System Administrator Resume Profile
Objective
Seeking greater responsibilities and challenging new opportunity to continue professional technical career as a Technical Systems Specialist providing timely practical and technical solutions by reducing duplication of effort, and effectively driving change to meet the company's needs.
Summary of Qualifications
IT professional experienced with Server Infrastructure management of Windows Server 2008R2, 2012R2 , SQLServer, Linux SLES v10-11, RHEL , UNIX SUN, AIX v5.3-6.1 , ORA/WebLogic Server hardening and architecture. Practical and technical advance knowledge of CISCO environment, TCP/IP-OSI networking, LAN/WAN operations within Active Directory/LDAP. Support for Business-critical applications, Web Services and Software code deployments in a JAVA/Hibernate/Spring framework. Proficient with IP Networking, Shell-Scripting, Server API's/SNMP knowledge of Security technologies through PowerBroker, TripWire performance monitoring. Certifications: A , Net , MCP Currently finishing 2012 MCSE, CCNA/Security
Bilingual Spanish/English, Technologies Include:
- Project Management CRM/Web WebLogic/WebSphere VMware/SNMP
- WebServices SOA/ERP Apache/Tomcat Linux/Unix/OSX
- JAVA/Scripting Bash, Korn SQL Server 2012 LDAP/AD/SNMP
- OSI/TCP/IP/ServicesIntegration CISCO/VLAN-LB/STP Routing/Switching
Professional Experience
Confidential
Linux/UNIX Server Engineer II
Performed IP networking working with Linux/Unix Infrastructure Servers running multiple applications. Administered Unix AIX Servers, RHEL, SLESv10-11 and conducted performance analysis. Managed documentation, port mappings and Network File System NFS v3, v4, LVM2 export mounts.
Confidential
Linux/UNIX Server Engineer
- Managing and supporting key business application processes, performing manual and automated Software code Deployments and implementation. Providing solutions within a 3-tier LAN/WAN Linux/Unix Solaris/AIX architecture, performing testing supporting Oracle Webservices, Apache/Tomcat, and IT Development. Administration of WebLogic in a SOA framework JAVA runtime supporting Core systems, and Database platforms. Handled Server upkeep of bash scripts, automating run jobs, SQLServer and Oracle DBMS queries. Conducted Front-end support for management consoles ESB for IBM and OSB B-End services. OSI layer TCP/IP, HTTP, SSH, SFTP, data/code and continuous integration
- Operations, Web Legacy Application support for configuration, staging and deployment
- Support integration of B-End portlet-base services, and Web UNIX/Linux entry-points
- Tasked with resolution of Server-based Linux/Unix administration of shell scripts
- Conducting Server maintenance for managed programs and environmental workflow procedures within Active Directory.
- Managed Apache/Tomcat Dev Environments allowing for production application testing.
- Maintained Server job queues for internal processes, and connections of new services
Confidential
Desktop Deployment Engineer
Performed IP networking cabling, VLAN port changes working with Cisco Switches and Active Directory Users Computers. Support for ServiceDesk tools, client software installs, application support for Mac IOS and Wireless network management.
Confidential
Systems Administrator
- Provided network support for internetwork consisting mainly of CISCO Catalyst Switches/Routers, ASA 5500, VMware vCenter ESX, and EX-Series Juniper Technology. Managed and maintained Linux RH boxes, NMS Cisco ODI's, SNMP/API's using NPM modules, and WireShark to collect and analyze data. Designed and implemented SolarWinds NPM network allowing clients to better manage resources. Administered ConnecWise PSA tracking resolving Client's requests.
- Provided support for CISCO migration of multiple sites, allowing for smooth transition.
- Supported CentOS Servers, and ESXi hardware. Assisted users in resolving Network issues.
- Worked with WireShark to analyze network traffic, and capture packets from all OSI layers
- Helped Analyze vSphere DRS/DPM/, vMotion migration issues, and site recovery.
- Built NPM Orion Server SNMP polling engines, Monitoring Linux Severs.
Confidential
Operations Network Engineer
- Operations support for managed services with concentration on WAN network technology and CISCO. Performed root cause troubleshooting of network outages, VOIP communications, handling requests for affected WAN Router VRF, MPLS, OSPF, STP, DS3, NNI, FR/ATM Global circuits coordinating tasks for further problem resolution. Worked with ITIL and Remedy to track and resolve basic to complex issues. Assisted customers providing telephone support using Telnet/SSH/VPN and e-mail.
- Provided phone and e-mail support, responding to internal and external global requests, following and applying an ITSM/ITIL performance framework within Linux environment.
- Worked with providers performing loopback, BERT, and physical tests on down circuits
- Reported massive outages, and coordinated immediate dispatch of technical site teams
- Worked on the restoration of network, IP1800, SIP/VOIP services troubleshooting/isolating network latency, circuit errors, packet loss, and power outages
- Helped diagnose and troubleshoot BGP/MPLS, FR, DS3, OC3, OC48, VLAN/STP-LB
- Operated as liaison with all applicable internal and external third party providers.
