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Linux systems administrator

Owings Mills, Maryland, United States
January 13, 2018

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Phone: 443-***-****


Address: Owings Mills, Maryland

* ***** ** *****-** and versatile experience as a Linux administrator with detail oriented, analytical and problem-solving experience in different aspect of the Unix systems such as RedHat Linux, Centos, Ubuntu, Solaris etc. including installation, configurations and securing of Linux systems. I have been working on Linux OS and have completed many projects as a Linux administrator and worked with developers and other I.T professionals.

- Performed daily task of all virtual environments to include building new virtual machines, updating DNS and troubleshooting system problems

- Created Custom Puppet modules for bootstrapping new servers with a required application on dependencies and packages.

- Created and built a pipeline for application versions, using Jenkins Continuous Integration.

- Experienced in Logical Volume Management on Linux with LVM Knowledgeable in HTTP, HTTPS, FTP, SFTP, DHCP, DNS, SNMP TCP/IP, UDP, ICMP, VPN, POP3 protocols.

- Extensive experience in setting up SSH, SCP, SFTP connectivity between hosts systems

- Extensive knowledge in NIS, NFS, DNS, FTP, Samba Server, LDAP, remote access, and system troubleshooting operations.

- Experienced in Setting up Chef Workstation, boot strapping various enterprise nodes, setting up keys. • Experienced in setting up puppet master, Google cloud and puppet agents for managing enterprise policies, configurations.

- Performance Monitoring, resolving network issues & Tuning the system using tools such as - top, iostat, vmstat, netstat, nfsstat, sar, ndd, ethtool, Dtrace, Strace.

- Managed Active Directory and Group Policy objects for three service locations with 600 total users mixed Windows and Mac clients.

- Experienced in BASH and SHELL scripting.

- Content Management Systems Knowledge with e-commerce integration into CMS Experience with Linux/Apache/MySQL (Database Management).

- Experienced in writing UNIX Shell Scripts using commands like awk, tcsh, bash, Ksh and Perl to automate system jobs

- Installed and configured infrastructure-related software such as DNS, McAfee EPO Servers, CENTRIFY, LDAP and Linux repositories for patching and updates.

- Automated application deployment in the cloud using Docker technology and using Elastic Container Service scheduler.

- Extensive knowledge on writing and deploying modules in Puppet.

- Configured Nagios to monitor EC2 Linux instances with puppet automation.

- Configured Elastic Load Balancers with EC2 Auto-scaling groups.

- Experience in setting up JIRA as defect tracking system and configured various workflows, customizationsand plugins for the JIRA bug/issue tracker.

- Experienced in LDOM's server virtualization with Solaris zones and ZFS file systems.

- Configuring High Availability (HA) and Distributed Resource Scheduler (DRS) Creation of template.

- Setup and configured network TCP/IP on AIX including RPC connectivity for NFS.

-Extensive knowledge in working with SAN, and NAS, storage systems, Cisco SAN gear and SAN volume controller.

-Maintained high availability clusters and standalone server environments and refined automation components with scripting and configuration management (Ansible).

-Build servers by using AWS, importing volumes, launching EC2, RDS, creating security groups, auto-scaling, load balancers (ELBs) in the defined virtual private connection

- Adding, removing, or updating user account information, resetting passwords, etc. That’s something any Linux Admin show know.


LINUX Administrator

Ti Websoft, Las Vegas, NV

August 2012 to January 27 2018

•Installing, upgrading and configuring operating systems like Solaris, HP-UX and Linux and application Packages.

•Expertise in configuring network installation Servers using Custom Jumpstart for Solaris, Kickstart for Linux and Ignite for HP-UX.

•Configuration of Hardware and Software RAID. Disk replacement and File system recovery through VXVM and SVM in Solaris.

•Experience in configuring and administering FTP, SAMBA, DNS and DHCP.

•Configured NFS Servers, Diskless clients and Auto clients and auto mounted the file systems using direct and indirect maps.

•Administering, Creating, Mount, Unmount, File System Integrity, Backup/Restore the File System.

•Backing up Data, Tape Management Planning using tar, cpio, dd, ufsdump, ufsrestore, dump, restore fbackup, frecovery commands.

•Created physical and logical volumes, groups using logical volume manager on LVM in Linux and HPUX.

•Monitoring and administrating of Red Hat Linux on Enterprise class servers and Sun Solaris Servers for operating systems, patches, packages, hardware, firmware drivers etc.

•Providing day-to-day user administration like adding, deleting and modifying users and groups and solving their queries.

•Handle and resolve local area network connection problem within the head office segment and WAN connection problems in the absence of the Network Administrator.

•Performance tuning of Virtual Memory, CPU, system usage in Linux and Solaris servers.

•Installation, configuration and administration of Jboss, Apache, Weblogic, Tomcat and Websphere.

•Experience installing and managing different automation and monitoring tools on Red Hat Linux like Splunk and Puppet.

•Experience in configuring and administering FTP, SAMBA, DNS and DHCP.

•Backing up Data, Tape Management Planning using tar, cpio, dd, ufsdump, ufsrestore, dump, restore fbackup, frecovery commands.

•Maintain & troubleshoot Storage Disks from IBM, HITACHI, and EMC Disk arrays.

•Performed system-monitoring tools like TOPAS, SAR, VMSTAT, IOSTAT to report systems usage and performance. And in some instances I have will write scripts that will do monitoring.

•Configured backup/archive policies using Tivoli Storage Manager (TSM) and Upgraded TSM to V6.1.

•UNIX Administration- maintaining around 1000 Production environment including IBM AIX & RHEL 5.0/6.0/7.0 servers. Managing their memory / CPU load, Disk Space, swap space, processes etc. running on them.

•Diagnose and correct boot failures arising from the boot loader, module, and file system errors on Red Hat Linux.

•Installed Multipath software such as EMC Power path, SDDPCM, HDLM.

•Use ILO/HMC/ Putty for remote access of servers on Red hat Linux/IBM AIX respectively.


- Expert experience in setting up VPN’s

-Master experience in setting up firewalls.

-Excellent knowledge on Oracle database 12c and 11g

-Good knowledge and training in JAVA and Python for over 2 years -Security Plus training and Offensive security training on Kali Linux - Operating Systems: Linux (Su […] & RHEL […] AIX (5.x/6.x/7.x), Solaris […] HP-UX (10.x, 11.x),

Authorized to work for any Employer.

Bachelor’s Degree (Information Technology)

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