- Managed and maintained over 50
servers
- Project lead in deploying to a new
data center
- Project co-lead in the deployment
of a new VOIP infrastructure
- Designing and maintaining multiple
VMware based VM environments, engineered for Fault Tolerance and carrier
grade VOIP
- OpenLDAP in a high availability
scenario
- International VOIP installations
and peering at a carrier level
- Installing, maintaining and
troubleshooting Linux based servers and workstations
- Installing and maintaining Linux
based VOIP installations with extremely low downtime
- Implementation of client's desired
behavior in their existing VOIP installation
- Management of multiple Cisco TDM
to SIP/H323 Gateways
- Experience with RBAC based
security infrastructures
- Monitoring multiple sites for load
level and call volume with custom scripts
- Installed and Maintained Multiple
Call Centers: Installed,
peered and deployed multiple call centers, integrating them into our
existing network.
- VOIP Faxing: Experience installing,
configuring and maintaining Fax to Email gateways along with transit, both
over T.38 and with ulaw pass-.
- Low Bandwidth Operations: Maintained a VOIP infrastructure
over international links with high jitter and low bandwidth in an asterisk
based environment.
- DNS: Operates a dual stacked DNS infrastructure utilizing
bind with slave servers.
- Email: Installed and supported multiple
multi-homed email servers with an extremely strong and multi layered
anti-spam back end. Operated a
closed email relay. All servers
based on Postfix and Dovecot and backed by a database.
- LDAP: Implemented OpenLDAP with fail over and PKI based
encryption.
- SAN: Installed and operated multiple iSCSI based SANs in a
multi-pathed configuration with Dell hardware.
- NAS: Installed and ran multiple NASs, based on CIFS, NFS
and FTP.
- Backup: Setup and maintained a multi-site
backup solution based on rsnapshot with deduplication support.
- Website Management: Installed, managed and supported
multi-homed website installations on both Apache and Lighttpd.
- Centralized server configuration: Installed and maintained a Puppet
installation managing multiple
cross-platform servers and the applications on them.
- Monitoring: Installed and managed multiple
sites with Splunk, Nagios, Icinga and Munin. Packages Icinga for the Gentoo project.
- Scripting: Wrote scripts for NRPE, cron jobs,
and puppet with bash, perl and ruby.
- Database: Installed and maintained multiple
databases, both MySQL and PostgreSQL, with
conversion between them.
- Documentation: Maintained wiki, documenting work
done on all servers.
- Training: Trained employees in basic Linux
administration and VOIP troubleshooting.
- Direct Client Contact: Worked with multiple clients
daily on any issues they had or features they wished to be implemented.
- Direct Vendor Contact: Worked closely with multiple
vendors on complex technical issues.
- Exceeds Customer Expectations:
Helped explain situations in terms the customer can easily
understand and accurately relayed and acted on their needs.
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