AJIT KUMAR SAMAL

Network/Data Engineer

Mail: adev7k@r.postjobfree.com

Contact no: 848-***-****

PROFESSIONAL SUMMARY:

•CCNA & CCNP certified with 8+ years of work experience in software (manual, automation & regression) testing on network protocols for datacom (L2/L3) domain.

•Understands Software Defined Networking (SDN) Implementation exp in CISCO Application Centric Infrastructure (ACI) technology.

•Deep familiar with Cisco IOS-XR, ASR9k, D-NOS including Catalyst 6500/4900/4500/3750 Cisco routing and switching platforms, Juniper vMX, MX Series router.

•Experience working in IP engineering network design and management including recent experience with Cisco and Juniper specific implementations

•Experience designing and implementing complex IP routing scenarios (Including BGP, OSPF, MPLS)

•Experience in a carrier grade labs environment.

•Worked in all phases of Software Development Life Cycle (SDLC) including Production and Deployment.

•Design and maintain a large L2 switching Network including VLAN and inter VLAN routing.

•Experience in all phases of test life cycle such as Test Requirement Analysis, Planning Test Strategy, Designing Test Plans & Reviewing, Test Bed Preparation, Manual Test Execution, collect the logs and Report generation.

•Excellent customer management/resolution, problem-solving, debugging skills and capable of quickly learning, effectively analyses results and implement and delivering solutions as an individual and as part of a team.

•Experience in Black Box Testing Techniques - Boundary Value Analysis and Equivalence Portioning.

•Working experience on L2/L3 Protocols (VLAN, VTP, LACP, PAGP, Load Balancing, STP, RSTP, MSTP, QOS, DHCP, TCP, UDP, DNS, ARP, IEEE802.1Q, MPLS, Multicast, PIM, IGMP, GRE, EIGRP,RIP, ISIS,OSPF, RSVP, MPLS-TE, BGP, IBGP, EBGP ).

•Worked extensively on DNOS Certification, Juniper JUNOS Certification, Ericsson SEOS, Cisco IOS, Cisco IOS-XR, Cisco Cat OS, Cisco NX-OS, JUNOS

•Having test automation experience using PERL, TCL/TK EXPECT and Python.

•Hands-on experience on testing tools and traffic generators tools (Spirent Test Centre, IXIA, and IXN2X.)

•Hands-on experience on test plan preparation and designing test cases for the engineering requirements.

•Exposure to different operating systems like Windows and UNIX.

•Hands on experience on Checkpoint Firewall, and Cisco ASA firewalls, IPS/IDS, F5 Load Balancers, AAA (TACACS+ & RADIUS).

•Reviewed & revised suite of test cases to reflect changes made to the test plan documentation for new functionality and performance issues.

•Execute test cases as per test plan, collecting data on faults and reporting the bugs in bug tracking tool.

•Skilled in using network Test set - Spirent, IXIA, Wireshark and tcpdump.

•Expertise in Feature testing, System testing with high availability, interoperability, Scaling, longevity and performance test cases and test automation.

•Working knowledge of IP Multicast, including PIM and IGMP.

•Professional experience with QoS and queuing theory.

•Experience with Cisco ASA/PIX firewall.

•Experience in Test strategy and test plan preparation, Test case development and automation.

•Experience on validating newly migrated scripts on suitable test topology.

•Expertise in test topology migration and validation.

•Self-motivated with the ability to work independently or as an integral part of a team and Committed to highest levels of professional.

TECHNICAL PROFICIENCIES:

•Domain: DATACOM & TELECOM NETWORK

•Protocols Knowledge:

•OSI Layer2 (STP, RSTP, MSTP, 802.1Q, Ether Channel, LACP, VLAN, VTP etc.)

•OSI Layer3 (EIGRP, RIP, OSPF, ISIS, MPLS-TE, RSVP-TE, BGP, IBGP, EBGP, IPv4)

•Basic networking: TCP, UDP, DHCP, DNS, FTP, HTTP, HTTPS, SSL, SNMP, SFTP, SCP etc.

