SUMMARY:

Use my knowledge, experience, and professionalism to perform all functioning aspects of a UNIX system administrator in a multiplatform environment.

TECHNICAL SKILLS:

Operating Systems: SUN Solaris, HP - UX, Redhat Enterprise Linux, Windows

3rd party software: Veritas, CA Siteminder, Tomcat, Apache, Icinga / Check MK

PROFESSIONAL EXPERIENCE:

Confidential, NY

SYSTEMS ADMINISTRATOR

Responsibilities:

• Environment consists of Solaris, RedHat, and Windows servers and desktops
• Administration and Engineering of UNIX and Storage environments, including capacity planning, server installation, network monitoring, troubleshooting, and hardware and software upgrades.
• Primary focus on Production Datacenter support.
• Also provide support for systems running VMWare, Checkpoint firewalls, RSA SecurID, Cisco network, Websense Web proxy.
• Manage, maintain and configure Cisco 4507, nexus 5548 and 2248 switches.
• Experience with configuring, managing and maintaining F5 Big - IP LTM infrastructure.
• Support and maintain Cisco UCS infrastructure with patches, upgrades and building out new server blades.
• Also support and maintain EMC XIO and Isilon storage arrays.
• Use Git repositories and Ansible to automate and maintain Linux system configurations.
• As the company moves towards the DevOps model (Docker Swarm, TeamCity, BitBucket, ArtiFactory, etc…) - provide Ops part of input to the process
• Working knowledge of glusterfs, pacemaker, corosync, and drbd

Confidential, NY

V.P. (UNIX SYSTEMS ADMINISTRATOR)

Responsibilities:

• Implement Conserver to standardize Linux console access and importantly capture console data to assist with RCA of server crashes.
• Introduce Confluence Wiki to serve as a documentation repository and migrate team calendar from Sharepoint to Confluence.
• Provide day-to-day and oncall support.

Confidential, NY

UNIX OPERATIONS L3

Responsibilities:

• Provide day-to-day and oncall support of theUnix and Storage infrastructure consisting of 12,000 hosts globally
• Unix infrastructure consisted of AFS, RH Linux, and Solaris
• Storage infrastructure consisted of SAN (Brocade and HDS) and NAS (Netapp)
• Work with unix and storage engineering to test/deploy updates in the environment, including os/application patching, optimization, beta testing, etc…
• Work with the host allocation team to carve out and present storage to hosts.
• Troubleshoot, diagnose, and resolve performance issues on unix hosts, SAN, NAS, and Network
• Train L2 personnel on policies and procedures, general unix/storage troubleshooting
• Field escalations from L1 and various L2 teams
• Review/Approve/Author documentation for L2 teams

Confidential, Jersey City, NJ

V.P. (UNIX SYSTEMS ADMINISTRATOR)

Responsibilities:

• Establish/Improve standards as necessary
• Provide guidance on technical issues as necessary
• Build and Support multinode Veritas Clusters using N+1 configuration using Veritas HA Foundation Suite 3.5, 4.0 running on Solaris and Linux
• Build, maintain & support servers running Redhat ES
• Deploy Application software across Linux farm for multiple projects in NY
• Participate in Host Based storage migration attached to an EMC San.
• Compile and build perl modules and RPMs
• Maintain Kickstart server for the Equities group
• Create customized post-install scripts for different applications.

Confidential, NY

UNIX SYSTEMS ADMINISTRATIOR

Responsibilities:

• Maintaining & supporting SUN servers ranging from an Ultra 2 to an E6500 and the Sunfire line, based on Solaris 2.5 - 2.9 version
• Backup support for HP systems ranging from an D380 to an V-class server based on HP-UX 10.20 - 11.0 version
• Work with external storage such as EMC Symmetrix, Sun Storedge A5x00 arrays, HP Autoraid and Jamaica
• Building, maintaining & supporting servers running Redhat 7.3
• Work with Veritas Cluster 2.0, Veritas Volume Manager 3.1,3.2, 3.5 and Solstice Disksuite 4.1, 4.2
• Work with NIS, NFS & DNS
• Implementation of Disk Mirroring using Solstice Disksuite 4.1, 4.2 and Veritas Volume Manager 3.1,3.2,3.5
• Writing scripts to automate everyday monitoring (i.e. file system space, ping, etc…)
• Work closely with DBA support to implement database server requirements
• Installing, upgrading and troubleshooting of Sun & HP systems
• Remote installations of UNIX Operating system and applications using Ignite, Jumpstart, and Kickstart
• Installation and replacement of disks and maintenance of SUN and HP systems
• Installation and Configuration of third party applications (Swift, Weblogic, Direct Connect, MQ Series)
• Working knowledge of freeware such as Tomcat, Mod jk, and Apache
• Troubleshooting of day to day UNIX problems in HP and SUN
• Applying system and application patches as and when required

Confidential, Roseland, NJ

SR. OPERATIONS SUPPORT SPECIALIST

Responsibilities:

• Monitoring Prudential’s Step/GL Servers and Workstations via Tivoli, ranging from UNIX to NT platforms, Database Servers and File Servers, using client/server applications such as Dunn and Bradley’s SmartStream and AutoSys.
• Monitoring access to the system, changing permissions for files and directories, resetting user permissions and passwords on UNIX servers.
• Perform daily backups for various Prudential sites on both NT, UNIX, and AIX servers using Networker, ExecView, Veritas, ADSM, and ARCserve software, as well as restoring file systems upon request.
• Work closely with support teams such as UNIX Engineering Group, Sybase Support, Help Desk, Problem Managers, and LANOPS to troubleshoot client/server problems. Also work with and coordinate problem management with Sun technical support.
• Perform weekly scheduled maintenance on both UNIX and NT servers such as weekly shutdowns and software upgrades.
• Maintaining runbooks as well as creating procedures for new projects.
• Responsible for creating daily procedures for ADSM. Which included daily tape ejects, recalls, and automating corresponding mail output.