PROFESSIONAL EXPERIENCE:

Confidential

Sr. Principal Cloud Systems Engineer

Responsibilities:

• Member of a cross - functional, geographically distributed team responsible for rebuilding/deploying on-premise applications to the cloud and offering as a service.
• Architected, deployed and maintained virtual environments for dev, test, Integration and staging.
• Automated deployment of Infrastructure services using Chef (DNS, SMTP, Chef Server ...)
• Automated Application deployment using Chef (Weblogic, DB, OHS, Soa Suite, Enterprise Manager...) worked with Operations team to evaluate, test and deploy new Infrastructure tools.
• Evaluated and deploy virtual environments for evaluation and testing of Kubernetes, K8s, Docker, Docker Swarm)

Technical Environment: Linux 6 & 7, Weblogic 11g & 12c, Enterprise Manager 13c, Chef, Chef Server, Confidential Cloud, Kubernetes, Docker, CiCd, Devops

Confidential

Principal Engineer

Responsibilities:

• Architected, installed and configured an HA private cloud using OpenStack on equipment provided by Rack space.
• Provided 24x7 support on Openstack and VMware environments
• Migrated all existing development, QA and staging environments from stand-alone hardware in multiple locations into the OpenStack private cloud, AWS and RackSpace.
• Responsible for creating a fully automated build/deployment process for all platforms. This process automated the following using API calls and CHEf in a single execute action:
• Provision resources to VM and build OS (Supports multiple hypervisors--VMware, OpenStack, EC2, AWS)
• Configure networking and system components (hosts, resolv.conf, nic’s,routes…etc)
• Harden systems per security guidelines
• Install application software based on hostname passed at execution (fe-server-a apache, memcached, libevent, openssl,php)
• Configure application configs using templates stored in chef. Using variables inside the templates enable a single set to be used for all environments( dev, qa, prod) deploy application code from SVN or Archiva based on revision
• Create users and sudo access
• Install ssh keys
• Install Certs
• Install monitoring client
• Provide 24x7 support for all TechOPs activities and applications
• Responsible for building and maintaining all DNS servers both internal and external
• Responsible for building/configuring/maintaining multiple F5 load balancers in each environment.
• Installed lab environment for testing new software or architecture changes

Technical Environment: CentOS OpenStack, AWS, MySQL,DHCP,CHEF,SVN, FTP, TCP/IP, DNS, NFS, GoGrid, RackSpace, F5, Apache, Tomcat, Solr, BigIPve, BigIP

Confidential

Sr. Systems Engineer

Responsibilities:

• Performed as Senior Systems Engineer responsible for all aspects of the development, QA, Staging and Production environments including F5 Load Balancer, DNS, NTP, DHCP,Kickstart,AWS, GoGrid, RackSpace,Capacity planning, overall Architecture
• Migrated existing development environments from Fla datacenter to a public cloud solution (GoGrid and AWS)
• Responsible for architecting/building/maintaining a private cloud environment in RackSpace for Production consisting of 2 F5’s, 10 CentOS Apache servers, 25 CentOS Tomcat servers and 9 CentOS/MySQL servers.
• Responsible for architecting/building/maintain QA and Staging environments in Colo using a mix of R410, R610, Dell 4100, and Dell 1950’s

Technical Environment: CentOS VMWARE, MYSQL,DHCP,Kickstart, FTP, TCP/IP, DNS, NFS, Puppet, GoGrid, RackSpace, F5, Apache, Tomcat, Solr, MySQL

Confidential

Sr. UNIX Systems Admin

Responsibilities:

• Performed as Senior administrator responsible for all aspects of the development and QA environments including DNS, NTP, DHCP,Kickstart, Jumpstart,Capacity planning, overall Architecture
• Built and maintained over 10 development environments consisting of over 200 servers
• Performed as the Lead on the project to migrate all servers from Solaris to CentOS.
• Rebuilt and migrated all environments from stand alone servers to virtual servers using vmware
• Racked/Unracked hardware as needed
• Performed New system rack/build for Solaris using Jumpstart and manual builds
• Performed New system rack/build for CentOS using Kickstart and manual builds
• Actively did performance tuning of the servers as it related to the applications performance
• Looked at the sizing factor of the systems as it related to capacity
• Worked with Development team to install and maintain all software including Tomcat, Apache, Jboss
• Performed patching on all servers
• Performed the Upgrades on Netbackup to 6.0 mp4
• Performed the Installation and configuration of Netbackup Operations Manager
• Assisted the DBA’s with database installations, upgrades, troubleshooting (MySQL)

Technical Environment: Solaris (T2000, 6800, 890, 450, 280, ), EMC, VXVM,VCS, FTP, TCP/IP, DNS, NFS

Confidential

UNIX Systems Admin

Responsibilities:

• Served as the Senior member of the Unix Systems Build Team. As a member of the team projects are assigned as either a new build or vtier only build. Responsible for all installation and configuration of the servers prior to handing over to the run teams.
• Actively did performance tuning of the servers as it related to the applications performance
• Analyzed if there were bottlenecks and the application speed of the transactions
• Performed new system rack/build for multiple SUN models
• Performed new OS installation via jumpstart server
• Performed Installation of current patch bundles
• Configured shared storage
• Created vtiers
• Performed Installation and configuration of VCS, VXVM
• Installed and configured HBA’s
• Created/resized volumes as needed using VXVM
• Installed and configured EMC PowerPath
• Performed Daily system Monitoring and user administration until hand off

Technical Environment: Solaris (T2000, 6800, 890, 450, 280, ), EMC, VXVM,VCS, FTP, TCP/IP, DNS, NFS,.

