Note: The job is a remote job and is open to candidates in USA. Cygnus Professionals Inc. is seeking a Senior Network Test Engineer to lead testing and qualification for carrier-grade networking equipment and infrastructure. The role involves designing and executing test plans, configuring and troubleshooting multi-vendor network labs, validating performance and reliability, analyzing traffic, and resolving complex network issues.
Responsibilities
- Design, implement, and execute comprehensive test plans for networking equipment and features
- Set up, configure, and troubleshoot complex multi-vendor networking lab environments that mimic live networks
- Validate performance, scalability, and reliability of service provider networking solutions
- Perform traffic generation and analysis using tools such as Ixia/Keysight and OTDR
- Collaborate closely with Network Engineering, QA, and operations teams to identify, debug, and resolve complex issues
- Document test cases, results, and defects with high clarity and detail
Skills
- • Bachelor's degree in Computer Science, Electrical Engineering, or related field (or equivalent work experience)
- • 7+ years of hands-on experience in Carrier-grade telecom equipment testing and qualification including router and switches
- • Proven experience with wireless technologies, focusing on mmWave and E-band point-to-point technologies
- • Solid understanding of key radio frequency performance indicators including Signal to Noise Ratio (SNR), Bit Error Rate (BER), and Receive Signal Level (RSL)
- • Strong hands-on knowledge of L2/L3 protocols: Ethernet, VLANs, IP, MPLS, BGP, QoS
- • Demonstrated ability to set up, configure, and troubleshoot complex, large-scale network environments across multi-vendor platforms
- • Hands-on experience with traffic generators and analyzers (e.g., Ixia/Keysight, OTDR)
- • Excellent problem-solving skills and ability to work in fast-paced environments
- • Strong verbal and written communication skills
- • Proficiency in Python for test automation (Pytest or similar frameworks)
- • Working knowledge of ESM, OLT, PON, and ONT testing
- • Knowledge of Linux-based test environments and shell scripting
- • Familiarity with CI/CD pipelines and test integration
- • Familiarity with OSS and BSS system
- • PON testing experience highly desirable
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