Full job description

Description

Leidos is sourcing for an expert-level Infoblox Subject Matter Expert to support the US Africa Command (AFRICOM) mission. This role serves as the primary technical authority for the Command's DDI (DNS, DHCP, and IPAM) infrastructure. The focus is on ensuring 100% availability of core network services across a geographically dispersed, highly classified enterprise environment. The candidate will manage the Infoblox Grid, automate IPAM workflows, and secure DNS traffic against advanced threats.

Key Duties & Responsibilities

Infoblox Grid Management: Design, deploy, and maintain a highly available Infoblox NIOS Grid architecture, including Grid Masters and distributed members.
Advanced DNS Engineering: Manage authoritative and recursive DNS services, including DNSSEC, complex traffic steering, and high-performance caching for mission-critical enclaves.
DHCP Infrastructure: Architect and manage robust DHCP services with failover associations to support diverse endpoint types across global theater sites.
Enterprise IPAM: Maintain the global IP Address Management (IPAM) database, ensuring accurate tracking, subnet allocation, and integration with cloud/virtualized environments.
DDI Security: Implement DNS security features, including Response Policy Zones (RPZ), DNS Firewall, and Infoblox TIDE to mitigate DNS-based malware and data exfiltration.
Automation & APIs: Utilize the Infoblox WAPI (REST API) to automate IP allocation, DNS record updates, and integration with orchestration tools like Ansible or Terraform.
Upgrade Operations: Plan and execute non-disruptive NIOS software upgrades and hardware refreshes across the global Grid.
Monitoring & Analytics: Leverage Infoblox Reporting and Analytics to identify network trends, troubleshoot resolution issues, and perform capacity planning.

Required Qualifications (TESA Standards)

To satisfy the Technical Expert criteria, candidates must meet one of the following education/experience paths:

Bachelor's Degree in a technical discipline plus 3+ years of relevant technical experience.
Associate's Degree in a technical discipline plus 7+ years of relevant technical experience.
A minimum of 11+ years of specialized, relevant technical experience in lieu of a degree.

Additional Core Requirements:

Clearance: Must possess an active Top Secret security clearance.
Compliance: Must meet DoD 8570/8140 IAT Level II baseline certification (eg, Security+ CE).
Specialized Expertise: Minimum of 5 years of hands-on experience dedicated to Infoblox NIOS administration and DDI protocols.
Protocol Mastery: Deep understanding of BIND, DHCP options, DNS record types, and IP subnetting/VLSM.

Preferred Qualifications

Infoblox Core Engineer (CICE) or Infoblox Core Admin (CICA) certifications.
Experience with Infoblox BloxOne Threat Defense or Cloud Network Automation.
Scripting experience (Python or Perl) for mass data manipulation within the Infoblox environment.
Experience integrating Infoblox with VMware vCenter or Microsoft Azure.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

June 4, 2026

For US Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $73,450.00 - $132,775.00The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, health and wellness programs, income protection, paid leave and retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (ie, ask you for money), nor will Leidos ever advance money as part of the hiring process (ie, send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (eg, Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (eg, about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the US Federal Trade Commission.

Commitment to non-discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

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