Software Engineer - CCS - QA

ESP Engineered

Hyderabad

On-site

INR 800,000 - 1,200,000

Full time

14 days+

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Job summary

ESP Engineered is looking for a Mid-Level QA Engineer in Hyderabad to join their core networking software team. This role requires expertise in L2/L3 networking protocols, advanced Linux debugging, and strong scripting skills. As a QA Engineer, you will analyze complex customer issues, conduct in-depth testing, and improve product quality through collaboration and automation. Ideal candidates will have a strong focus on detail and be passionate about contributing to product stability and performance.

Qualifications

Proven experience as a QA/Test Engineer or in a sustenance/debugging role.
Solid understanding of L2/L3 networking protocols.
Experience with advanced Linux tools for performance and system analysis.

Responsibilities

Reproduce and analyze real-world customer issues.
Simulate complex network environments for testing.
Perform root cause analysis and validate fixes.

Skills

QA/Test Engineer experience

L2/L3 networking protocols

Linux debugging skills

Scripting (Python/Bash)

Collaboration in cross-functional teams

Tools

Wireshark

Valgrind

tcpdump

Job description

Role Overview :

Aviz Networks is an AI-driven networking company helping enterprises and service providers accelerate adoption of SONiC, open networking, and AI-powered operations. Backed by Cisco Investments and integrated with NVIDIA Spectrum-X, Aviz enables customers to standardize, simplify, and future-proof their network infrastructure.

We are seeking a skilled and driven Mid-Level QA Engineer to join our core networking software team.

This role is ideal for a technically strong test engineer who thrives on uncovering issues in complex systems.

You will play a critical role in reproducing, analyzing, and preventing challenging customer-found defects in L2/L3 networking environments.

If you're passionate about system-level testing, root cause analysis, and ensuring robust product quality, we want to talk to you.

Key Responsibilities :

Customer-Focused Issue Reproduction & Analysis: Work closely with support and development teams to reproduce high-priority, real-world customer issues.

Simulate complex network environments and help narrow down problematic areas.

Deep-Dive Testing & Debugging: Leverage advanced tools and logs to identify subtle defects such as memory leaks, race conditions, and system-level anomalies. Conduct forensic analysis of test failures.

Root Cause Assistance & Verification: Collaborate with developers to perform root cause analysis and validate fixes. Design regression and edge-case tests to ensure long-term product stability.

Automation & Test Development: Build and maintain automated test suites for functional, regression, and system-level testing. Focus on increasing coverage for complex networking scenarios.

Quality Advocacy: Participate in design and code reviews, contributing to testability, reliability, and defect prevention discussions. Proactively identify risk areas in the system.

Core Qualifications :

Core Qualifications & Experience Level: Proven experience as a QA/Test Engineer or in a sustenance/debugging role, preferably in networking or embedded systems domains.

Networking Expertise: Solid understanding of L2/L3 networking protocols and real-world deployment use cases. Hands-on experience in using Networking test equipment.

Linux Debugging Skills: Hands-on experience with advanced Linux tools for performance and system analysis, such as: perf for profiling trace, lsof, and dmesg for tracing and diagnostics Valgrind, ASAN, and MSAN for memory debugging Familiarity with tcpdump, Wireshark for packet analysis.

Programming & Scripting: Strong scripting (Python/Bash) skills for automation. CCNA/CCNP/CCIE is desirable Who You Are A Curious Investigator: You love exploring edge cases and challenging bugs, and you're not afraid to dive into unfamiliar territory to find answers.