SUMMARY:

Using my skills in the best possible way for achieving the company’s goals, also providing best customer satisfaction/ service by means of my technical talents.

TECHNICAL SKILLS:

Operating System Platforms: Solaris SME, Linux SME, Windows, AIX(intermediate).

Hardware Platforms: Oracle Sparc/x86, Sun Blades, HP Proliants,HP Blades, Confidential Power, Confidential System X, Confidential Blades, Dell etc.

Storage platforms: Sun storage, HP Storage, EMC, Netapp, Hitachi

DB Platforms: Oracle, Sybase, TimesTen, MySQL, MSSQL

File Systems: VxFS, UFS, ZFS, NFS, CFS, EXT3/4, GFS, JFS, GPFS, HDFS

Volume Management Tools: Veritas Volume Manager, Solaris Volume Manager/ZFS, Linux LVM, GFS/GFS2, AIX LVM.

High - availability Tools: Veritas Cluster Server, Solaris (Sun) Cluster, RedHat Cluster Suite, Confidential GPFS2 Cluster, HADOOP

Backup Tools: Veritas Netbackup/BackupExec, Unix ufsdump /ufsrestore

Virtualization: Solaris containers/zones, Oracle VM(VirtualBox), Vmware(vSphere/ESXI) Server, KVM, Citrix XenApp/XenDesktop

Networking: TCP/IP, OSI, DNS/BIND, DHCP, NIS, NIS+, NFS, LDAP, jumpstart/kickstart, PXE, F5 Big IP LoadBalancers, Cisco/Brocade SAN switches, Cisco IOS, Cisco NX-OS(SAN-OS).

Web & Application Servers: Apache HTTPD, Tomcat, NGINX, NGINX+, Sun Java Web Server, Sun Java Enterprise Server.

Configuration Management Tools: CFEngine, Puppet, Ansible (some knowledge)

Monitoring and Ticketing Tools: Nagios, Oracle OEM, HP OpenView, BMC Patrol, BMC Remedy, JIRA, ServiceDesk, PIER, ServiceNow.

Datawarehouse and Business Intelligence Tools: Confidential Netezza, Informatica, HP Vertica, Teradata, Tableau Software, Business Objects.

Version Control: SVN, GIT, Mercurial

OpenSource Implementation: Apache Hadoop, Kafka, Zookeeper, Flume

System Security: Solaris ipfilters, Linux iptables, SELinux, Checkpoint, RBAC (role based access), auditing, Wireshark, snoop/tcpdump, KALI/backtrack penetration testing tools, openSSL/TLS

Development Tools: Shell Scripting(advanced), Python(mid-level), Java(entry level), Perl(entry-level), C/C++(basic understanding), SQL

Software: Confidential OSS RC, Huawei OSS, Moshell, Confidential E911, TNF SourceWorks, TNF SmartWorks, TNF Vantage, Apache Hadoop.

Technologies: GSM(2G), UMTS(3G), LTE(4G), call flows, control plane signaling, user plane data transmission, E911.

Interfaces and Protocols: SS7, SIP, MAP, GTP(GPRS Tunneling Protocol), Um(Air interface, radio communication), ISUP/TUP, Abis, A, Circuit Switched Network, Packet Switched Network, Evolved Packet Core Network, Gn, Gp, S1U, S11.

Clouding: Amazon Web Services AWS VPC, EC2, SSS.

EXPERIENCE:

Confidential, Bothell, WA

Senior Linux Administrator - EIT

Responsibilities:

• Supported more than 10.000 Linux/Unix servers in a corporate and very fast paced environment
• Responsible hands-on operation like SAN resizing, SAN migration, cluster configuration, file system operations, performance tuning, scripting etc.
• Deployed Linux Servers on vmware
• Deployed Linux Servers on AWS (EC2)
• Deployed and configured AWS VPC (Virtual Priavete Cloud)
• Worked closely with application and DB teams.
• Patched 4000 Linux servers in coordination with automation team using Puppet.
• Documented the processes
• Resolved tickets within SLA’s.
• Wrote scripts with Shell & Python to automate repetitive tasks.
• Provided 24 x 7 on call support as part of a scheduled rotation with other team members.
• Provided advanced troubleshooting for applications and systems.
• Provided senior level technical support for Unix related project activities.
• Built and modified systems to meet project and user requirements.
• Participated in design and code reviews.
• Provided mentoring to fellow administrators.
• Evaluated hardware and software requirements and influenced purchase decisions.
• Configured and tuned hardware and software to insure optimum performance and resource utilization.
• Also responsible for other Duties/Projects as assigned by business management as needed.
• Here is report retrieved Confidential ticketing tool (ServiceNow) showing tickets

