As an SDET/Dev-QA Engineer at Plume, you ll play a pivotal role in ensuring the functionality and performance of our edge security products. Collaborating closely with Dev & Automation teams, you ll develop and execute comprehensive test plans, identify and document bugs, and contribute to the continuous improvement of our QA processes.

Responsibilities

- Design and develop automated test cases for validating DPI engines and secure network traffic inspection.
- Testing real-world client/router/cloud interactions for deep testing of L2 L7 network behavior.
- Validate TLS/SSL traffic inspection and network traffic classification techniques.
- Write tests to ensure accurate handling of malformed packets, evasive traffic, and intrusion detection patterns.
- simulate security vulnerabilities (e.g., DNS tunneling, spoofing, port scanning) and evaluate detection effectiveness.
- Leverage and extend DPI tools (e.g., nDPI, Suricata, Zeek) for custom validation use cases.
- Partner with firmware developers to validate & test the access control logic.

Qualifications

- 5+ years of experience as an SDET, Security QA Engineer, or related role in networking/security domains.




- Strong programming/scripting in Python for test automation and tooling.
- Deep understanding of TCP/IP, UDP, DNS, TLS, HTTP/HTTPS, NAT, VPNs, and tunneling protocols.
- Hands-on with packet sniffers (e.g., Wireshark) and PCAP analysis.
- Solid grasp of firewall behavior, DPI concepts, SSL inspection, and secure communication protocols.
- Strong debugging skills: ability to spot design flaws, race conditions, and performance bottlenecks in complex architectures
- Ability to break software systems in creative and helpful ways

Preferred Qualifications

- Familiarity with nDPI, Suricata or commercial DPI stacks.
- Exposure to MITM techniques, threat simulation frameworks
- Prior experience testing IoT or Wi-Fi edge devices (e.g., OpenWRT, OpenSync, embedded Linux).
- Background in cybersecurity, network security, or traffic classification.
- Experience in testing cloud-native networking products

This job posting has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying

📌 Staff QA Engineer (Hyderabad)
🏢 Corp Security International
📍 Hyderabad