WorldCall Telecom Limited
is looking for a full time Manager Systems. This role Will be responsible for managing Radius and MySQL servers for above 50K Broadband customers nation wide.
Will be also responsible to manage and troubleshoot Access Level network consisting of Cisco and Juniper devices for PPPoE services
Will assist development team in process of frontend development for Radius and CDR based systems. Should be familiar with MVCs.
Will handle Level 3 complains from customer. Will be responsible to backup and replicate all necessary data.
Will be responsible to manage/backup/restore/create failover of LDI systems where MySQL databases will grow upto 1 TB
Will be responsible to troubleshoot large scale VOIP systems
Will be responsible for P2V conversion and managing backups of VMs where sizes can grow above 2 TB
Implementation of monitoring tools via SNMP and customized scripting/Cacti custom Templates
Skills Required: Operating Systems: Linux CentOS 6.x 7.x, Ubuntu, Windows Server, IOS, JunOS
Protocols: DNS, HTTP, HTTPS, FTP, Radius, PPPoE, NFS, QUIC,SMTP, SNMP, DHCP, TACACS+, SIP, RTP, 802.1Q, 802.1ad
Applications: FreeRadius, Bind, Apache, Nginx, IIS, FreeRadius, net-snmp, HAProxy, MySQL Proxy, IPTables, Asterisk Databases: MySQL (Master to Master replication) MSSQL Scripting: Shell scripting and any scripting language (Perl, Pyhton etc) Network expertise: Cisco and Juniper routers specially 7600 and 7200 series and switches, ether channels, Cisco ASA, knows implementation of PPPoE, QOS and traffic shaping at advanced level Monitoring Tools: Nagios, Cacti Virtualization: VMWare ESXi, XEN, OpenVZ