Sr Applications Security Engineer

Fortinet•Sunnyvale, CA

2d•$147,000 - $180,000

About The Position

Fortinet is looking for a Sr. Application Security Engineer to join the Corporate Information Security team. This is a highly technical role, with responsibilities conducting security reviews on various Fortinet applications, providing security education to our engineers and handling externally reported vulnerabilities.

Requirements

5+ years of work experience as an Information Security Researcher or Engineer
3+ years of experience with manually auditing source code to find security issues or programming skills in one or more of: Java, .NET, Python or JavaScript frameworks.
Strong understanding on OWASP TOP 10 vulnerabilities.
Strong understanding of common API security risks
Strong understanding on Cloud-Native application architecture, microservices, containerization technologies, secure deployment and implementation issues.
Proven experience in application penetration testing
Proven experience in security code review
Proven experience in application security testing (DAST, SAST, IAST, SCA) tools and processes
Strong foundation in computer and network security, authentication & authorization, security protocols and applied cryptography
Solid understanding with web security standards such as CSP, SOP, CORS, and emerging web security technologies.
Solid understanding on CI/CD pipelines, build systems and DevSecOps principles.
Strong understanding with AI&ML & LLM concepts like RAG, Agentic Workflows, MCPs, Skills, AI Red Teaming, AI Guardrails and Secure AI development and deployment strategies.
Experience defining security architecture patterns and standards in a large enterprise organization.
Experience with cloud-based security solutions and familiarity with cloud service providers, particularly in relation to application security
Experience working with threat modeling methodologies such as MITRE ATT&CK, STRIDE, PASTA etc.
Understanding of OAuth and JWT implementations.
Ability to organize & communicate effectively, both written and verbal, with technical and non-technical people across functional teams
A BS degree in Computer Science, Cyber Security, other tech-related degree, or equivalent experience.
Must be authorized to work in the U.S. without sponsorship.

Nice To Haves

Experience in Cloud Security Posture Management (CSPM) and/or Application Security Posture Management (ASPM) tools is a plus.
Having OSWE OSCP, GWEB, GPEN or similar certificate is a plus
Experience in Mobile Application Penetration Testing is a plus

Responsibilities

Serve as an application security subject matter expert who provides guidance to internal teams
Work closely with development teams, perform code reviews, penetration tests, and architectural reviews on existing codes and new features.
Develop, implement, and communicate vulnerability mitigation strategies to development teams
Handle externally reported vulnerabilities as a member of Corporate Information Security Responsible Disclosure Program committee.
Drive Fortinet static and dynamic application security testing program.
Develop strategies, evaluate solutions, design and implement tools, processes and controls to ensure that security and privacy are designed in Fortinet applications
Advise development teams on SDLC best practices.
Proactively research new attack vectors on applications that may affect Fortinet applications and infrastructure.
Be part of a global distributed team to share knowledge, workload and assignments. Strong sense of teamwork is required. Coach peers in application security concepts and best practices.