SUMMARY

• Experienced in information technology professional with more than 17+ years of experience in UNIX (HPUX) administration, Linux / Windows Maintenance and Support environments and in IIS servers, Exchange, Active Directory, Proxy, Samba, Apache, Send Mail administration.

TECHNICAL SKILLS

OS / Servers: UNIX (HPUX), RedHat, CentOS, Ubuntu, Windows Server - Exchange (Active Directory, Communicator, Web IIS,File Server, Terminal Services, ).

Storage: HP Data Protector, SAN, NAS, DAT Operation/Administration

Red /Protocolos: VoIP, Wireless, TCP/IP, VPN, VNC, DNS, DHCP, Samba, SMB, SSH, HTTP, POP3, SMTP, file and print sharing configuration, Port Forwarding, DMZ.

Software / Tools: HP Service Guard, Terminal Emulators, Crimson EditorVMWare, Virtualization, Web Filters, Terminal Services, Citrix.

Programming: Unix Shell, Java.

Hardware: HP9000, HP Sure Store DAT 24-72, Information Technology Equipment and Servers Maintenance.

PROFESSIONAL EXPERIENCE

Confidential, San Francisco, CA

Linux Admin

Responsibilities:

• Design and implement production and development Linux infrastructure.
• Provide afterhours support for production issues.
• Diagnose failure events in timely and logical manner.
• Administration of Linux/Unix system Also went through scripts like bash (csh)
• TCP/IP Ethernet networking configuration and troubleshooting.
• Installation, Configuration and Administration of 2 HPUX 10.20, HPUX 11.11 2
• Responsible for creating backups, maintenance windows, review process, state of connections.
• Operation, Programming and Commissioning System Zone Gertrude (traffic light).
• IPCOP (Ubuntu) Installation and Configuration
• Shell Programming, modification of code.
• General Maintenance and Support team computing
• Apache-PHP-Postfix (CentOS) Installation, Implementation and Administration
• Support for Informix Database.
• Network Administration and VPN
• Installed and configured LDAPServer, MailServer, Samba Server, NFS Server, Asterisk/Elastix/Trixbox Server, Oracle Database Server, Oracle Application Server and VMware Server.
• Hands-on Linux Administration, Hardware Configuration and Software Installation.
• Developed and maintained automation Scripts (Bash, Shell)
• Administered File Shares, Access Permissions, Disk Management, Schedule Jobs etc.
• Installed and maintained all server hardware and software systems and administered all server performance and ensured availability for same.
• Maintained all system backup and assisted to restore all procedures and provided required training to all users.
• Designed and maintained all system tools for all scripts and automation processes and monitored all capacity planning.
• Integrated all required software and resolved all issues across various technologies and design require enterprise servers and provided back up support.
• Evaluated all documents according to system requirements and evaluated all design and performed tests on all development activities and administered all complex methodologies.
• Developed an infrastructure to provide support to all business requirements and perform regular troubleshoot on system to resolve all issues.
• Monitored everyday systems and evaluated availability of all server resources and performed all activities for Linux servers.
• Build strong relationships with clients by meeting or exceeding their expectations with an attitude of ownership, accountability, and a sense of urgency.
• Creating, sharing, and updating documentation for internal and external systems.
• Installation and configuration of software and hardware.
• Assisted to configure and deploy all virtual machines and installed and provided backup to all configuration procedures.
• Perform tests on all new software and maintain patches for management services and perform audit on all security processes.

Environment: RHEL Linux, LDAP, Mail, Samba, NFS, Oracle, Vmware, Bash

Confidential

Linux/Unix Administrator

Responsibilities:

