Staff Application Security Engineer (Cybersecurity)

TL;DR

Staff Application Security Engineer (Cybersecurity): Setting technical direction and defining frameworks for application security at scale with an accent on AI-powered systems and secure-by-default solutions. Focus on building security tooling, leading threat modeling for high-risk features, and remediating systemic security risks across the organization.

Location: Hybrid in Boston, MA or New York, NY, USA

Salary: $234,000 — $300,000 USD

Company

Cloud monitoring and security platform providing observability for logs, dashboards, and APM.

What you will do

• Define security standards and secure-by-default solutions, serving as the Application Security subject matter expert.
• Build scalable security tooling and automation to support threat detection with actionable signals.
• Lead threat modeling and risk assessments for high-risk features and platform changes.
• Assess and address security risks introduced by agentic development and AI-powered product features.
• Partner with engineering teams to remediate critical threats and define API security standards.
• Identify systemic security risks and lead complex, multi-team remediation efforts end-to-end.

Requirements

• Software engineering background with hands-on experience in Go (preferred), Python, or Rust.
• Solid grounding in OWASP Top 10, web vulnerabilities, SAST, and DAST.
• Working knowledge of API security, including authentication flows and authorization patterns.
• Track record of leading threat modeling on complex systems and translating outcomes into architecture.
• Ability to communicate complex business risks and tradeoffs to executive audiences.
• Must be based in or be able to work from Boston or New York, USA

Culture & Benefits

• Equity package including new hire RSUs and Employee Stock Purchase Plan (ESPP).
• Comprehensive healthcare, dental, and global mental health benefits for employees and dependents.
• 401(k) plan with company match.
• Continuous professional development, product training, and structured career pathing.
• Inclusive culture with Community Guilds and an intradepartmental mentor/buddy program.