Senior Linux Engineer Resume
Lorham Park, NJ
SUMMARY
- Over 20 years of IT Experience as Systems Engineer in Solaris, AIX and Linux on POWER 6/7/8, HP Proliant, UCS Cisco, IBM Boxes J, H, 604 & P series, Sun Sparc Servers in an financial, defense and hospital data centers in a 24/7 environment. Top Secret Security Clearance with DOD.
- Installation and administration of Solaris Versions 2/3/4/5/6/7/8/9/10 , Aix 3/4/5/6/7, Red Hat 5/6/7
- Installation of packages, configuring and administrating Active Dir, NIS PLUS, DNS, NFS, SAMBA, Secure Shell
- Extensive working knowledge in Veritas Volume Manager (VxVM, VxFS) & Clusters for disk management, volume management & increased disk availability
- Configuration & administration of Solaris Volume Manager
- Installation and configuration of SAN’s, IBM Sharks, Sun StorEdge, Disk Dynamic Multi path.
- Configuration of containers & zones in Solaris 10
- Automation of jobs through crontab & autosys
- Experienced in performance tuning of Sun
- SPARC and Linux servers using tools like top, prstat, vmstat mpstat, iostat and capacity planning
- Developed UNIX shell scripts using bash, korn Scripting, SED and AWK to ease the administration tasks
- Experience on VMware and PowerVM to manage Red Hat and AIX servers
- Experience on Apache and knowledge on mysql
- Designed and installed Apache Web Load Balancers
- Working experience in testing, development and production environment
- Formulated and maintained a local and remote business disaster continuation plan.
- Installation of Windows NT/2000 XP Vista Operating System.
- Designed and Installed AIX “HACMP” systems: a highly available cluster of multi processors.
- Installed Cisco Switch and routers. Installed and configured of Cisco access routers and firewalls.
TECHNICAL SKILLS
OS: Sun Solaris (5/6/7/8/9/10) SPARC/x86, Ubuntu Linux 11/12, AIX (3/4/5/6/7), Red Hat 5/6/7, Windows NT Windows 2000 Professional, Windows 95/98/XP
Networking: NFS, AutoFS, NIS, DNS, LDAP, DHCP, LAN, WAN
Databases: MySql, Oracle, Sybase, Informix
Hardware: SPARCSTATION (5, 10, 20), ULTRA (2, 5, 20), SUNFIRE (V100, V240, V440, V480, V880 280R), E250, E450, E420R, E4500, E6500, E6800 servers, StorEdge 3960 SAN, IBM J, H, 604 P series, UCS, IBM XIV SAN, SSA, Cisco routers 2000/3000 series and 5000 switches, peripheral devices
Utility Packages: VMware, PowerVM, VERITAS Volume manager (v4.x, 5.x), VXVM, Solaris Volume Manager, VERITAS Cluster Server (v4.x), VCS, VERITAS File system VXFS (v4.x, 5.x) Admintool, Remote Admin, AIX Volume Manager, HACMP, Zones, Net Backup, IBM’s Sysback
LAN: Cisco Switches Routers, Load Balancers
Protocol: TCP/IP, FTP, HTTP, ARP, RARP, UDP, and Routing Protocols
Security: SSH, SCP, SUDO, Axent, Cert, Sun, IBM, Big Brother, SCAP
Languages: Shell Programming, KSH BASH
Webservers: Apache
PROFESSIONAL EXPERIENCE
Senior Linux Engineer
Confidential, Florham Park, NJ
Responsibilities:
- Red Hat 5,6,7, VMware, Windows 2008, 2012, 10, SCAP Tool, Patching OS and Apps, Subscription Manager.
- Configuring Volume Groups and Logical Volumes, extended logical volumes for system growth needs using LVM.
- Work on Requirement gathering, Implementation, Testing, Documentation, Production support and End - User support.
- Monitor error and system logs for all servers.
