PROFILE:

• 20 years of comprehensive experience in information technology field
• 12 years of Linux/Unix/Microsoft system administration / management experience
• Extensive experience in system build, support, automate, configuration, virtualization in prod environment
• 5 years of experience in VMware and workable experience in Citrix
• 4 years of computer programming experience in development environment
• 3+ Years of server patching experience including automate the processes Linux / Microsoft servers
• A fast learner, able to understand new ideas and concepts quickly
• A positive attitude, team player and capable of integrating with and developing effective workgroups
• Effective troubleshooting and problem - solving skills with servers and hardware devices
• In-depth knowledge in Enterprise service management, ITIL change management
• Worked in heterogeneous environment and multiple platforms with high availability 24 x 7 solutions
• Strong system management skills, result-oriented, self-motivated and strong attitude towards teamwork

TECHNICAL SKILLS:

Operating Systems: Linux v6/v7, Ubuntu, Solaris, UNIX, Windows servers 2k/2k3/2k8/2k12 R2/2k16

Configuration Management: Chef,Docker, Puppet, Vagrant, Kubernetes

Build / Delivery Automation: Jenkins, TeamCity, Ansible, Cobbler

Programming Languages: UNIX shells (BASH), Python, Perl, AWK

Scripting Languages: Shell scripts, Ruby, Python, YAML

Directory Services: BIND, Windows AD 2k3 & 2k8, Open LDAP

Virtualization: Citrix XenApp, VMware, PlateSpin, VMware convertor, MS Hyper-V, VSS, vRO, vRA

High Availability/Cloud: Linux cluster, Microsoft clusters, VMware, MS Azure, AWS, GCP

Networking: LANs, WANs, TCP/IP, Networking Protocols & VPNs/Routers, Proteus IPAM

Databases: Oracle, EPI, MySQL, KDB+, MS SQL

Application/Web Server: JBOSS EAP, Apache Tomcat, Confidential WAS, Nginx, IIS, Kibana, Elastic Search

Incident Management: Service-Now, Service Manager, Remedy, NetIQ, Jira

Monitoring Tools: Nagios, Thruk, New-Relic, Graffana, Zabbix

Version Control Systems: SVN, GIT

Command Line Editors: Vim, VI, Nano Volume ManagementLogical Volume Manager (LVM)

EMPLOYMENT HISTORY:

Confidential

Infrastructure/DevOps Consultant

Responsibilities:

• Deployed RHEL /Windows Servers images, apply roles per company guidelines and application team requirements
• Server administration / maintenance, daily health checks, installation / configuration of in-house applications
• Collaborated with cross-functional business teams to upgrade Linux environment
• Upgraded 1000+ RHEL Linux Production and Development servers from 6x & 7x to 7.6/7.7
• Created / modified scripts to perform different Linux tasks i.e. bash scripts, Python, AWK etc.
• Created multiple Chef roles/nodes for deployment of monitoring tools with different integration
• Deployed monitoring tool NewRelic on 700+ corporate Linux servers using Chef roles/nodes
• Deployed NewRelic on 400+ windows servers using MS SCCM and tweaked for getting different integration
• Created NewRelic/Grafana Dashboards / Alerts and integrated them with Ticketing and PagerDuty systems
• Managed CI / CD pipeline using Jenkin to update Server images
• Tweaked customized Docker images to add NewRelic monitoring tool
• Modify Ansible playbooks for application team to test application on Oracle cloud
• Migrated 200+ VMs Across vCenter resided on different data center
• Upgraded / Installed ESX servers and coordinated with Network/ Storage to get their part added to host
• Developed/Monitored capacity management strategy on data stores/LUNs for smooth migration of the project
• Used vCenter convertor to P2V Linux/Windows machines during migration project
• Installed and configure vSphere Data Protection appliance VDP and setup incremental backups for VMs
• Troubleshot networking/connectivity/permission/login issues on Windows/Linux servers, configured Dual home (bonding) and configured SSH/SFTP logins on Linux servers

Confidential

Infrastructure/DevOps Consultant

Responsibilities:

• Created Linux Centos 7 hardened image using automation tool puppet as per university hardening guidelines
• Integrated puppet modules with cobbler to provision new Linux Centos 7 hardened images to the environment
• Worked/modified python VSS APIs scripts to create bulk Virtualized servers with varied configurations
• Setup and configured Enterprise Kubernetes cluster environment of 11 servers based on hardened image including 2 master, 3 etcd, 2 nodes, 2 storage, 2 ingress servers
• Built/configured ELK stack server Elasticsearch, Kibana and Apache, integrated with customized Fluentd image
• Tweaked university customized Docker images to work with Kubernetes environment
• Created Yaml files for Persistent Volumes, Persistent Volume Containers, Application configuration, Securing passwords, SSL certificates, services, Ingress and deployments
• Configure Graffana application to monitor Kubernetes environment and Pods status
• Integrated over 700 Linux servers to LansweeperNetwork Inventory & Asset Management tool
• Installed / Configure Webmin/Virtualmin server and migrated over 90 website’s hosting configurations from old Webmin/Virtualmin environment

Confidential

Infrastructure/DevOps Consultant

Responsibilities:

