This is a work-from-office / In-Office role based in our Hyderabad, India location.

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 (Deep Packet Inspection) 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

- 3+ 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 practical 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

Education:
Bachelor s or Master s degree in Computer Science, Computer Engineering, Information Systems, or a related technical field, or equivalent practical experience.

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📌 QA Engineer (DPI) - Contract (Hyderabad)
🏢 Corp Security International
📍 Hyderabad