Senior Security Engineer: Build Production-Grade PKI & Secrets

Harvey; San Francisco (CA); Hybrid; USD 188,000 - 282,000; Full time

Job summary

Harvey is building the future of security-enabled AI for a fast-growing platform. As a Senior Software Engineer on the Security Engineering team, you will design, build, and operate foundational security services across encryption, PKI, secrets management, identity and access, and tooling that makes secure paths the default.

You will push for production-grade systems, contribute to incident response, and mentor engineers while raising the security bar through design and code reviews.

Qualifications

• 5+ years of software engineering experience.
• Hands-on experience designing and operating security infrastructure (PKI, encryption, secrets management).
• Knowledge of vulnerability classes and secure system failure reasoning.
• Strong programming across the stack.
• Experience with cloud providers (Azure, GCP, AWS).
• Excellent communication and collaboration.

Responsibilities

• Design, build, and operate shared services for encryption, key management, and secure storage, partnering with Product and Infrastructure teams to protect sensitive data
• Build PKI and certificate lifecycle automation, including issuance, renewal, revocation, and trust rotation
• Build secrets management workflows that discover exposed credentials, enable secure storage and delivery, automate rotation, and support rapid revocation
• Build secure-by-default libraries and self-service tooling for data protection and identity and access, making shared security controls easy for engineering teams to adopt
• Build reusable tooling for code, dependency, and secret scanning, CI/CD enforcement, and remediation, including infrastructure to safely run and observe security agents
• Take these systems from greenfield to production-grade: define the architecture, ship it, instrument it, and own its reliability
• Contribute to incident response and drive technical mitigation when security issues surface
• Raise the security bar across engineering through design reviews, code reviews, and technical mentorship

Skills

Software engineering

Security infrastructure design

Cloud infrastructure

Programming across stack

Agentic tooling (Claude Code/Codex)

Security knowledge (PKI, encryption)

Communication skills

Tools

Claude Code

Codex

Job description

Harvey is building the future of security-enabled AI for a fast-growing platform. As a Senior Software Engineer on the Security Engineering team, you will design, build, and operate foundational security services across encryption, PKI, secrets management, identity and access, and tooling that makes secure paths the default.

You will push for production-grade systems, contribute to incident response, and mentor engineers while raising the security bar through design and code reviews.