Job Summary: #CJ We are seeking a skilled DNS Administrator/Engineer with hands-on experience in lnfoblox DDI (DNS, DHCP, IPAM) solutions to support enterprise-level network infrastructure The ideal candidate will be responsible for the design, implementation, and maintenance of DNS services in a secure, high-availability environment. This role requires an active Secret clearance at a minimum, Top Secret preferred and experience working in classified or sens1t1ve environments. Key Responsibilities: * Administer and maintain DNS/DHCP/IPAM infrastructure using lnfoblox Grid Manager. * Configure and troubleshoot DNS zones, records, and DHCP scopes. * Monitor DNS performance and security, including DNSSEC and RPZ (Response Policy Zones) * Implement DNS redundancy, failover, and load balancing strategies. * Collaborate with network, cybersecurity, and systems teams to ensure secure and reliable name resolution services * Maintain documentation of DNS architecture, configurations, and change management * Support incident response and root cause analysis for DNS-related issues. * Ensure compliance with federal security-standards (e.g., NIST, DISASTIGs) * Participate in audits and vulnerability assessments related to DNS infrastructure Required Qualifications: * Active Secret or Top Secret clearance (SCI eligibility preferred). * 3+ years of experience in DNS administration, including lnfoblox DDI. * Strong understanding of DNS protocols (BIND, DNSSEC, Anycast, etc.). * Experience with IP address management (IPAM) and DHCP configuration. * Familiarity with network protocols (TCP/IP, 1Pv4/1Pv6, VLANs). * Experience in secure environments (DoD, IC, or federal agencies). * Proficiency with Linux/Unix and Windows Server environments. * Strong documentation and communication skills. Preferred Qualifications: * lnfoblox Certified Network Administrator (INCNA) or higher. * Experience with automation tools (e.g, Ansible, Python scripting) * Familiarity with cloud-based DNS services (e.g., AWS Route 53, Azure DNS) * Knowledge of cybersecurity frameworks and DNS threat mitigation.
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