Network Engineer

Role: Senior Network Engineer Location: Chicago, IL Onsite Full time Key responsibilities The Senior Network Engineer's primary areas of responsibility include ensuring there are defined standards in place, manage the technical lifecycle of products and services and deliver change/transformation against created designs; always ensuring a smooth transition/handover to Network Operations. Qualifications: • Good hands on experience as a network engineering lead within a global enterprise scale organization (5,000-50,000 users) with both traditional Datacenter and Cloud (Azure/AWS). • You will have considerable first-hand experience of design engineering and building resilient and scalable engineering solutions, ideally within finance or investment banking. • Strong background in Cisco, Juniper, Arista, Aruba, SDWAN, routing switching, datacentre infrastructure and technologies. • Solid knowledge of configuration automation tools such as Ansible, Yaml, Chef, Puppet, Terraform. • In depth knowledge of Layer 2, Layer 3, TCP/IP, and network protocols such as Ether-Channel (LACP,MC-LAG), Virtual Chassis, STP and SNMP. • Solid understanding of routing protocols such as BGP, OSPF, EIGRP, RIP, MBGP, VXLAN, TCP/IP and IPv6. • Solid understanding of Datacenter Spine/leaf architectures using Cisco ACI or Arista spine/leaf, or others. • Familiarity with SDWAN infrastructure such as Silverpeak. • Familiarity with Layer 3, 4 and 7 load balancing methodologies and protocols as well as experience with highly available network and system architectures. • Knowledge of 801.11a/g/n/ac Cisco WLC, WLAN, CAPWAP,LWAPP and other Wireless technologies. • Experience with Cisco IOS/NX-OS/ASA-OS, JunOS, ArubaOS and/or Arista • Solid knowledge in the use of various monitoring tools and packet capture tools such as Solarwinds Orion NCM/NPM, Wireshark, Gigamon, Netscout, Cisco DNA, etc. • Good in software development lifecycle, ITIL, Agile, Kanban process • Familiar with a variety of testing tools, networking technologies and techniques to accurately troubleshoot and resolve complex technical problems associated with the service, application and network hardware and software. • Cisco Routing & Switching. Juniper, Arista, Aruba, Silverpeak. • BGP, OSPF, EIGRP, Layer2/Layer 3, STP, SNMP. • Solarwinds Orion NCM/NPM, Netscout, Gigamon and Wireshark. • Cloud automation Azure/AWS • Ansible and/or Puppet automation tools. Python scripting. • Workflow automation • Layer 2 and Layer 3 and Layer 4-7 protocols • WAN Optimization • DNS, IPAM and DHCP

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