Linux Systems Administrator Resume
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Falls Church, VA
SUMMARY
Hardworking and Resourceful Unix/Linux System Administrator able to respond to a wide range of challenges with a focused and creative approach. Highly effective at problem solving and decision making 5+ years of progressive IT experience.
TECHNICALSKILLS
- Active directory, Apache, Automate, Backup, Bash, Database, DNS, FTP, HTTP, LDAP, Kickstart, Linux, Managing, Samba, DHCP, Microsoft Office, Outlook, PowerPoint, SharePoint, Windows 2008 & 2012, NAS, NFS, Network troubleshooting, Oracle, Samba, CIFS, SAN, Scanner, SDLC, TAR, gzip, bzip2, Cron, NTP, YUM, RPM, SCP, WinSCP, LVM, XFS, Ext3, Ext4, Telnet, SSH, Shell scripting, TCP/IP, Tomcat, Troubleshoot, UNIX, Web Servers, Workshops. Patching RHEL v7&6 using Red hat Satellite 6&7. VMware ESXi v6&& Configure Apache HTTP server
- Configure Apache HTTP server
- Platform Linux (RedHat 5x, 6x, 7x & CentOs 5x, 6x, 7x) both on x86 64
- Business analyst, PowerPoint, Scrum, Accounting, Customer Service, Documentations, Decision making, Reporting.0
PROFESSIONAL EXPERIENCE
Confidential, Falls Church, VA
Linux Systems Administrator
Responsibilities:
- Providing a high level of technical support to customers via the phone, Skype chat and ticketing system
- Expertise in Installing, upgrading, Configuration and administration of Red hat Linux 6x and 7x.
- Linux, UNIX, Windows server maintenance, troubleshooting, disk management, availability and different applications running on the platform.
- User Account Management, ACL, handling permissions/ownership as per the client request.
- Installation, configuration and management of new CentOS/RHEL6, 7 servers.
- Performed security scan and applied remediation with Tenable/Nessus scanner.
- Ansible automation
- Experience in RPM Package Administration for installing, upgrading, and checking dependencies.
- Monitoring, troubleshooting & reporting daily backup status for all critical production Linux.
- Experience in installing, configuring and maintaining Application Server like Web Servers, Apache HTTP and Tomcat on UNIX and Linux.
- Configuring & Managing NFS, Samba and CIFS Servers.
- Experience in developing cron jobs to automate daily backups, log archival, Performance scripts.
- Hands on experience on TCP/IP packets doing packet analyzing
- Batch scheduling, batch scripting, nightly backups and network troubleshooting.
- Bash shell scripting
- Knowledge in setting up SSH, SCP, SFTP connectivity between UNIX hosts.
- Patching server using Red Hat Satellite server
- Managed User, Group accounts using LDAP,
- Troubleshoot software and hardware failures and identify network problem.
- Performed Security and Kernel Patches
- Managed Disks and File systems using LVM on Linux.
- Installation, and configuration DNS servers, Mail servers, FTP servers.
- Implemented and administered virtualization Technology using VMware ESXI v5.5 & 6.
- Installing, Managing, patching and troubleshooting RHEL Servers.
- Installing and upgrading packages on RHEL/CentOS servers using package managers like RPM and YUM.
- Configured settings based on specifications using web - based content control tools.
- Created and maintained training documentation.
- Provided a well-balanced understanding of business relationships, business requirements, and technical solutions.
- Analyzed and identified best practices regarding the use of critical information System to promote effective care and facilitate informed decision making.
Confidential, MD
Linux/Unix System Administrator
Responsibilities:
- Configure Apache HTTP server
- Troubleshoot Incident
- Task tickets and perform change.
- Management on Linux Rhel v6&7, Centos v6&7 Windows 2007,2008,2010,2012,2016 enterprise servers and Solaris v10&11
- Users management
- Build server using kickstart
- Deploying server to network
- Application team support
- AWS AMI, EC2, S3
- Configure statics IP Address, Hostname, DNS, Default Gateway
- Kernel Patching with Red Hat Satellite server
- Perform multiple platform volume management using LVM, ZFS.
Confidential
JR Linux/Unix system Admin
Responsibilities:
- Performed Security and Kernel Patches in our various Environment on Linux servers.
- Managed the servers Via Vcenter and accessed them through vSphere / web client.
- On-call support (24/7) and maintaining multiple Applications production and non-production.
- Configuring Data sources, Pool Connections and troubleshooting to fix problems.
- Configure Yum Repository
- Selinux, Firewall, DHCP
- ACL, NTP, SSH
- Using top, dstat, netstat, ss, ps, systat, sar to produce and deliver reports on system utilization (CPU processor memory, disk, and network)
- Schedule job using AT, CRON and CRONTAB
- Set up, configure and troubleshoot SSH, SFTP, TCP/IP, Iptables, TCPdump, LDAP, ICMP, NTP, HTTP/HTTPS, VPN,