Application Support Engineer Resume
Austin, TexaS
SUMMARY:
- Knowledge of the Technology Industry and an understanding of how its products address key business needs
- Comprehensive test and troubleshooting experience in computers with working knowledge of Operating Systems including AIX/UNIX/RED - HAT/LINUX, Microsoft Windows Operating Systems (server 2008/ 2003), and TCP/IP Networking
- Excellent team-work and leadership abilities,
- Excellent written and verbal communication
COMPUTER SKILLS::
Computer Skills including: Microsoft Office Applications (Access, Word, Excel, PowerPoint), Adobe, Photoshop, Adobe Dreamweaver, Windows PowerShell, Microsoft Outlook Web Application (OWA), Microsoft Windows-based Outlook, Microsoft Windows/MSSQL, Symantec Anti -Virus Corporate Edition for the windows-based networked computers., Micros system, PMS (Property Management Systems), MARSHA Reservation System, and Point of Sale (POS) Equipment/Registers, Zeta Phone System, SaaS based Pagerduty Alerting System/Platform, Confidential Collaboration Software (Confluence/Jira), Akamai
Programming Languages: such as C/C++ (running on Confidential UNIX/AIX platform), Confidential Assembly language, PHP, Shell scripting languages such as Bash, Python, Perl (Unix-Based) and Java.
Automation Configuration Software including: Puppet, Salt.
EXPERIENCE:
Confidential, Austin, Texas
Application Support Engineer
Responsibilities:
- As part of Dev. team member supported in-house custom-made Java related application, which was used in a Proprietary Predictive Digital Advertising/Bid-Management System/Software solution called DeepSearch/BuyerPath Engine.
- This support included developing AWK/BASH/Sed/MySql scripts/queries in order to modify/upload Confidential 's retailers' CSV, XML, text-based (flat) feed-data files onto the Google’s Merchant Center & other industry CSE's (Comparison Shopping Engines) & Java code medications/testing and troubleshooting/rebuild using Java/Apache -Ant software & automation tools.
- Also, provided trouble shooting assistance to our external/internal Client-Services/Delivery team on issues related to syncing & transfer of customer Ad/feed data using SSH/SFTP/FTP/Wget/Curl and on problems related with feed columns/headers mapping/transformations, clients’
- MySql database backups/restore and other issues specific to the CSE’s Merchant Category Mappings/Taxonomies.
Confidential, Austin, Texas
Technical Operation Linux System Administrator/Support
Responsibilities:
- system-monitoring of network infrastructure/routing & servers using Zenoss/Nagios based monitoring
- Provide support to company’s servers (Stand-alone LINUX/RedHat/Centos servers, VMWare Vcenter Servers and Amazon EC2 Cloud Web Services) used for running (SAAS) model Java application that provided marketing platform to advertisers and publishers in order to reach their audience over the WEB including PulseConnect and Real Time Bidding Applications used for ad targeting, CRM, commerce, cross-channel analytics and usage statistics with greater audience transparency and deeper engagement.
- This support was based on 24/7/365 days system support including one week per month rotation for the night shift system, and setting system configuration automation using Puppet/Salt. Configured FTP/SFTP/SSH (Vsftpd/Filezilla) servers for servers' users access/security.
- Also was responsible for the company enterprise network infrastructure which included (Tier 2/3 level support) of server traffics/bandwidth, routing, switching, server connectivities (TCP/IP networking), VPN (OpenVpn Linux systems), SAN/LUN storage additions/extensions, and user authentications issues related to LDAP (permissions/authentication/access), Windows server (2003/2008) Active Directory based Users/Groups, Confidential 's Jira/Conflunce ticketing/email/user support, SVC/Revision-Control, Configuration and automation changes using Puppet (master/client), & handling alerts and system-related cases submitted by company's internal/external customers using the Salesforce/email ticketing system.
- Supported Amazon AWS EC2/Euca2ools Cloud based instances for the applications such as UN-subscribing programs used by email users/email-campaigners. provided automation, log analysis and error reporting scripts using Bash/Python/Perl to the internal/external customers.
- Performed operating system configurations/installs, system O/S (kernel) security patches/updates and was responsible for the publish of the external application software & for applying monthly Linux Patching for servers owned by the company's external customers.
Confidential, Austin, Texas
Linux System Administrator
Responsibilities:
- Provided fanatical support to worldwide customers with Linux servers (LAMP) based on Red-hat/Ubuntu/Debian/Free BSD operating systems. Supported LINUX System Administration/Infrastructure & trouble shooting of Web Servers, FTP Servers, (Secure vsftpd, ProFtpd) MAIL Servers (sendmail, exim, postfix, QMAIL), application servers (PLESK, Ruby on Rails, Tomcat, e-commerce software) Networking & Firewalls. Also provisioned servers based on Solaris system and helped customer to manage/check the system services using the Service Management Facility (SMF) components.
- Responsible for providing technical assistance on DNS Server/Client Configurations (Berkeley NAMED/Bind) & problems and on trouble shooting of network related switch/router connections.
- Cloud Based Private/Public/Hybrid Instances/Servers Support (OpenStack framework) loaded with Linux operating systems based on Red Hat Enterprise (5.x, 6.x), Centos, and Ubuntu, and Windows server 2003 OS images. Supported kernel patches/updates, software package installs/updates, SSL/TLS certificate install/configurations, kernel security patches, LVM/RAID disk configurations/additions, plesk updates, fixing networking issues & trouble shooting of server related services including DNS (BSD Bind), SSH/SFTP, FTP, Mail (sendmail, postfix), Databases (MYSQL, PostgreSQL, Duplications) and Apache/Nginx/Lighttpd & Tomcat servers and Kernel-related issues such as kernel panic/segmentation faults.
