Senior Cybersecurity Engineer – Web Application & Network Security
Location: Columbus, OH (Hybrid – Tuesday through Thursday onsite, Monday and Friday remote)
Position Type: Contract
Position Summary
We are seeking an experienced Senior Cybersecurity Engineer to lead the design, implementation, and support of enterprise web application and network security solutions. This role is responsible for securing internet-facing applications using F5 Distributed Cloud (XC) WAF while supporting enterprise network security through Palo Alto firewalls, Prisma Access, VPN technologies, and cloud security automation.
The ideal candidate combines expertise in application security, network security, and cloud security with a passion for protecting critical enterprise services.
Key Responsibilities
Administer and support F5 Distributed Cloud (XC) WAF
Deploy and optimize WAF policies, signatures, and security controls
Configure API Protection, Bot Defense, DDoS mitigation, geolocation policies, rate limiting, and CAPTCHA challenges
Investigate and tune WAF false positives
Onboard applications into enterprise WAF services
Support web application incident response and attack investigations
Secure applications against OWASP Top 10 vulnerabilities
Partner with development teams on secure application architecture
Administer Palo Alto NGFW, Prisma Access, VPNs, SSL decryption, NAT, and segmentation
Troubleshoot DNS, routing, and production network security issues
Develop automation using Python, REST APIs, Terraform, and Git
Build dashboards and reporting for security posture
Participate in incident response, threat hunting, vulnerability remediation, and architecture reviews