Overall technology experience: - 10 years Linux OS, starting with Red Hat 5.0.
- Working on becoming RHCA for RHEL5
- Managed Point of Sales Server farm running Novell (SuSE) Point of Sales Linux (~1,000 servers spread out amongst 300 locations), including approximately 10,000 clients and remote data terminals.
- Knowledgeable about PXE Installations using kickstart and FAI, and using automated tools to manage clusters of servers
- 4 years Point of Sales experience, managing hardware and software development and deployment.
- 7 years hands-on experience running and tuning Apache, MySQL, PostgreSQL, and JBoss servers for performance with high availability and uptime.
- Project Management with SCRUM and XP.
- Agile aptitude, incorporating unit tests and version control within current projects.
Web: - Strong working knowledge of LAMP environment, remote SSH deployment and code security.
- Strong working knowledge of JBoss and J2EE components.
- Extremely Competent with Apache configuration, troubleshooting, and tuning.
- Practical knowledge of AJAX, CSS, typography, OOP, Design Patterns, JQuery, REST and SOAP data services.
Data: - 2 years using PostgresSQL, now working with Clustering.
- 4 years using MySQL, primarily the InnoDB storage Engine.
- Exposure to Oracle 10g (including RAC and forms and reports) and SQL Server.
- Studied Business Intelligence in 2004.
- Pillar Data Axiom and EMC Clarion SAN Fundamentals
Network: - Cisco ACS and Application/Content Networking System Configuration, Management, and Troubleshooting
- F5 Networks BigIP/BigDNS Configuration, Management, and Troubleshooting
- Nokia Checkpoint Firewall and VPN Server Configuration, Management, and Troubleshooting
Linux: - PXE Booting, PXE-based installs, and kickstart configuration files (by hand, and using tools such as cobbler and koan).
- System configuration management with using 'generic' tools, such as puppet and cfengine, as well as implementing specific needs by using bash and SSH
- Stress testing Linux servers and applications using various open-source tools.
- Maintaining High-security and High-Availability websites through smart and proactive security policies and system management tools.
- DNS (specifically, BIND), Proxy (specifically, Squid) and SMTP (Specifically, Postfix) working knowledge.
- Knowledge of IPtables firewall management and usage
- Ability to work with networking team to define network ACL's to be applied to upstream configuration
- Use common RCS tools to track and monitor changes to files in production environments
- Understand requirements and implementing SOX compliance practices using open source tools.
- Knowledgeable and proficient with writing and managing SELinux Policies
- Using Snort IDS to identify threats coming from Internet and Intranet hosts.
- Using syslog to collect log files from all servers to one central location, then using auditing tools to identify and investigate possible compliance or procedure violations.
- System deployment and configuration:
- Kickstart scripting to minimize human intervention during installation
- Using PXE installers to automate large-scale server installation
- Using Post-install configuration scripts to automate any post OS install scripts (application installation) to minimize human errors during installation and provisioning process)
- Created Own "Server Status" web-based application to help automate provisioning new machines
- Using common management tools (cfengine, puppet) to automate and verify system configurations and auditing OS level settings
- Using and implementing centralized change management software to identify errors in configuration changes.
- Wrote a compliance utility to scan 150+ Linux/HPUX hosts to verify that machines were in line with company policy
Work Environment: - Very proficient with RedHat, Debian, and working knowledge of Gentoo Linux.
- Working knowledge of FreeBSD and NetBSD.
- Very proficient with Subversion, CVS, and Git version control systems.
- Very proficient with SourceForge Enterprise Edition, CollabNet Enterprise Edition, JIRA, and GForge Software Configuration Management.
- Very proficient with SurePOS Point of Sales Management Products. Working knowledge of RealPOS Point of Sales management Products
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