SUMMARY:

IT professional with extensive experience seeking long - term projects in DevOps Engineering, Systems Administration, server configuration, management and monitoring on the LAMP stack.

PROFESSIONAL EXPERIENCE:

Linux Systems Engineer

Confidential, Louisville, KY

Responsibilities:

• Contributed to Confidential Appliances & Lighting private cloud platform initiative (internally developed) to deliver IaaS and PaaS built on top of vSphere, Ruby REST services, Docker, GitHub, Jenkins for continuous integration & delivery and Puppet/Riak for configuration management - to deploy code as a fully functioning, scalable, and fault tolerant application in seconds
• Built Nagios monitoring system and became main Nagios admin for over 4,500 servers and 10,000 services, wrote custom monitoring plugins in Ruby and Bash
• Set up development and testing EC2 instances in AWS
• Managed virtual machine servers in VMware
• Provided training for team members
• Worked on daily incident and request tickets in ServiceNow

Linux Systems Administrator/Database Administrator

Confidential, Louisville, KY

Responsibilities:

• Managed all Red Hat Enterprise Linux servers
• Administered IBM Informix databases
• Responsible for reporting (over 2500 sent out per week) systems comprised of 4GL code and Bash scripts

Systems Administrator/Engineer

Confidential

Responsibilities:

• Modified server clusters composed of combinations of Pacemaker, Corosync, DRBD, Xen hypervisors, Confidential containers, and Linux Virtual Server load balancers
• Improved company’s IT infrastructure by implementing principles of high availability and fault tolerance, including redundancy, failover and monitoring

Linux Systems Administrator

Confidential, Washington, DC

Responsibilities:

• Designed, implemented and tested completely revamped infrastructure allowing for automated provisioning, configuration, monitoring and ongoing management of servers and workstations
• Utilized Puppet and Foreman dashboard to automate several system administration tasks, wrote over 40 custom Puppet modules
• Provided ability to stand up virtual machines on demand with KVM/QEMU for testing, development and demo purposes
• Delivered dedicated backup solution with rdiff-backup (based on rsync)
• Built Git repository server with gitolite
• Implemented DNSSEC with BIND9 and dynamic updates of DNS records by DHCP
• Used pre-seed and post-installation scripts on Ubuntu to automatically build development/testing servers
• Set up multiple Drupal websites both manually and with Aegir, an automated method for building Drupal sites

Software Developer

Confidential, Annapolis, MD

Responsibilities:

• Employed Test-Driven/Behavior-Driven Development, Rspec, RVM and Bundler to write and maintain code
• Processed HTML pages and RSS feeds with Ruby, YAML, XML, XSLT & Xpath
• Set up Red Hat development/testing cluster with VMware
• Used Ruby on Rails, Apache load balancers, GlusterFS and Riak key-value store (NoSQL type database)
• Utilized continuous integration practices, git and GitHub to contribute with multiple developers
• Performed build testing with Hudson and unit tests with Rcov, set up YARD/yardoc server for code documentation
• Utilized Cacti, Munin, God process monitoring framework, and Splunk for server monitoring and log analysis
• Employed Jira, Confluence, and Pivotal Tracker for internal collaboration, documentation and project tracking

Web Developer/System Administrator

Confidential, Bloomington, IN

Responsibilities:

• Implemented web development technologies including JavaScript libraries (jQuery and script.aculo.us), Webalizer for website statistics, and Google Search Analytics to analyze how visitors interact with sites
• Employed Perl and CGI scripts for data transformations, and document processing
• Constructed and managed full LAMP stacks for all web servers
• Wrote Bash scripts when needed
• Applied expertise in XHTML, CSS, and RDF to build static and dynamic sites, following web accessibility and usability standards
• Utilized W3C Markup & CSS validation service with reference to Web Content Accessibility Guidelines (WCAG) version 1.0 level Triple-A and WCAG 2.0
• Used HiSoftware® Cynthia Says™ Portal to test and ensure compliance with Section 508 of the ADA

Systems Engineer

Confidential, Indianapolis

Responsibilities:

• Involved in all phases of the SDLC (planning, requirements analysis, design, development, testing and deployment)
• Used CVS for version control and Capistrano for application deployment
• Used lighttpd server and MySQL for web applications
• Implemented AJAX technologies for interactivity

Contractor

Confidential, Indianapolis

Responsibilities:

• Apache HTTP server configuration, deployment and administration
• Built and maintained Sun Microsystems servers running Solaris with Oracle DBMS
• Unix-based network administration utilizing SSH/CSSH, DNS, DHCP, netstat, ifconfig, dig and nslookup
• Network/server performance monitoring using Nagios and Ganglia as well as software developed in-house (SNAPP)
• Used Kickstart to deploy multiple Red Hat server images
• Unix system hardening with TCP wrappers, PAM, Kerberos, and syslog
• Created highly available systems with RAID and automatic failover

Confidential

Web development and testing, system administrator

Responsibilities:

• Constructed full-featured, web-based e-mail system using Horde, Postfix and IMAP
• Used PostgreSQL for back-end databases
• Performed all data backup and recovery
• Provided web security with SSL and log monitoring
• Generated security certificates (became trusted Certificate Authority)

Confidential

Vice President

Responsibilities:

• Microsoft IIS administration
• Administered Windows Server 2003 and Active Directory Services (ADS) systems
• Created XSL style sheets for converting XML data to HTML
• Hardware/software installation, maintenance and modification
• Deployed workstation images and performed backups with Veritas Backup Exec