TECHNICAL SKILLS:

Disaster Recovery: UNIX, HP - UX, AIX, LINUX SOLARIS, AIX, HPUX, LINUX, Device Drivers, Patch/Package Management, TCP/IP, DNS, FTP, NIS, Kernel Tuning, User Maintenance, File System (UFS, VXFS, HSM, VFS), VERITAS (VXVM, VCS, Disk Suite, Volume Manager and High Availability), ufsdump/ufsrestore, cpio, de, tar, UNIX Add On Packages Compilers, Databases (Informix, Oracle, Sybase), Source Code Control (rcs, sccs), SAMBA, HP BladeSystem enclosures, RAID arrays, APC UPS, and Cisco UCS servers.

Network cabling: VMWare vSphere, Websense Web Security, Veritas Enterprise Vault Cloud, Citrix XenMobile MDM, Microsoft SQL Server (2008, 2012, 2014), Symantec Mail Security, VMWare vCenter Server, Veritas NetBackup Enter-prise 7.x; VMWare ESXi 5.x; Windows 7, 8, 10, and Mac OS X. TCP/IP, SMTP, HTTP/S, FTP, SNMP, RDP, Ethernet, VPN, SSH, DFS, wLAN, DNS, WINS, and DHCP. DevOps, Puppet, Chef, Jenkins, Ansible, Docker, CI/CD.

EXPERIENCE:

Linux Systems Engineer

Confidential, Santa Clara, CA

• Responsible for builds and system support of over 1000 development servers
• RedHat (RHEL 6) servers, workstations and desktop builds on Virtual and physical servers.
• Installed and maintained puppet server for configuration management.
• Running LINUX(RedHat, SUSE, CentOS) and Solaris.
• Developed and implemented ticket triage process, including creating tech's skills matrix.
• Provided escalation and troubleshooting support for fellow engineers.
• Coordinated and lead several large projects with customers and engineers.
• Performed LUN provisioning with Unisphere for EMC VMAX/VNX/VPLEX
• Maintained complete UNIX inventory and on call scheduling.
• Responsible for HP DataProtector backup program.
• Automate tasks with scripting and improve the infrastructure Environment.
• Nagios system monitoring tool administration and configuration.
• Managed virtual servers and host platform servers using VMSphere.
• Shell scripting for sys. Admin purposes and performance monitoring (bash, perl, python, powershell).
• Install, configure, maintain and run PUPPET, NIS, HTTP, DHCP, DNS, SMTP, SNMP, FTP, WEB, LDAP, servers.
• Shell scripting for sys. Admin purposes and performance monitoring (bash).
• Install, configure VMware ESX, ESXi5.
• Apache/Tomcat/LAMP web server installation, configuration.
• Managed virtual servers and host platform servers using Vmware.
• Maintenance, support, upgrade patches, firmware upgrades, and fixes of Linux operating systems with SUSE manager and RedHat satellite.
• Deployment and operations of containers in Docker. Implemented Chef identity plugin in Jenkins to automatically create a AWS tag.
• Part of the team Installing and using chef server Enterprise on premise/workstation/bootstrapped the nodes using knife and automated by testing chef recipes, cookbooks with test-kitchen/chef spec.

Linux Admin

Confidential, Rupert, ID

• Maintained security protocols and compliance, risk analysis, disaster prevention and recovery, as well as requirement gathering.
• Optimized system performance, maintained security protocols, installed upgrades/patches/desktop images.
• Administered RedHat Enterprise Linux, Ubuntu, and CentOS servers
• Administered virtual machine support and architecture through VMware vSphere.
• Engineered the infrastructure for the expansion of foundational servers, VMs, etc.
• Supported server host machines, initialized VMWare vMotion setup, worked on DNS Resolution issues
• Supported Windows, Linux, and Macintosh machines and various methods of accessing the network.
• Server architecture, consultation.
• Subject matter expert on Virtual Machines, Macintosh, Windows, and Linux.
• Supporting various needs through cPanel/Webhost Management.
• Security-focused needs such as firewall setup and maintenance, anti-social engineering tactics, OS/Application hardening, implementing security settings, etc.
• Configured and administrates WAN/LAN networks consisting of CISCO router/switches, taclanes, and virtual private networks
• Managed and engineered VMware/Hyper V virtual environments for all enterprise networks

Unix Admin

Confidential

• Installation and configuration of operating system such as Sun Solaris, Linux, AIX.
• General Red Hat Linux System administration, OS upgrades, security patching, troubleshooting and ensuring maximum performance and availability.
• Use CIS Red Hat Enterprise Linux 6 Benchmark to harden newly installed systems. Setup and administer user and groups accounts, setting permissions, web servers, file servers, firewalls and directory services.
• Perform both interactive and automated (Kickstart) installations of Red Hat Enterprise Linux.
• Plan and execute RPM and YUM packages and update installations necessary for optimal system performance.
• Assist in LDAP server configuration for user authentication on network. Install and configure Apache and provide support on testing and production servers.
• Manage file systems using software RAID and Logical Volume Management. Create Virtual machine using VMWare and KVM, automate disaster recovery planning and maintenance for the virtual environment.
• Diagnose and resolve problems associated with DNS, DHCP, VPN, NFS, and Apache.
• Experience with networking using TCP/IP and maintaining network. Provide resolutions to issues by performing system tuning and troubleshooting.
• Design and implement creative solutions that improve system processes through automation and documentation.
• Configuring and Administrating NFS Client/Server, Telnet and FTP.
• Viewing and controlling the Processes running on the system and automating repetitive tasks. User Administration by creating, maintaining User's accounts and groups, setting up User environments.
• Documentation and Tracking of issues, logs and audit files. System efficiency and performance monitoring. Disk and Network usage.
• Maintaining file systems, Checking and repairing file systems and monitoring file system usage.
• Implementing various security tools like SETUID, SETGID and STICKY BIT on file system for providing secure access.

Unix Admin

Confidential

• Integrating UNIX file systems using packages like SAMBA. Setting up printers on UNIX / NT machines to work seamlessly across platforms.
• Installation and configuration of Oracle database on Solaris Servers.
• Integration of Linux/Solaris with Active Directory (LDAP).
• Hands on experience providing enterprise support to Linux and Centos servers
• 80% Linux support & 20% Windows support environment
• Knowledge of shell scripting in running system jobs
• Network operations center supporting system users
• Administered user accounts and passwords
• Documentation and tracking of issues, logs and audit files
• Update server baseline document in line with changes on servers
• Installed and implemented new patches to Linux operating system
• Installation, configuration and daily support of Apache Web Server
• Experience in network configurations to include knowledge of switches, hubs and firewalls
• Policy management and applying Network File Systems for sharing resources across the network
• Implemented network communications on servers
• System performance monitoring and capacity planning in anticipation of resource usage and needs