Supported internal customers with issues related to automated workflows, system configurations, and tool and service feature deployments.

• Compile reports for management using analyzed data gathered from team members• Install and administer Red Hat Enterprise Linux 6 and 7• Troubleshoot public facing applications which provide potentially life-impacting information to global customers• User account management using Puppet and Red Hat Directory Server• Puppet code management via GitLab• Migrate Satellite 5.8 from Red Hat Network Classic to Red Hat Subscription Management• Manage Satellite Proxy configuration• Coordinate with remote sites to improve inter-site functionality between Satellite server and Satellite Proxy servers• NetApp storage management via OnCommand interface and command line utilities• Utilize vSphere to manage installed servers and ESXi 5.6• Identify problem areas and offer suggestions for improvement• Interact with users to gain detail on system issues and potential solutions• Close trouble tickets in as timely a manner as possible to customer satisfaction• Submit change requests through mandated policies and procedures• Execute commands simultaneously across multiple servers utilizing cssh• Administered AIX servers• Configured AIX and RHEL for single sign-on using Kerberos, LDAP, and Samba• Managed EMC Isilon NAS storage using InsightIQ• Managed 3Par SAN storage using StoreServe Management Console• Racked/Unracked physical servers including power, Ethernet and fibre cabling• Scripted routine tasks in bash/ksh

• Designed and implemented virtualized and physical solutions on the CCIIO Affordable Care Act cloud-based PaaS project• Established operating system (OS) baseline to implement agency technical requirements and maintain compliance with agency and federal security regulations (NIST, HHS, IRS, DHS)• Improved server deployment efficiency by designing and implementing a RHEL-based Kickstart server with DHCP, PXE, and httpd, and scripted, post-OS installation configuration• Improved server security by deploying a Red Hat Satellite 5 solution for more efficient patch management as well as resolving IRS and GAO security audit findings• Successfully upgraded Satellite 5.4.1 to 5.7 in order to maintain service level agreements• Proactively reviewed platform solution then researched and provided technical documentation for solutions and procedural updates• Scripted routine operations using bash, Perl, and Ruby• Interacted with a wide variety of contractor end user administrators and developers to evaluate change requests against customer technical guidance, identify issues, and to help develop and deploy appropriate solutions• Mentored junior administrators allowing them to expand their knowledge, experience, and confidence