•Traffic Generator Tool: IXIANetwork, Spirent Test Center (STC), N2X for data traffic.

•Network security: Cisco (ASA, PIX) 5510, Palo Alto, ACL, IPSEC

•Operating System: Unix/Linux, Windows

•Ticketing Tool: JIRA, LabOps, Juniper MR Center, RTT, TGR, BMC remedy, ALM,

•Repository Tool: GIT, CVS

•DevOps Tool: Jenkins, Ansible, Azure

•Scripting Language: Python, Perl, Shell Scripts

• Automation Tools (Framework): ARTS

•Test Case Repository Tool: HP Quality Center, TC-view

•Bug Tracking Tool: JIRA, MRCenter, Extra view, Bug Zilla.

Educational Qualification:

Bachelor of Engineering (B.TECH) from Biju Pattanaik University and Technology, Odisha, India.

Summary of Major Projects:

AT&T- Middletown, NJ July 2019 - Till Now

Network/Data Engineer

Team Size-15

Project: Project One/P-Leaf (AT&T Core)

Project Description:

The new AT&T Common Backbone is optimized for the use of 400G transport between nodes. The P-leaf acts as a Label switch router (LSR) and supports Traffic Engineering (TE) for bandwidth management and restoration needs. Approximately 200 p-leaf nodes will be constructed to support inter-city transport of AT&T services. This is a single “flat” MPLS network. The whitebox platform used for the P-leaf nodes is a disaggregated chassis whitebox supplied by UFISpace based on the Broadcom Jericho2 chipset. The core network control plane is a single ISIS domain with multiple regions. The use of multiple regions is used to contain the number of TE tunnels any given P-leaf needs to manage.

Responsibilities:

•Defined and run tests covering appropriate test cases for the assigned call/signaling flows and/or network elements and associated business service features/enhancements.

•Conducted extensive lab evaluations and integration testing of network elements and document results.

•Created the test topology as per the test requirement in the Lab.

•Download the DNOS software to the all core P-Leaf cluster.

•Working on different test scenario for routing protocol like MPLS-TE, RSVP-TE, ISIS and BGP LU.

•Set up the Test Bed using Link Aggregation, 802.1Q and Double Tagging (Q in Q).

•Working on load the base config Template to the lab Certification devices.

•Create Test Plan for RSVP -TE, BFD (Micro BFD, RSVP-BFD, BGP-BFD) according to customers specific design.

•Create Auto-Tunnel and Back-up Tunnel for RSVP-TE.

•Working on Bandwidth reservation functionality in Active and Back-up Tunnel.

•Working on RSVP Explicitly path selection for tunnel and load sharing between Tunnel.

•Create RSVP tunnel scale for 250 Head and 250 Tail tunnels.

•Working on BGP-LU Session creation and different BGP-policy to advertise customers prefixes to core.

•Working on different BGP policy attributes like Community, Local preference etc.

•Working on the bgp local routes advertisement with proper CV to core with proper MPLS label.

•Setting up bgp scale for both bgp sessions and ebgp routes from Spirent/IXIA.

•Testing End to End data flow traffic with different failure scenario like protocol, system failure.

•Capture the execution logs and analyzing the failure.

•Debugging the core network if there is any traffic loss between PE/CE.

•Performed reviews of technical documentation, including design specifications, test plans and customer documentation and provided feedback to the author through review meetings and written feedback.

•Created and submitted detailed bug reports about encountered anomalies in builds Collaborated with Development Engineers regarding existing bugs and steps for bug reproduction.

•Co-ordinates with Vendors to replace the faulty hardware like power supply, fans, modules, cables, sfp.

•Opened appropriate defect tickets with all necessary descriptive information in the appropriate defect tracking system (JIRA)

Hardware Environment:

DNOS, Cisco IOS-XR Series, JUNOS, Ciena Switch, Arista Switch. P-leaf, Provider Edge, Customer edge.

