System Administrator Resume
ChicagO
SUMMARY:
- Over 18+ years of IT experience in System Administration on UNIX operating systems such as, RHEL 5/6/7 Linux ( Red Hat) and Confidential 8/9/10/11, SCO Open Server with an emphasis on uptime/reliability and support in a 24x7 production environment.
- Experience in installing, configuring and maintaining Confidential VNX, Confidential Compellent, Confidential, Confidential Storages, Brocade and Cisco SAN.
- Experience in Confidential (Formerly known as VERITAS) NetBackup 7.1/7.5/7.6 with FT Media Server installation, configuration and administration.
- Experience in Storage, Disk Management and Logical Management using LVM, Solstice Disk Suite and VERITAS Volume Manager.
- Experience in Implementation of Hardware and Software Raid Level Configuration and maintaining Critical Servers.
- Experience in installing, configuring and managing Confidential /Satellite server and Puppet Server.
- Experience in server hardening and remediate vulnerabilities in PCI/HAN Environment.
- Experience in Installation, configuration and deployment of VMware products such as VMware ESX/ESXi, vSphere, vCenter Server, vSphere Client, vSphere web client, VMware converter.
- Experience in Implementation of Print Servers and Web Servers.
- Migrate production VMs using Storage vMotion to new Datacenter.
- Configure storage LUNs for VMFS and raw disk mappings (RDM’s).
- Provision VMware Datastore’s and configure storage for Virtual Machines.
- Using VMware vCenter, created Data Center Environment by creating VMware clusters, adding ESX hosts in the clusters, and implemented HA and DRS.
- Install and configure VMware ESXi 6.0/6.5 Servers.
- Experience in Installation of Confidential ’s and Firmware update on multiple platforms.
- Configuring and Administering Confidential, Confidential, WINS, SNMP, LDAP, SMTP, POP3, IMAP, NAT
- Experience in managing system security, performance tuning, change management, documents and procedures.
- Excellent skills in analyzing, designing, implementing and system integration. Broad knowledge in monitoring and performance tuning.
- Supported a highly available round the clock production environment.
- Experience in installing, configuring and maintenance of Windows 2003/2008/2012 Servers.
- Experience in installing, configuring and maintenance of Radware Alteon Load balancers.
- Experience in installing, configuring and maintenance of F5 Load balancers.
- Experience in installing, configuring and maintaining Confidential Firewalls, Switches, IDPs and Fortigate Firewalls.
- Possess Good Communication Skills and Interpersonal Skills. Self - Motivated, Quick Learner and Supportive Team Player.
- Creative, Organization skills, Team-oriented, Responsible, Self-starter, problem solver, persevering and decisive; enthusiastic person with the drive and determination to do whatever it takes to get the job done
- Proficiency in handling the critical situation and maintaining the healthy relationship with the customers.
- Experience in Installing, configuring and maintenance of Oracle OPS Centre and Oracle VM.
- Experience in installation and configuration of Proxy Servers and Firewall.
TECHNICAL SKILLS:
- Technical Exposure: Network Operating Systems Red Hat Enterprise Linux 5, 6 & 7. Sun Solaris 8, 9, 10 and 11. Windows Server NT/ 2000/ 2003/2008/2012
- SCO: Unix Cisco IOS Systems Hardwares/Storages
- Dell Compellent, Dell FluidFS NAS, IBM DS5020, IBM V5000, IBM N3220 NAS Storages, EMC Clarion and EMC VNX Storages, Dell M1000E Chassis and Blade servers.
- Dell FX2 Chassis and Blade servers. Brocade SAN Switches, CISCO MD Series SAN Switches.
- SUN T4 & SUN T5 Servers, SUN M4000, SUN Fire V880, V440, V240, V210, SUN Blade 100 servers, SUN 420R, 220R, E250 servers, SUN Blade 1000SUN 420R, 220R servers, SUN Storedge D1000/D3100
- SUN Blade 2000, SUN Storage 2540.
- Dell Power Edge Series Servers.
- IBM Netfinity Servers and IBM x3550/x3650/x3850.
- HP and Compaq Proliant Servers.
- Specialix Terminal server, Multiplexer.
- SGI (Silicon Graphics Inc. ) Origin 200, 300,350, Tezro machines
- Networking Hardware
- CISCO ASA Firewalls, Routers, Switches, Cisco ACS, Cisco and Linksys Wireless Routers, Juniper Firewalls, Juniper Switches, Juniper IDPs, Fortigate Firewalls, WAN Connectivity Modems.
- Backup Devices
- Quantum iScalar 6000 Robotic Tape Library, IBM TS3100 Tape Libraries, IBM TS7620 VTL Storages, STC 1960 tape drives, IBM 3590 tape drives, LTO drivers, DLT drives, Exabyte drives.
- Network / Backup Tools
- CommVault
- VERITAS/Symantec NetBackup
- VERITAS Volume Manager
- Solstice Disk Suite
- Software
- MS Office
- MS Outlook, Lotus Notes
PROFESSIONAL EXPERIENCE:
Confidential, Chicago
System Administrator
Responsibilities:
- Primary responsibility includes configuration & administration of the UNIX Servers (RHEL 5/6/7 Linux Servers, Solaris 9/10/11 Servers).
- Installation, configuration and administration of Confidential /Satellite Servers.
- Installation, configuration and administration of Puppet Master Server and Puppet Agents.
- Roll out OS patches using Puppet.
- Roll out configurations using Puppet.
- Remediate vulnerabilities periodically, found on the security scan in the PCI/HAN Environment.
- Installation, configuration 2 Factor Authentication in PCI Servers.
- Installation of Confidential ’s and Firmware update on multiple platforms.
