Senior Application Security Engineer

Fortinet

Full time United Kingdom, United Kingdom Computer Occupations

Posted:

January 30, 2026

Location:

United Kingdom, United Kingdom, United Kingdom

Job Description

Senior Application Security Engineer

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.
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Job Overview

Job Type: Full time

Location: United Kingdom, United Kingdom

Posted: January 30, 2026

Deadline: March 11, 2026