Senior  NIOS Engineer

Location: Hybrid, CA- USA
Employment Type: Fulltime
Experience: 10+ Years

Job Summary

We are seeking an experienced Infoblox NIOS Engineer to manage, administer, and support enterprise DNS, DHCP, and IP Address Management (IPAM) services. The ideal candidate will have strong hands-on experience with Infoblox NIOS, enterprise network infrastructure, and troubleshooting complex connectivity issues.

The candidate will be responsible for infrastructure administration, incident resolution, configuration management, platform monitoring, and coordination with network, security, and application teams to ensure high availability, reliable network connectivity, and operational stability.

Key Responsibilities

• Administer and maintain Infoblox NIOS infrastructure, including DNS, DHCP, and IPAM (DDI) services.

• Manage Infoblox Grid architecture, including Grid Master, Grid Members, and High Availability (HA) configurations.

• Configure and maintain DNS records, DHCP scopes, IP address allocations, and related network services.

• Troubleshoot DNS resolution, firewall, routing, and network connectivity issues across enterprise environments.

• Monitor infrastructure performance, investigate incidents, and implement corrective actions to minimize service disruptions.

• Perform configuration changes, system maintenance, upgrades, and routine infrastructure administration.

• Collaborate with network engineering, security, and application teams to identify and resolve technical issues.

• Support high availability, infrastructure reliability, and business-critical network services.

• Maintain technical documentation, configuration records, incident reports, and troubleshooting procedures.

• Follow established change management, incident management, and operational support processes.

Required Qualifications

• Bachelor's degree in Computer Science, Information Technology, Network Engineering, or a related field.

• 10+ years of relevant IT infrastructure or network engineering experience.

• Strong hands-on experience with Infoblox NIOS and DDI services (DNS, DHCP, and IPAM).

• Experience managing Infoblox Grid architecture, including Grid Master, Grid Members, and HA.

• Strong knowledge of DNS administration, DNS record management, and troubleshooting.

• Experience diagnosing network connectivity, firewall, routing, and name resolution issues.

• Understanding of enterprise network infrastructure and infrastructure monitoring.

• Excellent analytical, problem-solving, communication, documentation, and cross-functional collaboration skills.

Preferred Qualifications

• Knowledge of cloud networking and enterprise network infrastructure.

• Experience supporting business-critical enterprise applications and network integrations.

• Familiarity with infrastructure monitoring, incident management, and change management processes.

Pre-Screening Questions

1. Do you have hands-on experience with Infoblox NIOS architecture, including Grid Master, Grid Members, and High Availability (HA)?

2. How many years of experience do you have administering Infoblox NIOS and DDI services, including DNS, DHCP, and IPAM?

3. Do you have experience troubleshooting DNS, firewall, routing, and network connectivity issues?

4. Do you have hands-on experience with DNS troubleshooting, DNS record creation, updates, and management?