PROFESSIONAL SUMMARY:

• Experience in installing, configuring, supporting and troubleshooting Unix/Linux Networking services and protocols like NIS, LDAP, DNS, NFS, DHCP, FTP, SSH and SAMBA
• Experience in installing, configuring, supporting and troubleshooting Unix/Linux Networking services and protocols like NIS, LDAP, DNS, NFS, DHCP, FTP, SSH and SAMBA.
• Experience in creating profiles in Ansible and pushed them across all the servers in Linux environment
• Using Ansible Vault in playbooks to protect sensitive data
• Experience working in VMware ESX (vSphere) 4.x, 5.x hypervisor for virtualization and installed different OS such as Linux, Windows
• Having good exposure for large - scale Linux deployment methodologies, kernel configuration, performance monitoring, and tuning.
• Experience in managing , monitoring the performance of the computer servers and also writing scripts to schedule and automate daily tasks
• Experience and knowledge in SAN, NAS, LVM, tape library, Send mail, FTP, SSH, TCP/IP, Apache, SMF, ZFS, SUN Virtual Container and Zoning technology (Sparse & Whole Root), Branded Zones.
• Experience working with servers and networks on a daily basis to ensure that the systems run efficiently and continue to operate without downtime or performance degradation
• Expertise in planning and building secured systems and hardening of servers in Solaris like NIS, DNS, DHCP, LDAP Server and sharing services like Apache and Samba.
• Excellent working experience with Network topology WAN/LAN and TCP/IP and UDP.
• Resolution of technical issues on system integration and support. Software package deployment, disaster recovery/contingency of business management.
• Managing file systems based on (LVM, VXVM, UFS, NTFS) also VMDK files for Virtual Environment.
• Fixed chronic issues by adhering to fault management standards
• Support server software and hardware plus related applications and systems.
• Configuring new storage LUNs to virtual guests via Hosts (Hypervisors) and physical boxes based on storage technologies like 3-PAR, EMC, NETAPP and native Multipathing.
• Change activities related to VM storage migration, VM template/cloning, Resource pooling, Vlan/Switch configurations.
• Experience in monitoring infrastructure using Nagios.

TECHNICAL SKILLS:

Operating systems: Redhat/Centos 6,7 ,8, Unix Solaris, Ubuntu, Kali Linux Window Servers, MS-DOS, Hyper V, Windows 3.x, 9x, XP, Vista, 7, 8, 10, Server 2000, Server 2003, Server 2008, Server 2102, Mac OS, VMware ESX and ESXi, NetApp (Data ONTAP),

Hardware: x64 Servers, HP ProLiant dl380 Gen7, Gen8, Dell PowerEdge R610. R620, R630, SPARC Servers 1000, 2000, Sun Ultra Enterprise Servers (E3000, E3500, E4000, E4500, E5000, E6500, E450, E420R, E220R, M5000), Sun Fire(6800/4800/v880/V890/V490/V480/V240/ E15K /E25K)

Protocols: TCP/IP, UDP, IPMP, FTP, NFS, SNMP, ICMP, TELNET, DHCP, ISP

Naming Services: DNS, NIS, LDAP

Web/Application Server: Apache, Tomcat, Web Sphere, Web Sphere MQ Series.

Scripting Languages: Bash, Shell, XML

Tools: Ansible, Salesforce, Mobaxterm, Atom IDE, Apache, Nagios, Putty, Git, Jenkins, MySQL, Docker, Tomcat, Jira, ROS, Docker, Jenkins, AWS, RHEL6/7 & LVM, VMware, MS Office.

Automation tools: Ansible and basic idea on Git, Jenkins

Virtualization: VMware(esx,esxi ),basic knowledge on OpenStack KVM s

PROFESSIONAL EXPERIENCE:

Confidential - leetsdale,PA

Linux/Unix Admin

• Updating and Installing new ROS packages.
• Automate launching of ROS tools using ansible
• Troubleshoot errors on individual robots
• Document all issues and escalates via Jira and Salesforce to concern teams
• Manages all mission handled by individual robots and making sure data Is delivered.
• Communicate with the robot in real-time using ROS tools
• Set up user and group login ID's, printing parameters, network configuration, password, resolving permissions issues, user and group quota.
• Monitoring the health, usage, and compliance of ServiceNow as well as develop system integrations and process automation
• Create and configure business rules responsible for the general support, administration, and maintenance of the ServiceNow platform and associated applications
• Completion of the projects within the deadline
• Creation of groups, adding User ID to a group as a primary or secondary group, removing User ID from a group.
• Set up user and group login ID's, printing parameters, network configuration, password, resolving permissions issues, user and group quota.
• Trouble shooting User's login & home directory related issues.
• Configuration of network equipment for newly builds servers and writing scripts to automate and schedule daily tasks
• Disk replacement (Root disk / Data disk).
• Configuring and monitoring Disk mirroring, striping using LVM

