Senior Network Administrator
Raytheon
Qatar,Doha,Doha
منذ 2 يوم
source : drjobs.ae
  • Maintain a reliable, secure, and efficient data communications network
  • Fully support, configure, maintain and upgrade networks and servers including new hardware, cabling, wireless access points and applications install, licensing, and updates
  • Provide end-to-end network support and understanding of network routing protocols including OSPF, BFD, PIM, MPLS and GRE
  • Effectively troubleshoot application traffic including VoIP, XMPP, SMTP, SNMP and various multicast applications
  • Assist in the install and maintenance of encryption devices and provide support in troubleshooting of IKEv2 and IPSEC protocols
  • Update firewall definitions, Intrusion Detection and Prevention Attack Databases, and Access Control Lists
  • Maintain VoIP system including Asterisk based Call Manager to add or remove phones and establish SIP trunks to external VoIP systems
  • Maintain configuration control for switches, routers and firewalls
  • Monitor network performance and generate network trend reports
  • Set up user accounts and permissions
  • Diagnose and resolve e-mail, Microsoft Office, Windows OS, and local area network access problems
  • Perform desktop hardware repair on equipment and peripherals that are not covered by maintenance agreements
  • Coordinate and document repair on equipment with third party vendors when a maintenance contract is in place
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