Sr Applications Security Engineer

Job-: RD Network Security Architect

Location:

Sunnyvale, CA, United States Workplace:
Hybrid

Schedule:

Full time Posted:
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.

Key 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  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.

Required Skills/

Experience:

5+ years of work experience as an Information Security Researcher or Engineer3+ 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 Dev Sec Ops  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 teamsA BS degree in Computer Science, Cyber Security, other tech-related degree, or equivalent experience.

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

Must be authorized to work in the U.S. without sponsorship.

The US base salary range for this full-time position is $170,000-$240,000. Fortinet offers employees a variety of benefits, including…