Confidential
Systems Administrator
- Supported Apple's IOS, Mac OS X, and Windows 2003 Server. Administered and supported Exchange/Microsoft Office 2010 Mac , WAP, hardware, VMWare-Fusion, and network OS migration. Provided effective application problem resolution for CISCO wireless LAN, Avaya Telephony/VOIP, and object monitoring. Addressed network TCP/IP, DHCP/DNS issues, responding to clients requests via telephone and e-mail
- Provided maintenance support for CISCO Client/Server network
- Supported VMWare-Fusion for Mac OS X within Active Directory
- Worked with applications including SAP, Oracle, identifying and resolving complex issues.
- Guided users with how-to procedures, and provided online solutions to technical questions.
Confidential
Linux Technical Engineer
- Provided support for process-tools, utilizing problem-solving techniques to resolve issues and complete objective tasks. Managed projects including JAVA package deployments, application life cycle, and provided valuable input in the completion of critical business decisions. Aided in the restoration and administration of development and Media servers, RHEL, Solaris, to assure proper multitier application testing was completed.
- Supervised software/application staging lab support and integration.
- Involved in Software Programming-upgrades of mobile devices and digital certificates.
- Performed Content Lifecycle Management and technical support for mobile platforms and hardware. Conducted extensive LBS a-GPS-GSM testing for third party applications.
- Supported network environment constructed of MS/UNIX-Sun Microsystems Solaris, Apache/Tomcat, and RHEL running multitier applications.
- Administered Check Point ClusterXL VPN-1 firewall architecture supporting users in Latam
- Administered content pre/post-loads configuration of MIDlets, and Digital Media.
Confidential
Systems Administrator
- Conducted efforts to improve maintenance, and deployed departmental Windows XP IBM/Dell workstations, laptops, and desktops services, allowing for a seamless transition, while increasing performance. Worked as liaison to the System Engineers, and managed projects that included SafeBoot Endpoint Encryption implementation in a SAN VMWare environment, designed to protect company's assets and improve network security. Monitored and provided support for production servers including: SQLServer, and Server 2003 domain controllers.
- Created data logging polled from system management servers using web technology tools, helping identify application bottlenecks and abnormalities.
- Initiated reports from logged data, making sure the operation of production servers was uninterrupted by addressing all system and network errors.
- Performed incident handling functions, and presented solutions involved in end-user
- Support for VPN, CITRIX, Backup Exec, E-mail, RSA security, and break/fix services.
Confidential
Systems Network Engineer
- Recommend procedural changes designed to improve reporting mechanisms and event handling. Supplied team of engineers with seamless operation subsystem statistics packet-based network nodes reporting, while maintaining functionality of the diverse management controls of operations.
- Generated solutions for InterReach Unison Wireless systems, used to connect to Network-In-A-Box NIB Core GSM solution, troubleshooting initialization and connectivity issues.
- Supported the operations of expandable hardware cellular architecture MSC/BSC/BTS , maximizing reliability of all access elements, using efficient decision-making techniques.
- Monitored NMAP, Reflection X WaveView OMC Client/Server, and UNIX/Solaris Servers
- Handled all alarms/alerts for components, and infrastructure support for: CISCO 2800, 2811, 3600 Series, PGW trucks, DAS, SS7, NNI, iDirect satellite links, GPRS, T-1, DS3, MetroE, WAN links, and Client/Server operation.
- Affinity Internet, Confidential
Unix/Linux Engineer II
- Performed root cause network administration of traffic using protocol analyzers tcpdump, ethereal/Wireshark, troubleshooting all provisioned UNIX-FreeBSD, CentOS, Fedora, RHEL, Windows servers, detecting network anomalies. Administered dedicated Web servers, and experimented with VMWare-ESX. Managed applications on servers running on multiple OS's, and hardware platforms. Served as second tier support, and provided incident management resolving and closing IT Support tickets. Gained expertise knowledge of Apache, Nagios, CP Plesk Access, Webmin, DNS, SSH, Telnet RDP, Dameware, and CITRIX ICA. worked in coordination with tier III team, resolving more complex issues to ensure that all service levels were maintained. Managed server Perl scripts for automation of tasks Tivoly ASM Backups, and recovery functions.
- Provided automation of maintenance scripts for server, and system management tools.
- Carried out rotational tape backups, and performed restoration of high-end RAID servers.
- Utilized the Internet, and networking tools to find exploits and vulnerabilities to mitigate security threats. Performed special requests installations of 2K3 Server, CentOS, Fedora CORE, RHEL-ES, FreeBSD, MS-SQL, Ensim, Plesk, CP, and Tivoli ASM.
- Worked with CISCO technology addressing LAN connectivity and routing issues.