Senior Network Engineer

Sidley Austin LLP•Chicago, IL

1d•$140,000 - $155,000•Hybrid

About The Position

The Senior Network Engineer works independently and as part of a team that is responsible for the installation, configuration and support of the Cisco network infrastructure. The incumbent is responsible for supporting the Cisco switch, router, wireless, SD-WAN, F5 load balancing infrastructure and Internet/MPLS circuits. The Senior Network Engineer works on assignments that are typically more complex in nature and where considerable experience and judgment is required to define effective solutions and resolve issues. They must be very organized, motivated and able to interact with technical and non-technical customers. Strong interpersonal skills are needed to deliver exceptional customer service and interact with cross-functional teams. They must have the ability to configure and support third party systems as well as Cisco Network Infrastructure.

Requirements

A minimum of 8 years of experience working in an Enterprise environment consisting of Cisco LAN/WAN equipment
Bachelor’s degree in related field
Advanced experience in designing, implementing and troubleshooting complex network topologies
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
Advanced knowledge of Cisco IOS, Nexus, IOS XE and Meraki SD-WAN
Advanced knowledge of Cisco wireless infrastructure
Significant knowledge of Firewall and VPN infrastructure
Significant experience coordinating telecommunications circuit implementations and managing telecommunications circuit providers.
Experience with Cloud Services (SaaS, IaaS, PaaS) – Azure and AWS
Experience with Cisco DNA, Thousand Eyes and SolarWinds
Experience with a variety of network management tools and test equipment
Strong organizational skills
Strong attention to detail
Good judgment
Strong interpersonal communication skills
Strong analytical and problem-solving skills
Able to work harmoniously and effectively with others
Able to preserve confidentiality and exercise discretion
Able to work under pressure
Able to manage multiple projects with competing deadlines and priorities

Nice To Haves

Relevant certifications (CCNA, CCNP)
Experience with Network Automation (Ansible, Python)
Experience with F5 LTM/GTM
Experience with Cisco ISE 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)
Working knowledge of Linux and Windows Administration
Working knowledge of a variety of network management tools and test equipment

Responsibilities

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.