Warren Weiss Email & Phone Number

Own and operate a technical consulting firm specializing in the development, integration, administration, and continual improvement of cloud environments, operating systems, applications, and DevOps for clients in various industries.Key Accomplishments:• Supported the release of a global multimedia application for a client with effective administration of an AWS environment.• Created, configured, and currently administer Linux (Ubuntu and Almalinux) EC2 instances, VPCs and networking, and other critical infrastructure using Ansible and other tools for a current client.• Expanded the capabilities and footprint of AWS RDS/Aurora databases for a client.• Cultivated and maintained positive relationships with technical teams at client sites while collaborating on technical improvements, coordinating deployments, and providing ongoing support to technical environments and applications.• Served as the Senior System Administrator and DevOps Engineer for a major client to administer the AWS environment that supported global 24x7 technical operations.• Utilized Linux, Windows, Ansible, EDA tools, AWS services, Google SSO, NoMachine, Git, SVN, Zabbix, Cloudwatch, and other technology to create and administer Linux and Windows, maintain EDA tools, administer a NoMachine server and node cluster, administer an IBM Spectrum Load-Sharing Facility (LSF) cluster, and administer SVN, Github, and Gitlab version control repositories for a key client.• Established an automated EC2 instance snapshot backup and recovery method for a client as well as a file system backup and recovery system using AWS DataSync and synchronization tools.

Englewood, Co, Us

Administer Linux servers and a series of LAMP applications in a 24x7 production and development environment.Key Accomplishments:• Build, configure, and maintain CentOS 5.x and 6.x and Windows servers in a 24x7 production and development environment hosted in VMware.• Configure and maintain MySQL, Oracle RDBMS, and MongoDB databases for a variety of applications.• Build, configure and maintain the Atlassian application suite; Bamboo, Confluence, Crowd, Fisheye/Crucible, Stash, and Jira.• Maintain, troubleshoot, and periodically deploy updates (primarily with Bamboo) to a complex LAMP (and LAOP) application structure.• Installed, configured, and maintain Git and Subversion repositories.• Installed, configured, and maintain Salt, Ansible, Up.Time, and Nagios to manage, update, and monitor the server infrastructure. Currently migrating from Puppet to Salt and Ansible for infrastructure CM and to deploy applications.• Installed, configured, and maintain Apache Solr servers to optimize search in the LAMP environment.• Installed, configured, and maintain Samba.MySQL

Colorado Springs, Co, Us

Administered Linux and Windows servers, workstations, and desktops in a scientific computing environment.Key Accomplishments:• Implemented a single-signon capability and integrating Linux servers and workstations into a MS Windows Active Directory using Quest Software’s Quest Authentication Services (QAS).• Implemented a System Management capability for Linux servers and workstations into a MS Windows Active Directory utilizing Quest Xtensions for QAS.• Installed a Linux Anti-Virus solution using McAfee and integrated it into the ePolicy Orchestrator (ePO).• Implemented a Host-based Intrusion Prevention System (HIPS) also under the ePO umbrella.• Pursued a logging and audit system utilizing ArcSight.• Implemented a system-imaging solution to permit a rapid Bare Metal Restoration capability using TeraByte's Image for Windows and Image for Linux..Environment: Red Hat Linux, Windows 2003 and 2008 Server, MS Active Directory, VMWare ESX, Hyper-V, MS SQL Server, Kickstart, samba, Big Brother