OBJECTIVE:

A professional Linux and Unix server administrator with a wide variety of experience and understanding of various software technologies in the IT world, looking to make a vertical move to a challenging role as a Linux/Unix server administrator

PROFESSIONAL SUMMARY:

• Linux, Unix and Windows Systems Administrator with 8 years of experience in the IT field, with 6 years of experience supporting and managing Linux and Unix servers with the monitoring software NAGIOS XI using SNMP, GANGLIA, and COLLECTD.
• Experienced in performing enterprise server backups using BACULA version 9.0.4, RSYNC version 3.1.2, and BACK IN TIME.
• Experienced in using technologies like veritas, puppet, chef. Experienced working knowledge in zoning, ZFS, LVM, Raid levels, SAN, NAS, AWS, shell scripting, scripting using PL/SQL, python, PERL, and C.
• Experienced and good working knowledge of virtualization, system logging, user management, live server upgrade, patching, package management, client support, system hardening, and server configuration for new and existing businesses. Experienced in working with NFS, SAMBA, CIFS, and deploying servers.
• Experienced bringing up new servers, and excellent troubleshooting skills in server environment and in the database environment. An experienced in administering to oracle databases 10g, 11g, and 12C. Worked with apache services. Exceptional written, communication, analytical and organizational abilities.
• Result - oriented self-starter with an excellent track record for identifying opportunities for accelerated growth. Dedicated team player who thrives on collaborating with diversely talented team members, and integrates their divergent thoughts, opinions, and perspectives into meaningful actions. Energetic, competitive achiever who can manage multiple priorities and perform under pressure in a fast-paced, rapidly changing environment.
• Skilled in designing and implementing complete life cycle client servers and database applications with various development tools and languages.
• Excellent working record of server security and backup procedures to ensure integrity and high availability.
• Experienced in performing server backups with BACULA XI, RSYNC, AND BACK IN TIME
• Experience performing server monitoring using Nagios, Ganglia and COLLECTD
• Experience with ZFS File system, LVM, RAID, NFS, SAMBA, CIFS, SAN, NAS, and AWS (with services IAM EC2, EBS, S3, RDS, VPC, Route53, Cloud Watch and Trail, Elastic Mem-Cache, SMS and Cloud Formation)
• Experience with zones, LDOM, CDOM
• Experience with VMware ESXI, vSphere version 5.5, and virtualization
• Experience with the ticketing systems remedy and service now
• Experienced in using putty, SSH
• Various levels of partitioning using LVM, LDOM, CDOM, Zones
• Putty
• Tomcat, TCP/IP, DNS
• Ansible
• LAMP Stack
• IPERF
• Wireshark
• ELK Stack, SPLUNK
• Firewalls
• Experience using the programming languages Java, C++, C#, Python, C, PL/SQL, Ruby, Perl, JavaScript
• Excellent working knowledge of scripting, and shell scripting
• Experience with Oracle Advanced Security.
• Experience with server and database hardening techniques.
• Experience with user and group management and security
• Experience administering to oracle databases versions 9i, 10g, 11g and 12C.
• Experience using RMAN to backup oracle databases,
• Experience using oracle database OEM
• Experienced in performing performance tuning services for oracle databases using the various performance views, explain plan, indexes, optimizer, tuning advisors, ASH, ADDM, hints.
• Experience with oracle database recovery using RMAN and flashback
• Experience with oracle database high availability technology in clustering, and data guard.

TECHNICAL SKILLS:

Servers: Linux REDHAT 6/7 (Proficient), Unix Solaris 10/11 (Proficient), Windows (Proficient), AIX, Apache

Databases: Oracle 12c, 11g R1/R2, 10g, 9i, MySQL, Windows, Apache

Web Tools: AWS, HTML5, PHP, CSS3, JavaScript, Version Control XML

Programming Languages: Java(Fluent), PL/SQL(Fluent), C#.NET(Fluent), C++(Fluent), Python(Fluent), JavaScript, HTML5, CSS3, Ruby, Perl

Software: Software methodologies, Design Patterns(Agile), Algorithms, Data Structures, Eclipse, Microsoft Visual Studio, Net Beans, Code Blocks, OOP.

