Sr Network Engineer
Core
Design, deploy, manage, and operate a large enterprise network infrastructure including switches, routers, firewalls, and cloud services to ensure 99.9% uptime.
Role type
Senior Network Engineer (Infrastructure & Automation)
Builds
Enterprise network infrastructure, automation workflows, and secure connectivity solutions for Lennar's global operations.
Domain
Enterprise Networking, Cloud Services, Security
Deliverable
production ML models | product features | dashboards & analysis | infrastructure
Required skills
WAN architectures (MPLS, SD-WAN, SASE), Cisco Meraki/Catalyst/Nexus/F5/Palo Alto expertise, Python/Terraform/Ansible automation, IP fundamentals (DNS, DHCP, IPv4/IPv6), Wireless LAN technologies, Disaster recovery planning, Network security audits, Technical documentation
Preferred skills
ITIL, Cisco CCNP, CI/CD principles, Large enterprise network experience
Technologies
GitHub, HashiCorp, Python, Terraform, Ansible, Palo Alto Prisma SD-WAN, F5 LTM/APM, Cisco ISR/ASR, MPLS, IPsec
Responsibilities
Provide Tier 3 engineering support during critical incidents; Maintain and optimize network performance and availability; Manage WAN circuits (MPLS, DIA, Broadband, VPN); Deploy and maintain load balancers and wireless infrastructure; Implement automation workflows to increase efficiency; Perform security audits and disaster recovery setups; Evaluate new network technologies and write technical documentation.
Seniority
Senior, hands-on IC