Remote F5/AVI Load Balancer Design Engineer (Migration)

ZealHire Inc.; Northern (KY); Hybrid; USD 120,000 - 150,000; Full time

Job summary

ZealHire Inc. is seeking an experienced Load Balancer Design Engineer to support enterprise Application Delivery Infrastructure across global environments. The role focuses on architecture, design, lifecycle management, and optimization of platforms including F5 and VMware AVI.

This six-month program will drive migration from legacy AVI to F5, with emphasis on secure, scalable, and highly available solutions. Collaboration with global teams and leadership reporting are key aspects of the role.

Qualifications

• 5-8+ years in network engineering with a focus on load balancing and application delivery.
• Hands-on expertise in F5 LTM and GTM environments.
• Experience with F5 APM and ASM modules.
• Exposure to VMware AVI (NSX Advanced Load Balancer).
• Strong knowledge of TCP/IP, HTTPS, DNS, BGP, and SSL/TLS.
• Ability to design secure, scalable, highly available infrastructures.

Responsibilities

• Manage end-to-end lifecycle of application delivery infrastructure from design to decommissioning.
• Design solutions based on industry best practices and security principles.
• Develop HLDs, LLDs, runbooks, and implementation plans.
• Architect application delivery including SSL offloading, DNS, persistence, and traffic optimization.
• Embed security controls and compliance into all designs.
• Perform QA validation and testing for production deployments.
• Collaborate with global teams for service transition and delivery.
• Drive service fulfillment processes and improve operational efficiency.
• Reduce change incidents through standardized deployment and governance.
• Lead lifecycle programs: patching, upgrades, vulnerability remediation, EOL replacements.
• Provide metrics and insights to leadership; troubleshoot load balancing, DNS, and SSL issues.

Skills

Load balancing design

Network engineering

SSL offloading

TLS/PKI

DNS

Security controls

APIs automation

Tools

F5 LTM

F5 GTM

F5 APM

F5 ASM

AVI (NSX ALB)

Job description

ZealHire Inc. is seeking an experienced Load Balancer Design Engineer to support enterprise Application Delivery Infrastructure across global environments. The role focuses on architecture, design, lifecycle management, and optimization of platforms including F5 and VMware AVI.

This six-month program will drive migration from legacy AVI to F5, with emphasis on secure, scalable, and highly available solutions. Collaboration with global teams and leadership reporting are key aspects of the role.