Corey Johnson Email & Phone Number

Basking Ridge, Nj, Us

Responsible for several geographically distributed on prem data centers.Vmware Vsphere ESXi for on prem and hybrid cloud solutions using AWS, GCP, Linode etcLinux Administration and orchestrationPuppet configuration managementVendor management and budgeting and cost savings. Saved the business millions of dollars by consolidating vendors, optimizing data center footprint for power and space, and consolidation of software solutions.

Atlanta, Ga, Us

Altavista, Virginia, Us

- Design and on going support of enterprise grade multi-tenant hosting facilities using VMware on Cisco UCS blades mounting various storage technologies - NFS / iSCSI / SAN with Dell Compellent, EMC, NetApp, & Tintri.- Negotiating vendor contracts and equipment purchases to scale environment.- Working with clients on various capacity management issues from compute to storage needs and forecasting growth based on historical metrics.- Doing virtual cloud migrations from client site to internal private cloud.

Atlanta, Ga, Us

o Managing the Systems Administrations team and handling vendor relationships, contract negotiations, quoting of new network, storage & server hardware and support renewals of all critical infrastructure components.o Designed, configured, implemented and supported new high speed 10Gbps ISCSI & NFS storage using Dell Compellent SC8000 and FS8600 in Boston and Atlanta using VMware ESXi v5.5 using CentOS 6.6.o Installed, configured Cisco Nexus switches along with BigIP F5 2200 LTM load balancers.o Reduced hosting costs by 75% saving over $30,000 per month by consolidating two hosting facilities into one in Boston and reducing power per square footprint.o Replaced & upgraded all critical application and database (Oracle RAC & JBOSS) servers using VMware, Foreman & Puppeto Interfacing with clients to setup new VPN tunnels to our network infrastructure.o Participating on 24/7 on callo Ensuring all systems are redundant and highly available.o Tuning all aspects of the stack from network, server, OS, application, database and back-end storage.

Build, maintain and automate AWS instances (RDS, Elasticache, Apache, Couchbase)Support road map projects and developer initiativesTune system performance on the, systems, applications and database level.Ensure redundancy with high availability at all levels of the application stack.Perform after hours system & network maintenance.

Burbank, Ca, Us

o Supporting 8 PetaBytes of Isilon (EMC), DDN & NetApp storage along with related virtual servers & applications that stream assets (Movie Frames & Audio) directly in and out of the network infrastructure.o Responsible for tuning network performance on an 80Gbps backbone in order to service many requests simultaneously using Signiant and other media transport technologies.o Maintaining archival process and off-site storage of mission critical data.o Assisted in reorganizing all VMware ESXi hosts that run 400 virtual machines to promote redundancy across many racks and separate power circuits.o Securing systems with patch management and security audits and application upgrades.

El Segundo, California, Us

Defining new release management guidelines and policies for our aggressive release cycle.Optimize and Tune LAMP Application Stack for better Performance.Re-architect infrastructure for scalability and redundancy.Implement change management standards and best practices across all environments.Support high traffic websites (Mattel.com / Hotwheels.com / Monsterhigh.com etc) That get over 210 Million page views per month

Glendale, California, Us

o Sites supported: Disney.com, Family.com, Babyzone.com, Kaboose.com, Worldofcars.com etco Doing code releases to production and supporting QA Engineers & Developers during releases.o Supporting Tomcat, Apache, MySQL, PHP environments migrating existing environment to VM’so Doing security audits and remediation based on security scans and validation with Redhat & Windows.o Maintaining, securing & hardening RedHat & Windows servers on VMWare and physical hardware using HP servers.

o Migrated a 650 server data center into a larger environment with more room for scalability, and additional cooling and power capacity without incurring any downtime on the production site.o Managed the data center build-out from the ground up. From an empty room to a fully functioning data center while using BMC’s BladeLogic Provisioning & Configuration Manager.o Responsible for building and maintaining 24x7 uptime of Edmunds.com in a 650+ node RedHat Linux ES/AS v4 & v5 environment on Dell equipment and VMWare ESX v3.5.o Duties include managing projects for application migrations to new data center facility – coordinating DBA’s to shutdown databases, applications and web services; coordinating physical move of hardware; racking, cabling and testing environment before handoff to DBA/App teams.

Us

o Responsible for deploying new Linux and Windows servers – Physical and Virtual using VMWare ESX version 2 & 3.o Monitoring local resources (CPU/RAM/Disk/Network) for historical graphing.o Planning and designing network topology in an additional data center.o Migrating web sites to new infrastructure – which required moving equipment, racking servers, running power and network cables, configuring IP addresses etco Installing software on Windows and Linux servers (Apache, IIS, MySQL/MSSQL etc)o Working closely with developers on new application requirements.

Came back to Belay Development in Los Angeles after working at CNN in Atlanta. See below for details.

Atlanta, Georgia, Us

o Responsible for over 7,000 RedHat Enterprise Linux, Debian, FreeBSD, Apple OSX, Solaris 8, 9 & 10, AIX, Windows 2000/2003 servers. Monitoring disk space, uptime, load and averages in a 24/7 environment. Troubleshooting issues with Apache, MySQL, iPlanet, SSH, SendMail, DNS, TCP/IP, QMail, IIS, and other services.o Worked in the Network Operations Center. Monitored all servers using Netcool and other home-grown monitoring tools.o Racked and cabled servers and disk enclosures on a daily basis.

o Responsible for providing on-site server and desktop installation, configuration, administration and 24x7 support services for external clients, supporting environments of up to 200 of servers and 500 users. Installation, configuration and administration on many different workstation and server environments. Support responsibilities were 60% on-site, 40% phone support.o Administered, deployed and configured Active Directory, Microsoft Exchange 2000/2003, supporting up to 500 users. Managed web sites on IIS 5/6 with up to 300 websites. Performed operating system/hardware/software and security upgrades and patched applications. Responsible for network/system administration functions including add/delete users, clients, password resets, IP address allocation.o Network Installation, Configuration, support & troubleshooting: , Fiber Optics, GBIC, Gigabit, DSL / T1 Circuits, Cisco, Linksys, Netgear, D-link, Netopia, Belkin, SonicWall, and other firewalls, routers, switcheso Responsible for doing network security scans finding and applying latest patches and fixes to applications and operating systems.o Symantec AntiVirus Corporate Server and Client management, virus removal, and spy-ware removal.o Performed security preventative maintenance tweaks and troubleshooting, working closely with clients requirements in maintaining highest level of system security.

Dallas, Tx, Us

o Designed and implemented Gigabit Fiber storage area network (SAN) for doing enterprise level backups of over 1200+ production web servers and mission critical database servers.o Backup and recovery of over 350 priority-one iPlanet web servers and Oracle database servers (using BCV) over multiple network segments primarily using Veritas NetBackup.o Support and monitoring of Bellsouth.com and Cingluar.com applications (iPlanet Application Server, Netscape Application Server) among other various customer sites running Solaris 2.6 o Installation, configuration and administration of Veritas Netbackup Data Center 3.4 Master / Media Backup Servers within a large scale Sun Solaris Enterprise environment using Large Storage Management (LSM) Silos connected through an Automated Cartridge System (ACS) via fiber and Ethernet.o Installation, configuration and administration of Sun Solaris 2.6, RedHat Linux, & FreeBSD on Ultra5 workstations to Enterprise 6500 Sun hardware, and various X86 hardware.o Installation and maintenance of Tape devices and related fiber connectivity to server and clients for automated backups.