Senior Network Engineer

Senior Network Engineer
Chicago, IL - hybrid WFH: 3 days onsite in the loop, 2 days work from home

Summary
The Senior Cisco Network Engineer works independently and as part of a team that is responsible for the installation, configuration and support of the Cisco network infrastructure. There is an emphasis on Wireless and F5 load balancing infrastructure, with responsibilities spanning Cisco switch, router, SD-WAN and Internet/MPLS circuits, amongst other areas of networking. The organization is moving to Azure, so any experience with cloud-based networking (routing, and eventually automation as well).


What you'll be doing

• Work independently but also work with other personnel to design, implement and support advanced networking.
• Provide technical network integration support encompassing physical planning, configuration, installation and ongoing support of network hardware and software encompassing routers, switches, wireless, load balancers and related components.
• Work on advanced projects to implement new services and features.
• Keep current with network technologies and bring new, documented proposals to management clearly identifying how these proposals can improve the business.
• Lead tasks and projects providing technical direction, coordination, and guidance to other staff.
• Responsible for the monitoring, operations and performance of the network infrastructure.
• Manage and upgrade Internet, MPLS, P2P circuits and Cloud connectivity.
• Lead office moves/build outs and hardware refreshes.
• Collaborate with IT Security for firewall management needs.
• Ensure capacity planning is performed, and is proactive in assessing and making recommendations for improvements.
• Review design proposals for technical content - Identify, analyze and evaluate alternative design solutions.
• Solve problems and address issues that were escalated. Utilize packet analysis and network monitoring tools to isolate and resolve issues.
• Define, maintain and ensure adherence to all IT processes and controls to ensure high availability.
• Ensure all systems are documented and administered properly with great attention to detail.
• In concert with the Network Architect, plan and design new networks, establish technical standards, and ensure appropriate interface capabilities with other networks.
• Flexibility in work schedule to accommodate after hours Installation/Service and rotational on-call.
• Participate in business continuity planning and testing of the network infrastructure.
• Participate in cross functional projects including non-network related infrastructure.

Skills we're seeking - core requirements

• 8+ years of Network Engineering experience in Cisco environments
• Must have advanced experience in designing, implementing and troubleshooting complex network topologies
• Must have strong experience with Wireless
• Must have experience with F5
• Must have experience with Network Monitoring (DNA, Thousand Eyes and/or SolarWinds preferably)

Nice to haves (network engineering is a broad field, but the more experience you have with the following the better):

• Advanced knowledge and strong operating and design experience in the following areas:
  • TCP/IP, EIGRP, OSPF, BGP, SNMP, MPLS, Multicast, QoS, WCCP, IPSEC
  • L2/L3, VPN, LAN, MAN, WAN, Optical Networking, Wireless
  • Load Balancing, Network Virtualization, WAN Acceleration
• Cisco IOS, Nexus, IOS XE and Meraki SD-WAN
• VPN infrastructure
• Experience with Cloud Services (SaaS, IaaS, PaaS) - Azure and/or AWS

• Experience with Network Automation (Ansible, Python)
• Experience with Cisco Client and Infoblox DHCP
• Experience with Keysight Vision Packet Broker and packet analysis (Allegro/Wireshark)
• Experience with next gen network and security solutions including SWG, CAB, ZTNA, DLP, SASE (Cisco, Palo Alto, Netskope)
• Relevant Cisco Networking certifications (CCNA, CCNP)
• Bachelor's or Master's Degree in a related field