Need to fix errors in System Software and Networking

I am a Cisco expert with an experience up to 12 years as a senior network engineer in an enterprise level campus as a full-time senior network engineer, and in afternoon as a part-time Cisco instructor, which make from me have both the knowledge and experience to help you ,moreover I have a master degree in communication and electronics engineering so if you need a help then you may drop me a message, thanks

I have great experience in handling systems. Give me a chance, will deliver the required output within allocated time window

hi I am experienced Linux and network admin in an mnc and faced this issues and resolved then so I can help you in this Relevant Skills and Experience Windows Linux and network admin

A proposal has not yet been provided

A proposal has not yet been provided

A proposal has not yet been provided

4 Years of IT infrastructure Installation, Configuration & Troubleshooting experience including backup, security management (Firewalls & Antivirus Server), VOIP, email systems, applications and client/server hardware support. Moreover, while my on-the-job experience has afforded me a well-rounded skill set, including first-rate organizational and problem-solving skills, I excel at: · Overall responsibility for IT Management (Hardware /Network /Applications) · Knowledge of Windows Active Directory, DNS & DHCP. Able to troubleshoot issues like account lockout and DNS issues. · Google Apps (G- Suite) administration. · AMADEUS, GALELIO & SABRE terminals installation, Configuration, Troubleshooting. · Setup & maintain corporate LAN/WAN infrastructure. · Hardware firewall devices Fortigate 90D, SonicWALL NSA 240 & NSA 220. · VOIP Phones (Cisco 303 & Polycom 335). · Seqrite Antivirus EPS Console (ver. 7.0) server · Windows Server 2008, Windows Server 2012, Windows 7, 8 & 10. · Microsoft Office 2007, 2010, 2013.