Embedded Test Lead
- Creative Synergies
- 8 - 13 years
- Bengaluru
- 15 days ago
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Job Description
Position Title: Test Lead Distributed Embedded Systems (PAGA / Network Audio)
Experience Required: 710 years
About the Role
We are looking for a Test Lead who can own both manual and automated testing across a distributed, Ethernet-connected Public Address and General Announcement (PAGA) system. The system follows a decentralized hive-queen architecture and spans hardware endpoints, embedded Linux services, middleware protocols, and web-based management interfaces all networked over Ethernet.
Key Responsibilities
Test Leadership & Strategy
- Define and own the overall test strategy for a distributed, multi-node PAGA architecture covering hardware, firmware, middleware, and application layers.
- Author test plans, test cases, traceability matrices (requirement test), execution reports, and test summary reports for each release.
- Lead defect triage and drive closure across hardware, software, and network domains.
- Support release validation and generate quality/test status reports for stakeholders.
System & Integration Testing
- Design and execute end-to-end system tests covering the full hive-queen topology including queen node failover, hive node discovery, and distributed announcement coordination.
- Perform integration testing across frontend, backend web services, embedded C++ services (Linux), and hardware peripherals.
- Test inter-node communication, network partitioning scenarios, and recovery behaviors under fault conditions.
- Validate hardware-side components: amplifiers, buttons, LEDs, USB interfaces, network switches, and watchdog behavior.
Middleware & Protocol Testing
- Test and validate middleware stack including: DHCP, MQTT broker/client (publish-subscribe flows, QoS levels, retained messages), DNS, mDNS (service discovery across nodes), and SIP call + RTP audio path.
- Verify Fluent Bit log pipeline configuration, log forwarding, and log integrity under load.
- Validate network-level behaviors using Wireshark, tcpdump, and MQTT clients (e.g., MQTTX, mosquitto_sub).
Embedded & Device Testing
- Test embedded Linux services written in C++ including startup sequences, IPC, service restart policies, and resource limits.
- Validate device lifecycle features: software update (OTA), Secure Boot chain of trust, and rollback behavior.
- Use Linux CLI tools for log analysis, process inspection (systemctl, journalctl, dmesg), and low-level debugging.
- Test Yocto-based system images verify package integrity, service configuration, and boot behavior across node types.
Automation
- Build, maintain, and extend Robot Framework test suites covering distributed system scenarios (multi-node, networked, hardware-in-the-loop where applicable).
- Write Python scripts for test tooling: protocol simulators (MQTT, SIP/RTP), device state validators, log parsers, and automated regression flows.
- Integrate test suites into CI/CD pipelines (GitLab CI/CD preferred) for automated regression on each build.
- Maintain test environments that reflect real distributed deployments (multi-node Ethernet lab topologies).
Required Skills & Experience
- 710 years of testing experience, with a strong focus on embedded Linux systems and networked/distributed architectures.
- Hands-on experience testing systems with MQTT (broker + client), SIP/RTP, DNS/mDNS, DHCP, and general TCP/IP networking over Ethernet.
- Proficiency with network analysis tools: Wireshark, tcpdump, MQTT clients, log analysis pipelines.
- Experience testing hardware peripherals: buttons, LEDs, USB, amplifiers, network switches, watchdog timers.
- Solid Linux command-line skills: log inspection, service management, process debugging.
- Automation experience with Robot Framework and Python scripting.
- Hands-on use of Jira or equivalent for defect tracking and test traceability.
- Good communication skills; ability to coordinate across hardware, firmware, and software teams.
Preferred Skills
- Experience testing OTA update pipelines and Secure Boot (chain of trust, rollback validation).
- Familiarity with Yocto/embedded Linux image builds and system-level validation.
- Experience with REST API testing (Postman, pytest, or similar).
- Knowledge of SIP call flows and RTP stream validation (jitter, packet loss, audio quality proxies).
- Experience with CI/CD integration GitLab CI/CD or Jenkins for automated test execution.
- Exposure to fluentd/Fluent Bit log pipeline testing.
- Understanding of decentralized/distributed system testing patterns: split-brain scenarios, node failover, quorum behaviour, eventual consistency.
- Familiarity with audio system testing end-to-end announcement flow, zone routing, gain/attenuation validation.
Core Title Keywords
- Embedded Test Lead
- Embedded QA Lead
- IoT Test Lead
- Embedded Automation Lead
- Networked Embedded Systems Test Engineer
Technical Keywords to Add
- MQTT + Robot Framework
- Embedded Linux + Test Automation
- OTA testing + Secure Boot
- SIP RTP testing embedded
- Distributed embedded systems testing
- DHCP DNS mDNS testing
- Embedded C++ Linux testing
- HIL testing + Python automation
- Yocto Linux testing
- Network audio testing
Domain Keywords
- PAGA system testing
- Public address system QA
- Industrial IoT testing
- IIoT embedded validation
- Edge device testing
Tool/Stack Keywords
- Robot Framework + Python + Jenkins
- GitLab CI/CD embedded
- Wireshark tcpdump embedded testing
- Fluent Bit logging validation
- MQTT broker testing
Job Classification
Industry: IT Services & ConsultingFunctional Area / Department: Engineering - Software & QARole Category: Quality Assurance and TestingRole: Automation Test EngineerEmployement Type: Full timeContact Details:
Company: Creative SynergiesLocation(s): Bengaluru
Keyskills: Tcp Ip Protocol embedded Linux systems Linux Networking protocal Python Mqtt Embedded C++ TCP Wireshark DNS/mDNS OTA testing tcpdump Linux services Secure boot Protocal testing SIP/RTP DHCP IoT Test Lead TL Automation embedded testing Robot Framework
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