- Work out of our Remedy ticket tracking system to work on Trouble Tickets and Change Requests.
- Provide technical expertise to the identification, design, modification and implementation of integrated services and technologies at the Enterprise level.
- Review test plans, results analysis, capacity planning guides, Innovate solutions to improve performance engineering effectiveness
Systems Engineer Unix/Linux
Confidential, Jacksonville, FL
Responsibilities:
- Red Hat 5,6,7 VMware, HP ilo Manage 100+ servers. PowerVM to manage AIX 6,7.
- Installed, configured, tested, monitored servers. Preformed all Patching of OS from Rhel Subscription Manager and NIM Server. Configured LDAP for all servers.
- Troubleshot HW & SW issues/failures. Upgraded Rhel 5/6 and 6/7 DB and App servers.
- Architect of numerus multi server Applications.
- OpenSCAP to Harden Rhel 6,7 servers and created Templates.
Unix / Linux Engineer
Confidential, Jacksonville, FL
Responsibilities:
- Tier three/four level support for 5000 Aix and Red Hat Servers across 3 environments.
- Responsible for monitoring, installation, configuration, debugging, administration, troubleshooting and maintenance.
- Used VMware to manage Red Hat Servers and PowerVM to manage AIX servers.
- Troubleshoot software and or hardware issues/failures.
Linux SME Expert V
Confidential, Alexandria, VA
Responsibilities:
- Enforce password policies are followed and in compliance across Linux servers.
- Adding DOD SSL certificates for all storage and backup systems running Suse Enterprise and Red Hat Enterprise Linux.
- Changing the mode and ownership of specific files to meet DoD security requirements.
- Adding all Linux hosts to the log server (Splunk) so that the systems can be audited for suspicious activities.
- Futures trading the SP, Dow Nasdaq, Euro Markets
- Analysis of market conditions based on Economic indicators.
- Administer Windows 7 base trading platforms.
Systems Engineer Unix
Confidential, Pearl Harbor, HI
Responsibilities:
- Tier two level systems support for Solaris and Windows servers.
- Tier two level support network switches and routers.
- Support upgrade of Cisco Prime Optical.
- Installed FLAR on Replacement server for Dande Application.
- Engineered MYSQL Database & Dande Application.
- Upgraded Netcool servers and tuned ZFS file system. Engineered SQL Statements that resulted in major time saving for NOC Technicians.
Systems Administrator
Confidential
Responsibilities:
- Installed and configured and administered Ubuntu Linux Servers.
- Installed and configure windows base work stations and trading applications.
- Wrote shell script’s “Bash” for cron job’s and startup programs.
- Responsible for backup and restore Linux servers and off-site storage.
- Constant monitoring of system performance and managed file systems.
- Designed and implemented security procedures and monitoring for firm.
- Formulated and maintained a remote business disaster continuation plan.
- Engineered Systems Configurations
Senior Unix Engineer
Confidential, Trenton NJ
Responsibilities:
- Configured and administer 6800 Veritas Clusters using Veritas Volume Manager (VxVM, VxFS) & Clusters.
- Install, up graded and administered E420R, E4500 V480, V880 servers.
- Engineered and upgraded Sun StorEdge 3960 SAN with larger switches and more disk arrays.
- Designed and installed Apache Web Load Balancers.
- Upgrading Solaris 8/9 to Solaris 10 using live upgrade and manual upgrade.
- Configured, installed and administered Solaris Containers (Zones).
- Perform all duties related to Solaris system administration NIS+, DNS. Automount NFS, user account maintenance, backup & recovery.
- Monitoring system resources, logs, disk usage, scheduling and monitoring backups and restore on Veritas Net Backup 6.5.
- Installation, configuration and maintenance of Veritas Volume Manager on Sun Solaris environment.
- File system management using VERITAS Volume Manager4.x on Sun Solaris environment.
- Documentation of all the setup procedures and system related policies.
- Trained Jr Administrators on Clustering and SAN technology.