Network Engineer (DDI, Load Balancer & GTM)

Veriipro; Lebanon (NJ); On-site; USD 100,000 - 130,000; Full time

Job summary

Veriipro is seeking an experienced Network Engineer specializing in DDI (DNS, DHCP, IPAM), Load Balancing, and Global Traffic Management (GTM). You will design, implement, and support enterprise network infrastructure ensuring availability and performance across distributed environments.

The ideal candidate will have over 7 years of network engineering experience, particularly with Infoblox DDI platforms and load balancing technologies. Responsibilities include managing DDI solutions, configuring load balancers, and optimizing global traffic routing.

Qualifications

• 7+ years of experience in network engineering with a focus on DDI and load balancing technologies.
• Strong experience with Infoblox DDI platforms.
• Expertise with load balancing technologies, particularly F5 (LTM & GTM/DNS).

Responsibilities

• Design, deploy, and manage enterprise DDI solutions.
• Configure and administer load balancers for application delivery.
• Design and implement GTM solutions to support global application availability.

Skills

Network engineering

DDI technologies

Load balancing

GTM optimization

Infoblox DDI platforms

SSL/TLS management

TCP/IP knowledge

Job description

Overview

We are seeking an experienced Network Engineer specializing in DDI (DNS, DHCP, IPAM), Load Balancing, and Global Traffic Management (GTM) to design, implement, and support enterprise‑scale network infrastructure. This role is critical in ensuring the availability, scalability, and performance of mission‑critical applications across distributed environments.

Key Responsibilities

DDI (DNS, DHCP, IPAM)

• Design, deploy, and manage enterprise DDI solutions, with a focus on reliability and scalability.
• Maintain highly available and resilient DNS infrastructure.
• Diagnose and resolve DNS‑related issues, optimizing resolution performance.
• Oversee IP address allocation and maintain accurate IPAM documentation.
• Perform system upgrades, patching, and lifecycle management of DDI platforms.

Load Balancing (Application Delivery)

• Configure and administer load balancers to support application delivery.
• Implement traffic distribution and optimization strategies.
• Manage SSL/TLS certificates, including installation, renewal, and troubleshooting.
• Configure health checks, persistence, and SSL offloading.
• Troubleshoot application performance and connectivity issues.
• Handle upgrades, patching, and lifecycle management of load balancing devices.

Global Traffic Management (GTM)

• Design and implement GTM solutions to support global application availability.
• Optimize traffic routing across multiple data centers or regions.
• Ensure seamless failover and business continuity.
• Configure Wide IPs (WIP), DNS zones, and pool health monitoring.
• Troubleshoot GTM and DNS resolution issues.
• Perform upgrades, patching, and lifecycle management of GTM systems.

Required Skills & Experience

• 7+ years of experience in network engineering with a focus on DDI and load balancing technologies.
• Strong hands‑on experience with Infoblox DDI platforms.
• Expertise with load balancing technologies, particularly F5 (LTM & GTM/DNS).
• Solid understanding of DNS, TCP/IP, HTTP/HTTPS, and core networking concepts.
• Experience managing SSL/TLS, certificates, and related security protocols.
• Familiarity with high availability (HA) and disaster recovery (DR) architectures.

Preferred Qualifications

• Relevant certifications (e.g., F5 Certified, Infoblox Certified).
• Experience with cloud platforms such as AWS and/or Azure, including DNS and load balancing services.
• Knowledge of automation and scripting (Python, PowerShell, Ansible).
• Exposure to DevOps practices and CI/CD pipelines.