Validation Engineer

2 weeks ago

Plano, United States Enin Systems Full time

JOB- Validation Engineer

LOCATION- Mountain View, CA

DURATION-Long Term.

Pointers:

  • Good at networking
  • Familiarity with Juniper OS
  • Familiarity with Nokia IXR
  • Familiarity with GPON / XGSPON Standards
  • BNG = Broadband network gateway
  • OLT = Optical Line Terminal
  • TCP-IP, and L2/L3 networking

Sample of Work

- Add an ONT to an existing PON and get it activated on the PON

- Log into the OLT and verify the ONT status, verify the configuration is good

- Check the light levels on both ONT and OLT, add attenuation as needed

- Add optics to the OLT and run a fiber to the upstream BNG to establish physical connectivity

- Set up the profiles on the BNG to dynamically add new subscribers

- Ensure the ONT is manageably by the NMS (ADTRAN AOE or Nokia AMS or similar management systems)

- Connect a Spirent Test Center 10G port to the ONT UNI

- Send DHCP traffic from the STC up the network

- Log into the BNG and check to see the subscriber status

- Track the DHCP server response to make sure the response was received by STC to establish a successful connection

- Set up multiple upstream and downstream traffic flows with varying sizes to test the network performance and scale

- Verify the traffic at different aggregation points in the network (ONT, OLT PON port, backplane, OLT uplink, BNG downlink, routing table etc.)

- Apply the necessary static route configuration on the BNG to establish management connectivity to the OLTs

Job Description & Responsibilities

- Set up validation test beds in the lab involving Nokia 7750 Service Router, Nokia & ADTRAN OLTs, optical splitters, GPON & XGS-PON ONTs, WiFi routers, aggregation &

management switches

- Develop test plans to validate features & functionality in the access network space (BNG, OLTs & ONTs) for ultra-speed residential internet services and Enterprise network connectivity services (Ethernet, MPLS, wavelength based)

- Perform the necessary testing using 3rd party traffic generation tools such as IXIA and Spirent

- Review & troubleshoot issues in the test bed and traffic generators during test execution

- Work with the equipment vendors and internal teams to provision, validate and troubleshoot services

Qualifications

- Prior experience with a service provider or equipment manufacturer in testing or deploying internet services & Enterprise data services is required (residential internet service, Ethernet transport services such as E-Line, E-LAN and E-Tree, dedicated internet access, SD-WAN, L2/L3 VPNs, cloud / data center interconnect, L2 wholesale).

- Prior experience with Nokia/ADTRAN OLTs, ONTs and Nokia/Cisco/Juniper switches and routers, Nokia 7750 PE router

- Prior experience with TCP-IP, and L2/L3 networking, passive optical networks such as GPON and XGS-PON, different types of ONTs, ONT activation, DBA, QoS and traffic management, EVPN, MPLS, L2/L3 VPNs, SD-WAN etc.

- Prior experience with Spirent/IXIA traffic generators, RFC2544, Y.1564 testers

- Prior experience with Python and Expect

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