Project Environment:

DNOS, IOS-XR, IxNetwork, Spirent TestCenter, VLAN, Double Tagging (Q in Q). Link Aggregation, End To End traffic, ACL, ISIS, RSVP, MPLS-TE, BGP, COS, QOS, JIRA, Labops,

AT&T- Middletown, NJ June 2018- July 2019

Network/Data Engineer

Team Size-13

Project: ADIG Cisco White Box Certification

Project Description:

The next generation D2 aligned PE to support ADI-G business needs in AT&Ts most of the world network infrastructure is an essentially ODM (original design manufacturer) hardware platform, a white-box supporting a third party disaggregated software. The ODM White-Box (WB) hardware is AS591654XKS an open switch platform from Edge Core which will be integrated with the Cisco XR to provide the required functionality and support AT&Ts ADI-G service definition.

Responsibilities:

•Converted the Juniper Test Plan to Cisco specific.

•Worked on different test scenario for routing protocol like LDP, MPLS, OSPF and BGP.

•Set up the Test Bed using Link Aggregation, 802.1Q and Double Tagging (Q in Q).

•Worked with load the base config Template to the lab Certification devices.

•Created the Cisco export/import policy for iBGP and eBGP peers for route filter.

•Worked with BGP Multipath/load balancing and Backhole the DDoS Traffic.

•Worked with BGP Dynamic Customer Control (Primary/Backup) with 8 Links.

•Manually configured BGP scale for 2000 ipv4 peers and 1000 ipv6 peers with route scale and damping prefixes.

•Worked with the test set (IXIA/SPIRENT) to send end to end traffic and the ipv4 and ipv6 prefix for eBGP and

•Configured EBGP/IBGP policies also tested BGP attributes such as Local preference, MED, AS-PATH, Community and Weight.

•Configured EBGP load balancing and ensured stability of BGP peering interfaces.

•Worked on Route-Reflectors to troubleshoot BGP issues related to customer route prefixes also route filtering using Route-maps.iBGP.

•Worked on Cisco White Box End to End tests- Configuration tests, Service Feature tests, Failure/recovery.

•Performed ADIG WB InterOp - Ciena/Arista/WB in CALEA -Internetworking, Failure/recovery, ARP for IPv4 and IPv6 tests.

•Worked on VLAN Configuration for Peering, Customer Packet Filter with applying various ACL Configuration.

•Policing and Scheduling for Egress COS Traffic.

•Responsible for TCP/IP Networking troubleshooting.

Hardware Environment:

Cisco IOS-XR Series, JUNOS, Ciena Switch, Arista Swith

Project Environment:

IOS-XR, IxNetwork, Spirent TestCenter, VLAN, Double Tagging (Q in Q). Link Aggregation, End To End traffic, ACL, OSPF, BGP, COS, QOS, JIRA, Labops,

AT&T- Middletown, NJ July 2017-May 2018

Network/Data Engineer

Team Size-6

Project: ADIOD Juniper vMX Certification

Project Description:

The vPE is spun-off on a server which is connected with a pair of TOAs (Top of Asile) switches in 1710 or a pair of LEAFs.The GMIS/ADI-G services deployment using vPE in AT&T Integrated Cloud (AIC) environment in Most of the World (MOW) regions. This project is based on SAREA project and AIC environment to provide customer access using Ethernet in MOW regions, such as AP, EMEA, CALA and Canada.

Responsibilities:

•Managed QA processes through resource delegation and by managing stakeholder expectations through a constant awareness of QA project status.

•Design, configuration and testing of various routing protocols like OSPF, BGP on Juniper vMX Routers.

•Actively involved in Switching Technology Administration including creating and managing VLANS, Port Security-802.1x, Trucking 802.1Q, Inter-VLAN routing and LAN security on Juniper vMX.

•Experience working with Layer 2 switching, TCP/IP, OSPF and load balancing.

•Configured EBGP/IBGP policies also tested BGP attributes such as Local preference, MED, AS-PATH, Community and Weight.

•Configured EBGP load balancing and ensured stability of BGP peering interfaces.

