Sr. Devops Consultant Resume
CA
SUMMARY
- Having 15+ years of experience in designing, coding, testing in datacom, telecom, embedded and storage systems.
- Working experience in Jenkin build environment with support Puppet configuration for software build releases
- Worked on the monitoring tools Nagios with the support of build tools Cheff client integrated with Jenkin.
- Designed and developed the test automation frame work for RF terminal Interface integration project and multi simulator modem testing as part of DevOps.
- Worked as Test Architect for System Design Verification Testing, Product Qualification Test teams and primary contact for BB GPON and Active - E Triple play Regression with automation support as part of DevOps.
- Designed, developed ITU-T standard MPLS-OAM for ZebOS stack.
- Provided maintenance support for MPLS forwarding controller development project of ERX series of Juniper Networks switches.
- Designed, developed and verified the IPv6 support for ASN-GW data plane (fast path and slow path) development Project of WiMax product.
- Provided support for the sustenance activities of ATM Switching Fabric module of ATM Cross Connection Unit of Nokia Broadband products.
- Designed and developed the DHCP option 80, PPPoE features as part of Ericsson IPDSLAM and ESN108 Sustenance Projects.
- Worked on alarm configuration, fixed the memory leaks of the DMT8a3, DMT8b3 products of Nokia D50 DSLAM.
- Designed and developed one U rack product with software based Bandwidth management solution.
- Developed and added feature support to UI of NEC UX-SS L2L3 Ethernet Switch & Router.
- Provided support for the sustenance activities of SNMP and RMON modules of NEC 10Gig L2 Ethernet Switch.
- Ported and fixed the auto negotiation, flow control issues of legacy switch to enhanced NEC L2 Ethernet Switch.
- Worked with infinity/Galnet Ethernet device driver and implemented the IPC mechanism to other switching modules to support stacking of Garretcom switches.
- Design and Development of packet driver and stacking functionality of interfaces modules for lsilogic’s net processor ATI layer2 switch.
- Participated the BSP activity which includes OS porting, Flash Driver configuration of NEC switch.
- Developed proprietary MIB and its interfaces of the FVC V-Switch.
- Design and Development of Event log application module for L2 Switch.
- Good knowledge on virtualization and open stack
- Knowledge on Big Data with Hadoop framework.
- Expertise in prioritizing, handling multiple tasks and adhering to company policies.
TECHNICAL SKILLS
Languages: C, C++, Tcl, Python
RTOS: VxWorks, eCos, Ctask, Chorus
Operating System: Linux and its flavors, Windows
Protocols: TCP/IP, VLAN (802.1Q), LAG (802.1ad), RMON, SNMP, TB/STP (802.1D), OAM (802.1ax), IGMP, IPv4/IPv6
System Expertise: Ethernet(802.3), ATM, MPLS, PWE, PON, xDSL, RF
Functional Expertise: System and software requirement specification creation, System design and analysis, documentation, coding and Testing, Reviews, support DevOps
Processor: IXP2800, Octeaon 38xx, EZChip NP, ARM 710, MPC8240, StrongArm, MIPS R4000, Agere NP
Tools: IxLoad, STC, SmartBits, Abacus 5000, Spectrum Analyzers, Signal Generators, wireshark. SNMPc/MG-SOFT,HP Openview, Cacti, ClearCase, CVS, SVN, JIRA, ClearQuest, Jenkins, Puppet, Perforce, HP QC, iTest, Fortify, Nagios(NagVis), Agile
PROFESSIONAL EXPERIENCE
Confidential, CA
Sr. DevOps Consultant
Responsibilities:
- Developing automation framework for infra structure division of Confidential Inc.
- Developed automation to support the monitoring activity of storage devices of NetApp, EMC and IBM.
- Devloved the network diagram to monitor the state of the infrastructure network devices with the help of Nagios and NagVis.
- Developed initial sanity health check report generator to support initial trouble shooting the devices in production
Environment: Linux, Windows 7, Python 2.7.10, Cheff Client, Jenkins, JIRA bug tracking, Cacti, Nagios, NagVis.
Confidential, CA
DevOps/ Sr. Automation Architect
Responsibilities:
- Designed and developed the Forward Link Frame Error Rate and Returned Link Block Error Rate automation framework for Terminal performance testing in Python scripting.
- Documented the requirements of FL FER and RL BLER based on the viaphy/skyphy modem chipset spec values.
- Designed and developed post processing tool to analyze the FER and BLER results with the support of excel and Python scripts.
- Provided support for all the configuration and setup issues of the TPT end to end setups.
- Migrated the Python automation scripts to S, L, Ka band requirements.
- Designed and developed the RF Device controller tool through Python, control remotely the Digital Attenuators, Return Link Switches & RTM Switches for path setting, signal generator and Spectrum analyzer.
- Added support to the new features of the SMTS and Modem for FER and BLER verification through Python Script.
- Versioned the script, results, documents in perforce and share point.
- Created JIRA for the defects identified while verifying the functionality
- Developed common class libraries in Python for global usage across the teams
- Provided automation support for 2% UT shutoff and on with traffic verification as part of System test verification in Tcl scripting.
- Developed the script to bring virtual UTs online in MSM and M4 mode as per the configuration of the MAC domain.
- Uploaded/downloaded configuration data, live reports, results to AWS
- Contributed effort for software builds and release management with Jenkins build environment with support of Puppet configuration tool (on Apache server).
Environment: Linux (Ubuntu-3.2.059, CentOS), Windows 7, Python 2.7.X/3.x, Tcl 8.5 scripting languages, Octeon processor, IxLoad traffic generator tool, Jenkins, Perforce & Puppet version control, JIRA bug tracking, Agile methodologies.
