System Engineer Resume
Seattle, WA
SUMMARY:
Using my skills in the best way possible for achieving the company’s goals, also providing best customer satisfaction/ service by means of my technical talents.
SKILLS:
Operating System Platforms: Solaris SME, Linux SME, Windows, AIX (intermediate).
Hardware Platforms: Oracle Sparc/x86, Sun Blades, HP Proliants, HP Blades, IBM Power, IBM System X, IBM 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. LizardFS
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, IBM GPFS2 Cluster, HADOOP.
Backup Tools: Veritas Netbackup/BackupExec, IBM Tivoli(some knowledege), Unix ufsdump /ufsrestore
Virtualization/Containers: Solaris containers/zones, Oracle VM(VirtualBox),Vmware(vSphere/ESXI) Server, KVM, Citrix XenApp/XenDesktop, Docker
Networking: TCP/IP, OSI, DNS/BIND, DHCP, NIS, NIS+, NFS, LDAP, jumpstart/kickstart, PXE, RHEL Satellite, RHEL SpaceWalk, Cisco/Brocade SAN switches, Cisco IOS, Cisco NX-OS(SAN-OS), SAN Zoning.
Load Balancers: F5, Nginx+, HA Proxy (intermediate), AWS Elastic Load Balancer, Incapsula.
Web & Application Servers: Apache Web Server, Tomcat, NGINX, Sun Java Web Server/Application 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: IBM Netezza, Informatica, HP Vertica, Teradata, Tableau Software, Business Objects.
Version Control: SVN, GIT, Mercurial
OpenSource Implementation: Apache Hadoop, Kafka, Zookeeper. Also deployed, configured different Hadoop components using Cloudera Manager on my own 4 nodes virtual test environment.(VirtualBox) as shown below
System Security: Solaris ipfilters, Linux iptables, SELinux, Checkpoint, RBAC (role based access), auditing, Wireshark, snoop/tcpdump, KALI/backtrack penetration testing tools, openSSL/TLS
Programming Languages: Shell Scripting(advanced), Perl, Python(mid-level), Java(entry level), C/C++(basic understanding), SQL
Telecom & Wireless technologies:
Vendors: Confidential, Huawei, Optima, HP, Confidential (Telecommunication Systems), Confidential
Software: Confidential OSS RC, Huawei OSS, Moshell, Confidential E911, TNF SourceWorks, TNF SmartWorks, TNF Vantage
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: Confidential AWS, Google Clouding Platform (testing on free tier), Azure (some knowledge)
Personal Interests: Clouding and Big Data Concepts and technologies, new technological trends and innovations, world politics.
Soft Skills: Team player, open communication, proven leadership and organizational behavior skills, collaborative and friendly. A real fan of continuous self development.
Languages: Fluent in English, French, Turkish(native).
EXPERIENCE:
Confidential, Seattle, WA
System Engineer
Responsibilities:
- Developing and maintaining S3 back end code (mostly in Perl)
- Testing and qualifying new S3 software/hardware changes according to most common S3 metrics (throughput, latencies, IOPS etc)
- Deploying new hosts and creating new hostclasses
- Automation of qualification tasks
- Documenting team s processes and preparing runbooks.
- Updating team wiki
- Maintaining and troubleshooting existing S3 hosts (Amazon Linux) and providing oncall support.
- Representing team in companywide projects as a technical consultant.
- Optimizing hardware and software performance to provide an excellent customer experience.
- Tutoring interns.
- Interviewing candidates as a S3 bar raiser. (Linux interviews)
Confidential, Bothell, WA
Senior Linux Administrator
Responsibilities:
- Supported more than 10.000 Linux/Unix servers in a corporate and very fast paced environment
- Was 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.
- Was responsible for other Duties/Projects as assigned by business management as needed.
- Assisted and provided 2nd line support for junior engineer for their operation on production servers as needed.
Confidential, Bothell, WA
Senior Unix Admin/Senior Technical Architect
Responsibilities:
- Was responsible for server builds, OS installation, and patch management.
- Was responsible for Cluster (Veritas and Red hat Cluster) operations such as installation, administration and troubleshooting.
- Was responsible for SAN operations such as online SAN migration, online SAN resizing.
- Was responsible for implementation of multi millions dollar project such as IBM 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.
- Performed 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 IBM 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. Hive
- Used CFEngine and Ansible to ensure IT infrastructure automation and continuous operations
- System Architecture: Designed application architectures, interrelationships between applications, significant data flows, scalability, availability and optimization methods.
- 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 Engineer
Responsibilities:
- 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
Senior Telecommunication 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 telco 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
Senior Engineer/Senior Unix Admin
Responsibilities:
- Supported 200 OSS systems
- Installed, upgraded RHEL 6 and Solaris 10 using jumpstart and kickstart.
- Installed, configured and supported Windows 2008 servers.
- Deployed and supported Active Directory for some OSS applications.
- Supported 2G, 3G, 4G OSS applications.
- Followed and created Confidential s 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 using Bash Shell and Python.
- 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, Schamburg, IL
IT Infrastructure Team Lead
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) + Motorola 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 made 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 software and 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 Motorola IT infrastructure separation project after its division into three different companies ( Confidential, Motorola Mobility, Motorola Network)
- Configured and supported mailing (SMTP, Sendmail).
- Trained junior engineers.
- Analyzed root causes.
- Documented procedures.
Confidential
Senior Specialist/Technical 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.
- Applied 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.
- Installed and Commissioned Confidential OSS RC up to version R12
- Applied significant Experience and know-how 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
- Developed Alarm Co-relation Logic, KPI of HP NMS products TeMIP and OVPI.
- Controlled CSV’s data flow through optimization tools.
- Applied 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.
- Used knowledge and know-how on 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).
- Was responsible of DB (Sybase, Oracle etc)., operating systems (Solaris, Windows, Linux) and the applications running on OSS.