•Worked on Route-Reflectors to troubleshoot BGP issues related to customer route prefixes also route filtering using Route-maps.

•Worked with 3rd party gear (IXN2X, IXIA, and SPIRENT TEST CENTER), different router vendors to test various implementations and interoperability testing.

•Performed reviews of technical documentation, including design specifications, test plans and customer documentation, and provided feedback to the author through review meetings and written feedback.

•Working with Developers to solve customer field issues.

•Raising MR’s in defect tracking system with proper severity, priority and reproducing steps (MR Center), verifying the defects once the fix is available

•Produced artifacts to substantiate the verification of fixes provided (by the Vendor) including defect ticket closure in the appropriate defect tracking system.

•Raised the Labops ticket for the device and the environment issues.

Hardware Environment:

Juniper vPE (MX series), Juniper QFX, Cisco IOS-XR Series, Ciena Switch, Arista Swith

Project Environment:

Junos, IOS-XR, IxNetwork, Spirent TestCenter, VLAN, Double Tagging (Q in Q). Link Aggregation, OSPF, BGP, COS, QOS, MRCenter, Labops, Horizon server. Dell Server, HP server.

Ericsson – San Jose, CA FEB 2015 to June 2017

Network Automation Test Engineer

Team Size: 8

Project: ERICSSON PDU IP System I&V

Project Description:

SE1200H -The SmartEdge 1200H router is a carrier-class product with an architecture that supports packetized traffic. It has a higher power rating than the SmartEdge 1200 router allowing it to support a greater number of PPA3-based line cards. The SmartEdge 1200H router can be used as an edge aggregation router and simultaneously as a broadband remote access server (BRAS) to directly connect customers to the network

Responsibilities:

•Designing the test topology, develop and execute test scripts to verify new feature functionality on Ericsson Smart Edge routers.

•System performance monitoring, tuning and log management.

•Configured and executed the Daily & weekly Platform and smoke tests using Perl scripts on L2/L3 platforms, the features include VLAN, VxLAN, VTP, HTTP, HTTPS, LACP, DHCP Ethernet, STP, RSTP, 802.1Q, Double Tagging (Q in Q). Link Aggregation, PIM, IGMP, GRE, L2VPN, L3VPN, VPLS, VPWS, IPv4, RIP, ISIS, OSPF, BGP, IBGP, EBGP.

•Manual performance calculation of protocols like BGP, IGMP for specific requirements on different modules.

•Involved in troubleshooting various layer 2 and layer 3 issues related to MPLS VPN, Multicasting, VRF.

•Executing system regression scripts, analysing and troubleshooting the failure and updated the logs in TC-view.

•Performed the system testing for IGMP snooping, trunking, & VLAN.

•Worked with Cisco vendors and service providers to open tickets and resolved networking issues.

•Installation, Upgradation, configuration and Capacity Planning of Unix/Linux infrastructure for different AAA servers.

•Involved in migration of Linux gentoo environment scripts to linux redhat environment scripts.

•Debugged extensively with DE to figure out the back plane crash.

•Testing the link aggregation group (LAG) with access, core & multicast functionality of SE800/SE1200 Redback SmartEdge router

•Involved in interoperability testing with Cisco IOS and Juniper JUNOS software testing.

•Working knowledge of IP Multicast, including PIM and IGMP.

•Involved in managing and securing remote access through designing and implementing various VPN technologies including IPSec, GRE, MPLS, DMVPN, Frame relay.

•Preparing night and daily batch file for automated scripts execution.

•Created manual test cases and test suites for different modules of the application.

•Involved in test plan writing & manual testing the link aggregation group (LAG) functionality with Access (PPPOE & DHCP ) & core functionality

•Manually configured SE router and collecting the required logs as per the customer scenario.

•Responsible for updating and maintaining the test data and regression pack for every version of the application.

•Verified bugs in Extra View and working with developers to reproduce and troubleshoot bugs.

•Extensively automated new testing scripts, testing suites and modifying the scripts and test suites using Perl and Python.