• Develop scalable build, test and deployment systems in virtualized environments
• ConfiguredDockercontainers and createdDockerfiles for different environments
• Installed Kubernetes and used .Yaml file to create multiple docker replicas for running in-house Java applications
• Configured Jenkins continuous integration/delivery pipeline CICD through deployment into several environments
• Created and implemented scripts to perform different Linux tasks i.e. bash scripts, batch files, Perl, AWK
• Created Ansible playbooks to patch Linux servers and other in-house tasks
• Worked on Incident tickets and created change requests / problem tickets as per job requirement
• Server administration / maintenance, daily health checks, installation / configuration of in-house Java applications
• Installed Confidential replication solution CDC change data capture and configured to upload data into in-memory database i.e. KDB+ solution
• Created and managed subscriptions containing thousand of tables replicated between 2 separate environments
• Upgraded JBOSS from 7.1 community version to JBOSS EAP 6.4 version and made required configuration changes
• Managed JKS certificates for JBOSS, created scripts to manage expired certificates
• Designed Puppet Modules to manage configurations and automate installation process
• Coordinate/assist developers with establishing and applying appropriate branching, merging conventions using GIT source control
• Installed physical/ virtual RHEL/MS Windows servers and hardened them as per company server-built document
• Installed and configured VLTrader secure file transfer solution for transferring sensitive data to partners

Confidential

VMware Technical Consultant

Responsibilities:

• Worked with PMs/ architect to design migration strategy and built MOP by executing POC on Dev. servers
• Developed/Monitored capacity management strategy on data stores/LUNs for smooth migration of the project
• Regularly met with Executive stakeholders to discuss expectations and review special/critical criteria
• Added new LUNs to target clusters regularly as per company policy
• Created change tickets for VM migration / host build / data store addition by using Service Now tool
• Migrated 3000+ VMs from old VMware environment to new VMware environment
• Designed strategy to migrate large servers / domain controllers /vCenter servers by using flash copy / Veeam
• Used Veeam/flash copy to migrate more than 90 servers from old environment to new environment
• Upgraded VMware tools and VM hardware versions on all migrated VMs Linux, Solaris, AIX
• Built new hosts for newly created environment and decommissioned old host from old environment
• Configured High Availability (HA), Distributed Resource Scheduling (DRS), Distributed Power Management (DPM)
• Involved in firmware and hardware up-gradations project on VMware hosts

Confidential

Senior Systems Support Analyst

Responsibilities:

• Worked on Incident tickets and created change requests / problem tickets in Service Now tool
• Installed physical/ virtual server and hardened them as per company server build documents
• Managed and supported highly available Linux RH servers hosting critical applications in a 24 x 7 operation
• Provided 3rd level operational support in critical production environment
• Performed day to day activities including storage allocations, file system maintenance, failover testing, kernel/system tuning, ACL, set up and configured NFS and NAS shares
• Managed data replication between Oracle and DB2 by using Informatica
• Worked with application / Java team, Knowledge in Web Sphere and JBOSS on Unix/Windows Platforms.
• Monitored logs, usage, growth and volume and tuned server for optimum performance
• Installed/upgraded Power Path, Netbackup, Firmware, VMTools, OS patches, packages, bundles on Linux and Windows servers
• Migrate WebSphere 6.x to 7.0 and work closely with development and production teams. Apply Refresh packs, fix packs and cumulative fixes for WebSphere
• Build windows server images by using Acronix imaging software & deployed on bare metal servers
• Worked with Monitoring team to configure threshold for File system, CPU and memory usage using NetIQ
• Migrated 400+ virtual machines from client data center to our company's cloud VMware 5.5 environment
• Created baseline Host/VMs groups in update manager for the environment
• Configured High Availability (HA), Distributed Resource Scheduling (DRS), Distributed Power Management (DPM)
• Involved in firmware and hardware up-gradations project on HP hosts

Confidential

System Engineer

Responsibilities:

• Supported 24x7 ultra-high available solutions running multiple applications on Linux and UNIX platforms
• Provided 3rd level operational support in critical production environment and carried pager on rotational basis
• Performed incidents and problem management using open service desk, remedy and service center tools
• Performed troubleshooting sessions, analyzed system logs, tuned kernel parameters, disk, CPU, swap, I/O usage monitoring, bottlenecks issues
• Deployed Blade / integrity / PA-RISC servers and installed OS / configured Network/ILO, cloned root disks
• Installed and configured DNS client, NTP, NFS and OS patches
• Created and implemented scripts to perform different Wintel tasks i.e. VB scripts, batch files, Power-shell
• Used different windows sysinternals tools to troubleshoot environment i.e. procmon, procexp, diskmon, psexec
• Decommissioned & migrated windows 2K / 2K3 servers to windows 2K8 R2 servers as per company policy

Confidential

Windows Engineer

Responsibilities:

• Created and implemented scripts to perform different tasks i.e. VB scripts, batch files, Power-shell
• Build windows server images by using Acronix imaging software & deployed on bare metal servers
• Used different windows sysinternals tools to troubleshoot environment i.e. procmon, procexp, diskmon, psexec
• Decommissioned & migrated windows 2K / 2K3 servers to windows 2K8 R2 / 2K12 servers as per company policy
• Deployed monthly windows patches on servers by using SCCM / WBSA / windows update
• Worked on Incident tickets and created change requests / problem tickets as per job requirement
• Examined the system event log and audit log files to find and troubleshot event’s logs

Confidential

Technical Consultant

Responsibilities:

• Conducted Trainings for national/regional data management teams on new IT technologies
• Helped locals/international consultants on country wide immunization program
• Designed/Implemented data management procedures to ensure the quality/availability of data
• Visited reginal WHO offices in Ethiopia and monitored project progress
• Documented regional study progress reports, challenges and recommendations
• Trained consultants/epidemiologist/social scientist on GIS usage in their studies

Confidential

Technical Support

Responsibilities:

• Help Desk / End-user support for hardware, software and installation of Windows XP
• Imaging systems, data backup, user account settings and password re-sets
• Defined group policies for user accounts, created new accounts and upgrade local AD users
• Maintained the availability of company computer resources including servers, workstations, laptops and printers
• Administered multi-server Windows NT LAN, 100+ workstations and 100+ end-users
• Implemented Internet proxy/firewall and monitoring solution
• Maintained system tape backups and implemented disaster recovery plan