Confidential

UNIX Systems Admin

Responsibilities:

• Performed as senior administrator responsible for all levels of support on 70+ Solaris servers.
• Performed as the Lead on the project to upgrade all servers from Solaris 8 to Solaris 10.
• This involved using Live Upgrade (creating alternate boot environment and upgrading it) and straight server rebuilds.
• Actively did performance tuning of the servers as it related to the applications performance
• Analyzed if there were bottlenecks and the application speed of the transactions
• Looked at the sizing factor of the systems as it related to capacity
• Performed New system rack/build for v890 and T2000’s
• Performed Quarterly patching on all servers
• Performed the Upgrades on Netbackup to 6.0 mp4
• Performed the Installation and configuration of Netbackup Operations Manager
• Assisted the DBA’s with database installations, upgrades, troubleshooting (Sybase)
• Worked with the SAN group on new shared storage to configure new storage on servers
• Installed and configured HBA’s
• Created/resized volumes as needed using VXVM
• Installed and configured EMC PowerPath
• Performed Daily system Monitoring/user administration

Technical Environment: Solaris (T2000, 6800, 890, 450, 280,) EMC, NOM, VXVM,Veritas Netbackup, FTP, TCP/IP, DNS, NFS,.

Confidential

Unix System Administrator

Responsibilities:

• Responsible for all levels of support on Solaris servers ranging from the 15k"s and 6800"2 to 240"s. Installed and managed STK robotic libraries (9740, L700, L180) with Veritas Netbackup 4.5 and 5.0.Installed, configured, and administered Veritas Cluster (10 nodes).
• Responsible for maintaining the Atlanta SAN consisting of 1 emc connectrix, 1 Centera, and 1 dmx-3000-m2.
• Administration duties involved installation and configuration of new servers, upgrades ( Netbackup, VCS, Solaris, Linux, VXVM), patching, drive replacement, migrations, backups and restores.

Technical Environment: Solaris (15K, 6800, 3500, 4500, 280, 240),Linux, EMC, STK (L700, 9740, L180), VCS, VXVM,Veritas Netbackup, FTP, TCP/IP, DNS, NFS,.

Confidential

Responsibilities:

• Responsible for all levels of support for enterprise level application running on AIX4/websphere 4.0.
• Managed 9 pipelines from testing life cycle through production
• Responsibilities included building new pipelines, upgrading and maintaining existing, validating pipelines, coordinating new code deploys using BART, troubleshooting and problem resolution.
• Provided 24/7 support for all pipelines including Websphere 3.5/4.0, IHS, DB2, AIX4.0/5L, and MQSeries.

Confidential

Unix System Administrator

Responsibilities:

• Responsible for all file system support using LVM (Logical Volume Manager).
• Handled all kernel rebuilds, 3rd party software installation including Informix, DB2.
• Installed Patches as needed. Wrote sh, ksh, perl scripts on demand for various problem resolutions.
• Provided 7/24 on-call support.
• Assumed role as SME (subject matter expert) for Compulert. Installed and configured agents on Solaris, HP, and NCR Servers. Worked with DBA"s to fine tune database monitoring.

Technical Environment: Solaris, AIX, NCR MPRAS, Compulert, Informix, DB2, LVM, NFS, DNS, TCP/IP, BMC Patrol, FTP, sh & ksh shell scripting, PERL Webshpere MQ, MQSI

Confidential

Lead System Administrator / Team Lead

Responsibilities:

• As the lead administrator for this 40+ employee company, he worked with management to redesign and upgrade the server and workstation environment.
• Installed and configured 2 RS/6000 AIX servers, 2 Solaris 280 servers.
• Worked with Cimplebill developers to migrate the application from a Novell 3x and HP environment to AIX 4.3.3..
• Installed and configured Apache web server on production servers and installed and configured Websphere on development box for evaluation.
• Responsible for sys admin on all servers (NT, W2k, Solaris 8, AIX 4.3.3), including network administration, software installations, patch administration, troubleshooting, performance metric gathering
• Worked with Tivoli admin to install and configure Tivoli for monitoring on multiple platforms.
• Provided technical team lead duties and technical expertise related to process and procedures.
• Provided application support, validating and enhancing scripts and other code identified though problem management tools.

Technical Environment:: Solaris, AIX, HP/UX, Novell 3x, Windows NT, Websphere, Windows 2000, Apache, Tivoli, DHCP, MS Exchange, NFS, DNS, TCP/IP, FTP, Ksh shell scripting