- As a part of Rackspace “Fanatical Support” I helped customers in mitigating DDOS attacks, SQL injection attacks, Iframe/URL Injection hacks and examining/securing user-accounts/passwords for QMAIL for possible compromised email-addresses & by performing Mal-ware/root-kit detections by doing log analysis and by finding hidden files and directories and implementing preventive measures in order to avoid future hacking and email accounts' compromises (iptables, hardening user accounts, password-checking, check/reduce SUID,
- Setgid files/directorates, security audit tool, TripWire, Nessus, Wireshark, Snort, etc).
Confidential, Lake Way, Texas
Technical Support/Customer-Service
Responsibilities:
- Provided technical support to Confidential clients with shared web hosting, VPS, and dedicated web servers via live chats/phone calls, email and ticketing system.
- Solved problems related to Email services (SMTP, POP3/IMAP, QMAIL, Postfix, Exim, SENDMAIL), FTP/SFTP, HTML//XHTML/PHP/JS scripts, CGI/PERL scripts, Web applications (Joomla, Drupal, WordPress, Coppermine, b2revolution, etc), MRTG/ MUNIN/Cacti/Awstat monitoring/statistics applications and servers’ router/networking problems. Setup was done for a test dell server (PowerEdge) loaded with Apache 2.2/MySQL 5.x & with PHP/PERL/ASP support for the purpose of troubleshooting Internet Services and/or diagnosing of company's external customers' custom-designed code/scripts & their web applications using variety of CMS products including Apache/Tomcat with Drupal and Joomla.
- Troubleshooted problems related to DNS/DHCP & Domain Registrations (ENOM, Domain.com), SSL, e-commerce (MIVA software, & os-commerce) applications, email clients (e.g. Outlook, Thunderbird, Apple Mail), SSH/SFTP/ FTP clients (Cute-FTP, Smart-FTP, Fetch, Filezilla), and HTLM /XHTML web-services issues (Front-Page/Dream-Weaver).
- Installed SLL/TLS certificate and configured web sites' cipher suites for AES data encryptions, and use of Strict Transport Security for complete domain-names for securing the e-commerce and banking-institutions sites.
Confidential, Austin, Texas
Restaurant Manager/Owner
Responsibilities:
- Managed the operation of a full dining restaurant with 25-30 people. Administrator of budgets, staffing, scheduling, training, purchasing, inventory management,
- The restaurant was recognized as the best dining/Italian restaurant in the city of Round Rock, TX by its daily paper (, i.e. Round Rock Leader) for 3 consecutive years.
Confidential, Austin, Texas
Graphics Systems Test Engineer
Responsibilities:
- Developed diagnostic programs in ‘C’ programming language for the Confidential 2D/3D graphic adapters used for Confidential RS/6000/AIX workstations.
- Responsible for all phases of test activities including planning, building, integration, system-testing/stress-testing & maintaining/supporting of the diagnostic -level code for the Confidential display adapters.
- Ported 3D graphics diagnostic program based on the SGI MIPS UNIX platform to the BM AIX platform. Debugged/Rebuilt the ported code using AIX system-tools including AIX debugger (dbx) & re-complied & rebuilt all source codes under Confidential AIX O/S with the required changes to source/library modules & configuration-scripts and system-build make files.
- Set up Networked Computers for test code development of the graphic sub-systems (BIOS, Device Driver Interface, 3D-Perofrmance testing) using Confidential Token-Ring Networking Topology/Technology (i.e. configured systems networking using AIX tool - SMITTY). Connected lab environment computers to Confidential Internal Diagnostic Support and Hardware Integration Testing Systems’ intra-net for the purpose of code development/debugging/CVS and final product diagnostic code-release.
- Responsible for low-level hardware bring-up codes for Video Card’s Bus-Interface Module ( Confidential MCA based), RAMDACs, I/O subsystems, Video RAM Memory, and supporting chip-set during the Engineering Design Phase of the product development of 2D/3D video cards.
- Coordinated EVT/DVT/FVT functional test operations and supported the graphic cards’ diagnostic code for in-house departments including Manufacturing and Hardware Exerciser teams (Quality Assurance, Hardware-Integration/Stress-Testing group).
- Exceptional record-time release of a 2D Video adapter’s diagnostics (ahead of the released schedule by more than 6-months) which resulted in Confidential cash award for the test team. Provided all technical Documents for the graphic diagnostic code to Confidential internal and external customers.
- As a team-member of Confidential ‘s “PC Group-Test Manufacturing” modified & supported product level
- Diagnostic code for Confidential Expanded/Extended Memory adapters use by Confidential PC products.
- Developed and implemented Dynamic Torque measuring hardware/software (adapter level) system & provided test support for an in-house built based on Intel x-86 processor controlled test equipment for the Confidential Printers and Sheet-Feed products.
- Provided support to the Confidential Manufacturing Assembly Test Line in running the specialized test equipment and in troubleshooting test error codes.
- Coordinated all activities including logistical operations and trainings/manuals for transferring the test equipment to Confidential Manufacturing plant at Lexington, KY. In order to enhance the test capabilities of printer/sheet-feed products combined a Cognex Vision System with that of Confidential PS/2 controlled test system for accurate measurements of products' parameters including paper alignments and skewness thus lowering product defects to less than 0.01% of all shipped printers/sheet-feed products.
- Adept in “C” & Confidential PC assembly languages and have developed scripting codes in AWK, Python, Perl & UNIX/AIX shells (Bourn/Korn/bash) for the purpose of test automation and error/log analysis, report generation and data-collection.