•Automated the test cases using Ericsson automation framework (ARTS).

•Analysing scripts run with sys build images and report failures to developers.

•For new connection, topology, and hardware issues using ticketing tool like RTT, ALM, and TGR.

•Performed Defect Tracking & Management in JIRA.

•As a point of contact to offshore team, trained the offshore team and coordinated with them for the work related issues and also providing the weekly updates to the managers.

•Verifying customer requirement in different platform and setup the test bed.

•Involved in test bed migration from different labs.

•Developing, modifying and commit the scripts in CVS and GIT repository.

Hardware Environment:

SE1200, SE800, SE600, SE400

Project Environment:

Perl, Python, TCLtk, VLAN, VTP, L2VPN, RIP, OSPF, BGP, iBGP, eBGP DHCP, HTTP, HTTPS, LACP, SNMP, SMTP, RTT, Extra View, JIRA, TGR, GIT, ARTS, IXIA, IXN2X, and Radius.

Ericsson – Bangalore, India APRIL 2013 to JAN 2015

Network Engineer

Team Size: 14

Project: REDBACK SMARTEDGE ROUTER

Project Description:

There are various flavours of SE routers like SE1200, SE800, SE600, and SE400 and their capabilities also grow with evolution. These routers having line cards and XCRP route processor which contains different ASICs for different processes.

Responsibilities:

•Design the test topology and Executing automated test scripts using Perl on Ericsson SE box.

•Debugging and analysing output log files and report failures and defects in defect tracking tool.

•Recovered test beds to stable condition when script failed due to hardware or software defects.

•Filed bugs in extra view and report in detail defects and root causes.

•Raise/document, reproduce and characterize product defects uncovered during the system verification test phase. Communicate and/or escalate deviations or unexpected system behaviour to design.

•Worked intimately with senior development and systems engineers to understand product specifications; analyzed technical requirements and design specifications and translated information to test cases.

•Use IXIA/IxNetwork/IxExplorer for traffic generation and Wireshark for packet capture.

•Supporting developers for submitted jobs and prioritized queues for scripts run.

•Run Performance test on L2/L3 (STP, RSTP, RIP, OSPF, and DHCP) protocols with Ixia Automate Test tools on Switch platform.

•Modifying Perl scripts for any update or changes according to the requirements.

•Verifying customer bugs and collecting required logs.

•Mentored new team members and interns in the team.

•Involved in automation script reviews, CPI document review.

Hardware Environment:

SE1200, SE800

Project Environment:

Perl, TCL/TK, RIP, OSPF, DHCP, SNMP, RTT, Extra View, TGR, ARTS, IXIA.

MOTOROLA SOLUTIONS- Bangalore, India OCT 2011 to APRIL 2013

Software Engineer

Team Size: 15

Project: Data Centre Switch & Router

Project Description:

Cisco CAT6k Series, part of the Cisco Family of data centre-class switches, delivers an innovative architecture that simplifies data centre transformation. These switches deliver high-performance, standards-based Ethernet and FCoE that enables the consolidation of LAN, SAN, and cluster network environments onto a single Unified Fabric.

Responsibilities:

•Involved in execution and troubleshooting of test cases for regression and sanity testing.

•Involved in maintenance and new customer release activity.

•Worked on L2 protocol like VLAN, Ethernet, STP, RSTP, 802.1Q, Double Tagging (Q in Q, DHCP).

•Raised and tracked the defects in bug tracker tool.

•Worked with DEs for Bug supporting.

•Involved in Test Plan review, automation script review and Documentation review.

•Reproduced and tested the costumer issues and updating the same.

•Actively involved in working on multiple customer escalations.

•Verifying and tracking the Tickets to closure, which were raised.

Hardware Environment:

Nexus 7K/3K/2K, Catalyst 6500/4900/4500/3750, ISR/ASR routers

Project Environment:

VLAN, Ethernet, STP, RSTP, 802.1Q, Double Tagging (Q in Q), DHCP.

Contact this candidate