Confidential , Rockville , MD

Linux Admin

• Administration of UNIX and RHEL 3, 4, 5, 6, and 7 which includes installation, testing, tuning, upgrading and loading patches, troubleshooting both physical and virtual server issues.
• Troubleshooting Linux network, security related issues, capturing packets using tools such as Iptables, firewall, TCP wrappers, NMAP.
• Planned, scheduled and Implemented OS patches on both Solaris & Linux boxes as a part of proactive maintenance and Secure Shell (SSH) implementation
• Supporting Operating Systems Red Hat Linux 5.x/6.x/7.x, CentOS 5.x/6.x, Suse linux and suse manager, Solaris8.x/9.x/10.x, HP UNIX and AIX in Production, QA and Development Environments.
• Preparing Standard Methods of procedures and testing the same before any major changes to the server
• Use Ansible inventories to define groups of hosts
• Providing On-call support and resolving issues with in SLA
• Created SAMBA/NFS shares and managed Active directory groups on Linux servers.
• Organizing meetings with clients to know their requirements.
• Creating, cloning Linux Virtual Machines, templates using VMware Virtual Client 3.5.-
• Planning and implementing system upgrades including hardware, operating system and periodical patch upgrades.
• Used Nagios as a network monitoring tool.
• RPM and YUM package installations, patch and other server management.
• Worked on hyper convergence software-defined with tightly-integrated compute, storage, networking and virtualization resources.
• Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.
• Creation of groups, adding User ID to a group as a primary or secondary group, removing User ID from a group.
• Set up user and group login ID's, printing parameters, network configuration, password, resolving permissions issues, user and group quota.
• Trouble shooting User's login & home directory related issues.
• Adding SAN using multipath and creating physical volumes, volume groups, logical volumes.
• Configuration of network equipment for newly builds servers.
• Database Administration on Various platforms like Linux
• Disk replacement (Root disk / Data disk).
• Configuring and monitoring Disk mirroring, striping using LVM.
• NFS configuration & administration.
• Monitoring & troubleshooting with performance related issues.

Confidential

Technical Support

• Supported daily troubleshooting of network issues and monitor user's activity and system performance
• Re-imaged of client computers and updates with new software
• Managed windows active directory users and group administration
• Followed directives from Team leads with configuration and management of managed services
• Remote system troubleshooting and administration
• Monitored network uptime and network graph appliances
• Supported the deployment of computers and ensuring each one is updated with security patches
• Troubleshoots problems with Windows workstations
• Configured and managed DNS, Apache Servers
• Supported organization with system administration task and addressed/resolved technical requests.
• Administration of Linux and RHEL 5, 6, and 7 which includes installation, testing, tuning, upgrading and loading patches, troubleshooting both physical and virtual server issues
• Troubleshooting Linux network, security related issues, capturing packets using tools such as Iptables, firewall, TCP wrappers, NMAP
• Planned, scheduled and Implemented OS patches on Linux boxes as a part of proactive maintenance and Secure Shell (SSH) implementation
• Supporting Operating Systems Red Hat Linux 5.x/6.x, CentOS 5.x/6.x, suse linux, HP UNIX and AIX in Production, QA and Development Environments.
• Preparing Standard Methods of procedures and testing the same before any major changes to the server
• Providing On-call support and resolving issues within SLA
• Created SAMBA/NFS shares and managed Active directory groups on Linux servers.
• Organizing meetings with clients to know their requirements.
• Creating, cloning Linux Virtual Machines, templates using VMware Virtual Client 3.5.-
• Planning and implementing system upgrades including hardware, operating system and periodical patch upgrades.
• Used Nagios as a network monitoring tool.
• RPM and YUM package installations, patch and other server management.
• Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.

Confidential

Jnr Linux Administrator

• Aided in the development of comprehensive Service Level Agreements for our IT infrastructures.
• Provided first line support for any system issues, created tickets and escalated to concern team.
• Performed installations and upgrade of new network and desktop application software. provided clients with technical and troubleshooting assistance related to system issues
• Cleaned and reimaged desktops and laptops for new employees and contractors.
• Provided top-notch customer service communication and responsible for network oversight and maintenance.
• Monitor security programs and alerts for anomalous behavior.
• Performs troubleshooting actions when necessary.
• Monitor IT Help Desk system and work tasks.
• Installation configuring and testing of TCP/IP based servers like DNS, NFS, and NIS services under SUNSOLARIS in the intranet.
• Supported different SAP modules and Applications and IBM File Net.
• Monitoring and reporting to the issues based in the alerts.
• User/File system Management and maintained the OS File systems below Threshold Value.
• Monitored the Hardware Logs and follow with Vendors to Correct the defective parts.
• Upgraded the firmware and BIOS as recommended by the respective Vendors.
• Engaged Vendor for any hardware issues (Troubleshooting/Replacement).
• Handled critical outages effectively minimizing the downtime of the servers.
• Designed and maintained mission critical applications in 24*7 supports on Linux servers.
• Identifying issues and troubleshooting them, escalating issues to the concern department.
• Maintains open communication and positive working relationship with staff.