Senior IT Security Engineer – Infoblox

Job Duties

• Administer and support Infoblox DDI (DNS, DHCP, and IPAM) services in a large-scale hybrid enterprise environment.
• Manage Infoblox Grid infrastructure, ensuring service availability, scalability, and high availability.
• Design, implement, and support enterprise DNS architectures and related DDI services.
• Integrate and maintain Infoblox with Azure, AWS, and other enterprise infrastructure platforms.
• Execute DDI modernization initiatives, including Windows DNS migration to infoblox, infrastructure lifecycle management, architecture enhancements, multi-tenant DNS solutions, and service transformation projects.
• Deploy and configure Infoblox appliances to support datacenter migration initiative.
• Perform application/system upgrades, hardware refreshes, patching, backups, disaster recovery activities, and capacity planning.
• Support cloud transformation initiatives, including migration of DDI management services and related infrastructure components.
• Develop monitoring, alerting, and reporting solutions for DDI services.
• Evaluate and implement best practices for DNS, DHCP, and IPAM security, performance optimization, and service governance.
• Develop automation and orchestration solutions using PowerShell, Python, REST APIs, and infrastructure management tools.
• Execute Infoblox health check recommendations and drive continuous service improvement.
• Maintain technical documentation and collaborate with Network, Infrastructure, Cloud, and Security teams.

Skills

• 5+ years of hands-on Infoblox administration and engineering experience in large enterprise environments.
• Strong expertise in Infoblox NIOS, Grid architecture, and DDI services.
• Experience designing and supporting enterprise DNS architectures.
• Strong knowledge of DNS, DHCP, IPAM, TCP/IP, subnetting, DNS security (DNSSEC, RPZ), and enterprise network services.
• Experience with DDI modernization, platform migrations, infrastructure upgrades, cloud integrations, and technology refresh initiatives.
• Knowledge of DDI monitoring, alerting, performance management, SNMP-based monitoring, and operational health reporting.
• Proficiency in PowerShell, Python, REST APIs, and relevant automation frameworks.
• Experience with Splunk, Datadog, or other enterprise monitoring platforms.
• Strong analytical, troubleshooting, architecture, and communication skills with the ability to lead complex infrastructure initiatives.

Education

• Bachelor's degree in Computer Science, MIS, Information Technology, or related field preferred.
• Preferred Certifications: Infoblox CDCA/CDCE, Cisco CCNA/CCNP Enterprise, etc.

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