Senior Infoblox DDI Engineer

• Join a premier technology firm specializing in innovative solutions.  
• Be part of a collaborative, inclusive, and innovative work culture.  
• Enjoy tremendous growth potential in a high-performing team environment.  
• A robust benefits package: 
  • Health, dental, and vision insurance  
  • Life insurance  
  • Short-and-long term disability  
  • Paid time off (PTO)  
  • 401k retirement plan with employer match 
  • Annual Professional Development Reimbursement Program  
  • And more! 

• Engineer, deploy, configure, and sustain Infoblox Grid infrastructure including Grid Masters, Grid Master Candidates, Grid Members, high-availability pairs, and distributed appliances.
• Design and maintain enterprise DNS architecture including authoritative and recursive services, forward and reverse zones, delegation, conditional forwarding, DNSSEC, split-horizon views, and zone transfers.
• Engineer and maintain enterprise DHCP services including scope design, reservations, options, relay configuration, failover, redundancy, and lease management.
• Design and maintain IPAM architecture including network containers, address allocation, utilization reporting, extensible attributes, and enterprise-wide data quality standards.
• Perform Infoblox upgrades, patching, capacity planning, backup and recovery, licensing, and lifecycle management.
• Integrate Infoblox with Active Directory, network access control platforms, identity services, automation tools, and provisioning workflows.
• Implement approved DNS security capabilities including query filtering, DNS logging, RPZs, and threat-based protections.

• Engineer, configure, and support enterprise routing and switching infrastructure supporting DDI services.
• Support routing policies, VLAN architecture, DHCP relay, anycast service delivery, high availability, and service reachability.
• Troubleshoot BGP, OSPF, EIGRP, route redistribution, filtering, and routing convergence issues impacting DDI services.
• Perform installation, testing, configuration, modification, and servicing of network infrastructure equipment.
• Provide senior-level troubleshooting for DNS resolution, DHCP assignment, and connectivity issues spanning multiple technology layers.

• Develop implementation plans, rollback procedures, validation criteria, test procedures, and change documentation.
• Execute DNS and DHCP migration activities, consolidations, namespace cleanup, and cutover operations.
• Apply configuration hardening, vulnerability remediation, and STIG compliance requirements.
• Maintain architecture diagrams, migration documentation, address plans, scope documentation, SOPs, troubleshooting guides, and as-built documentation.

• Bachelor's degree with 8+ years of relevant experience, or Master's degree with 6+ years of relevant experience.
• Additional relevant experience, education, and training may be considered in lieu of a degree.
• Active DoD Secret security clearance.
• Current DoD 8140/8570 IAT Level II certification or higher.
• Significant hands-on experience engineering, implementing, and troubleshooting enterprise infrastructure supporting DNS, DHCP, and IPAM services.
• Strong understanding of TCP/IP, VLANs, routing, DHCP relay, service reachability, and high-availability architectures.
• Working knowledge of BGP and OSPF; EIGRP experience is desirable.
• Strong knowledge of DNS, DHCP, and IPAM principles and operations.
• Experience performing enterprise-scale DNS and DHCP migrations.
• Experience migrating Microsoft DNS/DHCP environments to Infoblox or equivalent DDI platforms.
• Hands-on experience with Infoblox Grid architecture, including Grid Masters, Grid Members, HA pairs, and delegated administration.
• Experience troubleshooting DNS resolution and DHCP address-assignment issues using packet captures and protocol analysis tools.
• Experience with DNS architecture including DNSSEC, delegation, recursion, forwarding, conditional forwarding, and zone transfers.
• Experience configuring DHCP relay across routed and multi-VRF environments.
• Experience validating and remediating DNS, DHCP, and IPAM data during migration efforts.
• Experience developing migration runbooks, implementation plans, rollback procedures, and validation documentation.
• Experience supporting DDI services across geographically distributed enterprise environments.
• Experience managing DDI monitoring, alerting, operational health, capacity management, and reporting.
• Experience maintaining configuration baselines and technical documentation.
• Experience integrating DNS, DHCP, IPAM, Active Directory, routing infrastructure, identity services, applications, and security controls.
• Experience performing technical testing, validation, remediation, and operational acceptance activities.
• Experience supporting formal change-management processes and production maintenance windows.
• Experience troubleshooting across multi-vendor environments using packet capture and protocol-analysis tools.
• Hands-on experience with Infoblox and one or more of the following:
  • Cisco
  • Aruba
  • Palo Alto
  • Dell
  • Brocade
• Experience integrating Infoblox with enterprise services including Active Directory, PKI, NAC, monitoring, and automation platforms.
• Experience applying cybersecurity hardening, vulnerability remediation, configuration management, and DoD security requirements.
• Strong written and verbal communication skills.

• Infoblox Core DDI certification or equivalent Infoblox certification.
• Cisco Certified Network Professional (CCNP) Enterprise or equivalent certification.
• Experience with large-scale DNS and DHCP migrations, consolidations, and transitions from Microsoft DNS/DHCP to Infoblox.
• Experience utilizing Infoblox APIs, WAPI automation, Python, Ansible, or similar automation technologies.
• Experience with anycast DNS delivery and distributed service architectures.
• Experience integrating DDI solutions with NAC, identity-based networking, and segmentation initiatives.
• Experience with IPv6 addressing, DNS, and DHCPv6 in enterprise environments.
• Experience integrating DDI solutions with cloud infrastructure and hybrid connectivity architectures.
• Experience applying DISA STIGs, vulnerability remediation, and configuration hardening standards.
• Experience utilizing Jira, Confluence, or similar project management and knowledge-sharing platforms.
• Preferred Certifications
  • Infoblox Core DDI Certification
  • Cisco CCNP Enterprise
  • Equivalent advanced DDI or networking certifications

• Customer Experience: Strive for excellence and delight our clients 
• Innovation: Embrace creative thinking to enable continual growth and powerful solutions 
• Accountability: Take ownership of and pride in our actions and service delivery 
• Inspire: Be inspired to be your best self and have fun in the process 
• Integrity: Do the right thing, the right way, every time! 
• Stewardship: The careful and responsible management of something entrusted to our care. 

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