2 months ago
Hyderābād, IndiaSenior
Responsibilities
- Design and develop automated test cases for DPI engines and secure network traffic inspection.
- Test real-world client, router, and cloud interactions across L2–L7 network behavior.
- Validate TLS/SSL traffic inspection and network traffic classification.
- Test malformed packets, evasive traffic, and intrusion detection patterns.
- Simulate security vulnerabilities including DNS tunneling, spoofing, and port scanning, and evaluate detection effectiveness.
- Extend DPI tools such as nDPI, Suricata, and Zeek for custom validation use cases.
- Partner with firmware developers to validate and test access-control logic.
- Identify and document bugs and contribute to continuous QA process improvement.
Requirements
- At least 3 years of experience as an SDET, Security QA Engineer, or in a related networking or security role.
- Strong Python programming and scripting skills for test automation and tooling.
- Deep understanding of TCP/IP, UDP, DNS, TLS, HTTP/HTTPS, NAT, VPNs, and tunneling protocols.
- Hands-on experience with packet sniffers such as Wireshark and PCAP analysis.
- Understanding of firewall behavior, DPI concepts, SSL inspection, and secure communication protocols.
- Strong debugging skills, including identifying design flaws, race conditions, and performance bottlenecks.
- Ability to break software systems in creative and useful ways.
- Preferred: familiarity with nDPI, Suricata, or commercial DPI stacks.
- Preferred: exposure to MITM techniques and threat simulation frameworks.
- Preferred: experience testing IoT or Wi-Fi edge devices such as OpenWRT, OpenSync, or embedded Linux.
- Preferred: background in cybersecurity, network security, traffic classification, or cloud-native networking products.
- Bachelor’s or Master’s degree in Computer Science, Computer Engineering, Information Systems, or a related technical field, or equivalent practical experience.
Benefits
- Contract position.
- Work-from-office role based in Hyderabad, India.
About Plume
Plume builds a cloud-managed, hardware-agnostic Wi‑Fi and subscriber-experience platform used by communications service providers. Delivered as SaaS, it converts in-home device data into network optimization, security, smart home services, and operational analytics that improve care and reduce churn. Founded in 2015 and headquartered in Palo Alto, it is used by 450+ ISPs, including Charter, Liberty Global, Bell, Jio, and J:COM.