{"id":4152568,"url":"https://alion.io/job/plume-qa-automation-engineer-dpi","title":"QA Automation Engineer (DPI)","company":{"id":686540,"name":"Plume","domain":"plume.com","url":"https://alion.io/company/plume-2","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Welcome to the Jungle","truth_index":null},"role":"QA","role_family":"QA","seniority":"middle","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Hyderabad, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"DNS","optional":false},{"name":"Linux","optional":false},{"name":"Python","optional":false},{"name":"Suricata","optional":false},{"name":"TCP/IP","optional":false},{"name":"Wi-Fi","optional":false},{"name":"Wireshark","optional":false},{"name":"Zeek","optional":false}],"status":"live","first_seen_at":"2026-11-12T09:35:00Z","employer_posted_date":null,"last_verified_at":"2026-11-12T09:35:00Z","board_verified":false,"closed_at":null,"days_open":0,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":0},"description":"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 and Automation teams, you'll develop and execute comprehensive test plans, identify and document bugs, and contribute to the continuous improvement of our QA processes.\n\nResponsibilities: \nDesign and develop automated test cases for validating DPI (Deep Packet Inspection) engines and secure network traffic inspection.\nTest real-world client/router/cloud interactions for deep testing of L2-L7 network behaviour.\nValidate TLS/SSL traffic inspection and network traffic classification techniques.\nWrite tests to ensure accurate handling of malformed packets, evasive traffic, and intrusion detection patterns.\nSimulate security vulnerabilities (e. g., DNS tunnelling, spoofing, port scanning) and evaluate detection effectiveness.\nLeverage and extend DPI tools (e. g., nDPI, Suricata, Zeek) for custom validation use cases.\nPartner with firmware developers to validate and test the access control logic.\n\nRequirements: \n3+ years of experience as an SDET, Security QA Engineer, or related role in networking/security domains.\nStrong programming/scripting in Python for test automation and tooling.\nDeep understanding of TCP/IP, UDP, DNS, TLS, HTTP/HTTPS, NAT, VPNs, and tunnelling protocols.\nHands-on with packet sniffers (e. g., Wireshark) and PCAP analysis.\nSolid grasp of firewall behaviour, DPI concepts, SSL inspection, and secure communication protocols.\nStrong debugging skills: ability to spot design flaws, race conditions, and performance bottlenecks in complex architectures\nAbility to break software systems in creative and useful ways.\nFamiliarity with nDPI, Suricata or commercial DPI stacks.\nExposure to MITM techniques and threat simulation frameworks.\nPrior experience testing IoT or Wi-Fi edge devices (e. g., OpenWRT, OpenSync, embedded Linux).\nBackground in cybersecurity, network security, or traffic classification.\nExperience in testing cloud-native networking products\nBachelor's or Master's degree in Computer Science, Computer Engineering, Information Systems, or a related technical field, or equivalent practical experience.\nSkills\nDNS, DPI, Deep Packet Inspection, Firewalls, HTTP, Python, SSL, TCP/IP, TLS, UDP","description_format":"text","description_chars":2311,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Smart Home Devices","Managed Network Services","Customer Support & Help Desk Software"],"lifecycle":[{"event":"open","at":"2026-11-12T09:35:00Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring 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