{"id":2690718,"url":"https://alion.io/job/jcs-solutions-senior-infoblox-ddi-engineer-jcs-solutions-llc","title":"Senior Infoblox DDI Engineer - JCS Solutions LLC","company":{"id":3854787,"name":"JCS Solutions","domain":"jcssolutions.com","url":"https://alion.io/company/jcs-solutions","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"JazzHR","truth_index":null},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Fort Meade, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":100000,"max":143000,"currency":"USD","period":"year","gross":null,"usd_annual":143000},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Active Directory","optional":false},{"name":"BGP","optional":false},{"name":"DHCP","optional":false},{"name":"DNS","optional":false},{"name":"OSPF","optional":false},{"name":"TCP/IP","optional":false},{"name":"VLAN","optional":false},{"name":"Ansible","optional":true},{"name":"Configuration Management","optional":true},{"name":"Confluence","optional":true},{"name":"Discord","optional":true},{"name":"Jira","optional":true},{"name":"PKI","optional":true},{"name":"Python","optional":true},{"name":"Slack","optional":true}],"status":"live","first_seen_at":"2026-10-16T08:53:08Z","employer_posted_date":"2026-10-16","last_verified_at":"2026-11-05T13:06:14Z","board_verified":true,"closed_at":null,"days_open":20,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":20},"description":"Grow, innovate, and generate progress: Harness your expertise to solve challenges and celebrate success!\nJob Summary\nJCS Solutions is seeking a Senior Infoblox DDI Engineer to engineer, implement, migrate, and sustain enterprise DNS, DHCP, and IP Address Management (DDI) services supporting a large-scale Department of Defense network environment. This position provides hands-on engineering leadership for Infoblox Grid infrastructure, DNS, DHCP, IPAM, migration activities, troubleshooting, testing, and operational sustainment.\nThe successful candidate will possess deep expertise in enterprise DDI services and strong routing and switching knowledge to support service reachability, high availability, DHCP relay, segmentation, and enterprise connectivity. The role requires the ability to troubleshoot and resolve issues spanning DDI platforms, routing infrastructure, identity services, security controls, and enterprise applications.\nThis position supports migration initiatives, operational sustainment, automation opportunities, and modernization efforts across geographically distributed classified environments.\nLocation: Ft. Meade, MD\nClearance: Secret\nSalary: $100,000.00 - $143,000.00\nCertification: Active DoD 8140/8570 IAT Level II certification\nWhat’s in it for you:\nJoin a premier technology firm specializing in innovative solutions. \nBe part of a collaborative, inclusive, and innovative work culture. \nEnjoy tremendous growth potential in a high-performing team environment. \nA robust benefits package: Health, dental, and vision insurance \nLife insurance \nShort-and-long term disability \nPaid time off (PTO) \n401k retirement plan with employer match \nAnnual Professional Development Reimbursement Program \nAnd more! \n\nWhat you will do:\nInfoblox and DDI Engineering\nEngineer, deploy, configure, and sustain Infoblox Grid infrastructure including Grid Masters, Grid Master Candidates, Grid Members, high-availability pairs, and distributed appliances.\nDesign and maintain enterprise DNS architecture including authoritative and recursive services, forward and reverse zones, delegation, conditional forwarding, DNSSEC, split-horizon views, and zone transfers.\nEngineer and maintain enterprise DHCP services including scope design, reservations, options, relay configuration, failover, redundancy, and lease management.\nDesign and maintain IPAM architecture including network containers, address allocation, utilization reporting, extensible attributes, and enterprise-wide data quality standards.\nPerform Infoblox upgrades, patching, capacity planning, backup and recovery, licensing, and lifecycle management.\nIntegrate Infoblox with Active Directory, network access control platforms, identity services, automation tools, and provisioning workflows.\nImplement approved DNS security capabilities including query filtering, DNS logging, RPZs, and threat-based protections.\nRouting and Switching EngineeringEngineer, configure, and support enterprise routing and switching infrastructure supporting DDI services.\nSupport routing policies, VLAN architecture, DHCP relay, anycast service delivery, high availability, and service reachability.\nTroubleshoot BGP, OSPF, EIGRP, route redistribution, filtering, and routing convergence issues impacting DDI services.\nPerform installation, testing, configuration, modification, and servicing of network infrastructure equipment.\nProvide senior-level troubleshooting for DNS resolution, DHCP assignment, and connectivity issues spanning multiple technology layers.\nImplementation and DocumentationDevelop implementation plans, rollback procedures, validation criteria, test procedures, and change documentation.\nExecute DNS and DHCP migration activities, consolidations, namespace cleanup, and cutover operations.\nApply configuration hardening, vulnerability remediation, and STIG compliance requirements.\nMaintain architecture diagrams, migration documentation, address plans, scope documentation, SOPs, troubleshooting guides, and as-built documentation.\nWhat you will bring:Bachelor's degree with 8+ years of relevant experience, or Master's degree with 6+ years of relevant experience.