Systems Applications Architect/devops Engineer Resume
Lord Baltimore, MD
SUMMARY:
UNIX/LINUX System Administration and Engineering (RedHat Linux, Solaris and AIX), System security and management, filesystems management, Hardware/Software Break - Fix, VERITAS (cluster suite, filesystems), Net Back-Up, Cluster Servers, Patch Management, Performance Management, Virtual and cloud computing, VMware, Vsphere, AWS and MS Azure DevOps and cloud automation experience (Git Hub, uDeploy,Puppet, JENKINS, Chef), Excellent Technical and Interpersonal Skills. Proactive and Performance driven professional with 9+yrs of progressive expertise in leadership, problem solving and risk management for various systems listed below
TECHNICAL SKILLS:
Software: Solaris 9,10,11 RedHat Linux, CentOS, Confidential AIX, Irix 6.5, NT server 4, Windows 2000 professional, Windows XP, Windows NT 2003 server, VERITAS Volume manager, VERITAS Netbackup, Legato Networker, Apache, PhP, SSH, TCP-Wrappers, Sudo, Tiger, Perl, Shell, Awk, Oracle 9i OOP (Object Oriented Programming), Oracle, MS SQL Server, Oracle Exadata, MS Access, UNIX, Windows NT, and MYSQL under Windows/Unix, CA wily (Introscope and CEM), Teamviewer, VMware, VSphere4, F5, LAYER 7 XML GATEWAY, New Relic, Nagios, Tivoli & Confidential Endpoint Manager (BIG FIX),Oracle Access Management (OAM. OIM, OID), JBOSS, Marklogic (NoSQL), Splunk, PUPPET, CHEF, Jenkins, uDeploy,SSH, Linux, Oracle, Solstice Disksuite, TRIPWIRE, NESSUS, Korn Shell, Apache Sun, VERITAS, tcp wrappers, Oracle, BSD, CISCO, BMC Remedy ITSM, BMC Patrol, BMC ProactiveNet Performance Management, JIRA, Confluence
LANGUAGES: Shell Programming (bash, Korn Shell), Sudo, Java, JavaScript, Visual Basic, C/C++, HTML, COBOL, PERL, ADA, RPG, Crystal Report, and PASCAL
PROFESSIONAL EXPERIENCE:
Confidential, Lord Baltimore, MD
Systems Applications Architect/DevOps Engineer
Responsibilities:
- Currently working as a solutions architect for the Fraud Prevention Systems for CMS.
- Setup Nagios monitoring
- Monitoring via Nagios (NRPE)
- Improved Nagios health check scripts
- Installation, configuration and set up of Splunk and Management of Deployment Server
- Creating advanced alerts, dashboards and reports in splunk
- Creating users and assigning roles in splunk
- Adding logs and data into splunk
- Deploying and configuring splunk forwarders on application servers using puppet
- Configuring splunk user role through LDAP intergration
- Troubleshooting forwarders on end machines
- Troubleshooting Log validation
- App installations on Splunk
- Experience with Regulars Expressions and SPL
- Connecting and indexing data from relational database such as Oracle DB2
- Editing props and transforms to route data to an index based on hosts
- Analyzing splunk with SOS application
- Store, manage and ensure availability of historical data to satisfy retention policies by source
- Administer and maintained source code repositories like GIT
- Server Configuration management via Puppet
- Continuous intergration and continuous delivery tool set using Jenkins
- Building Infrastructure, deploy chain and process using AWS, docker and GCE
- System orchestration via Ansible
- Advanced MySQL replication hierarchies
- Replication integrity testing via pt-table-checksum
- Troubleshooting aspects of uDeploy / uRelease operation and installation
- Migrated a number of shell scripts that supported deployment and configuration of multiple application to uDeploy (Urban code) to reduce administrative overhead of val and production releases
- Maintained and modified a number of custom deployment shell scripts to support multi-tiered (dev,impl, and prod) test environments.
- Parameterizing environment specific properties to reduce redundancy in environment configurations.
