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Staff Applications Security Engineer

Fortinet

Sunnyvale, CAFull-time$170–240K/yrPosted 3 days agoStill listed 1 day ago

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At a glance

Compensation
$170–240K/yr
Location
Sunnyvale, CA
Schedule
Full-time
Work Authorization
Not specified

Olive lists jobs from US employers, including remote roles you can work from the United States.

Job overview

Fortinet seeks a Staff Applications Security Engineer for its Corporate Information Security team. The role conducts security reviews of Fortinet applications, educates engineers, and handles externally reported vulnerabilities. The engineer partners with development teams on security testing, mitigation strategies, architecture, and secure development practices, while researching application attack vectors and coaching peers across a global distributed team.

Skills & qualifications

RequiredNice to have

Skills

Information Systems Security, nice to haveApplication Security, nice to haveCode Review, nice to havePenetration Testing, nice to haveVulnerability Management, nice to haveCloud Computing Architecture, nice to haveMicroservices, nice to haveContainerization, nice to haveDevSecOps, nice to haveThreat Modeling, nice to haveOAuth, nice to haveJSON Web Token (JWT), nice to haveCSSP Analyst, nice to haveArtificial Intelligence, nice to haveML/I, nice to haveSource Code Auditing, requiredJava, required.NET, requiredPython, requiredJavaScript Frameworks, requiredOWASP Top 10, requiredAPI Security, requiredCloud-Native Architecture, requiredSecure Deployment, requiredApplication Penetration Testing, requiredSecurity Code Review, requiredDAST, requiredSAST, requiredIAST, requiredSCA, requiredComputer Security, requiredNetwork Security, requiredAuthentication, requiredAuthorization, requiredSecurity Protocols, requiredApplied Cryptography, requiredCSP, requiredSOP, requiredCORS, requiredCI/CD Pipelines, requiredBuild Systems, requiredAI and ML, requiredLLM Concepts, requiredRAG, requiredAgentic Workflows, requiredMCPs, requiredAI Red Teaming, requiredAI Guardrails, requiredSecure AI Development, requiredSecurity Architecture, requiredCloud Security Solutions, requiredCloud Service Providers, required

Qualifications

5+ Years Information Security Experience, required3+ Years Source Code Auditing Experience, requiredApplication Security Testing Experience, requiredEnterprise Security Architecture Experience, requiredCloud Security Experience, requiredThreat Modeling Experience, requiredOAuth and JWT Implementation Experience, requiredEffective Communication, requiredBachelor's in Computer Science, Cyber Security, or Related Field or Equivalent Experience, requiredCSPM or ASPM Tools Experience, nice to haveOSWE, OSCP, GWEB, GPEN, or Similar Certificate, nice to haveMobile Application Penetration Testing Experience, nice to have

Benefits

Medical Insurance
Dental Insurance
Vision Insurance
401(k) Match
Paid Time Off
Parental Leave

Full job description

Fortinet is looking for a Staff Applications 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 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.

Required Skills/Experience:

  • 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.
  • 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 medical, dental, vision, life and disability insurance, 401(k), 11 paid holidays, vacation time, and sick time, as well as a comprehensive leave program. Wage ranges are based on various factors, including the labour market, job type, and job level. Exact salary offers will be determined by factors such as the candidate's subject knowledge, skill level, qualifications, experience, and geographic location. All roles are eligible to participate in the Fortinet equity program. Bonus eligibility is reviewed at the time of hire and annually at the Company’s discretion.

Why Join Us: We encourage candidates from all backgrounds and identities to apply. We offer a supportive work environment and a competitive Total Rewards package to support you with your overall health and financial well-being. Embark on a challenging, enjoyable, and rewarding career journey with Fortinet. Join us in bringing solutions that make a meaningful and lasting impact to our 890,000+ customers around the globe. Fortinet (NASDAQ: FTNT) secures the largest enterprise, service provider, and government organizations around the world. Fortinet empowers its customers with intelligent, seamless protection across the expanding attack surface and the power to take on ever-increasing performance requirements of the borderless network - today and into the future. Only the Fortinet Security Fabric architecture can deliver security without compromise to address the most critical security challenges, whether in networked, application, cloud or mobile environments. Fortinet ranks number one in the most security appliances shipped worldwide and more than 500,000 customers trust Fortinet to protect their businesses.

We are committed to providing reasonable accommodations for all qualified individuals with disabilities. If you require assistance or accommodation due to a disability, please contact us at [email protected].

Fortinet is an equal opportunity employer. We value diversity in our company, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, age, military/veteran status or any other applicable legally protected characteristics in the location in which the candidate is applying.

How this job compares

Set against the 4,335 open Security Engineer jobs on Olive Jobs, counted November 10, 2026.

Pay
  • This posting$170–240K/yr
  • California median$168–250K/yr652 salary ranges
  • US median$132–208K/yr3,470 salary ranges

This range's midpoint, $205K, is 3% below the California median midpoint ($212K) — in the middle half of Security Engineer salary ranges in California.

Openings
Olive Jobs lists 800 open Security Engineer jobs in California and 4,335 across the US. 10% of them nationwide are listed as remote or flexible.
Hiring the most in California
Experience
This posting asks for at least 5 years of experience; Security Engineer postings that state a minimum ask for 5 years at the median (3,711 postings).
Education
1,173 of the 4,335 open Security Engineer jobs (27%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on November 10, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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