Senior DNS/IPAM Engineer - Infoblox & IPv6 Expert

CACI; Sterling (IL); On-site; USD 121,000 - 266,000; Full time

Job summary

CACI is seeking an experienced Enterprise Network DNS IPAM Engineer to design, implement, and maintain our DNS/IPAM systems, including ASN management. The role emphasizes Infoblox expertise and integration with broader network services.

The ideal candidate will have 10+ years of experience, TS/SCI with Poly, strong IPv4/IPv6, DNS, and IPAM knowledge, and a track record of delivering secure, scalable network solutions across enterprise environments.

Qualifications

• Bachelor’s degree in a technical field or equivalent work experience.
• 10+ years of related work experience.
• TS/SCI with Poly.
• Strong understanding of IPv4/IPv6, DNS, IPAM, and ASNs.
• Knowledge of TCP/IP, DNS, ASN management, Anycast DNS, subnetting, BGP and routing protocols.
• Familiarity with IANA, RIRs and policies.
• Experience with IP Address Management (IPAM) tools, preferably Infoblox NIOS, DDI.
• Knowledge of BGP and routing protocols.

Responsibilities

• Plan, implement, and manage Infoblox DNS, DHCP, and IPAM solutions for the company.
• Configure and manage DNS and IPAM systems to support enterprise network infrastructure.
• Manage and configure IP address allocation and ASNs for efficient routing and network policy management within Infoblox and other tools.
• Integrate Infoblox with other systems and tools to automate network service management.
• Provide ongoing support and maintenance for DNS/IPAM platforms, ensuring ASN integration and routing are optimized.
• Perform IP address audits and reclamation of unused address space
• Design and implement IPv4 to IPv6 transition strategies
• Collaborate with network engineers on subnet design and VLAN planning
• Maintain accurate documentation of IP address and ASN allocations
• Provide technical support for IP-related issues to internal teams
• Work with network engineers, security teams, and other IT departments to integrate Infoblox solutions
• Stay current with industry best practices and emerging technologies in IP management

Skills

DNS/IPAM

IPv4/IPv6 addressing

ASNs management

TCP/IP fundamentals

BGP routing

Anycast DNS

IP address auditing

Strong communication

Education

Bachelor’s degree in a technical field

Tools

Infoblox NIOS

Infoblox DDI

Infoblox IPAM

Job description

CACI is seeking an experienced Enterprise Network DNS IPAM Engineer to design, implement, and maintain our DNS/IPAM systems, including ASN management. The role emphasizes Infoblox expertise and integration with broader network services.

The ideal candidate will have 10+ years of experience, TS/SCI with Poly, strong IPv4/IPv6, DNS, and IPAM knowledge, and a track record of delivering secure, scalable network solutions across enterprise environments.