- Wrote Java MySQL proxy with query cache support
- Multi-master MySQL setup over 8 servers
- Capacity planning, Bottleneck identification
- Networking improvements targeting latency
- Tomcat high availability via Keepalived
- Experience in the management of all phases of application lifecycle and best practices of design, including installs, development, testing and deployment
Confidential, Columbia, MD
Infrastructure Engineer/Sr. Systems Engineer
Responsibilities:
- Monitoring production, test and implementation activities for CMS Health Information Exchange. Configuration and monitoring of network and server agents for reporting and automated alerts
- Installation and configuration of monitoring agents for network and operating system
- Redhat Linux and Oracle Linux installation, configuration and monitoring
- JBoss installation and management
- JBoss configuration and monitoring
- Creating and validating user accounts
- Troubleshooting network and server issues
- Monitoring and Managing Oracle Enterprise Manager, Oracle Access Manager, Oracle Identity Manager, and Oracle Virtual Directory
- Troubleshooting issues with server access to VM servers
- Creating and managing user access to the DEV, PROD, IMPL, and TEST Environments
- Configuration, management and monitoring of Layer7 XML GW
- Configured XML API Gateways and Cisco Reactivity tools.
- Also worked on AWS cloud computing platform (Virtual Private Cloud)
- Design and build of core platforms
- Server configuration management via puppet
- Automated deployments using CloudFormation
- Migrated Key systems from Verizon Terramark hosting to Amazon Web Services
- Functional, non-functional and performance testing of key systems prior to cutover to AWS
- Installed and Configured F5 load balancer’s in round robin mode to manage incoming requests on Prod, IMP and DEV servers
- Monitoring spikes F5 Logs
- Creating firewall rules for F5
- Implemented HA Solutions using F5 load balancers for load balancing the production environment
- Creating change to F5 pool members
- Changing Least Connections (Member) load balancing algorithm from round robin to persistent iRule creation on F5 big IP
- Marklogic Server design and implementation work, including XQuery and XSLT
- Monitoring with Marklogic
- Monitoring with Splunk
- Configured splunk for log monitoring, log rotation and predictive monitoring
- Migrated splunk config file to multiple remote servers
- Configure remote access to splunk
- Enabled Log debugging in splunk
- Troubleshoot with splunk search quotas, monitor inputs, WMI Issues, Splunk crash logs and alert scripts
- Using Puppet to deply and manage Jboss and Java applications across Linux servers in PROD,TEST, IMPL and DEV environments
- Create Puppet automation to manage configuration and deployments of new applications.
- Knowledge of Medicare and Medicaid Services
- Wrote puppet manifests for deploying, configuring and managing collected for metric collection and monitoring
- Operate and analyze results from enterprise detection systems such as Tripwire
Confidential
Lead Remote Linux Admin
Responsibilities:
- Provide Support to clients running on Linux and AIX environments.
- Troubleshooting remote console connection problem in VMware server.
- Upgrading virtual environment ESX 4.0 to ESX 4.5 and Virtual Center 4.1 to 5.1
- Vcenter Server 5.1 Administration
- Deploying VMware View 4.5. Installing, configuring and troubleshooting VMware
- Using storage vMotion to migrate a virtual machine with many disk timeout
- Administer and troubleshoot apache webserver issues
- User Account management
- Working in a zLINUX Cloud environment, supporting RHEL 4 and 5 server instance and SuSE 10.
- Bounce servers on the enterprise environment
- Troubleshooting connectivity issues with the BigIP and other IP related problems
- Configured, implemented and maintained hardware RAID storage technology on RAID controllers and disk storage shelves.
- Utilized kickstart and ignite for systems builds/recovery
- Organized and created scrum sessions with team to get updates on tasks and provided necessary training to my team to help improve customer and stakeholder satisfaction
- Interfacing with Clientele and Customers as an SME
- Implementation, installation and support of Identity Management Solution for Confidential Global Services Customer.
