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Sr Network Engineer - Network Operations

Company: Careerbuilder-US
Location: Chicago
Posted on: March 19, 2023

Job Description:

The Senior Network Engineer will lead projects and design, engineer, implement and support network solutions.
Job Responsibilities

  • Designing, configuring, setting up, and maintaining complex switching environments to meet business requirements or enhance performance.
  • Configuring, setting up, and maintaining Cisco SDWAN technologies, firewalls, routers and switches for access to critical business applications.
  • Designing, configuring, and setting up complex wireless network to support open or secured access.
  • Lead assigned projects.
  • Design, implement, and support disaster recovery policies and procedures, and business continuity plans and infrastructure solutions.
  • Monitor, troubleshoot and resolve network and switching performance and integrity issues.
  • Resolve network system and application performance issues with the use of packet capture and protocol analysis.
  • Participate in 24x7 on-call rotation.
  • Maintain and upgrade Wireless (Wi-Fi) Access Points.


    • Systems Experience will be a plus, including Microsoft based technologies, public/private cloud and virtualization technologies. ( VMWare ESX Hypervisor , Windows 2016 Server Platforms etc.).
    • Strong understanding of deployment, management, and troubleshooting of common networking technologies, including IP routing, DHCP , DNS, Firewalls, WiFi , Switches and VPNs .
    • Understanding of design, deployment and management of Windows Server and Active Directory.
    • Experience in administrating authentication controls (Radius, RSA/ SecureID ) in the SHS system.
    • Experience with implementing and maintaining encryption techniques and standards (3DES, PKI , MD5, SSH, SSL), in a client and site-to-site configuration.
    • Must have operational level knowledge and experience in the deployment and maintenance of service provider network routing architectures using protocols such as OSPF , BGP , EIGRP , and RIP.
    • Expert knowledge in implementing and supporting switched networks, including ( VTP , STP , trunking, VLANs , port security and monitoring) in a multi-vendor environment.
    • Understanding of logical network design including: DMZs , WANs , and client connectivity solutions.
    • Familiarity with network, server, storage area networks and virtualization (MDS switching, VMWare , vSphere networking).
    • Have good understanding of HP, EMC, NetApp , etc.
    • Ability to write scripts/code using Python, Perl, PowerShell , or an equivalent language.
    • Familiarity with Emergency Communication Equipment, Radios, Antennae, Repeaters (Motorola or similar).

      Essential Functions and duties

      • Updates and dcouments external client issues
      • Performs analysis and determines client problems
      • Provides solutions for network and system realated issues
      • Assists customers for the purpose of improving processes related to system issues
      • Offers recommendations, based on various metrics, on how to improve the support process in its entirety

Keywords: Careerbuilder-US, Chicago , Sr Network Engineer - Network Operations, IT / Software / Systems , Chicago, Illinois

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