately owned with headquarters in Santa Barbara and additional offices worldwide.

About the Opportunity: The Sr. Security Engineer role within the Agentic Experience group is focused on enhancing the security of the core payments platform and establishing security practices for AI-assisted software development. This position contributes by securing application and cloud infrastructure, reviewing AI development tools, and supporting risk management and compliance efforts, thereby ensuring the organization’s secure operation and resilience.

Responsibilities

• Identify, prioritize, and remediate vulnerabilities in Java-based platform and AWS infrastructure
• Improve infrastructure security including IAM policy refinement, instance metadata protection, and network egress controls
• Review security of AI-assisted development pipelines, tool integrations, and agent-accessible services
• Develop and maintain secure development standards and guardrails for engineering teams
• Collaborate with the fractional CISO on risk assessment, remediation planning, and compliance (including PCI DSS)
• Support incident response readiness and enhance security monitoring
• Communicate security priorities and progress to technical and executive stakeholders

Requirements

• Minimum 7 years of hands-on security engineering experience in application, cloud, or infrastructure security
• Strong expertise with AWS security services and primitives such as IAM, VPC networking, and secrets management
• Experience securing large production codebases, preferably within the JVM ecosystem
• Familiarity with modern AI-assisted development tools and their security implications
• Effective prioritization and communication skills to advocate for security investments
• Experience in payments, fintech, or regulated environments is advantageous
• Relevant certifications such as CISSP, OSCP, or AWS Security Specialty are beneficial but not required

Pay

Estimated base pay range: $155,000—$187,000 USD. Eligibility for corporate bonus plan.