- Implementation of Tivoli Identity Manager and Access Manager Solution
- Configuration of Websphere, DB2 and HTTP applications in conjunction with TIM and TAM implementations
- Installation and Configuration of Confidential Directory Server (LDAP)
- Installation and configuration of Layer 7 XML GW and configuration of XML APIs
- Implemented Tivoli Directory Server Load Balancing and Failover for Tivoli Access Manager
- Setup and Installed TAM Server on Linux OS
- Designed TAM Server Load Balancing and fail over
- Retrieved and Modified LDAP details.
- Managed Exadata Migratio, Data Encyption on Network
- Implemented data/database migration from Solaris to Linux also Migrated Exadata X3 to X5 using standard RMAN process
Confidential, Jersey City, NJ
Sr. Unix Admin
Responsibilities:
- Worked on setting up ssh key remediation for Deutsche Bank
- Setting up and configuring monitoring host (Nagios3.4.1)
- Creating scripts to run on monitoring hosts to check load capacity on verbose
- Development of NFS scripts to change key ownership permissions
- Creating NFS Tables
- Creating Scripts to update NFS servers
- Testing early version from sshd config verbose mode update script on SUSE, CentOS and Solaris
- Creating and testing NFS scripts
- Created scripts to copy public key to UKM managed hosts
- Solaris 11 installs and configuration worked on Zone configuration and ZFS file systems
Confidential, Bartlesville, OK
Sr. Linux/AIX Analyst (Contract)
Responsibilities:
- Built out Linux servers in a span of 3weeks with a team of other analysts
- Also built out 6 T5120 sun servers to run in the same environment
- Work on maintaining and supporting the servers after build
- Used the remedy ticketing system to troubleshoot and resolve issues with the servers such as mount point issues
- Provide support to high end Linux AIX and Sun servers running on Solaris 10 and Redhat enterprise version 5and 6.5 and AIX 5.3, 6.1 and 7
- Troubleshoot issues on Solaris
- Configured MAS clients for EMEA Associates (DMZ Access)
- Bounce servers on the enterprise environment
- Troubleshooting connectivity issues
- Configured, implemented and maintained hardware RAID storage technology on RAID controllers and disk storage shelves.
- Utilized kickstart and ignite for systems builds/recovery.
- Worked with network configurations to include knowledge of switches and firewalls.
- Administered user accounts and passwords
- Maintain system accounting files and logs and systems error logs.
- Installed, configured and maintained VERITAS Volume Manager, VERITAS File System, VERITAS Clustering and other products within VCS suite.
- Installed and implemented new patches to the Solaris/Linux operating system software
- Worked on automount issues
- Replacing a damaged physical disk and a damaged flash card
- Troubleshooting remote console connection problem in VMware server.
- Upgrading virtual environment ESX 4.0 to ESX 4.5 and Virtual Center 4.1 to 5.1
- Deploying VMware View 4.5. Installing, configuring and troubleshooting VMware
- Using storage vMotion to migrate a virtual machine with many disk timeout
Confidential
Sr. Systems Administrator/Consultant
Responsibilities:
- Provide support to various high end Linux AIX and Sun servers running on Solaris 8, 9 and 10 and Redhat enterprise version 3,4,5 and 6 and AIX 5.3 and HP-UX servers
- Provided support for SuSE 10 Linux on z/VM and Solaris 9.
- Performed monitoring with Confidential Tivoli Business Manager, CA Wily, and a lot of other monitoring systems
- Configured, deployed and implemented CA wily Introscope 8.2
- Troubleshoot and fixed Tivoli and Confidential endpoint issues ( Confidential big fix)
- Worked with Tivoli Storage Manager
- Verify database backups are completed successfully, and running in a timely manner
- Checked the Status of storage pool for adequate space
- Verified all admin tools ran correctly, migration, reclamation
- Checked for failed and missed backup
- Troubleshoot issue with SAN on Solaris
- Bounce servers on the enterprise environment
- Troubleshooting connectivity issues with the BigIP and other IP related problems
- Configured, implemented and maintained hardware RAID storage technology on RAID controllers and disk storage shelves.
- Utilized kickstart and ignite for systems builds/recovery.
