Senior Network Engineer, Enterprise Infra (Hybrid)

Cogeco Inc.; Quincy (MA); On-site; USD 89,000 - 133,000; Full time

Benefits offered by this job

Flexibility

Discounted services

Competitive pay

Benefits

Career evolution

Technology focus

Job summary

Breezeline is seeking a Senior Network Engineer to design, operate, and secure complex wired, wireless, and Internet-facing networks across multiple data centers. The role emphasizes FortiGate/Juniper firewalls, Cisco switching and wireless, and F5 Load Balancers.

You will design scalable, highly available network infrastructures, support IPsec/SSL VPNs, and collaborate with security, systems, and cloud teams to meet business objectives.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, or related field.
• 5+ years of experience in enterprise network engineering or administration.
• Hands-on experience with FortiGate/Juniper/Cisco devices and F5 load balancers.

Responsibilities

• Design, implement, and maintain enterprise network architectures (LAN/WAN/Wireless/Data Center).
• Configure FortiGate/Juniper SRX firewalls, including policies, NAT, routing, VPNs.
• Configure and support Cisco L2/L3 switching, VLANs, STP, EtherChannel, inter-VLAN routing.
• Deploy and optimize Cisco/Ruckus wireless networks (controller-based or cloud-managed).
• Manage F5 Load Balancers (LTM) and DNS-related tasks.
• Design and troubleshoot routing protocols (BGP/OSPF).
• Implement IPsec/SSL VPN for site-to-site and remote access.
• Operate DNS services in Anycast environments.
• Troubleshoot complex multi-vendor network issues and support incident response.
• Participate in design reviews, upgrades, and large-scale migrations.
• Maintain high availability, performance, and security of network services.
• Maintain accurate network documentation and diagrams.

Skills

Routing protocols

Security design

Wireless networks

On-call support

Network troubleshooting

Documentation

Cloud networking

Education

Bachelor's degree in Computer Science/Information Technology

Tools

FortiGate firewalls

Juniper SRX firewalls

Cisco L2/L3 switching

Ruckus wireless

F5 Load Balancers

IPsec/SSL VPN

DNS Anycast

Job description

Breezeline is seeking a Senior Network Engineer to design, operate, and secure complex wired, wireless, and Internet-facing networks across multiple data centers. The role emphasizes FortiGate/Juniper firewalls, Cisco switching and wireless, and F5 Load Balancers.

You will design scalable, highly available network infrastructures, support IPsec/SSL VPNs, and collaborate with security, systems, and cloud teams to meet business objectives.