Linux Systems Administrator Resume
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Washington, DC
SUMMARY:
- Seasoned Information Technology Professional and leader with over ten years of combined experience, impacting corporate performance through skillful alignment of technical resources with enterprise objectives. Proven leadership in identifying and eliminating operational discrepancies with the upgrade of existing systems and implementation of customized solutions.
- Experienced Linux professional systems administrator and engineer with six - plus years in RedHat Enterprise Linux, RedHat OpenStack Platform, Red Hat Identity Management, RedHat Satellite and Subscription Management.
- Experience with RedHat Virtualization, CentOS, Ubuntu Linux Operating Systems, Amazon Web Services, Puppet, SNMP, Solarwinds Monitoring System, EMC Networker Backup Tool and System, ReAR Backup Tool, and Disaster Recovery. Experience with OpenLDAP, SELinux, Access Control List, Kickstart, PXE server, NIS, DNS, NFS, SFTP, DHCP, FTP, HTTP, SAMBA, TCP/UDP IPS, IPsec, Tcpdump, Ethtool, Ping, Traceroute, Netstat, Postfix, Sendmail, POP, IMAP, SMTP, and Dovecot. VMWare ESX, ESXi, Docker, KVM, Real Application Clustering, HAProxy, iSCSI, Apache, LAMP Servers, Tomcat, Linux High Performance Computing, BMC Remedy Ticket Systems.
- Willing to relocate
- Authorized to work in the US for any employer
TECHNICAL SKILLS:
- Enterprise Architecture (EA), Information Systems Decision Making (ISDM), Strategic Planning for Database Systems (SPDS), IT Project Management (ITPM), Computer Interaction and Design (CID), Theories of Security Management (TSM), Communication Technologies (CT), Web Application Security (WAS), Advanced System Analysis and Design (ASAD), Advanced Network Security Design (ANSD), Cybercrime Techniques and Response (CTR).
- Excellent verbal and written communication skills.
- The ability to maintain both a professional and positive attitude at all times.
- Ability to effectively, maturely and cooperatively work as a part of a team.
- The ability to be proactive and work with irate customers and diffuse volatile situation
PROFESSIONAL EXPERIENCE:
Confidential, Washington, dc
Linux Systems Administrator
Responsibilities:
- Experience configuring GFS2 Filesystem and Resilient Storage Add-On to employ distributed metadata and multiple journals
- Experience in setting up Multipathing, Linux Cluster Management, Linux cluster resource allocation, Fencing, and LVM management.
- Knowledge of scanning storage interconnects. Scanning SCSI bus to see new storage. Scanning to detect New Luns.
- Luci management - Whole Clusters, Cluster nodes, Services within Cluster, resources within Cluster, global fence device instances within Cluster, Ricci deployment on nodes of the cluster to be managed with Luci and Cluster configuration testing.
- Experience in Installing, upgrading and configuring RedHat Linux 6.x., 7.x.
- Install and configure systems which support infrastructure and/or R&D activities.
- Experience in administering RedHat Linux. Experience in Installation, Configuration, Backup, Recovery, Maintenance, Support of RedHat Linux.
- Experience working with networking hardware, protocols, and theories
- Experience with load balancing
- Worked with BMC Remedy Developers and Administrators to set up Foundation data, open tickets and log tasks.
- Collaborate with 3PAR SAN Storage Administrator to manage storage arrays in customer’s environment both locally and remotely for geographically separate sites.
- Experience working with HP ProLiant BL460c G7 Servers
- Experience with Quota Management and SNMP configuration and script modifications.
- Experience starting and stopping SAS applications, LUCI and RICCI management.
- Team player with good management, analytical, communication and interpersonal skills.
- Familiar with IT security controls and documentation
- Experience in Installing Firmware Upgrades, kernel patches, systems configuration, performance tuning on Linux systems.
- Experience Configuring, DNS, NFS, FTP, remote access, and security management.
- Experience administering core network services (DHCP).
- Experience troubleshooting Linux system, security related issues, capturing packets using tools such as IPtables and Firewall. Administration, package installation, package management, setting up repositories, applying patches using YUM and RPM.
- Implementing security policies for hardening servers based on the company policies.
- Knowledge of the Software Development Life Cycle (SDLC) and Agile Software Development concepts.
Linux Systems Administrator
Responsibilities:
- Experience in Installing, upgrading and configuring RedHat Linux 6.x., using KickStart Servers and Interactive Installation.
- Experience in administering RedHat Linux. Experience in Installation, Configuration, Backup, Recovery, Maintenance, Support of RedHat Linux.