Confidential, Bothell, WA

Senior Unix/Linux Admin/System Architect

Responsibilities:

• Responsible for server builds, OS installation, and patch management.
• Responsible for Cluster (Veritas and Red hat Cluster) operations such as installation, administration and troubleshooting.
• Responsible for SAN operations such as online SAN migration, online SAN resizing.
• Responsible for implementation of multi millions dollar project such as Confidential Netezza to HP Vertica transition.
• Deployed Linux Servers on vmware
• Deployed dev and test servers on AWS
• Deployed and configured Virtual Private Cloud (VPC) on AWS
• Installed servers using JUMPSTART/KICKSTART
• Configured Linux PXE boot.
• Installed and maintained 3.rd party software products as needed.
• Troubleshoot issues related to hardware, OS, system software, network, SAN, NAS, etc.
• Automated repetitive tasks through shell scripting
• Documented processes and notifying Developers and Business Analysts of software and hardware upgrades.
• Tuned system software for peak performance and availability.
• Assisted Developers with high level problem program debugging and correction.
• Provided 24 x 7 on-call application support on the UNIX/Linux systems in rotation with other team members.
• Made system hardware and software recommendations as required.
• Worked with Vendors to procure and install/upgrade hardware.
• High availability solutions (clustering) design, build, configuration, optimization, troubleshooting.
• Provided Management and Support for storage replication used for backups on HDS (Hitachi) storage array (HUSVM and AMS2300)
• Implemented Confidential Sterling Connect:Direct and provides support to all clients in needed
• Provided technical Architecture for new and existing end-to-end data collection
• Provided 24x7 supports for all Unix/Linux server managed by E-Data Market.
• Configured and managing security tools to improve system robustness
• Performed vulnerability tests using Kali Linux/Backtrack 5
• Performed backup using Veritas Netbackup.
• Created and a managed file systems (GFS/GFS2, VXFS, ZFS, UFS, NFS, EXT3/EXT4)
• Installed and tested different OpenSource software such as Apache Hadoop, Apache Web Server,
• Apache Kafka, Apache Zookeeper, Apache Flume.
• Used CFEngine and Ansible to ensure IT infrastructure automation and continuous operations
• Application architectures, Interrelationships between applications, Significant data flows, scalability
• Coordinated Vendors to provide hardware support.
• Configured and document backup and restore procedures.
• Maintained UNIX/Linux Disaster Recovery Plan and actively participate in Technology and Business Recovery activities.
• Stayed abreast with technical and operational tools and knowledge required to perform assigned duties

Confidential, Seattle, WA

Senior Support/Linux Engineer

Responsibilities:

• Supported company software Sourceworks, used for monitoring customer data usage information from mobile and fixed IP networks at Gigabit speeds. Sourceworks is probing in IP based Gn interface between SGSN and GGSN(UMTS) and S interfaces (S1U, S11 etc) between MME and SGW/PGW in LTE.
• Monitored and analyzing user mobile data usage trends over different smart devices such as iPhone, Android devices, Blackberry devices etc. according to Operator’s requirement.
• Troubleshot Ubuntu server issues where SourceWorks software installed. It is installed in 100 production server in Confidential corporate network. Currently only on GPRS/UMTS. LTE deployments are in progress.
• Installed and maintained Sourceworks Servers and Storage(HP Blades, P2000, D6000)
• Supported project tasks. (OS installation, storage configuration, raising tickets for faulty hardware etc.)
• Installed HDFS (HADOOP File system) and managed distributed databases on HDFS.
• Wrote scripts to automate system tasks using bash shell and Python.
• Used Puppet to ensure IT infrastructure automation and continuous operations

Confidential, Seattle, WA

VoIP/Wireless Engineer

Responsibilities:

• Tested and supporting new e911/n911 technologies such as SMS 911/ MMS 911
• Maintained SS7 network.
• Maintained and supporting telecom devices such as SCP, MCP, TCP, MSC, AI, LIS and protocols like SIP, RDP, ToIP.
• Supported proprietary software.
• Installed new server and wireless/VoIP applications.
• Maintained and supported third party application such as Omnitor, Asterisk, SIP SIMPLE.
• Provisioned location and subscriber data sent by customers for test and production purposes.
• Prepared product IOT (inter-operability test) cases scenarios in coordination with customer, development and DBA team.
• Performed IOT cases, troubleshot the issues if any.

