Network Architect

Looking for Network Architect/Sr Network EngineerLocal to ChicagoHybrid role , 3 days/week in downtown Chicago officeHas potential contract to hire optionRole:This is a technical and hands on role, with a primary focus on design, implementation and support of network engineering changes; you will be expected as well to provide support to the network management and performance operations team with complex troubleshooting of issues as required.You will have experience of working in high impact, mission critical environments where service matters and exceeding expectations is the norm.Qualifications (must haves):15+ years 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).5+ years of Network Architecture experience in a Global enterprise with responsibilities of designing complex networks with Global footprint and high-speed/low latency matrics.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 AristaSolid 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 processYou will be 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.experience in financial domainTechnical Skills & ExperienceYou will have expert knowledge and experience in several of the following areas:Cisco Routing & Switching. Juniper, Arista, Aruba, Catalyst SDWAN.BGP, OSPF, EIGRP, Layer2/Layer 3, STP, SNMP.Solarwinds Orion NCM/NPM, Netscout, Gigamon and Wireshark.Cloud automation Networking Azure/AWSAnsible and/or Puppet automation tools. Python scripting.Workflow automationLayer 2 and Layer 3 and Layer 4-7 protocolsWAN OptimizationDNS, IPAM and DHCPNice to Have:It would be desirable and advantageous to also have certification demonstrable working experience:Cisco CCNP NetworksTechnical CertificationYou will have the following certification or demonstrable working experience:Cisco CCNP. CCIE preferredJNCIP-DC JunosCWNAITILv3 foundation or higherIt is desirable and advantageous to also have knowledge and experience of the following technology platforms:Cisco ACICCIEWireshark and high skilled troubleshooting tools.Tasks & Responsibilities:The Senior Network Engineer Level 4'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.Responsible for defining and documenting Network Engineering StandardsResponsible for the creation of Low Level Design documents to meet requirements outlined in the High Level DesignResponsible for the creation of detailed Implementation Plans for all engineering related activityResponsible for Procurement activities relating to build and delivery of new services (Project)Responsible for ensuring the smooth Transition/Handover to Operations in line with agreed Operational Acceptance ProcessResponsible for managing Technical Lifecycle Management for all Network & Communications servicesResponsible for supporting Architecture in creation and upkeep of a Delivery Roadmap for Network EngineeringResponsible for supporting the Architecture in scoping activities required to produce the High Level DesignResponsible for supporting Architecture in undertaking Proof of Concept activitiesResponsible for ensuring skillsets are relevant and up to date in order to deliver change and provide a high level of supportResponsible for providing escalation support to Operations with complex troubleshooting of Major Incidents as requiredProvide on call escalation support (rota basis) and work extended hours as and when required