\nAdditional relevant experience, education, and training may be considered in lieu of a degree.\nActive DoD Secret security clearance.\nCurrent DoD 8140/8570 IAT Level II certification or higher.\nSignificant hands-on experience engineering, implementing, and troubleshooting enterprise infrastructure supporting DNS, DHCP, and IPAM services.\nStrong understanding of TCP/IP, VLANs, routing, DHCP relay, service reachability, and high-availability architectures.\nWorking knowledge of BGP and OSPF; EIGRP experience is desirable.\nStrong knowledge of DNS, DHCP, and IPAM principles and operations.\nExperience performing enterprise-scale DNS and DHCP migrations.\nExperience migrating Microsoft DNS/DHCP environments to Infoblox or equivalent DDI platforms.\nHands-on experience with Infoblox Grid architecture, including Grid Masters, Grid Members, HA pairs, and delegated administration.\nExperience troubleshooting DNS resolution and DHCP address-assignment issues using packet captures and protocol analysis tools.\nExperience with DNS architecture including DNSSEC, delegation, recursion, forwarding, conditional forwarding, and zone transfers.\nExperience configuring DHCP relay across routed and multi-VRF environments.\nExperience validating and remediating DNS, DHCP, and IPAM data during migration efforts.\nExperience developing migration runbooks, implementation plans, rollback procedures, and validation documentation.\nExperience supporting DDI services across geographically distributed enterprise environments.\nExperience managing DDI monitoring, alerting, operational health, capacity management, and reporting.\nExperience maintaining configuration baselines and technical documentation.\nExperience integrating DNS, DHCP, IPAM, Active Directory, routing infrastructure, identity services, applications, and security controls.\nExperience performing technical testing, validation, remediation, and operational acceptance activities.\nExperience supporting formal change-management processes and production maintenance windows.\nExperience troubleshooting across multi-vendor environments using packet capture and protocol-analysis tools.\nHands-on experience with Infoblox and one or more of the following:Cisco\nAruba\nPalo Alto\nDell\nBrocade\n\nExperience integrating Infoblox with enterprise services including Active Directory, PKI, NAC, monitoring, and automation platforms.\nExperience applying cybersecurity hardening, vulnerability remediation, configuration management, and DoD security requirements.\nStrong written and verbal communication skills.\nHow you will wow us:\n\nInfoblox Core DDI certification or equivalent Infoblox certification.\nCisco Certified Network Professional (CCNP) Enterprise or equivalent certification.\nExperience with large-scale DNS and DHCP migrations, consolidations, and transitions from Microsoft DNS/DHCP to Infoblox.\nExperience utilizing Infoblox APIs, WAPI automation, Python, Ansible, or similar automation technologies.\nExperience with anycast DNS delivery and distributed service architectures.\nExperience integrating DDI solutions with NAC, identity-based networking, and segmentation initiatives.\nExperience with IPv6 addressing, DNS, and DHCPv6 in enterprise environments.\nExperience integrating DDI solutions with cloud infrastructure and hybrid connectivity architectures.\nExperience applying DISA STIGs, vulnerability remediation, and configuration hardening standards.\nExperience utilizing Jira, Confluence, or similar project management and knowledge-sharing platforms.\nPreferred CertificationsInfoblox Core DDI Certification\nCisco CCNP Enterprise\nEquivalent advanced DDI or networking certifications\n\nJCS Solutions (JCS) is a premier technology firm providing innovative solutions and high-quality services in defense, national security, and civilian sectors. JCS offers enterprise-wide solutions including cloud computing, software development, cybersecurity, digital modernization, and management consulting for the federal government. At JCS, we elevate our customers’ mission through the application of technology and professional services. Our commitment to investing in our workforce drives innovation and progress for our clients, employees, and communities.JCS is both a Great Place to Work and a Top Places to Work certified company.\nOur employees embody our core values, and we are looking for others who do too!\nCustomer Experience: Strive for excellence and delight our clients \nInnovation: Embrace creative thinking to enable continual growth and powerful solutions \nAccountability: Take ownership of and pride in our actions and service delivery \nInspire: Be inspired to be your best self and have fun in the process \nIntegrity: Do the right thing, the right way, every time! \nStewardship: The careful and responsible management of something entrusted to our care. \nAt JCS Solutions, compensation is based on a number of factors such as location, qualifications, and applicable contract terms. The general salary range for this position is as follows: $100,000.00 - $143,000.00Commitment to Non-Discrimination\nAll qualified applicants will receive consideration for employment without regard to any protected status protected by applicable federal, state, or local laws.\nNOTICE: Please be aware that all JCS Solutions communications related to job interviews and offers from our recruiting team will only come from @JCSSolutions.com. 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