This document is a resume for P. Sumanth Kumar. It summarizes his work experience as a Linux/AIX Administrator for IBM India Pvt Ltd and as a L2 Unix Administrator for Cemex. It also lists his technical skills, academics, certifications, and personal details.

1. P. Sumanth Kumar
#8-1-303/64, Shaikpet, Hyderabad-500008 CERTIFICATE NO: 160-023-560
Mail Id: sumanth0827a@gmail.com
Mobile # +91-9603829220
To continuously strive for higher achievement in life and establish myself as a perfect and
accept challenging work and contribute forward the success of esteem organization by hard work and
acquired skills
Career Summary:
• Technically Sophisticated professional with around 3.10 years of experience in Linux/AIX
Administration.
• Working for IBM India Pvt Ltd, Hyderabad as Linux/AIX Administrator
since April 2013 to till date.
• Currently working in 24x7x365 environment.
• Installation and support for Linux/AIX servers.
• Managing servers on Development, Test and Production environments.
• Planning & Resolving the Issues within the specified down time.
• Providing remote support for UNIX boxes in various flavors for various locations.
• Knowledge on running and writing Shell Scripting and Python
• Working knowledge on tools like Remedy, Putty, HPOV and IBM tools (ISM,
Lotus database),
• Experience in analyzing the problem as well as solving.
• Excellence in learning and implementation of new technologies. Proven ability to
work in both independent and team environments.
• Excellent communication & interpersonal skills with abilities in resolving complex
server issues.
• Taking the Full Responsibility & Owner ship of all the server issues.
• Good Knowledge on ITIL framework

2. Technical Skills :
• Installation, configuration and maintaining of Linux systems (Kick start Server)
• Managing File Systems and Partitions
• Good proficiency in Logical Volume Management (LVM) and VxVM
• User and Group administration, Adding users, removing user accounts, locking and unlocking
user accounts, managing user groups and user password management.
• Configuring and managing SELINUX ,LDAP,SSH
• Network Configuration and Troubleshooting, Network teaming, Port forwarding
• Managing File ownership and Permissions, SUID, SGID, Sticky bit and Access control lists
(ACL)
• System administration, maintenance and monitoring various day-to-day operations
• Install new software releases, system upgrades, evaluate and install patches using
RPM and YUM and resolve software related problems
• Good knowledge on Puppet
• Administrating and Managing Nagios tool for Monitoring
• Process management like monitoring, start/stop/kill various processes/sub process.
• Experience in VMware and XEN Virtualization
• Monitoring CPU, Memory, Disk, Network Performance.
• Configuring and managing FTP, NTP, NFS, SAMBA, DNS, Web server (Apache and
IIS), DHCP, Mail server (Send mail, Exim, Postfix)
• Troubleshooting logon problems, boot process.
• Knowledge on Load balancing and Linux HA
• Backup and Restore (tar, zip, gzip and bzip etc)
Work Experience:
Project: Cemex (November 2015 to till date)
Cemex is a Mexican multinational building materials company headquartered in San
Pedro, near Monterrey, Mexico. It manufactures and distributes cement, ready-mix
concrete and aggregates in more than 50 countries. It is the second largest building materials
company worldwide, only after Lafarge Holcim.

3. Designation: L2 Unix Administrator
Technical Environment: Linux, AIX, Solaris, IBM Storage, EMC storage, Oracle/DB2 DB,
KVM, Citrix, Putty, Toxsocks
Roles and Responsibilities:
• Installing and configuration of Linux operating system.
• Working on Disk management and File system management.
• Experience in LVM, RAID and SWAP activity on the server.
• User and group administration - Creating users, groups, modification, removing,
checking and changing user parameters.
• Experience in setting file system permissions and UMASK value as per requirement.
• Performing Mount and unmount operations on file systems.
• Monitoring CPU, Virtual memory, Disk, Network Performance.
• Working on Puppet and Chef Configuration management tools
• Responsible for and adding Swap space at run time.
• Installing packages on Linux servers using YUM and RPM utilities, Kernel update
and application software installations.
• Troubleshooting the employees issues manually, regular data backups.
• Job Scheduling and Automating process using CRON.
• Compression and Archiving- zip, unzip, Bunzip, Gunzip, Tar.
• Configuration & Management of NFS, NTP and FTP Servers & Clients.
• Working on day to day trouble shooting for both user and system issue.
• Knowledge on setting IPv4/IPv6 addresses.
• Managed and updated licenses of the server for various software.
• Configuring YUM server as a repository.
• Configuring and managing SELINUX, SSH, LDAP.
• Configuration & Management of Mail server, Web server and Secure web server.
• Configuration & Management of DNS, DHCP Servers & Clients, SAMBA, SSH and
Telnet Servers.
• Configuring and managing Target server and ISCSI client.

