Principal Security Engineer

About the role

Seesaw is seeking a technical leader to guide our security strategy while remaining deeply involved in hands-on software development. This position is designed for an experienced engineer who has transitioned into security and prefers building solutions over purely administrative or governance-focused work.

Key facts

What you'll do

• Define the security roadmap and serve as the primary internal resource for risk management.
• Conduct threat modeling, secure code reviews, and architecture assessments.
• Develop and maintain security automation, infrastructure as code, and security tooling.
• Implement controls across application, API, and infrastructure layers.
• Manage vulnerability scanning, patching, and incident response efforts.
• Enhance cloud security, including IAM, networking, secrets management, and monitoring.
• Integrate security gates into CI/CD pipelines.
• Collaborate with Legal to establish security policies and support compliance initiatives like SOC 2 and ISO 27001.

Requirements

• 7+ years of professional software engineering experience.
• Proven background in application security, including threat modeling and SDLC integration.
• Expertise in securing cloud environments such as AWS, GCP, or Azure, with a focus on IAM and networking.
• Ability to balance high-level strategic planning with tactical, hands-on technical execution.
• Strong communication skills to translate complex security requirements into actionable guidance for cross-functional teams.

Nice to have

• Experience with compliance frameworks like SOC 2 or ISO 27001.
• Proficiency with security tools including SAST, DAST, SCA, SIEM, and vulnerability management platforms.
• Background in building security programs within high-growth or startup environments.
• Relevant certifications such as CISSP, CCSP, CSSLP, or OSCP.

Skills & tools

• Cloud platforms (AWS, GCP, or Azure)
• IAM, networking, and secrets management
• CI/CD pipeline security
• SAST, DAST, SCA, and SIEM tools
• Infrastructure as code

Practical notes

• Benefits include medical, dental, orthodontics, vision, 401k match, flexible PTO, Mindfulness First Fridays, monthly technology stipend, home office setup stipend, professional development stipend, paid parental leave, charitable donation matching, and volunteer days.
• The interview process includes a recruiter screen, technical discussions with the engineering team, and an in-person final round with the EVP of Engineering in Seattle.
• Seesaw participates in E-Verify.