Specialist, Provisioning

Cogeco•Quincy, MA

16h•Hybrid

About The Position

The Senior Network Engineer is responsible for designing, operating, and securing complex wired, wireless, and Internet-facing network infrastructure spanning multiple data centers and locations. The role requires expertise in enterprise routing, firewalls, VPNs, DNS, load balancing, security appliances, and large-scale wireless networks. The position supports enterprise network architectures and production infrastructure, with a focus on high availability, performance, security, troubleshooting, upgrades, and migrations. The engineer collaborates with security, systems, cloud, and application teams and participates in an on-call rotation for after-hours support and incident response.

Requirements

Bachelor's degree in Computer Science, Information Technology, or a related field.
At least 5 years of experience in network administration or network engineering in enterprise or service-provider environments.
Hands-on experience administering and supporting FortiGate and Juniper firewalls, Cisco Layer 2 and Layer 3 switching, Cisco and/or Ruckus wireless networks, and F5 load balancers.
Experience operating enterprise-scale routing, switching, and security infrastructure in complex production environments.
Proven experience designing, implementing, and supporting IPsec and SSL VPN solutions for site-to-site and remote access connectivity.
Experience designing scalable, secure, and highly available wired and wireless network infrastructure.
Demonstrated ability to troubleshoot complex, multi-vendor network issues in mission-critical environments.
Ability to operate effectively in a fast-moving environment with competing priorities and production impact.
Willingness to participate in an on-call rotation for after-hours support and incident response.
Strong understanding and hands-on experience with OSPF/OSPFv3, BGP and MP-BGP, STP/RSTP/MST, PIM-SSM, IGMP v2/v3, HSRP, VRRP, and MPLS.
Working knowledge of DNS architectures, including Anycast-based DNS deployments and traffic-steering concepts.
Understanding of network and application security principles, including DDoS attack types and mitigation strategies, WAF placement, network segmentation, and Internet-edge security design.
Familiarity with large-scale wireless design, including RF planning, roaming behavior, and high-density environments.
Understanding of DDoS mitigation technologies and appliances, including inline and out-of-band protection.
Familiarity with ITSM and work management tools such as Jira and ServiceNow.
Experience creating and maintaining network diagrams and documentation using tools such as Microsoft Visio or Lucidchart.

Nice To Haves

F5 DNS/GTM experience.
Knowledge of cloud networking, preferably Google Cloud Platform, with exposure to AWS or Azure.

Responsibilities

Design, implement, and maintain enterprise LAN, WAN, wireless, data center, and Internet-edge network architectures.
Administer, configure, and troubleshoot FortiGate and Juniper SRX firewalls, including policies, NAT, routing, and VPNs.
Configure, maintain, and support Cisco Layer 2 and Layer 3 switching, including VLANs, spanning tree, EtherChannel, and inter-VLAN routing.
Deploy, operate, and optimize Cisco and Ruckus wireless networks, including controller-based and cloud-managed WLANs, SSID design, RF tuning, roaming optimization, and wireless security.
Deploy, operate, and support F5 load balancers.
Design, implement, and troubleshoot dynamic routing protocols, including BGP and OSPF.
Design, implement, and support IPsec and SSL VPN solutions for site-to-site and remote access connectivity.
Operate and troubleshoot DNS services in an Anycast environment.
Perform advanced network and wireless troubleshooting across complex, multi-vendor environments.
Participate in network design reviews, infrastructure upgrades, and large-scale migrations.
Ensure high availability, performance, and security of network services.
Maintain accurate network documentation, diagrams, and operational standards.
Collaborate with security, systems, cloud, and application teams to support business and technical objectives.
Participate in an on-call rotation for after-hours support and incident response.