Job Description :
Position: Network Test Engineer
Location: Northridge, CA

Note : : Need someone with good hands on MPLS and good experience on L2(VLAN, STP) and L3(BGP, OSPF) protocols.


Testing and configuration of various mobile backhaul and packet transport network elements such as cellsite gateways/routers, edge/aggregation routers and packet-optical devices in a lab environment
Configuring and operating various test tools & equipment (hardware & software) used in a lab environment
Development of operator-level test plan, execution of test plan and validation of requirements, identification of issues & troubleshooting and documenting test results
Collaborating with hardware and software vendors to improve product quality & readiness
Engaging with ecosystem partners (operators, equipment vendors, test equipment vendors) during lab trials
Integration of these cellsite routers / packet transport network elements in various network topologies and end-to-end scenarios including mobile base stations and mobile core systems (eg., eNB, EPC), to be performed in conjunction with other teams



Solid understanding of test & measurement principles that pertains to networking related functions in the context of mobile transport/backhaul networks
Experience configuring and testing cellsite switches/routers/gateways, network demarcation devices, aggregation routers and packet optical transport systems
Platforms such as: Cisco ASR, ALU 7705/7750SR/IXR, Ciena CN3900/5000, Huawei ATN910/950/CX600/NE40, Juniper ACX/MX, Ericsson Router6000
Understanding and configuration of IP/MPLS control/data plane, including routing technologies such as IS-IS, OSPF, BGP, RR, VPWS/VPLS, EVPN, Segment Routing, Provider Bridging/QinQ/C-VLAN/S-VLAN, LAG
Experience configuring and testing Carrier-Ethernet services ELINE/ELAN/ETREE, L2VPN/L3VPN services, Pseudowires circuits, wavelength services
Strong understanding of IP/MPLS/DIA/Ethernet network design & deployments in large-scale Equipment vendors and Operator networks
Knowledge configuring and testing of QoS & H-QoS related mechanisms including classes of service, policers/shapers, schedulers, active queue management
Experience with various traffic generator equipment such as IXIA, Sprint, Xena, Viavi
Strong knowledge working with linux-based switches/routers


Strong knowledge and testing of fault management & performance monitoring functions for transport/backhaul networks such as 802.1ag/Y.1731/IPPM/TWAMP/MPLS-OAM
Solid understanding and testing of frequency & time synchronization network architectures & functions such as Synchronous Ethernet, IEEE1588, Boundary Clock, ITU-T G.8265.1/8275.1 profiles
Capable of operating and configuring test & measurement equipment such as Calnex Paragon and various sync-related devices such as Grandmasters and clock sources
Working knowledge of EMS/NMS systems
Knowledge of latest trends of SDN orchestration, controllers, including service API for inventory, provisioning and activation, zero-touch provisioning (ZTP), path computation
Experience with YANG models, OpenConfig models, including definition/specification and test & measurements
Good understanding of integrating and testing microwave/mmwave systems
Experience with test plan development, execution, troubleshooting and documenting issues, setting up test beds, configuring test equipment and troubleshooting end-to-end networks
Desired experience in automating test cases, API integration, python scripting