Qualifications Profile

• Solutions - oriented Red Hat RHEL Engineer/ Unix Admin/ Programmer with a proven track record of effective systems engineering demonstrated through 9 years of experience in IT, computer programming, teaching, UNIX, voice over IP, and project management within the telecommunications industry.
• Extensive comprehensive experience as Linux RHEL administrator.
• Possess credential as a Cisco Certified Network Associate CSCO
• Extensive Database experience including DBA administration and optimizing complex SQL queries.
• Cisco CCNP candidate 2 tests due for completion .
• Possess credential as a Linux Professional LPI 47593
• Exceptional programming skills within a UNIX environment.
• Broad knowledge and success in a software engineering development environment.
• LAMP stack programming demonstrable experience, including heavy Java programming and deployment.
• Leading experience in a support and development environment.
• Foreign language proficiency in Spanish.

Core Competencies:

Networking TCP/IP

UNIX / LINUX

Programming

Voice over IP SIP, H323

Telephony

Databases

Technical Background

Platforms:

Linux, Solaris, AIX, FreeBSD, SCO, Cisco routers, Cisco Call Manager, VoIP gateways/gatekeepers, TGBM Softswitch, Talking SIP Softswitch, Mind CTI Softswitch, Proprietary RealTime Monitoring VoIP Tools, NACT STX/NTS Tandem Switch, experience customizing VOCAL libraries, ASN.1 Porta One softswitch., Asterisk PBX., IPX, Novell, Lantastic, OSX, Entice, Portabilling. RAID 5, IBM, Dell, single and multiple processors. Windows in all flavors inluding2K3/2K8. RedHat, Centos, Suse, Ubuntu Freeswitch, Opensip. RHEL 4-6

Languages:

C 11 years, Perl 2 years, PHP 5 years, C 6 mo, Unix Shell S.cript 7 years, XML, HTML, javascript, actionscript, JAVA 7 years, SQL 6 years, ESQL/C PYTHON ERLANG Ruby.

Tools/Protocols:

Rational ClearCase, CVS, IPX, TCP/IP, H.323, RTP, RTCP, Apache, eAccelerator, SNMP, SendMail, Radius, DHCP, GIT, DNS, NAT, IPSEC, IKE, ASN.1 Freeswitch, Git, Puppet, Chef.

Databases:

PostgreSQL, Informix, MySQL, MS SQL Server, Oracle.

Professional Experience

Confidential

• Maintain production and Research Systems for Students, faculty and Scientists in a variety of configurations including Unix, Red Hat, Ubuntu and a wide spectrum of standards and configurations with heterogeneous systems like OpenMPI, OpenMP, Paradigm software, etc.
• Successfully installed and maintained complicated scientific software in cluster configuration for performance and speed.
• Installation, patches, security and networking assistance.

Confidential

• Lead Engineer in charge of the IT department supporting production Solaris servers with Oracle database, development platforms with JBOSS,Tomcat and Java running on Linux Red Hat servers in a PCI certified environment with SonicWall 2040, 5500 firewalls. JBoss installation and maintanance for middleware inhouse developed software. Java webservices support. IPSec point to point and dial up VPNs for clients, developers and production. Successful virtualization of test, development and pre-production environments. Shell scripting bash, Korn, cshell automatization, Security hardening vulnerabilities scanning and IDS. Monitoring implementation with Nagios and cacti tools.
• Administration of development and production servers running Linux RHEL 5 6, including hardening, patch installation, monitoring and maintenance.
• Protocols extensibly utilized at an expert level: SSH, SCP, IPTABLES, FTP, SNMP, DNS, NFS, SMTP, HTTP, HTTPS, SSL, LDAP, Apache, Tomcat, JBOSS, kickstart.
• Updated the very old version of Tripwire Enterprise to the most current to be compliant with PCI requirements.
• Design, proposal, implementation, deployment, support monitoring and maintenance of all the Linux platforms in productions and development.
• Server security hardening, patch installation and upgrades and software and hardware maintenance.
• Deployment, operation and support of monitoring systems like SolarWinds, Nagios and Whats Up, including heavy scripting development for monitoring, deployment and automatization of tasks.
• SNMP and shell scripting for monitoring production environments.
• Automation of tasks and configuration via puppet and Chef management tools.
• AWS development for Amazon Glacier storage and Amazon Virtual services.
• Clients, vendors and third parties communication channels enjoyable handled.

Confidential

• In charge of maintaining applications for the telecommunications industry, running on Linux Redhat RHEL 5.X and enterprise with Oracle 10 as the main database.
• This environment had over 100 Linux servers combining physical and virtual technologies.

Confidential

Responsible for responding to denial of service alarms for customers around the globe and triggering the response mechanism to fight the malicious traffic with tools under the LAMP stack.

Confidential

• Networking Unix and Linux design, implementation and support on a daily basis for Solaris, Linux servers with a wide range of networking architectures and systems.
• Linux RHEL 5 and 6, OpenSuse, Linux Suse Enterprise, Redhat, centos and windows support on a daily basis. Development of SNMP monitoring tools for Video Broadcasting systems.

Confidential

• Support and maintenance of the technologic platform for processing of prepaid credit cards for the Latin American market with this financial institution, involving a cage NOC with Sun microsystem blade servers, IP PBX, SCO servers for Oracle/Informix database, EMC2 Clarion NAS administration and volume manager, MPLS and vpn communication links.
• Windows OS administration, Open source and LAMP implementation of monitoring tools for daily operations. LAN administration.Midleware JBOSS, TOMCAT, installation administration and maintanence. Administration of Linux RHEL servers with CEntOS, DEbian, Suse and Red Hat Linux distributions.
• Perl development of Asterisk modules.
• Intensive script development for task automatization.

Confidential

• Designed, developed and maintained services for the telecomm industry based in brainstorming of innovative ideas.
• Linux RHEL Administration of Asterisk /Freeswitch VoIP wholesale and IVR platform running on Redhat, Debian,centos, freebsd and Ubuntu with PHP, perl, Python, Ruby and shell scripting.
• Succesful adaptation of accelerating mechanisms for the php based billing syatem through OpCode Caching.

Database administration for MySQL with replication as our billing database, perl development, NOC support and managing. LAN WAN links administration.

Mac systems administration, LAMP development and maintenance of systems and services. Exp Analyzed Amazon Elastic cloud services EC2 to incorporate services to the business plan.Coordinated the integration of multiple Linux systems.

VMWARE XEN virtualization.Freeswitch inception and prototyping of voip services.Switching and routing protocols widely used for all the telecommunications links.

Support and maintenance of Mac platforms. Administration of Linux servers with CEntOS, DEbian, Suse Ubuntu and Red Hat Linux distributions.Intensive scripting for SNMP, shell, perl monitoring of the entire systems.

Remote configuration management via Chef, puppet, Git and subversion.