PROFESSIONAL EXPERIENCE:

Unix/Linux Systems Administrator

Confidential, CINCINNATI, OHIO

Roles and Responsibilities:

• Solved client related issues through service now ticketing system
• Performed partitioning using LVM
• Administered to all servers using VMware vSphere 5.5
• Team lead in server creation to fit client’s business module
• Administering to servers using VMware ESXI vSphere 5.5
• Experience in virtualization platforms with hypervisors like VMware vSphere 6.0, 5.x, ESX/ESXI 4.x, VMware Workstation, and Hyper-V administration.
• Working as L2/L3 System Administrator for production, development servers
• Managed migration between test and development servers
• Managed BACULA backup server files in a MySQL database
• Performed quarterly patches on all server environments
• Troubleshooted and resolved database application problems on Linux and Unix servers, and proposed recommendations to application administrators through service now.
• Worked with Vendors for Operating system and Server hardware related issues Kernel Patching and performed maintenance activities on weekdays and weekends
• Actively involved of ITIL in Incident Management, Problem Management and Change Management
• Managed scheduled cronjobs on Linux and Unix servers
• Replaced failed hot-swappable disks
• Performed Package management using RPM, YUM and UP2DATE in Red Hat Linux.
• KVM configuration, trouble shooting and migration of hundreds of clusters including Proof Point Protection Services (email filtering and privacy leaks)
• Strong understanding in writing the automation of processes using the shell script with bash and Python.
• Strong understanding of AWS
• Managing the creation of new user accounts and groups, changing and re-assigning file ownership to new and existing users, modifying the file permissions using CHMOD, SUID, SGID, and Sticky bit commands according to the requirement.
• Extensive experience with virtualization
• Installing, configuring and maintaining the file sharing servers like Samba, NFS, CIFS, using Nagios, Chef, and puppet.
• Performed installation, configuration, upgrades, patches, and performing health checks on Linux and Unix Servers

Linux System Administrator

Confidential, KENT, OHIO

Roles and Responsibilities:

• Administered to servers through VMware ESXI vSphere 5.4Windows
• Worked on day to day administration tasks and resolve tickets using Remedy.
• Used remedy ticketing system to resolve server issues on Linux red hat 5 and Solaris 10.
• Installed and configured Apache on Linux and Solaris and configured Virtual hosts and applied SSL certificates
• Assigned permissions to new and existing users using sticky bit
• Implemented Jumpstart on Solaris and Kickstart for Red hat environments.
• Troubleshooting application issues on Apache web servers and also database servers running on Linux and Solaris.
• Re-compiling Linux kernel to remove services and applications that are not required.
• Shell scripting to automate the regular tasks like removing core files, taking backups of important files, file transfers among servers.
• Wrote and ran scripts to monitor the performance of Operating Systems RAM and SWAP memory spaces to resolve issues and promote high availability
• Worked with patch management tools like Sun Update Manager.
• Supported middleware servers running Apache, Tomcat and Java applications.
• Administered LDAP to all servers

Junior Software Engineer / Junior Linux Server Administrator

Confidential, NASHVILLE, TN

• Assigned and monitored temporary user accounts and passwords
• Managed server backups using VCS (Veritas Cluster Software)
• Performed quarterly security patches on assigned servers
• Worked closely with development and test teams by monitoring their test and development applications and databases in test servers
• Tested code functionalities using Java’s Sprint suit
• Trouble-shoot java code for bug fixes and optimization
• Trouble-shoot and optimize java packages
• Performed cross-platform migration of application data
• Uninstalled old versions of java and reinstalled latest working version.
• Created and ran unit tests on assigned code functions for improved functionality
• Developed Oracle Database packages using PL/SQL
• Created stored procedures in an SQL server environment
• Worked with the design team in implementing new functionalities for already existing applications
• Gathered user requirements for new application design
• Integrated API’s into existing applications to enhance application functionality