Founding Security Infra Engineer — AI Startup (Hybrid SF)

Sela; San Francisco (CA); Hybrid; USD 150,000 - 210,000; Full time

Benefits offered by this job

Med/Dental/Vision coverage

401(k) with match

Unlimited PTO

Hybrid SF schedule

Job summary

Sela, a market-leading AI voice agent for mortgage lenders, is hiring a security-focused engineer to shape our security program in a fast-moving startup setting in San Francisco. You will secure cloud infrastructure, implement robust access controls, and drive compliance initiatives across our architecture.

Join a well-funded team solving complex, high-availability challenges with real-world impact in the fintech space, including AI-driven customer interactions across voice and SMS channels.

Qualifications

• 3–6 years of experience in security, infrastructure, DevOps, or platform engineering.
• Experience at an early-stage startup (Seed–Series C) preferred.
• Hands-on with securing and operating cloud infrastructure, preferably AWS.
• Strong IAM, networking, encryption, logging, vulnerability management knowledge.
• Experience implementing security controls, not just defining policies or requirements.
• Experience working with systems that handle sensitive customer or consumer data.
• Ability to work independently in a fast-moving startup environment.

Responsibilities

• Define and continuously improve our security and privacy program.
• Implement security best practices across cloud infrastructure, applications, and internal systems.
• Build secure patterns and controls for internal AI agent use cases.
• Own identity, access, secrets, and privileged access controls.
• Lead customer security reviews and compliance efforts, including SOC 2 Type II.
• Manage third-party penetration testing and drive remediation of findings.
• Build technical controls to protect sensitive customer and consumer data across API, voice, and SMS systems.

Skills

Security engineering

DevOps

Platform engineering

Tools

AWS

IAM

Vulnerability scanning

Job description

Sela, a market-leading AI voice agent for mortgage lenders, is hiring a security-focused engineer to shape our security program in a fast-moving startup setting in San Francisco. You will secure cloud infrastructure, implement robust access controls, and drive compliance initiatives across our architecture.

Join a well-funded team solving complex, high-availability challenges with real-world impact in the fintech space, including AI-driven customer interactions across voice and SMS channels.