Staff Engineer, Solution Test

1 week ago

Bengaluru, Karnataka, India Calix Full time

Calix provides the cloud, software platforms, systems and services required for communications service providers to simplify their businesses, excite their subscribers and grow their value.


Responsibilities and Duties:
Independently set day-to-day work priorities while working to achieve the goals of the team/organization.
Design and Develop test strategies and create test cases to validate assigned features and overall solution.
Design and develop effective Lab topologies to mimic customer deployments and Scenarios.
Execute and monitor tests to report system issues and test results.
Perform regression testing on new software and hardware, robustness & scalability tests and evaluate compliance to specifications.
Develop and execute tests to validate customer use cases.
Reproduce field issues and validate their resolution in a timely manner.
Use traffic generators to create real-world traffic streams for video, data, and voice related testing.
Capture and analyze data packets.
Troubleshoot and debug issues. Clearly describe system-faults in bug tracking platforms.
Lead/mentor a small team of junior and senior level test engineers.

Work with multiple internal cross-functional teams, as well as 3rd parties, to review use cases and functional specs, provide and analyze test results and field scenarios.

Travel and attend face-to-face meetings and Calix sponsored events when required.

Qualifications:8+ years of technical knowledge/experience working with access and premises network systems.
Excels at learning quickly and adapting to change.
Must be detail-oriented, be able to work independently and sometimes with limited information.
Proactively communicate status, issues, and support needs to appropriate manager(s).Organized and goal-focused, ability to deliver in a fast-paced environment.

Minimum of 4/8 years of knowledge and experience with Telecom Access Products specifically GPON/NGPON/XGS-PON technologies as they apply to Fiber-to-the Home, Fiber-to-the-Business, Fiber-to-the-Curb, Fiber-to-the-Desk, etc.

Minimum of 4/8 years of networking protocols and technology experience related to Layer2/3 Ethernet networks including, but not limited to, TCP/IP, DHCP, PPPoE, UDP, IPv4/v6, MPLS, Link Aggregation, Ethernet packet structures, VLAN routing, QoS, IPTV, SIP, H.248, MGCP, ISIS, BGP, OSPF, and other upper-layer application protocols.

Experience testing user interfaces including, but not limited to, CLI, SNMP, TR69, Netconf, GNMI, Rest APIs.
Working knowledge of Virtualization and Cloud networking such as KVM, VMWare, Docker, Containerization is a Plus.

Experience with data communications or telecommunications product testing in one or more of the following areas:
Wireless technologies, RSTP, BGP, G.8032 and/or L2/L3 Routing protocols.

Experience with packet capture tools like Wireshark, tcpdump, iperf, wireline simulators, traffic generators and other networking test and evaluation tools.

Experience with end-to-end testing of OLT-ONU(OMCI) interaction and troubleshooting.
Excellent general troubleshooting skills.
Ability to articulate problems in detail.
Excellent verbal/written English communication skills while working with local/remote teams.

Hands-on experience with performance test methods and tools, e.g., Spirent, IXIA, Abacus/Ameritec Bulk Call Generators, Ookla Speed Test, Iperf, etc.

BS/MS EE, or equivalent.
CCNA/CCNP/JNCIP/RHCSA or equivalent desired.

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