Remote WAF Engineer (EST) – DNS & Routing Expert

ZealHire Inc.; United States; Remote; USD 90,000 - 150,000; Full time

Job summary

ZealHire Inc. is seeking a WAF engineer to implement and manage a multi-vendor web application firewall in a remote EST setup.

You will coordinate migration, configure origin servers, and ensure correct traffic routing before and after WAF changes, collaborating with network and security teams to deliver a secure, scalable deployment. Candidates with strong DNS/DHCP knowledge and practical experience in WAF integrations will stand out.

Qualifications

• DNS and DHCP fundamentals required.
• Understanding routing architecture and core networking.
• Knowledge of A records and DNS change impact on traffic.
• Understanding origin servers and how WAF connects traffic.
• Ability to apply these basics in an actual WAF implementation.

Responsibilities

• Implement a web application firewall (WAF).
• Coordinate migration, perform network work, and handle follow-up and closure.
• Configure devices for new origin servers and new routing as part of integration.
• Understand traffic flow before and after WAF changes.

Skills

DNS & DHCP management

Routing architecture

A records & DNS impact

Origin servers & WAF integration

WAF implementation basics

Job description

ZealHire Inc. is seeking a WAF engineer to implement and manage a multi-vendor web application firewall in a remote EST setup.

You will coordinate migration, configure origin servers, and ensure correct traffic routing before and after WAF changes, collaborating with network and security teams to deliver a secure, scalable deployment. Candidates with strong DNS/DHCP knowledge and practical experience in WAF integrations will stand out.