SME Network Administrator (Infoblox/F5)

Location: Alexandria, VA, United States; hybrid position

Salary: $120,000–$160,000 annually

Company

hirify.global delivers IT services and solutions that transform how government agencies operate and serve citizens.

What you will do

• Serve as the technical authority for enterprise Infoblox DDI services, including Grid Manager, DNS, DNSSEC, DHCP, IPAM, high availability, synchronization, and disaster recovery.
• Administer F5 BIG-IP LTM, GTM/BIG-IP DNS, and APM for load balancing, SSL/TLS offload, intelligent DNS, authentication, and secure access.
• Harden Infoblox and F5 platforms and enforce DoW, DISA, STIG, SRG, and RMF security requirements across classified and unclassified environments.
• Review ACAS and SCAP/STIG findings, remediate vulnerabilities, and support Coast Guard system accreditation.
• Monitor and troubleshoot DNS resolution, IP assignment, load balancing, authentication, and DDI service availability issues.
• Maintain technical documentation and RMF artifacts, collaborate with cybersecurity and engineering teams, and advise leadership through technical reviews and change control boards.

Requirements

• High school diploma with 10+ years of experience, or commensurate experience.
• DoD 8570 IAT Level II or higher certification, such as Security+ CE or CySA+.
• At least 5 years of enterprise core services and application-delivery operations experience, including troubleshooting and performance management.
• At least 3 years of hands-on experience engineering, deploying, and administering Infoblox Grids through Infoblox Grid Manager, including DNS, DNSSEC, DHCP, IPAM, Grid member management, high availability, and Grid communication.
• At least 3 years of hands-on experience administering F5 BIG-IP LTM, GTM/BIG-IP DNS, and APM in enterprise or classified environments.
• Practical knowledge of DoW STIGs, SRGs, DISA STIGs, and RMF processes for Infoblox DDI and F5 BIG-IP platforms, including strong DoD-environment hardening experience.
• Active Secret clearance required.

Nice to have

• Experience supporting U.S. Coast Guard or Department of Homeland Security programs and familiarity with Coast Guard IT environments.
• Certified Infoblox Core Administrator or Certified Infoblox Core Engineer certification.
• F5 Certified BIG-IP Administrator certification or equivalent coverage of LTM, GTM/DNS, and APM.
• Experience with Cisco ISE, DoD Zero Trust implementation, and Web Application Firewalls.
• Experience working with government leadership or senior military or Coast Guard officials.
• Strong interpersonal, problem-solving, and time-management skills.
• Familiarity with eMASS, ACAS, SCAP/STIG Viewer, and RMF artifact development for DDI and application-delivery systems.

Culture & Benefits

• Meaningful government IT work in a collaborative environment.
• Flexible work environment.
• Employee Assistance Program, corporate discounts, pet insurance, referral bonuses, and internal mobility opportunities.
• Learning and development platform plus training, education, and certification assistance for full-time employees.

Hiring process

• Virtual video interview with the hiring manager and/or team; the camera must be on and a valid photo ID must be presented during each interview.
• Enhanced biometric ID verification and background screening covering criminal history for the past 7 years, highest education, and employment history for the past 7 years based on the application.