- Install and configure systems which support infrastructure and/or R&D activities.
- Experience on Webservers such Tomcat 4.x, 5.x, and Apache Webserver 2.x.
- Experience in administering VMware Infrastructure Client 3.5 and VSphere 4.x.
- Experience in Installation of MYSQL, PHP and LAMP Servers.
- Team player with good management, analytical, communication and interpersonal skills.
- Experience in Installing Firmware Upgrades, kernel patches, systems configuration, performance tuning on Linux systems.
- Experience creating Linux Virtual Machines using VMware Virtual Center.
- Experience with load balancing
- Experience Configuring DNSSEC, DNS, NFS, FTP, remote access, and security management.
- Experience administering core network services like DHCP
- Troubleshooting Linux system, security related issues, capturing packets using tools such as IPtables and Firewall. Administration, package installation, package management, setting up repositories, applying patches using YUM and RPM.
- Worked with Database administrators to tune kernel for Oracle installations.
- Implementing security policies for hardening servers based on the company policies.
- Knowledge of scanning storage interconnects. Scanning SCSI bus to see new storage. Scanning to detect New Luns. Scanning hosts using NMAP.
- Experience using security tools such as Ping/telnet/dig/traceroute/whois/netstat, tcpdump, netcat, OpenSSH, PUTTY, SSH.
Linux Administrator
Responsibilities:
- Experience administering, installing, configuring and maintaining Linux.
- Experience configuring and installing R packages and Shiny Server
- Experience configuring and installing ODBC (Open Database Connectivity)
- Experience installing and managing VMware tools
- Knowledge on how to configure DHCP in Linux
- Install and configure systems which support infrastructure and/or R&D activities.
- Experience on managing disk quotas
- Experience configuring SELinux
- Experience installing, upgrading and configuring RedHat Linux 6.x, 7.x using Kickstart Servers and Interactive Installation.
- Experience using password aging as mechanism to enforce lifetime of passwords
- Experience managing and applying RHEL Hardening Standards
Linux Systems Administrator
Responsibilities:
- Experience administering, installing, configuring and maintaining Linux.
- Experience installing, upgrading and configuring RedHat Linux 5.x, 6.x using Kickstart Servers and Interactive Installation.
- Experience installing, configuring and troubleshooting MYSQL
- Experience installing, configuring, and troubleshooting PHP
- Experience installing, configuring and troubleshooting LAMP servers
- Responsible for creating and managing user accounts, security, rights, disk space and process monitoring in CentOS and RedHat Linux.
- Configures DNS, NFS, FTP, remote access, and security management.
- Creates Linux Virtual Machines using VMware Virtual Center.
- Installs, upgrades and manages packages via RPM and YUM package management
- Installs Firmware Upgrades, kernel patches, systems configuration, performance tuning on Unix/Linux systems.
- Installs, configures and supports Apache on Linux production servers.
- Manage Patches configuration, version control, service pack and reviews connectivity issues regarding security problem.
- Manages systems routine backup, scheduling jobs and enabling cron jobs.
- Administered VMware Infrastructure Client 3.5 and Vsphere 4.1.
- Works with Database Administrators to tune kernel for Oracle installations.
Linux systems administrator
Responsibilities:
- Installed RedHat Linux using KickStart.
- Created, cloned Linux Virtual Machines, templates using VMware Virtual Client 3.5 and migrating servers between ESX hosts.
- Managed systems routine backup, scheduling jobs, enabling cron jobs, enabling system logging and network logging of servers for maintenance.
- Performed RPM and YUM package installations, patch and other server management.
- Installed and configured Logical Volume Manager - LVM and RAID.
- Documented all setup procedures and System Related Policies (SOP’s).
- Provided 24/7 technical support to Production and development environments.
- Administrated DHCP, DNS, and NFS services in Linux.
- Created and maintained user’s accounts, profiles, security, rights disk space and process monitoring.
- Provided technical support by troubleshooting Day - to-Day issues with various Servers on different platforms.
Help Desk Technician
Responsibilities:
- Managed call center activities to meet service level agreements.
- Performed PC support and maintenance for over 200 people.
- Installed and upgraded video cards, modems, hard drives, IDE controllers, SCSI drives, power supplies and memory components.
- Performed system configuration and troubleshooting.
- Resolved customer’s issues with Windows OS XP, 2000 Server as well as troubleshooting other technical issues with Apple computers.
- Assisted end users with setting up networks and Internet connections
- Scheduled dispatch for faulty products through Apples centralized database system.
- Secured sales of Apple products and warranties.
- Created and managed user accounts, security and rights in Redhat Linux.