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Salary: USD 180,000 - 240,000 / annual
Finix is building the global operating system for fintech, starting with payments infrastructure. The company processes tens of billions of dollars annually for startups through publicly traded companies and has raised over $200M from top-tier investors including Acrew Capital, Lightspeed Venture Partners, American Express Ventures, Bain Capital Ventures, Homebrew, Inspired Capital, and Visa.
As a Senior Security Engineer, you will own the secure design, implementation, and operation of Finix's cloud and corporate environments. You will be a key technical leader in the Engineering organization, working closely with Engineering, Information Security, Compliance, and IT teams.
Key responsibilities include:
- Partner with Engineering on secure design and implementation of new features
- Secure AWS infrastructure and workstations; lead security incident response
- Coordinate pentests, vulnerability scanning, and bug bounty program; triage findings and drive remediation
- Secure CI/CD pipelines and software supply chain
- Own PCI architecture with engineering, including scoping, data handling, and secure SDLC
- Support HSM operations, key exchanges, and key injections
- Build and maintain controls for PCI DSS, SOC 2, and other regulatory frameworks
- Support audit fieldwork and customer security questionnaires
- Secure internal AI tooling and establish guardrails for AI use across the company
Requirements:
- 5+ years in security engineering, preferably in cloud-native fintech or payments
- Development experience in Java
- Strong AWS experience, including security services and infrastructure
- Hands-on vulnerability remediation experience
- Incident response experience
- Clear written and verbal communication, including presenting findings to technical and non-technical audiences
- Working knowledge of PCI DSS and other regulatory frameworks
- Cryptography and key management experience
Nice to have:
- AWS Security Specialty, CISSP, or similar certification
- Bug bounty and hands-on pentest experience
- CI/CD pipeline experience
- Infrastructure as code experience (Terraform)
- Experience with IAM and identity providers such as Okta
- Experience with CrowdStrike, Palo Alto Prisma Access, or Sonatype Nexus
About Finix
Fintech — payments infrastructure platform for software companies and marketplaces.
