Senior Network Architect — F5 & Infoblox Expert

Leidos Inc; Fort Belvoir (VA); On-site; USD 116,350 - 210,325; Full time

Benefits offered by this job

Health and Wellness programs

Job summary

Leidos is seeking a Network Architect SME to lead design, deployment, and optimization of enterprise application delivery and DDI infrastructure at Fort Belvoir, VA or Albuquerque, NM.

The role requires hands-on expertise with F5 BIG-IP (LTM/GTM) and Infoblox, ensuring highly available, secure, and scalable networks across DoD mission environments. Active TS/SCI clearance is required to support critical operations.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, or related technical discipline with 12–15 years of experience or Master's with 10–13 years.
• Active TS/SCI clearance required at time of hire.
• Active IAT Level II certification (e.g., Security+ CE, CySA+, GSEC, or SSCP).
• US citizenship required; 8+ years in network engineering/architecture focused on ADN.
• Deep F5 BIG-IP expertise (LTM/GTM) and Infoblox DDI mastery.

Responsibilities

• Lead design, deployment, and optimization of enterprise application delivery and DDI infrastructure.
• Architect and deploy F5 BIG-IP LTM/GTM and Infoblox-based solutions for high availability and security.
• Coordinate with developers, cybersecurity, and systems engineers to ensure resilient networks.
• Perform advanced troubleshooting, traffic analysis, and performance tuning for complex workflows.
• Create and maintain architectural documentation, SOPs, and compliance traces.

Skills

Network Architecture

F5 BIG-IP (LTM/GTM)

Infoblox DDI

DNS/DHCP/IPAM

DoD NOC/SOC experience

OSPF/BGP/TCP/IP

GSLB / multi-cloud concepts

Communication to leadership

Automation (Ansible/Python)

Education

Bachelor's degree in Computer Science/Information Technology or related field

Master's degree (preferred)

Doctorate in technical domain (considered)

Tools

Infoblox DDI tools

F5 BIG-IP management tools

Job description

Leidos is seeking a Network Architect SME to lead design, deployment, and optimization of enterprise application delivery and DDI infrastructure at Fort Belvoir, VA or Albuquerque, NM.

The role requires hands-on expertise with F5 BIG-IP (LTM/GTM) and Infoblox, ensuring highly available, secure, and scalable networks across DoD mission environments. Active TS/SCI clearance is required to support critical operations.