SUMMARY:

A Unix/Linux Systems Administrator, authorized to work in the US for any employer. I do have exceptional experiences working on countless projects and looking for an opportunity that will not only utilize my knowledge but also give me an opportunity to grow in the knowledge of leading edge technologies.

PROFESSIONAL EXPERIENCE:

Linux System Admin

Confidential, Charlotte, NC

• Installation, configuration and connecting RHEL 6, Centos 6.4 and Solaris 10 servers to a network using standard installation and Kick - start.
• Hardening, and patching both Red Hat 6 and Solaris servers and upgrade new release on standalone servers (using single user mode), and on production servers.
• Managing Solaris and Linux Operating Systems.
• Perform maintenance of file system; create cron jobs for periodic processes.
• Manage crash and core dump files, archive, compress files and send to vendors.
• Configure Apache, Mysql on Red Hat 6 for virtual and web hosting, building and hosting websites, install and configure samba for quick publishing using third party web page maker.
• Perform users and security account management.
• Setup, configure and troubleshot TCP/IP, DHCP, DNS, NFS, CIFS, and Samba servers in a multiplatform LAN.
• Bash scripting to schedule and automate processes.
• Manage swap configurations.
• Scheduling of automatic and repetitive jobs using shell scripts with crontab.
• Perform multiplatform volume management using LVM and VCS volume manager.
• Monitoring logs on Linux servers including processes crash and swap management, with password recovery and performance tuning.
• Experienced in Virtualization (VMware Esxi 5.5 and Oracle Virtual Box).
• Responsible for data management using Red Hat utilities for archiving, compression backup and restoration.
• Review server platforms, installations and configurations to ensure corporate and industry standard were followed.
• Configure LDAP, DHCP and DNS.
• Provide 24/7 support in a production and staging environment.
• Working knowledge of firewalls and switches.
• Supporting systems and troubleshooting system issues.
• Documenting solutions for future reference.
• Maintaining system configuration and log files and also system error logs.
• Responsible in part of the ticketing system.
• Installing and maintaining the operating system and related software products.
• Participating in root-cause analysis of recurring issues, system backup and security setup.
• Using Salt for automation.
• Configuration of LVM (Logical Volume Management) to manage volume group, logical and physical partitions and new importing physical volumes.
• Maintained System Security and ensured systems are up to date with current patches and backups/restores were completed without flaw.
• Experienced using Red Hat Satellite server to deploy, monitor, update, and manage systems.
• Involved in complete Administration tasks on Red Hat Linux and documentation for the projects executed.
• Monitored DNS, LDAP, Kickstart, IPChains/IPTables firewall, SSH, MYSQL, and User Administration.
• Install/Configure new Linux servers running RedHat.
• Perform fault isolation for all Linux systems to prevent re-occurrences of problematic processes.
• Monitor system backups and restore files as needed.
• Wrote Bash script for content push, setup multiple user accounts, configuration and to compress files.

System Analyst

Confidential, Greenbelt, MD

• Provided security consulting on complex issues related to data access and integrity in relation to server migrations from legacy security domain to mandated BoKS environment.
• Assisted customers in identifying security risks to their applications and implementing appropriate data security procedures and products
• Working knowledge of bank security policies and government regulations pertaining to information security.
• Engineer & Provision UNIX access for BoKS using Host groups, User classes, and UNIX groups.
• Modified user entries, such as; adding new users, adding users in certain groups, modifying user home directories, and deleting the users that did not exist.
• Troubleshooting the issues related to slowness of the server.
• Upgraded/installed packages using YUM and RPM.
• Upgraded BIOS firmware for HP, Dell, and Sun hardware.
• Configured network and upgraded firmware version for Avocent Cyclades.
• Managed filesystem related requests, such as; created new filesystems, increased/decreased/renamed/removed existing filesystems.
• Performed scheduled reboots on production environment.
• Worked with monitoring team with any kinds of issues being encountered in monitoring system
• Issued temporary sudo access to users as requested.
• Worked with team on projects for migrating OS from Solaris to Red Hat Linux for production environment.
• Opened up cases with hardware vendors for any hardware related issues.
• Virus Protection Software Installation.
• Participate in capacity planning for the infrastructure.
• Responsible for configuration, system management of Linux/AIX/Solaris Systems.

Environment: BOKS, UNIX, LINUX, AIX, VAS, SecureCRT, Shell scripting, ART Ticketing system, PAC2000, SETS.

Linux Systems Engineer

Confidential

• Installed and configured both Solaris and Linux servers for new build environment.
• Experienced in creating virtual servers and connect it to a network.
• Installed and configured databases on Linux platforms.
• Installed and configured Dell Power Edge 2950 servers.
• Experience in storage administration.
• Experience in adding Disks and creating Slices and File system Administration.
• Configuring and monitoring Disk mirroring, striping using LVM.
• Experience in NFS configuration & administration.
• Experience in kernel re-configuration & parameter tuning.
• Experience monitoring & troubleshooting with performance related issues
• Managing all rebooting & part replacement activities.
• Experience managing and upgrading of Linux and Solaris servers.
• Experience in user account management & file management
• Provide 24/7 support in a production and staging environment.
• Ticket assessment on daily basis.
• Experience managing swap and other utilities
• Job Scheduling and Automating process using crontab.
• Experience installing of patches and packages in Linux.
• Configuring and managing network interfaces.
• Basic creation and troubleshooting on scripting like Bash/Shell.
• Configure and Troubleshoot Apache as a proxy server
• Installed and configure LAMP stack.
• Performed day-to-day jobs such as monitoring log files, writing and running the scripts to automatically watch the resources, CPU, memory, I/O, and paging space.
• Created Virtual Machines in ESXI environment to facilitate development and test operations.
• Installed VMware, vSphere ESXI, build VMs using VMware, performed migration.
• Tuned the system in Web Sphere as per the vendor specification for the optimal performance of Application.
• Troubleshoot network and infrastructure services such as VLAN, Routing, DNS, NTP, Syslog, and SMTP

TECHNICAL SKILLS:

Areas of Expertise: Network and Systems Security, Data Recovery / Disaster Recovery, Policy planning / Implementation, Risk Assessment / Impact Analysis, User Administration, Patch management, Command Line Proficiency, Remedy Ticketing, Bash Scripting, Samba, Logical Volume / File System Management, DNS Bind Configuration

Operating system: Windows … Linux (Red Hat, YUM, Debian), Networking TCP/IP, FTP, SFTP, Telnet, Iptables, DNS Bind, DHCP, NAT, SMTP, POP3, PPP, NAT, UDP, SSH, HTTP, HTTPS, Ethernet, LAN, WAN, VPN, NTP, NFS (autofs)

Languages: Bash Scripting, HTML, Java, C Software Microsoft Office Suite (Word, Excel, PowerPoint, Outlook, Access), Open Office Suite, LAN Management, Nessus Vulnerability Scanner, JBOSS, APACHE