Principal Product Security Engineer

Principal Product Security Engineer

Position Overview

Were looking for a Principal Product Security Engineer to lead and scale Obsidians product security program across our SaaS product cloud infrastructure CI/CD pipelines and related services. This is a senior highly technical role for someone who can combine deep security engineering expertise with strong ownership judgment and cross-functional leadership.

Youll partner closely with Engineering Product GRC IT DevOps SRE and Platform teams to embed security throughout the SDLC strengthen cloud and infrastructure security mature threat modeling and secure design practices and drive automation across detection response vulnerability management and security testing.

This role reports to the Head of Security and is ideal for a seasoned product security leader who thrives in a fast-moving high-growth cybersecurity startup and wants to make a meaningful impact on the security of our product customers and organization.

Key Responsibilities

• Lead and evolve Obsidians product security program including standards runbooks technical documentation and operational practices.
• Provide technical leadership mentorship and secure design guidance to security and engineering teams.
• Drive security architecture reviews threat modeling secure coding practices and scalable security design reviews.
• Integrate security deeply into the SDLC through code review SAST/DAST fuzzing SBOMs dependency scanning and CI/CD security controls.
• Partner with infrastructure teams to harden AWS GCP Kubernetes GitLab Terraform data pipelines secrets management and service-to-service access controls.
• Improve security automation monitoring metrics dashboards and reporting.
• Lead technical response for product security incidents vulnerability remediation penetration testing and red team findings.
• Support customer and prospect security reviews as a senior technical security expert.

What Were Looking For

• 10 years of product security and/or engineering experience in cloud-native environments ideally in cybersecurity financial services or another high-security industry.
• Strong software engineering skills especially in Python.
• Hands-on expertise with Terraform Kubernetes AWS GCP GitLab security automation and security metrics.
• Deep knowledge across application security cloud security detection and response vulnerability management and secure SDLC practices.
• Experience partnering with engineering product IT GRC and external stakeholders during security reviews and incidents.
• Strong communication skills with the ability to influence educate and raise security maturity across the company.
• A mission-driven ownership-oriented mindset and the ability to thrive in a dynamic startup environment.

What We Offer

• A team-first low-ego mission-focused culture.
• High-impact work shaping the security of Obsidians product and platform.
• Professional development opportunities and annual conference budget.
• Competitive salary equity and health benefits.
• Opportunities to publish research share non-proprietary code and present at conferences.
• The chance to join a fast-growing company backed by Greylock Partners Google Ventures Menlo Ventures WingVC and Norwest Venture Partners.