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@senasena
Miembro desde 23 de mayo de 2013
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senasena

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Network engineer and system administrator with 13+ years of hands-on experience. I have been working with a different network topologies, from office to metro network. I am skilled Unix system administrator, with lot of experience in Linux (CentOS, Debian, Ubuntu) and BSD (FreeBSD and OpenBSD) systems. I have got working experience with: DNS; DHCP; HTTP (Apache, Nginx); FTP (vsftpd); SMTP (from old-fashioned sendmail to relatively modern CommunigatePro); SNMP; SMB; VoIP (class 4/5 softswitches, sip); ACL, firewalls and NAT; I am proficient in configuring Cisco routers and switches, network designing and implementing. I have got working experience with: Switching & Routing; Security (ACL implementation, hardening routers and switches, IDS/IPS; RADIUS, TACACS+); VoIP (Cisco voice gateways, UC, H.323, IVR, T.38/T.37 fax); Monitoring (netflow, flow-tools, nagios, zabbix); Clouds (GCE, AWS, DigitalOcean);
$22 USD/hr
4 comentarios
1.2
  • 50%Trabajos finalizados
  • 100%Dentro del Presupuesto
  • 100%A tiempo
  • 25%Tasa de recontratación

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Comentarios recientes

Experiencia

Senior Engeneer

Aug 2008 - Nov 2013 (5 years)

Cisco based networks administrator. DNS management. Designed, maintained, configured and supported local network with the cisco hardware. Designed, maintained, configured and supported metro network with hundreds of clients. Designed, maintained, configured and supported VoIP services (Cisco voice gateways, class 4/5 softswitches, H.323, IVR, T.38/T.37 fax, SIP, etc). Designed, maintained, configured and supported wireless networks, managing and supporting internet access (hotspots, accounting) Experi

Network Engeneer

Dec 2002 - Aug 2008 (5 years)

Cisco based switched networks Administrator. Designed and implemented auto-recovery jobs. Designed, installed and managed Local Area Network for the new branch office. Designed, maintained, configured and supported corporate SIP services. Designed, maintained, configured and supported local network with the Cisco hardware. DNS management. Extensive experience with open source software: configuration, compilation, patches, debugging. FreeBSD Administrator(Routing, Proxy, Mail). Linux Administrator (G

Engeneer

Jul 1999 - Dec 2002 (3 years)

Cisco based networks administrator. Maintained, configured and supported local network with the cisco hardware. Maintained, configured and supported remote access and dialup network with hundreds of clients. Designed, maintained, configured and supported VoIP services (Cisco voice gateways, class 4/5 softswitches, H.323, IVR). Experience with open source software: configuration, compilation, patches, debugging. Experience with TCL for Voice Applications. FreeBSD and BSD/OS Administrator Monitoring sy

Calificaciones

An Introduction to Operations Management (2013)

Coursera

Cisco Certified Network Assistant [640-607 CCNA] (2012)

Cisco Systems

Reg#: 205566624

Implementing Cisco IP Switched Networks [642-811 BCMSN] (2005)

Cisco Systems

Reg#: 212950496 Recertified in CCNA

SMB Solutions for Account Managers [650-175 SMBAM] (2010)

Cisco Systems

Reg#: 115129.191.1

SMB Solutions for Engineers [650-180 SMBEN] (2010)

Cisco Systems

Reg#: 115159.192.1

An Introduction to Operations Management (2013)

Coursera.org

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