Senior Unix System Administrator Resume
Piscataway New, JerseY
CAREER OBJECTIVE:
A challenging position in a company where my technical and interpersonal skills can be used to enhance productivity to bring
innovation through experience.
SUMMARY:
- Over 15 years of IT experience as a UNIX System Administrator in a diverse, distributed and networked multi-platform environment
- Extensive experience in setup, configuration, upgrade, maintenance, performance monitoring and troubleshooting on different UNIX platforms like Sun Solaris, RedHat Linux, HP-UX, Windows system software and hardware.
- Installing, upgrading, patching and configuring Sun Solaris 9/10 on Sun Servers using Jumpstart and Live Upgrade.
- Hands on experience in administration and maintenance of application services like DNS, HTTP, Apache Tomcat, DHCP, FTP, NIS, NFS, ZFS and SSH.
- Implemented and enhanced UNIX shell scripts using Korn, C Shell, Bash, and AWK.
- Experienced in Volume Management, Disk Management, software RAID solutions using VERITAS File System (VxFS), coordinated with SAN Team for storage allocation and Disk Dynamic Multi path.
- Plan, document and support high availability, data replication, fail-over, fail-back using SUN Cluster and VERITAS in a SAN environment.
- Effective communication skills developed through continuous interaction with global clients, vendor management, and internal management.
- Expert in documentation and management of standard operating procedures, test plans, and providing the best practices for the processes.
- Excellent ability to handle significant workload with experience in managing multiple projects concurrently in a matrix process environment.
PROFESSIONAL EXPERIENCE:
Confidential,Piscataway, New Jersey
Senior UNIX System Administrator, August 1997 to Present
Position Overview: Presently responsible for the production multi-tenant data platform infrastructure of wireless telecommunications companies providing national Mobile Virtual Network Operators (MVNOs) offerings. This platform provides data content (Web Browsing, Data Content, Instant Messaging, picture mail, etc.) as well as provisioning and real-time charging of mobile phone subscribers.
- Deployed over 100 Sun servers in a Production and Test environment for multiple Mobile Virtual Network Operators (MVNO’s).
- Purchase and configure servers, load balancers, switches, etc. to support project growth and new customers initiatives.
- Support multi-tenant platform with capabilities to launch a new customer in production within a 90 day period.
- Configured multiple Sun X4500 servers using ZFS file system.
- Provide Tier 2 support for all Trouble Reports that come in from our customers.
- Developed and customized shell scripts that resulted in improved systems monitoring and automation.
- Performed Solaris Live Upgrades on clustered Sun Servers to reduce downtime.
- Perform upgrades to Sun Clusters and manage the resources and other packages associated with them.
- Perform system administration duties using Veritas Volume Manager and SUN Volume Manager software.
- Support Tivoli Net manager to track system traps and heartbeat failures.
- Install and maintain Patches as per the Standard Operating Environment (SOE) and the Technical Operating Environment (TOE).
- Maintain production validated servers to insure accuracy of software on systems.
- Install and administer Oracle Servers. Oracle administration tasks include applying patches, configuring listeners, maintaining servers with multiple oracle installations and supporting multiple database instances. Update databases using SQL scripts.
- Provide change control and change management of processes using Quality Method of Operation (QMO) guidelines.
- Provide training and mentorship on Platform Administration for customers and co-workers.
- Document procedures and processes and maintain them on internal web site and shared storage devices.
- Plan disaster recovery procedures for our Production environment.
Confidential,Consultant, Florham Park, New Jersey
Lead UNIX System Administrator, January 1997 to August 1997.
- Installed and maintained IRIX, Solaris UNIX environment supporting over one hundred researchers and engineers.
- Installed and maintained operating systems, hardware (Hard disk, tape jukebox, modem, tape drive, RAM, TCP/IP network card, SBUS card for serial port connections, WYSEnet Terminal server, etc.), local and third party software such as ORACLE and SAS.
- Monitor systems activities and tuning system parameters to make these overloaded systems have a better response time.
- Set up a restricted FTP server, HTTP Apache Web server, DNS, NIS servers and clients.
- Add new systems to the network. Configure NFS and Automounter.
- Restoring files from backups. Customize RC scripts.
- Write shell scripts to automate as many of the activities as possible such as disk quotas, file system backup, addition of users, etc.
Confidential,Tinton Falls, New Jersey
UNIX System Administrator, February 1995 to January 1997
- Maintained multiple Silicon Graphics, IBM AIX, SCO Unix, and DEC VAX environments to run specialized modeling and simulation application.
- Proficient in shell scripting to automate mundane tasks.
- Developing, coding, debugging and testing communications model from standards and specifications.
- Created Websites for internal product and applications.
Confidential,Shrewsbury, New Jersey
UNIX Administrator / Senior Systems Engineer, November 1993 to February 1995
- Administered a multi-platform (AIX, SCO, and IRIX) environment for the U.S Army’s Department of Defense.
- Automate procedures by writing shell scripts using the UNIX Operating System and database programming.
- Design and code Communication Models using the Open Systems Interconnection (OSI) protocols. and TCP/IP protocol suite.
- Construct deployment scenarios and traffic generating algorithms.
Confidential,Presently Confidential,, Eatontown, New Jersey
Systems Engineer, November 1991 to October 1993
- Used real time multitasking operating systems to provide software development support
- Responsible include testing, troubleshooting, programming, and documenting communications simulations.
- Involved with the simulation of TCP/IP, X.25, X.400, GOSIP Communications Protocols.
- Create and modify windows application programs using Software Development Kit (SDK) and C programming.
- Responsible for purchasing workstations with proper application software installed.
COMPUTER SKILLS:
Operating Systems: Solaris, SunOS, HP-UX, RedHat Linux, IBM AIX, and SGI IRIX.
Hardware: Sun Enterprise, HP servers, DELL PowerVault, IBM Blades and p630, Silicon Graphics.
Installed CPU’s, memory, tape drives, disk drives, CDROM drives, and other boards and plug-in level components, as well as configuring devices.
Network: NFS, NIS, DNS, TCP, FTP and SSH.
EDUCATION:
B.S., Electrical Engineering.
Training Classes include: UNIX Administration for SUN, HP, IBM, and SGI systems. TCP/IP MC/ServiceGuard, and Oracle