Staff QA Engineer
Plume
| Company | Plume |
| Category | Engineering |
| Location | Hyderabad |
| Remote | On-site (inferred) |
| Employment | Not stated |
| Level | Not stated |
| Salary | Not stated by the employer |
| Posted | 3 Aug 2026 |
| Last verified | 12 Aug 2026 |
| Source | The employer's own careers page (company_site) |
Description
Plume is a SaaS platform delivering WiFi and AI-powered service delivery to smart homes and enterprises globally. As a Staff QA Engineer, you will ensure the functionality and performance of edge security products by designing automated tests, validating network behavior, and collaborating with development and automation teams to improve QA processes.
What You'll Do
• Design and develop automated test cases for validating DPI engines and secure network traffic inspection
• Test real-world client/router/cloud interactions to deeply validate 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 such as DNS tunneling, spoofing, and port scanning to evaluate detection effectiveness
• Leverage and extend DPI tools including nDPI, Suricata, and Zeek for custom validation use cases
• Partner with firmware developers to validate and test access control logic
What You Need
• 5+ years of experience as an SDET, Security QA Engineer, or related role in networking/security domains
• Strong programming and 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 experience with packet sniffers such as Wireshark and PCAP analysis
• Solid grasp of firewall behavior, DPI concepts, SSL inspection, and secure communication protocols
• Strong debugging skills with ability to identify design flaws, race conditions, and performance bottlenecks
• Ability to break software systems in creative and useful ways
Nice to Have
• Familiarity with nDPI, Suricata, or commercial DPI stacks
• Exposure to MITM techniques and threat simulation frameworks
• Prior experience testing IoT or WiFi edge devices such as OpenWRT, OpenSync, or embedded Linux
• Background in cybersecurity, network security, or traffic classification
• Experience in testing cloud-native networking products