We provide IT Staff Augmentation Services!

Senior Network Engineer Resume

Tampa, FloridA

SUMMARY:

  • Certified Scrum Master.
  • Domain 2.0 Confidential & Confidential Integrated Cloud (AIC) Platform: Experience with cloud environment / infrastructure & knowledge and hands on experience in Openstack.
  • Extensive knowledge/experience with various protocols/architectures (SIP, H.248, IMS) w.r. Confidential implementation, interworking, troubleshooting, and support.
  • Expert level knowledge in automating IMS, LTE, 3G, 2G call flows using client proprietary tools for regression testing.
  • Equipment planning & engineering, integration, deployment & acceptance testing of telecom nodes in R&D infrastructure.
  • Accomplished Test Manager with 14 years of experience in manual & automation testing, web applications testing, telecom project co - ordination, network planning, deployment & integration and network support.
  • Deep understanding and debugging capabilities for SIP and Wireshark traces/captures.
  • Hands-on experience on Jenkins (CI tools).
  • Experienced in working in Agile and DevOps environment.

TECHNICAL SKILLS:

Continuous Integration: Jenkins, Robot (CI tools) SDN Opendaylight, SDN controller, Mininet network emulator Cloud Openstack

Telecom/Telephony Specific: Switching, SIP, VoIP, VAS, IMS, CDMA/GSM Call Processing, VoLTE, IMS, and Data Networks

Test Areas: Feature Test, Regression Test, Integration Test, Acceptance Test, Sanity, Backward Compatibility Test, System characterization test.

Test Tools: CATT, CMUST, CTDAT

Protocols: H.248, SIP, SS7, IS-41, IPv4, IPv6, TCP/IP, CAMEL

Tools: CLI Manager, Wireshark, IRIS, HP Quality Center, Asterisk, Anaconda Navigator

Operating Systems: Unix, Linux, Windows

ORGANIZATIONAL EXPERIENCE:

Confidential, Tampa, Florida

Senior Network Engineer

Responsibilities:

  • Leading a team of test engineers on VoIP Testing (Testing & of Ericsson platform)
  • Hands on experience on SBG/SBC (Session Border Gateway), BGF (Border Gateway Function) & ECE (Ericsson Composition Engine) involved in Confidential & Confidential BVoIP infrastructure ( Confidential & Confidential Integrated Cloud).
  • Hands on experience on Openstack orchestration & commissioning. Activities involve -
  • Spinning up VNFs of SBC, BGF/MRS, ECE (With Nova API and using Heat Templates).
  • Setting up networking between the VNFs (With Neutron API)
  • Performing maintenance activities on Openstack VMs. (Upgrades, Backup/Restore etc.)
  • Troubleshooting communication issues between VMs.
  • Preparing test plan for feature tests, regression tests & platform tests.
  • End to End call flow testing of VoIP services involving LTE.
  • Provide Lab environment test support.
  • Develop Method of Procedure for field implementation.
  • Hands on experience on Netscout IRIS tool for collecting call traces & troubleshooting.

Confidential

QA Lead, Dallas, TX

Responsibilities:

  • Extensive testing experience on Ericsson media gateways (PPX/CPP).
  • Verification and validation of H.248 messages between MGCF & MGW (add, modify, subtract, audit etc.) for IMS (IMS to A2p, IMS to PSTN) interworking calls (basic as well as feature interactions).
  • Verification and validation of SIP messages between MGCF for single MSC & Inter-MSC calls.
  • Troubleshooting of issues found in SIP & H.248 messaging in call failure scenarios.
  • Troubleshooting of connectivity issues between MGCF & MGW.
  • Experience on real (ATCA) as well as simulated MGCF nodes.
  • Leading the test activities of multiple projects in core telecom, cloud computing domains.
  • Creating automated jobs (Washing Machines) with Jenkins CI framework (Continuous Integration) for various testing areas.
  • Validation of Ericsson CDMA & Ericsson GSM-N MGCF software releases in test lab.
  • Highly experienced in lab commissioning, integration & maintenance. Have successfully commissioned & integrated 12 E2E telecom labs (consisting of nodes like MSC, BSC, BTS, OSS/BSS nodes, PDSNs, Routers, Switches)
  • End to end planning & engineering of Ericsson (formerly Nortel) equipments as per Nortel Engineering Process.
  • Identifying the footprint locations for new frames as per floor layout diagram.
  • Update the Autocad drawings for floor layouts.
  • Ordering the materials in procurement system (cables, frames, fibers, connectors, cards etc.)
  • Tracking the shipments of the materials.
  • Preparing engineering documents for different projects - Engineering includes a. Installation procedures. b. Cables connectivity details. c. Configuration information (IP address assignment/subnet details).
  • Monitoring the physical installation of materials from third party vendors.
  • Commissioning of various telecommunications nodes (loading the OS, configuring the IP addresses, verifying the IP connectivity with other nodes).
  • Integrating the newly commissioned nodes with existing nodes.
  • Identifying & reporting of the project level risks related to material shipment, space availability, resources for commissioning & integration.
  • Closely tracking the project work progress & timely reporting to management.
  • Announcement testing on Media gateway.
  • Hands on experience on DACS systems (Optera Metro 3500/5100).
  • Identify & document all the call scenarios for feature test, regression test. Perform the lab setup as per the feature requirement. Perform the calls, collect the traces & verify/troubleshoot the call flows.
  • Performing basic Linux admin activities on various telecom nodes & servers. Hands-on experience on installation & maintenance of Ubuntu, Fedora Core servers.
  • Hands on experience of performing software upgrades of M-MGW (CPP) & Passport 15k based MGW using Node Manager as well as through CLI.
  • Use of tools like Wireshark, H.248 decoder to capture the packets between end points & decoding the messages for fault detection.
  • Developed automated regression test scripts using C++ and JAVA like APIs.
  • Coordinated multiple projects simultaneously in onsite/offshore model.
  • Planning, I&C & integration of Ericsson telecom nodes in R&D lab environment.

Confidential

QA Lead

Responsibilities:

  • Manual & automation testing of Tender Management Application developed using Salesforce Service Cloud.
  • Preparing test strategy, test plans and writing test cases.
  • Evaluating and understanding the Functional Requirement Specs (FRS), System Architecture Doc (SAD), High Level Design (HLD) documents
  • Performing reviews with the development teams and driving technical demos to client.
  • Liaising with design and system level test teams for identifying the coverage areas of test; identify missed coverage, overlapping coverage to synergize the coverage areas

Confidential

Deputy Manager

Responsibilities:

  • Managed daily analysis of IN-IVR congestion report & planning of E1 augmentation to minimize the congestion
  • Facilitated solutions to new business requirements for prepaid subscribers.
  • Raised work orders with detailed MoP for BSS Ops to implement the changes in SCP/SDP for the new features.
  • Involved in planning IN nodes (SCP, SDP, and remote IVR) for Confidential GSM services rollout

Hire Now