- Installation, configuration, maintenance and administration of SAN/ Confidential Storage devices.
- Ensuring and managing the services and servers availability to meet the SLA
- Configuring the Software RAID and VERITAS Volume Manager for SAN storage file system for network drives.
- Ensuring the daily backups, weekly backups and monthly backups being carried out in a scheduled manner through CommVault and NetBackup.
- Maintained Confidential, Confidential .
- Configuring DFS for sharing folders and files over the enterprise network
- Provisioning the storage LUNs not only to Unix/Linux system but also Windows and Exchange systems.
- Monitor and Maintaining the Data Center
- Working with Database Administrator and Web developers to meet their requirements in the infrastructure.
- Ensuring the warranty support of all the hardware.
- Install, configure and deploy VMware products such as VMware ESX/ESXi, vSphere, vCenter Server, vSphere Client, vSphere web client, VMware converter.
- Migrate production VMs using Storage vMotion to new Datacenter.
- Configure storage LUNs for VMFS and raw disk mappings (RDM’s).
- Provision VMware Datastore’s and configure storage for Virtual Machines.
- Using VMware vCenter, created Data Center Environment by creating VMware clusters, adding ESX hosts in the clusters, and implemented HA and DRS.
- Install and configure VMware ESXi 6.0/6.5 Servers.
- Create clones and templates of Virtual Machines.
- Deploying VMs through Templates.
Environment: RHEL 5/6/7 Servers. Confidential 9/10/11 Servers. CommVault and NetBackup. Windows 2003/2008/2012 and 2012 R2=
Confidential, Charleston, SC
System Administrator
Responsibilities:
- Ensuring and managing the services and servers availability to meet the SLA
- Primary responsibility includes configuration & administration of the UNIX Servers (on Solaris 8.0/9.0 Servers, RHEL 5/6 Linux Servers), Additional responsibility is to being a backup for Window 2003/2008 Servers.
- Installation of Confidential ’s and Firmware update on multiple platforms.
- Installation, configuration and maintenance of SAN/ Confidential Storage devices.
- Configuring the Software RAID and VERITAS Volume Manager for SAN storage file system for network drives.
- Ensuring the daily backups and weekly backups being carried out in a scheduled manner through VERITAS NetBackup.
- Maintained Confidential, Confidential .
- Configuring DFS for sharing folders and files over the enterprise network
- Allocating the storage disk spaces not only to Unix/Linux system but also Windows and Exchange systems
- Replace one third of the server every year to meet the current technology and migrate the old servers with the new servers with least possible downtime
- Configured, maintained and monitored MRTG graphs for network traffic
- Managing the security and service requests
- Installing and configuring VPN users in CISCO ACS and monitoring
- Monitor and Maintaining the Data Center
- Interacting with the various vendors and getting quotes for all the hardware and software
- Working with Database Administrator and Web developers to meet their requirements in the infrastructure.
- Ensuring the warranty support of all the hardware and software, and refreshing the servers five years cycle.
- Carried out periodic server refresh to meet the new technology with minimal down time.
Environment: Windows/ 2000/2003/2008 and Windows XP/Windows 7 as Client Systems. Confidential 8.0/9.0 Confidential Power Edge Series Servers. Confidential Netfinity Servers and Confidential x345/x3650/x3850
SUN Storedge D1000/D3100, SUN Fire V880, V440, V240, V210, SUN Blade 100 servers, SUN 420R, 220R, E250 servers, SUN Blade 1000, SUN Blade 2000.
Customer Support Engineer
Confidential
Responsibilities:
- System Administration of Oracle/ Confidential Servers, RHEL Servers for day to day Problems, OS and software Patch updates, User Administration and Hardware Failure.
- Installation, configuration and maintenance of Oracle/ Confidential Servers, RHEL Servers & Windows 2003/2008/2012 Servers.
- Ensuring the daily backups and weekly backups being carried out in a scheduled manner through VERITAS NetBackup.
- Regular Disk Management like Adding / Replacing Hard Drives on Existing Servers / Workstations, Partitioning according to Requirements.
- Creating New File Systems or growing existing one over the Hard Drives and Managing File Systems.
- Regular system admin activities like user creations and management, performance tuning, disk management and system backups.
- Configuring Distributed File Systems and Administering NFS Server and NFS Clients and editing Auto-Mounting Mapping as per System / User Requirements.
- Scheduling System related cron jobs, Printer Maintenance and Managing Printers (Network, Local, Remote and Serial) using, Admin tool and LP admin utility.
- Confidential of File System using FSCK and other Utilities.
- Maintaining appropriate file and system security, monitoring and controlling system access, changing permission, ownership of files and directories, maintaining passwords, assigning special privileges to selected users and controlling file access.
- Installation, configuration and maintenance of Mail Server (Lotus Domino Server), Proxy server (Netscape).
- Installation, configuraion and administration of Confidential NetBackup 7.6 Master Server.
- Installation, configuraion and administration of Confidential NetBackup 7.6 FT Media Server.
- Installation, configuration and administration of Confidential Endpoint Protection Suite.
- Installation, configuration and administration of CISCO ASA Firewalls, Routers and CISCO Switches.
- Installation, configuration and administration of Confidential Firewalls, Switches and IDPs.
- Installation, configuration and administration of Fortigate Firewalls.
- Installation, configuration and administration of Radware Alteon Load Balancers.
- Installation, configuration and administration of F5 Load Balancers.
- Network layout preparation and implementation of LAN/WAN.
Environment: Solaris 7.0/8.0/9.0/10/11 , Red Hat Enterprise Linux 5/6 and SCO Open Server Windows NT/ 2000/ 2003/2008/2012