SUMMARY

• Over 8 years of experience wif Linux (RHEL/CENTOS 4,5,6 and Ubuntu 9,10,11,12) in mid - to large-scale environments.
• Over 6 years of experience wif Windows (2000, 2003, 2008) Server and Desktop (2000, XP, 7) in mid- to large-scale environments.
• Over 4 years of experience wif virtualization (VMware ESX, KVM, Citrix XEN, RHEV and AppLogic).
• Over 4 years of experience wif SAN and NAS technologies greater TEMPthan 30TB in size wif an emphasis on customer data security (PCI-DSS and HIPAA).
• Strong noledge of server design, installation, troubleshooting, performance tuning and maintenance.
• Experience wif automated installation technologies (e.g. PXE, kickstart, MAAS and cloud-based strategies such as Capistrano).
• Experience working in Cloud environments such as Rackspace and Amazon AWS through their API in ruby and bash.
• Strong scripting skills in bash, ruby, python and proven ability to learn additional languages on a project-need basis (past examples include perl, C, VB and python).
• Project management experience using MS Project and various line-of-business applications.
• Strong communication skills and documentation habits using wiki (e.g. Media Wiki or Confluence) as well as Sharepoint.
• Experience designing and deploying backup solutions for virtualized and physical environments.
• General noledge of networking (subnets, VLANs) and experience configuring Cisco and Juniper switches and routers.

PROFESSIONAL EXPERIENCE

Sr. Platform Engineer

Confidential, Chattanooga, TN

Responsibilities:

• Assess, identify and remediate security vulnerabilities in Red Hat Enterprise Linux (RHEL) and CENTOS servers.
• Design, plan and build open source infrastructure on AppLogic virtualization platform as part of larger data center moves.
• Write bash and ruby scripts for systems automation.
• Troubleshoot MySQL database issues in large master-master and master-slave cluster configurations.
• Identify security and performance issues in relational database schema.
• Troubleshoot and repair issues in VMware ESX 4, 5 vCenter clusters using EMC and Hitachi storage.
• Experience wif ServiceNow.
• Identify and work wif network engineers to repair VLAN and other network issues.
• Provide mentoring for junior team members wif respect to Linux administration.
• Fix issues surrounding DRBD replication between NFS servers.
• Fix issues involving Apache and NGINX web servers in a secure PCI/HIPAA environment.
• Identify and repair issues involving SPLUNK and SYSLOG services.
• Write noledge base articles and other documents intended to halp junior staff perform more advanced tasks.
• Setup a NeXpose/Metasploit server for vulnerability analysis. Developed custom scripts for security audits in addition to the functionality provided by off-the-shelf tools.
• Performed patch management duties in conjunction wif the information security team.

Sr. Systems Administrator

Confidential

Responsibilities:

• Managed a globally distributed environment of RHEL, CENTOS Linux and Windows server systems.
• Design Single Sign-on Linux solutions, integrating wif Windows Active Directory, using winbindd, LDAP and Kerberos.
• Create LAMP-based game metrics web application for real-time viewing of user activity.
• Install, configure and maintain multiple MySQL and PostGreSQL database servers.
• Ensure security of the corporate and public environments; perform periodic audits (using tools such as nmap, tshark, wireshark and custom scripts to verify the integrity of game software.
• Develop, review and revise disaster recovery plans.
• Participate in weekly engineering meetings to resolve outstanding development/infrastructure issues.
• Pursue high availability for game systems through design and retrofit of existing solutions. Implement fault-tolerant storage using iSCSI (tgtd) and database clustering.
• Maintain network infrastructure (Cisco Catalyst switches/Cisco ASA router/firewall).
• Create complex virtualized “sandbox” development environments using VMware ESX.
• Install and support VMware ESX environments (VMotion).
• Write automation scripts for various processes, including QA testing.
• Install, configure and maintain DNS (bind9, MS Active Directory DNS).
• Establish system management and monitoring scripts to integrate services wif Zabbix monitoring software using Perl, python, bash and php.
• Install/manage backup tape library.
• Establish corporate yum repository.
• Deploy build automation system (Jenkins).
• Deploy highly available, multi-AZ Amazon EC2/VPC/RDS/VPN solution.
• Write deployment/support documentation for support teams.
• Assumed additional software development duties to compensate for reduced workforce, working wif Projects included the design, deployment and maintenance of a highly available (HA) Linux application using Ruby on Rails, MySQL and Node.js based on Amazon AWS cloud services deployed using Capistrano and the aws-sdk.
• Demonstrated ability to deploy New Relic monitoring service, Amazon CloudWatch, Zenoss and to configure Amazon EC2, VPC, RDS and VPN technologies.