Confidential, Redmond, WA

OSS Systems Engineer/Linux Admin

Responsibilities:

• Supported 200 OSS systems
• Installed, upgraded RHEL 6 and Solaris 10 using jumpstart and kickstart.
• Installed, confugured and supported Windows 2008 servers.
• Deployed and supported Active Directory for some OSS applications.
• Supported 2G, 3G, 4G OSS applications.
• Followed and created MOP’s. (method of procedure)
• Installed, configured, managed and supported Veritas Cluster Server, added resources to current Cluster.
• Configured IPv4 and IPv6.
• Took part in first implemantation of LTE (4G) through USA.
• Created and managed metadevices using ZFS, Solaris Volume Manager and Veritas Volume Manager.
• Set up IP and disk multipathing (mpxio, dmp, IPMP, DM multipath etc.).
• Installed and configured Confidential routers for OSS subnet.
• Installed and configured fiber switches (Brocade, Cisco Catalyst) created zones.
• Migrated OSS data within the different SAN lun’s.
• Split cluster and mirrors for application upgrades including hard splits (domain splits) and soft splits.
• Performed user and security operations (sudo, rbac, access lists etc.)
• Analyzed system performance.
• Found and troubleshot memory, CPU, disk and network bottlenecks, recommended new hardware purchase.
• Deployed and managed virtualization (Solaris Zones, Vmware, KVM, Oracle VM server).
• Tested new Confidential OSS RC software.
• Configured and managed security (IPTABLES, IPFILTERS).
• Analyzed log files, created scripts to parse log files.
• Automated repeating system administration tasks using scripting.
• Managed Storage Arrays including EMC, 6180, 6140 and 6780, created and mapped LUN’s.
• Configured newly assigned LUN’s in system level. Assigned them to different RAID groups. Installed File Systems.
• Managed and supported GSM, UMTS and LTE nodes.
• Supported RNC, ENodeB, SGSN, RNC platforms
• Managed 3. Party vendor communication
• Managed Confidential LAN and SAN
• Analyzed network traffic using different tools (tcpdump, snoop, wireshark/ethereal, backtrace linux)
• Supported Core Network, Radio Network operations.
• Documented processes.
• Analyzed root causes.

Confidential, Schaumburg, IL

IT Infrastructure Specialist/Team Lead on Linux and Unix

Responsibilities:

• Provided support for Unix environment.
• Met SLA requirements.
• Supported more than 300 server including mission critical IDEN (Integrated Digital Enhanced Network) and GEMS (Government Enterprise Mobility Solutions) + Confidential Factory production/delivery software infrastructure.
• Analyzed and understanding customer requirements.
• Deployed and managed virtualization (Vmware, Xen, LDOMS, Solaris Zones).
• Provided 2nd level support to offshore team and make them assignments.
• Installed, upgraded RHEL 5,6 and Solaris 8,9,10 using jumpstart and kickstart.
• Installed, configured, managed and supported Veritas Cluster Server.
• Created RAID volumes using ZFS, Solaris Volume Manager, LVM and Veritas Volume Manager.
• Set up IP and disk multipathing (mpxio, dmp, IPMP, DM multipath etc.).
• Configured IPv4 and IPv6.
• Installed and configured fiber switches, created zones.
• Split cluster and mirrors for application upgrades.
• Performed user and security operations (sudo, rbac, access lists etc.)
• Analyzed system performance.
• Found and troubleshot memory, CPU, disk and network bottlenecks, recommended new hardware purchase.
• Configured newly assigned LUN’s in system level. Assigned them to different RAID groups. Installed File Systems.
• Managed 3. Party vendor communication
• Led projects in technical aspects such as Confidential IT infrastructure separation project after its division into three different companies ( Confidential Solutions, Confidential Mobility, Confidential Network)
• Configured and supported mailing (SMTP, Sendmail).
• Trained junior engineers.
• Analyzed root causes.
• Documented procedures.

Confidential

Senior System Engineer/ Project Lead

Responsibilities:

