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Troubleshoots complex network issues on the corporate network.
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Maintains, supports and administers servers, local/wide area network (LAN/WAN), Wireless and VPN technologies.
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Identifies and resolves connectivity problems between systems and works with vendors in troubleshooting and supporting systems and services.
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Performs the installation, configuration, management, upgrade and modification of network switches, routers, firewalls, Network Load Balancers, Wireless, VPN and other related infrastructure technologies.
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Supports the installation, configuration, management, upgrade and modification of servers including Hypervisor Hosts, Windows and Linux operating systems.
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Works with Vendors to implement remote L2L IPsec tunnels and facilitate access to necessary vendor-based applications and services.
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Configures and maintains systems, installs, upgrades and maintains hardware and software.
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Minimum of 8 years of relevant experience managing local and wide area networks, communications systems, and related software and hardware in a multi-platform environment, including configuring, installing, and troubleshooting switches, routers, and firewalls.
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Proficient with Linux, Windows Server, YAML, Ansible, shell scripting, etc.
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Prior experience with NMS, RADIUS and TACACS.
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Proficient working with hypervisors-VMware ESXi, XenServer and Proxmox.
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Proven ability to troubleshoot complex networking issues.
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Experience with DNS, DHCP and IP addressing management and subnetting.
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Working knowledge of Virtual LANs and trunking protocol, ACLs, IPsec tunnels and their implementation.
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Experienced with configuring and troubleshooting routing/switching technologies including TCP/IP, HSRP, VRRP, BGP, OSPF, VXLAN, 802.1q, IPsec (ESP, AH, IKE), DNS, DHCP, TACACS, and RADIUS in an enterprise-class environment.
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Operational experience with configuring/troubleshooting switches, routers, firewalls, VPN, and wireless technologies including Cisco, Juniper, F5 BIG-IP (LTM, DNS/GTM, Access/AMP), Fortinet/FortiGate, pfSense/Netgate.
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Experience with various equipment assets and circuit inventory systems required.