- Configured and implemented network interfaces using a variety of network topologies such as FDDI and token- ring.
- Worked with network configurations to include knowledge of switches and firewalls.
- Administered user accounts and passwords
- Maintain system accounting files and logs and systems error logs.
- Installed, configured and maintained VERITAS Volume Manager, VERITAS File System, VERITAS Clustering and other products within VCS suite.
- Installed and implemented new patches to the Solaris/Linux operating system software.
- Installed layered system software such as ORACLE, Weblogic etc. On client/server platform
- System performance tuning and monitoring using HP Glance Plus and Perfview
- Configure and maintain Integrity of Virtual Machines running on HP-UX 11.31
- Used Confidential lotus to integrate email and calendaring
- Worked on subnet, VLAN and NIC issues
- Worked on automount issues
Confidential, Laurel, MD
Remote Linux Admin (Independent Contractor)
Responsibilities:
- Provide Support to clients running on Linux and AIX environments.
- Troubleshooting remote console connection problem in VMware server.
- Upgrading virtual environment ESX 4.0 to ESX 4.5 and Virtual Center 4.1 to 5.1
- Deploying VMware View 4.5. Installing, configuring and troubleshooting VMware
- Using storage vMotion to migrate a virtual machine with many disk timeout
- Administer and troubleshoot apache webserver issues
- User Account management
- Bounce servers on the enterprise environment
- Troubleshooting connectivity issues with the BigIP and other IP related problems
- Configured, implemented and maintained hardware RAID storage technology on RAID controllers and disk storage shelves.
- Utilized kickstart and ignite for systems builds/recovery
- Troubleshooting connectivity issues
- Configured, implemented and maintained hardware RAID storage technology on RAID controllers and disk storage shelves.
- Utilized kickstart and ignite for systems builds/recovery.
- Worked with network configurations to include knowledge of switches and firewalls.
- Administered user accounts and passwords
- Maintain system accounting files and logs and systems error logs.
- Installed, configured and maintained VERITAS Volume Manager, VERITAS File System, VERITAS Clustering and other products within VCS suite.
- Installed and implemented new patches to the Solaris/Linux operating system software
- Worked on automount issues
- Replacing a damaged physical disk and a damaged flash card
- Troubleshooting remote console connection problem in VMware server.
- Upgrading virtual environment ESX 4.0 to ESX 4.5 and Virtual Center 4.1 to 5.1
- Deploying VMware View 4.5. Installing, configuring and troubleshooting VMware
- Using storage vMotion to migrate a virtual machine with
Confidential, New York, NY
Sun Systems Administrator
Responsibilities:
- Installed configures and maintained Sun Solaris and Linux Red Hat Servers
- Installed Solaris 9, 10 and also installed Red Hat Linux 8
- Setup user accounts and managed them
- Performed network configurations on the servers
- Performed Patch administration
- Administered Apache Webserver
- Customized user environment for users
- Administered User accounts on Red Hat Linux
- Troubleshoot/fix NFS, TCP/IP, Netbackup issues
- Administered NFS on Sun, RedHat, and Linux server.
- Troubleshoot network connectivity issues
- Customized user environment for users
- Administered User accounts on Red Hat Linux
- Worked and installed OEL (oracle enterprise linux)
- Installed Veritas including (Volume manager, filesystems and cluster servers)
- Worked with SAN (EMC) connecting the host to the servers
Confidential, Silver Spring, MD
Systems Administrator
Responsibilities:
- Provide support to various high end Linux and Sun servers running on Solaris 9 and 10 and Redhat enterprise version 5,6 and 7
- Configured, implemented and maintained hardware RAID storage technology on RAID controllers and disk storage shelves.
- Utilized kickstart and ignite for systems builds/recovery.
- Worked with network configurations to include knowledge of switches and firewalls.
- Administered user accounts and passwords
- Maintain system accounting files and logs and systems error logs.
- Configured and maintained VERITAS Volume Manager, VERITAS File System, VERITAS Clustering and other products within VCS suite.
- Installed and implemented new patches to the Solaris/Linux operating system software.