4. • Installation and Configuration of MariaDB database.
• Setting up Rsync and SCP for syncing files between different locations.
AIX Skills:
• IBM AIX system administration, Knowledge on Upgrades, Migrate.
• Performance monitoring using vmstat, iostat, topas, netstat in all environments.
• Working on resolving Disk, Memory, CPU and Run queue bottleneck issues.
• Designing and managing disk space using AIX Logical Volume Management (LVM).
• User administration, Creating users, groups, modification, removing, checking and
changing user parameters.
• File system creation, modification of the File systems, working on compressing old
files,removed unnecessary files or adding space to file systems to keep FS's under
threshold.
• Scheduling Backups - Task Schedulers (Crontab) for backups, monitoring, file
creating, etc.
• Taking regular system backup using mksysb and volume group backups using savevg,
backup in file system and files.
• Upgrading IBM AIX to the latest version by using Direct/Alt_clone Procedure and
installed ifixes when required.
• Adding/Removing Paging space, Creating secondary PS, Increase and decrease PS.
• Knowledge in exporting volume group from one node to other and adding new disks
to volume group, replacing failed devices.
• Working on Unix changes on Development/test/production servers.
• Taking backups using tar, Bzip2, gzip, zip.
• Working on copying folders from remote server to local pc using SCP method.
• Experienced in FTP, DNS, NIS, NFS, sendmail, remote access, security management,
and system troubleshooting skills.
• Knowledge on HACMP, LPAR's, VIO's and HMC.
• Hardware troubleshooting, Maintenance and replacement of failed hardware and
configuration of new hardware.

5. Project: Wal-Mart (April 2013 – October 2015)
Walmart, is an American multinational retail corporation that operates a chain Of
hypermarkets, discount department stores and grocery stores. Headquartered in Bentonville,
Arkansas, the company was founded by Sam Walton in 1962 and incorporated on October
31, 1969. As of September 30, 2016, Walmart has 11,573 stores and clubs in 28 countries,
under a total of 63 banners
Technical Environment: IBM servers (AIX, Linux, Winodws Server 2008), IBM Storage,
Xen Virtualization, DRBD based Cluster environment, VMware ESXi Servers
Roles and Responsibilities:
• Installing and configuration Linux operating system.
• User Administration, Managing Disks and File systems.
• LVM and RAID activity on the server (increase or decrease the size of LVM, root
disk mirroring, LVM-snapshot etc.).
• Monitoring CPU, Virtual memory, Disk, Network Performance.
• Install new software releases, system upgrades, evaluate and install patches and
resolve software related problems
• Working knowledge on Chef Configuration management tool
• Configuration & Management of NFS and FTP Servers & Clients
• Configuration & Management of DNS and DHCP Servers & Clients
• Configuration & Management of SAMBA, SSH and Telnet Servers.
• Copying directories using SCP in client – server environment
• Creating the YUM server repository.
• Unix Server administrations – Level 2 ,IBM blade chassis support Troubleshooting
issues with hardware on IBM Blade center Performing system start-up and shutdown
Understanding and usage of the system management tool (SMIT)

6. • Remote troubleshooting and maintenance of 10000+ Blade Centers and 40000+ Linux
Servers across world wide
• Startup, Reboot and Shutdown the system as needed.
• Utilizing the remedy ticket system to track the customer tickets.
• Created Volumes, Extending Volumes and Managing raw devices in the Linux servers
Academics:
• M.Tech (Embedded Systems) from JNTUH in 2012
Training and Certifications:
RHCSA 7.0 – Red Hat Certified System Administrator – 2016. CERTIFICATE NO: 160-023-560
RHCE 7.0 – Red Hat Certified Engineer - 2016. CERTIFICATE NO: 160-023-560
VMware – Attended corporate training for VMware/Vcenter.
Personal Information:
Nationality : Indian
Gender : Male
Date of Birth : 17-07-1987
Marital Status : Married
Languages Know : English, Hindi and Telugu
Passport : Yes
(Sumanth Kumar P)

7. • Remote troubleshooting and maintenance of 10000+ Blade Centers and 40000+ Linux
Servers across world wide
• Startup, Reboot and Shutdown the system as needed.
• Utilizing the remedy ticket system to track the customer tickets.
• Created Volumes, Extending Volumes and Managing raw devices in the Linux servers
Academics:
• M.Tech (Embedded Systems) from JNTUH in 2012
Training and Certifications:
RHCSA 7.0 – Red Hat Certified System Administrator – 2016. CERTIFICATE NO: 160-023-560
RHCE 7.0 – Red Hat Certified Engineer - 2016. CERTIFICATE NO: 160-023-560
VMware – Attended corporate training for VMware/Vcenter.
Personal Information:
Nationality : Indian
Gender : Male
Date of Birth : 17-07-1987
Marital Status : Married
Languages Know : English, Hindi and Telugu
Passport : Yes
(Sumanth Kumar P)