• Experienced in Installation of Operating Systems, Packages and Patches, adding peripherals, maintaining user accounts, System Security maintenance, backup/recovery, performance tuning, troubleshooting at various levels etc.
• Created EC2 INSTANTCES on AWS. Experienced building virtual machines in VMware environment.
• Migrated my departmental servers from a physical data center to AWS. Designed, built and deployed multitude applications utilizing most of the AWS stack (EC2,IAM and EMR), focusing on high availability and auto-scaling.
• Installed and configured Kickstart server environment.
• Experience in networking concepts like DHCP, TCP/IP, IP Addressing, Networking Technologies and WLAN. .
• Maintain and Monitoring the DC, ADC, DNS, DHCP and Exchange Servers and FTP Servers.
• Extensive experience with Kickstart in Redhat Linux, Jumpstart in Solaris, Ignite in HP-UX.
• Hands on experience in configuration management systems like Puppet, Cobbler and Blade logic.
• Hands-on experience in writing BASH Shell scripts.
• Involved in implementation and maintenance of NFS, NIS, DNS, LDAP name services.
• Excellent knowledge of clustering techniques to ensure high availability and GFS deployment.
• Experienced in implementing and administering VMs using VMware ESX 3.1 and vSphere 4.x and vCenter and building KVM Hypervisor. Also worked with Solaris 10zones to implement virtualized environments in the Solaris environment. .
• Experienced in writing / modifying shell scripts for process automation of systems, applications, backups etc.
• Hand on experience on Maintenance of MS Exchange Environment.
• Hand on experience on Linux Shell Scripting
• Hands on experience on Installation, automation and deployment of OpenStack.
• Excellent knowledge of load balancing and clustering techniques to ensure high availability.
• Experience in installation and configuration of a monitoring tool, Nagios and Zabbix.
• Security management like performing security health checks as per policies / procedures, patching the servers based on the advisories for the applications and operating systems.
• Experience in installation and configuration of Apache 1.3.x, Tomcat, WebLogic 9, 10, and JBoss.
• Hands-on experience in diagnosing, troubleshooting various networking, hardware & Linux/ UNIX server's services issues and performing preventive maintenance.
• Installed and implemented open source OpenFiler 2.3, iSCSI SAN with RAID 10for VMware and other servers with iSCSI initiators. Also managing iStor SAN and Symantec Backup Exec 12.

Environment: Red hat 5.x, 6.x, 7.x, Solaris 10/11, CentOS, Ubuntu, Suse Linux, Apache Web Server, Samba, VxFS 4.1, VxVM 4.1, VERITAS VCS 5.0, VERITAS NetBackup, KVM, TCP/IP, ESX and VMware.

Confidential

Linux/Unix Administrator

Responsibilities:

• Redhat Linux Server Management (File, Web Filter).
• Administration-Windows Server 2003 (Terminal Services, IIS, Exchange, Active directory, Live Communicator)
• Support (onsite, remotoVNC, telephone)
• General Maintenance and Support team computing.
• Decreased downtime for backups or computer equipment failures using CentOS Linux Samba SMB
• Improved response times of Linux servers by changing the network infrastructure to 10-100 Gb and manageable switches CISCO
• Removal of dead time on the Internet through Web filtering with Juniper equipment.
• Configuring Remote Access-VPN focused on Leadership and Management.

Environment: CISCO, Linux, Windows Server 2003, Active directory.

Confidential

Linux/Unix Administrator

Responsibilities:

• Administration Redhat Linux server (Samba, WebFilter).
• Administration-Windows Server 2000 (Terminal Services, IIS)
• Support (onsite, remotoVNC, telephone)
• Development in Clarion 5.5 and Java.
• General Maintenance and Support team computing
• Network Administration and VPN
• Decreased downtime for backups or failure of computer equipment using CentOS Linux Samba SMB
• Remote settings, focused on providing support to customers.
• Centralized Antivirus installation and customer installation
• Installation of SMB customers to centralize the data in the POS PC.

Environment: CISCO, Linux, Windows Server 2003, Active directory.

Confidential

Linux/Unix Administrator

Responsibilities:

• Administration in Access 2000, VB5 and Crystal Reports.
• Data collection and capture facilities in Mexico.
• Corrective and Preventive Maintenance for Workstations.
• Installation of wired and wireless network.
• Installation of Data SMB servers
• Novell-server migration to Windows
• Change Network Infrastructure BNC type Coaxial RJ45 Cat5 UTP Twisted Pair Supervisor: Ing. Roberto

Environment: Access 2000, VB5 CISCO, Linux, Windows Server 2003, Active directory.