Staff software Engineer (QA in broadband domain)
Vistance Networks13 hours ago
Bengaluru, IndiaStaff+
Responsibilities
- Define test strategies, test plans, and validation approaches for cloud-native microservices, CMTS/DOCSIS platforms, and embedded devices.
- Create and maintain test cases covering functional, integration, system, resiliency, scalability, performance, and end-to-end workflows.
- Execute end-to-end, integration, regression, interoperability, and system-level test suites.
- Investigate distributed microservices, CMTS/DOCSIS, embedded-system, and networking issues using logs, traces, telemetry, packet captures, and system metrics.
- Develop scalable test automation frameworks using Java, Python, or Go.
- Build, configure, and maintain test labs containing CMTS platforms, DOCSIS devices, embedded systems, virtualized environments, and cloud-native services.
- Manage hardware, network topology, simulators, traffic generators, and large-scale test environments.
- Provide customer support for issue triage, verification, and release confidence.
- Collaborate with R&D, development, product management, DevOps, and customer support teams to resolve critical issues and improve product quality.
- Use automation, debugging tools, and AI-assisted techniques to improve test coverage, execution efficiency, and root-cause analysis.
Requirements
- Bachelor’s degree in computer science or equivalent experience, with 8+ years in QA or software-engineering testing of embedded systems with microservices.
- Experience with QA methodologies, scripting such as Python and Bash, and Linux.
- Strong experience with CMTS/DOCSIS technologies and broadband networking domains.
- Deep understanding of cloud-native microservices architectures, APIs, containers, and distributed systems.
- Strong debugging and troubleshooting skills involving logs, packet captures, telemetry, and system diagnostics.
- Experience with DHCP, DNS, NAT, IPv4, and IPv6.
- Hands-on experience with Wireshark, tcpdump, Iperf, and traffic generators such as Ixia and Spirent.
- Exposure to AI-assisted test automation and quality-engineering practices.
- Preferred knowledge of CMTS architectures, traffic engineering, routing, switching, multicast, IGMP, and TOD.
- Preferred experience with Kafka, Redis, Elasticsearch, Prometheus, Grafana, and Splunk.
Benefits
- Hybrid work arrangement in Bangalore.
- The employer is an equal opportunity employer, including people with disabilities and veterans.
Tech Stack
About Vistance Networks
Vistance Networks builds communications networking solutions for carriers and large enterprises, spanning network hardware, software, and technical support services. It sells products and maintenance contracts and provides outsourced escalation and managed support for complex network deployments. Headquartered in Richardson, Texas, it operates globally, with customer-facing engineers who reproduce issues in lab environments and deliver SLA-driven case management and documentation.