Confidential, AL
Automation Architect/ DevOps
Responsibilities:
- Designed and developed triple play regression on FTTP GPON and Active-E cards with Automation support as part of DevOps
- Was a part of core automation to develop generic libraries using Tcl to support iTest Automation for all the teams
- Performed BBDLC, EoX Smoke Test, CLI, Alarm Regression testing on each software release with Automation support as part DevOps
- Used Cacti for memory usage of broadband devices.
- Provided support for all the configuration and setup issues of the FTTP Regression test bed
- Participated in reviews, testing and troubleshot the issues
- Provided support and guidance to junior team members for newly designed features
- Participated in design, review meetings of the new features of the product to design and develop the test beds and provide automation support as part of DevOps
Environment: Adtran OS, Linux, Tcl scripting language, BCM chipset, IXIA, Abacus, Cacti, T-bert triple play traffic tools, SVN version control, JIRA bug tracking
Confidential
Systems Engineer
Responsibilities:
- Performed MPLS maintenance/development for forwarding plane
- Designed, developed, coded and tested Ethernet OAM as 802.3ah in forwarding plane
- Interacted with different teams to verify the functionality with other module integrations like CLI, other associated protocols to supported on the router
Environment: JUNOSe, Linux, C/C++ language, IXP 2800 Processor, SmartBits 2000 traffic generator, ClearCase, ClearQuest
Confidential
Systems Engineer
Responsibilities:
- Designed, developed, coded and tested IPv6 feature in Data Plane and control plane of ASN - GW
- Was a technical lead to provide the design and develop the third party supported IPv6 stack to ACR
- Tested Frame designing and development for entire Data plane of ASN-GW
- Was a single point of contact to collect the requirements, reviews of the development activities
Environment: VxWorks, Linux, C language, Octeaon 3860 Processor, SmartBits traffic generator, ClearCase
Confidential, CA
Systems Engineer
Responsibilities:
- Individually contributed to the implementation of MPLS OAM as per ITUT (Y-1711) standard
- Coded for feature enhancements like ipv6 next hop support for Ripng, bug fixes for L2 and L3 protocols
- Participated in reviews, testing, and guiding offshore team members to resolve issues
Environment: ZebOS, Linux, C language, Broadcom, Marvell, NEC Layer-2 Chipset, CVS
Confidential
Systems Engineer
Responsibilities:
- ASF (ATM Switching Fabric) maintained the ATM traffic, communication between AXU and IFUs, Cross connection configurations
- Coded for feature enhancements like utilization threshold alarm, Implemented SAR SAP Layer and fixed bug. And also prepared and suggested Design changes for AXC project
- Key responsibility was for Utopia communication of AXU in AXC
- Planned work to team members, prepared the proposal of the features to the ASF project, trained to the team
- Participated in reviews, testing, conducted technical, quality audits and approved for releases, trained to entire AXC team as a QC for quality activities.
Environment: Chorus, Linux, C, C++ languages, APC for Agere Chipset, Adtech 4000 traffic generator, ClearCase
Confidential, Denmark
Systems Engineer
Responsibilities:
- Performed onsite for the Ethernet products of Ericsson
- Deployed IPDSLAM setup at offshore to build development environment
- Was a single point of contact for Ericsson PEM maintenance activities
- Coded for feature enhancements like Arp Broadcast controller, Static Ip in the flash
- Fixed Bug the sustenance issues like dhcp option, alarm generation
- Participated in reviews, testing, conducting technical, quality audits and approving for releases as part Quality control
- Prepared Project metrics and monitored reports.
Environment: VxWorks, C, C++ languages, BCM for ADSL chipset, SmartBits, IXIA, ClearCase
Confidential
Systems Engineer
Responsibilities:
- Coded for feature enhancements and fixed bug of DS3/OC3 trunk cards
- Integrated System ADSL firmware and tested system
- Fixed Memory leak of DMT8a3/8b3 ADSL+ line cards
- Technically supported to S/W, H/W teams and technical documentation
- Was a configuration manager for the team to resolve configuration issues of VSS
Environment: VxWorks, C, language, GSPN Chipset for ADSL, SmartBits, VSS
Confidential
Systems Engineer
Responsibilities:
- Designed and developed web adaptor to support Web GUI of UX L2-L3 switch
- Fixed Bug of SNMP and RMON modules
- Designed and developed Port mirroring, port filtering module for Cx2700 NEC Layer2 switch
- Fixed Bug for the auto negotiation, flow control, backpressure issues of legacy switch to enhanced L2 switch
Environment: VxWorks, C, language, IXP 2400 G-CPU, EZChip network processors
Confidential, CA
Engineer
Responsibilities:
- Designed, ported, coded, integrated and tested Galnet Driver, the driver for the switching fabric/layer 2 functionality.
Environment: eCos, C language, Galnet 483XX series Chipset, GNU
Confidential
Engineer
Responsibilities:
- Designed and developed the complete in house 1U box based CBMS software solution for bandwidth management for ISPs with shapers, queue managers, user configuration with the help of 4 members’ team
Environment: FreeBSD, C language, I82559 dual network adaptor, GNU
Confidential, CA
Engineer
Responsibilities:
- Designed, ported, coded and tested Infinity Driver (Packet Driver), Inter Processor Communication to support stacking of the switches in Riverflow System.
Environment: cTask, C language, L64324 and GT 48302A Chipsets, ARM Development Tool kit
Confidential, CA
Engineer
Responsibilities:
- Supported SNMP Agent, developed private MIB and interfaced to Vswitch
- Performed Bug Fixing and Diagnostics of Vswitch, implemented CLI support for loopback test feature
- Designed and developed event log module to support Vswitch
Environment: ATMOS, C language, StrongArm Processor, GNU