Butterfly Staffing is seeking a Senior Network Engineer to support and maintain enterprise-level network infrastructure across multiple environments.
This role is responsible for the design, implementation, troubleshooting, and optimization of secure network systems, ensuring reliability, performance, and security across LAN/WAN and wireless environments.
This is a hands-on position requiring strong technical depth, problem-solving ability, and experience working in dynamic, operational environments.
Responsibilities
Design, implement, and maintain LAN/WAN and wireless network infrastructure
Configure and support routers, switches, firewalls, VPNs, and security appliances
Monitor network performance and respond to alerts, outages, and service disruptions
Troubleshoot network issues and support root cause analysis and resolution
Evaluate and deploy new network services and technologies
Maintain accurate network diagrams, configurations, and documentation
Assist with system upgrades, migrations, and infrastructure improvements
Support network automation, policy management, and analytics tools
Participate in on-call rotation and provide after-hours support as needed
Collaborate with internal IT teams and support ongoing projects
Qualifications
Bachelor’s degree or 10+ years of relevant experience
Minimum of 5 years supporting Microsoft-based environments
Strong understanding of:
LAN/WAN | DNS | Routing | Switching
Network security principles and infrastructure
Hands-on experience with:
Cisco networking (routers, switches, wireless)
Firewalls and security appliances
Preferred Experience
Cisco Catalyst Center (DNA Center)
Cisco Identity Services Engine (ISE)
Network automation and software-defined networking (SDN)