Wells Fargo · 2 hours ago
Lead Information Security Engineer iWeb Application Security
Irving, TX
Full-time
Hybrid
Senior Level, Lead/Staff
5+ years expWells Fargo is seeking a Lead Information Security Engineer for their Inbound Web Application Security (iWAS) team that safeguards enterprise web assets against sophisticated Layer-7 attacks. The role involves designing and operating DDoS protections, implementing WAF policies, and providing security for applications while minimizing false positives.
FinanceBankingFinTechPaymentsProperty & Casualty InsuranceFinancial ServicesInsurance
No H1B
Responsibilities
Lead incident response for moderately complex events affecting public web applications, with emphasis on Layer-7 attack detection, triage, containment, and recovery
Provide security consulting to internal application stakeholders, ensuring conformance with enterprise security policies and standards
Design, document, test, and maintain security controls for web applications at the edge
Engineer, deploy, and tune WAF policies/signatures (e.g., cross-site scripting, injection, protocol anomalies), bot detection/mitigation, API protection (rate limiting, schema/behavior enforcement), and Layer-7 DDoS defenses
Implement and refine rate limiting for web and API endpoints to ensure resiliency, performance, and abuse prevention
Review and correlate security logs and telemetry across edge providers and on-prem platforms; distinguish real attacks from false positives
Apply industry best practices in availability, integrity, confidentiality, risk management, threat modeling, monitoring, incident response, access management, and business continuity
Collaborate across security engineering, networking, application owners, and operations to resolve issues and achieve shared goals
Support application onboarding/offboarding to the SaaS providers, using knowledge of DNS, WAF, L7 DDoS, bot policies, and GLB/routing considerations
Qualification
Required
5+ years of Information Security Engineering experience, or equivalent (work experience, training, military, education)
2+ years in-depth knowledge and troubleshooting of HTTP-based web applications
5+ years implementing WAF signatures or virtual patches
5+ years hands-on with enterprise scale Web Application Firewalls
2+ years intermediate to advanced scripting/automation (e.g., Bash, Ansible playbook/role development, PowerShell, Python)
2+ years advanced understanding of network concepts (DNS, firewalls, load balancing)
1+ year change and incident management in medium/large enterprise environments
1+ year with Agile methodologies (Scrum or Kanban)
1+ year basic understanding of TLS, certificates, and mTLS authentication
Preferred
Strong verbal, written, and interpersonal communication skills
Deep WAF concepts knowledge and hands-on policy engineering
Demonstrated experience tuning false positives/false negatives, including custom rules and exceptions
Practical knowledge of data and perimeter security (firewalls, IDS/IPS) and network protocols
Understanding of network security architectures and standards development
Familiarity with web security signatures, web firewall policy design, and global load balancing strategies
Experience with bot mitigation strategies and API security (e.g., endpoint discovery, authentication/authorization patterns, schema validation, rate limiting)
Experience with application onboarding/offboarding to edge/WAF protection stacks
Exposure to Information Security frameworks/standards (FFIEC, NIST, ISO)
Hands-on Saas/web application security configuration at scale
Experience protecting large consumer web properties (e.g., high-traffic, high-visibility domains)
Applied protections against cross-site scripting, injection, and common OWASP Top 10 issues
Comfort explaining OSI stack layers, especially the difference between network-layer DDoS (L3/L4) and application-layer DDoS (L7)
Company
Wells Fargo
Wells Fargo & Company is a financial services firm that provides banking, insurance, investments, and mortgage services.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
unknown1978-10-06IPO
Leadership Team
Charlie Scharf
CEO
Fernando Rivas
CEO of Corporate & Investment Banking
Recent News
2026-02-09
2026-02-07
2026-02-06
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