• Provided hands-on support for a %99.998 availability goal for all servers.
• Developed and maintained new availability functions like mirroring, clustering etc.
• Recommended to management new technologies and how they could be used upon the business needs.
• Managed Operations Support System servers: OS, DB and application. Managed daily administration operations, disaster recovery procedures, and backup.
• Extensive knowledge and experience in administration and troubleshooting of Confidential OSS-RC R3, R4, R6 & R7, different parts of it like Fault Management (FM), Performance Management (PM), Configuration Management (CM), Log Management and different applications like ARNE, FMX, SMIA, Business Object (BO), PDM, SGW, SDM, NWS, CNA, BSM, RNO, TSS etc.
• Installation and Commissioning of Confidential OSS RC up to R12
• Significant Experience in the integration of Confidential OSS RC, Huawei M2000, and Other IP based nodes with NMS and optimization products like HP-TeMIP, Optima, HP-OVPI
• Development of Alarm Co-relation Logic, KPI of HP NMS products TeMIP and OVPI.
• Control of CSV data sent to optimization tools.
• Significant expertise on Huawei OSS that is M2000 for managing Radio and Core Nodes and N2000 for managing NE40 Routers and different components of those like the Fault management (FM), Performance Management (PM), Configuration Management (CM), Log Management, System management etc.
• Knowledge and working experience of GSM network elements both on Confidential and Huawei platforms.
• Well conversant with different Back-up solutions like VERITAS Netbackup.
• Managed Sun storage 3510, 6140.
• Responsible for managing vendors and orienting their work upon the continuity of daily operation. (Sun, HP, Ericcson, Huawei, Microsoft, Sybase and Oracle).
• Responsible of DB (Sybase, Oracle etc)., operating systems (Solaris, Windows, Linux) and the applications running on OSS.
• Took part in first implementation project of UMTS (3G) in Turkey with Confidential &Turkcell cooperation.
• Managed 60 Sun Sparc and X86 servers with Solaris 10 including Sun Fire 25K, T2000, m5000, m7000, E4900, E6900, E2900, Sun Fire 445, Sun Netra 440, Sun Netra 210, Sun Fire x4600-4640, Sun Netra X4200, Sun Netra X4450
• Responsible for backup - restore, user/security management, network/system performance administration, disaster recovery and business continuity procedures etc.
• Took part in multi billion dollar projects like swap vendors. With this project 30 % of all Turkcell GSM network (MSC's, BSC's, sites etc.) totally provided by Confidential before, was swapped with new Huawei devices. A new OSS has been built to manage these devices. Assisted and took an active role in the hardware (Sun Sparc and HP x86 hw) and software (Solaris, Linux, Windows, Sybase, VERITAS Volume Manager, VERITAS Cluster and Huawei application such as Imanager m2000, Nastar, CME etc) installation of these systems.
• Installed Ciscoworks and Linux systems (operating system, patches, VERITAS Volume Manager, VERITAS cluster, VERITAS Volume Replicator).
• Converted production Solaris deployment methods to use jumpstart.
• Designed failover mechanisms for various wireless services (with VCS and Sun Cluster).
• Created and managed metadevices and volumes with Solaris Volume Manager, Veritas Foundation Suite and ZFS.
• Internal technical "consultant" on various projects.
• Managed different vendors and SLA’s
• Reported to senior management after analyzing consultant reports.
• Deployed multiple enterprise-level monitoring systems.
• Performed in-depth system analysis.
• Performed performance analysis for operating system and database.
• Performed virtualization tasks with VMware, Ldoms, Solaris zones, Sparc hard domains, Solaris containers.
• Developed system procedures and provided documentation for these.
• Developed failure prevention and prediction mechanisms.
• Installed and configured VERITAS Cluster Server on Solaris, with Veritas Volume Manager, and Oracle Enterprise Agent (OEM)
• Installed Solaris and Linux patches.
• Maintained internal DNS subdomain + mail server (sendmail + IMAP).|
• Installed and configured firewalls and filtering for critical systems. (solaris ip filters, checkpoint)
• Developed monitoring and control scripts with Perl and Shell for telecom applications and for automatizing some routine system administration tasks.

Confidential

Senior Systems Support Engineer / Backup Administrator

Responsibilities:

• Responsible for operating system support and administration for 400 Sun Servers (with Sparc and x86 platforms) to run important services such as billing, SMS, value added services and mediation.
• Implemented new projects like BSCS-IX implementation, billing divergence (swap the old technology billing servers with new ones)
• Integrated and deployed Veritas Netbackup as an enterprise backup solution. Created and Managed more than 1000 backup policies with VERITAS Enterprise Netbackup
• Managed storage systems like EMC Symetrix, Clariion, Hitachi and Netapp.
• Responsible for disaster recovery, business continuity management and operating systems (Solaris) and hardware of all machines in the corporate enterprise.
• Designed failover mechanisms for various wireless services using Veritas Cluster and Sun Cluster,
• Created and managed metadevices and volumes with Solaris Volume Manager, VERITAS Foundation Suite and ZFS.
• Performed virtualization tasks with VMware, Ldoms, Solaris zones, Sparc hard domains, Solaris containers.
• Supported mission critical servers like billing/charging, mediation, SMS, GPRS, and other VAS servers.
• Operated EMC Clairon&Symetrix and Hitachi storage systems to configure on Solaris operating environment.
• Took part billing convergence project whom main goals of that project was to consolidate billing servers, swap old HP hardware with new Sun high end servers and decrease machine count.
• Installed Solaris patches on sparc and x86 servers.
• Developed shell scripts to automatize some daily system administration tasks.