Senior Data Engineer, Security Program Lead

Gemburg; United States; On-site; USD 180,000 - 240,000; Full time

Job summary

Gemburg is seeking a senior security engineer with 7+ years of experience who moved from a software/CS background into security. You will define and build the security program from scratch across the LLM pipeline, infrastructure, and product, reporting to the CTO.

You'll own the security program, work with engineering pods to threat model and identify vulnerabilities, harden multi-tenant isolation, manage pen tests and scans, and help align with Fortune 500 customers such as Google, Microsoft,

Qualifications

• 7+ years of experience in security engineering or transitioning from software engineering to security.
• Hands-on experience spanning application and infrastructure security.
• Built a security program from scratch.
• Threat modeling and vulnerability assessment (pen tests, vulnerability scans, risk prioritization).
• Ability to read and review code for security vulnerabilities (not purely GRC/compliance).
• Cloud security architecture and multi-tenant isolation experience.

Responsibilities

• Define and build security architecture from the ground up across the LLM pipeline, infrastructure, and product.
• Take ownership of the entire security program as the first dedicated security hire, reporting directly to the CTO.
• Work closely with engineering pods to identify vulnerabilities, run threat modeling, and ensure secure design patterns as features are planned and shipped.
• Harden multi-tenant isolation and collaborate with the infra team on multi-region data residency.
• Manage pen tests, vulnerability scans, and write lightweight policies that keep the platform compliant and actually secure.
• Own internal IT (devices, access, identity) and serve as the technical ground truth behind audits, questionnaires, and enterprise security reviews.
• Contribute to and help evolve the security roadmap as Listen scales with Fortune 500 customers including Google, Microsoft, and Anthropic.

Skills

Security engineering

CS to security

Threat modeling

Vulnerability assessment

Code review

Cloud security

Multi-tenant isolation

Tools

Penetration testing tools

Vulnerability scanners

Job description

Gemburg is seeking a senior security engineer with 7+ years of experience who moved from a software/CS background into security. You will define and build the security program from scratch across the LLM pipeline, infrastructure, and product, reporting to the CTO.

You'll own the security program, work with engineering pods to threat model and identify vulnerabilities, harden multi-tenant isolation, manage pen tests and scans, and help align with Fortune 500 customers such as Google, Microsoft,