Systems Administrator

Confidential

Responsibilities:

• Re-design existing network topology to improve security, stability and scalability, including the design of a redundant co-located data center facility.
• Deploy Cisco 2911 routers to replace existing Linux-based gateways and establish a DMZ separate from the internal corporate network.
• Design, test and implement a low-cost iSCSI cluster using DRBD and both Ubuntu 10.04 and RHEL 6.
• Coordinate a SAMBA/LDAP upgrade, working wif Red Hat Consulting Services.
• Advise Director of Information Technology on best practices, document procedures and work to move ISA away from bare-metal and toward a virtualized environment using Linux KVM virtualization.
• Deployed Juniper 4200 switches for high-speed storage network, redesigned IP topology, improved switch layout using 10Gbps backbone links at the MDF rather TEMPthan the existing 1Gbps up link.
• Deployed and tested Arkeia disk and tape library backup solution.
• Demonstrated clear noledge of PostgreSQL, MySQL, LAMP, Squid, Linux-HA clustering, SAN/iSCSI.

Project Manager / Product Designer

Confidential

Responsibilities:

• Devised, designed and managed development of a next-generation software and hardware platform in exchange for an equity stake in the outcome.
• Used Ubuntu Linux, PHP, Python, C and JavaScript (Ext-JS) to build peer-based, distributed Network Monitoring System (NMS) intended for rapid, low-cost scalability.
• Demonstrated proficiency wif SYSLOG, ICMP, open-source systems design.
• Designed and implemented e-commerce platform to support device sales using PHP on a LAMP stack.
• Demonstrated a solid understanding of the OSI reference model, IPv4 subnets, addressing and VLANs.
• Deployed core infrastructure in cloud hosting environment.

Consultant (Team Lead / Project Management / Field Engineer)

Confidential, Austin, Texas

Responsibilities:

• Provide engineering-level technical and project management services to small and mid-size business clients (5-500 users) throughout Central Texas, including two (2) hospitals.
• Develop company infrastructure, policy and procedure. Implemented team-lead organizational structure.
• Create and participate in 24x7 on-call schedule.
• Install, manage and troubleshoot N-Able Network Monitoring service for clients.
• Demonstrate proficiency wif Connectwise.
• Perform hands-on technical interviews of prospective employees.
• Experience wif CENTOS Linux, Ubuntu Linux and BSD hosting environments, including IPtables, SELINUX, bind, Apache and PHP.
• Troubleshoot and oversee the development of client websites using HTML/CSS, JavaScript and PHP in LAMP environments. dis included Joomla, Drupal and Wordpress driven sites.
• Experience installing, configuring, troubleshooting and optimizing Windows Active Directory and Exchange Servers, Cisco routers and switches, Wideband switches, Microsoft Exchange, Microsoft SQL Server, Microsoft Sharepoint.
• Install, configure and work wif vendors to implement line-of-business applications, including Optos, ProQuest, ADP W.E.B., RMS, Reflections, Officemate.
• Develop custom software solutions for clients in Visual Basic (VB.NET).
• Developed client ticket interface for Connectwise using VB.NET which ran as system tray icon (service) on user systems to allow quick diagnostics.

TECHNICAL SITE LEAD

Confidential

Responsibilities:

• Engaged as part of a Team of “Road Warriors” who were charged wif managing complex PC implementation for major national brokerage firm.
• Specific tasks and responsibilities included: Direct management of crews of up to 12 to install up to 150 units over the weekend.
• Process included data transfer, asset management and application loading.
• Assisted in developing procedures for CRM (ACT / Fact) mapping and troubleshooting.
• Recognized by assignment to most difficult sites and serving as remote technical support.

Owner/Lead Engineer

Confidential

Responsibilities:

• Deliver outsourced technical services and on-site leadership for businesses in the form of small teams of usually 3 to 6 persons, assigned to specific project roles.
• Services included project-based staff augmentation to install, configure and troubleshoot TCP/IP networks under IPv4.
• Support a mix of Windows, Linux (Red Hat, SuSe) and Macintosh (OS-X) systems, integrating these systems into a common Microsoft Active Directory or Linux Samba/LDAP infrastructure.
• Deploy geographically decentralized 802.11a/b/g networks using RADIUS and WPS wireless provisioning to centralize user administration.
• Troubleshoot and install customer applications.Develop automation scripts to reduce overhead.
• Make recommendations to increase productivity, reduce IT costs and ensure network security.
• Manufacture, install and train client staff on the use of new equipment.Monitor systems remotely using SNMP.
• Deliver outsourced technical services and on-site leadership for larger organizations in the form of small, usually 3 to 6 man teams assigned to specific projects.
• During 2006, these projects included the migration of over 8,000 PCs, the repair of over 3,000 Dell motherboards and the installation or repair of 30 HP multifunction printers.
• Develop scripts in PHP, VBscript, DOS batch and other languages to automate domain migration processes.
• Write and execute test plans for pre-deployment work. Demonstrated experience wif Microsoft Exchange 2000, 2003.

Test Engineer

Confidential

Responsibilities:

• Work independently to perform hardware and software testing on HP ProLiant servers, software and storage devices, submitting detailed bug reports and diagnostic information to the client’s developer teams.
• Coordinate and develop processes for the ‘Minimal Assurance Testing’ (MAT) project.
• Inspect bug reports submitted by other employees to ensure each report used proper grammar, spelling and had sufficient detail to reproduce a reported issue.
• Write test cases for other technicians to ensure all features, configurations and supported systems were tested wif a minimal amount of effort.
• Demonstrate proficiency wif Windows 2000, Windows 2003 Server, Red Hat Linux, SuSe Linux, and HPUX.