Senior QA Engineer – Embedded Firmware & Web Testing

About the Company

ThreatXIntel is a fast-growing Cybersecurity, IT Staffing, and Consulting company delivering end-to-end technology and security solutions. Our expertise spans cloud security, web & mobile application security testing, DevSecOps, vulnerability assessments, IT consulting, and professional staffing services.

We support global corporate clients by deploying skilled professionals across IT and finance domains, helping organizations strengthen compliance, optimize operations, and scale efficiently.

Senior QA Engineer – Embedded Firmware & Web Testing

📍 Location: Chennai, Tamil Nadu (Onsite)

💼 Employment Type: Full-Time

🏢 Work Mode: Onsite (Work From Office)

📅 Experience Required: 5+ Years

⏳ Notice Period: Immediate to 30 Days Preferred

About the Role

We are looking for a highly skilled Senior QA Engineer with strong experience in Embedded Firmware Testing and Web Application Testing . The ideal candidate will have hands-on expertise in validating embedded systems, firmware communication protocols, hardware-in-the-loop (HIL) testing, API testing, and Agile QA practices. This role offers an exciting opportunity to work on cutting-edge Access Control and Security Hardware products while collaborating with firmware, software, and product engineering teams.

Key Responsibilities

Embedded & Firmware Testing

• Design, develop, and execute functional, integration, regression, system, and negative test cases for embedded firmware.
• Perform Hardware-in-the-Loop (HIL) testing using physical devices, test benches, and hardware simulators.
• Validate firmware communication protocols including TCP/IP, Wiegand, OSDP, and RS-485.
• Test firmware upgrade, downgrade, OTA update, rollback, and recovery scenarios.
• Validate firmware behavior under edge cases including power failures, network interruptions, credential timeouts, and tamper detection.
• Review firmware specifications, release notes, and technical documentation to identify test gaps.

Web Application Testing

• Perform functional, regression, usability, and cross-browser testing for web applications.
• Execute REST API testing using Postman or similar tools.
• Validate authentication, session management, access control, and input validation.
• Identify UI/UX defects and verify compliance with business requirements.

QA & Test Management

• Create and maintain test cases using Zephyr Scale.
• Log and track defects using Jira.
• Maintain QA documentation in Confluence.
• Prepare test plans, execution reports, and release readiness summaries.
• Participate in Agile ceremonies, sprint planning, peer reviews, and QA sign-offs.
• Collaborate with Firmware, Software Development, SRE, and Product teams to deliver high-quality releases.

Required Skills

Mandatory

• 5+ years of QA Engineering experience.
• Embedded/Firmware Testing.
• Hardware-in-the-Loop (HIL) Testing.
• Embedded Systems Testing.
• Functional, Integration, Regression & System Testing.
• Jira.
• Zephyr Scale.
• Confluence.
• TCP/IP Networking.
• Test Documentation.
• Hardware Bench Testing.

Highly Desirable

• Linux CLI.
• Linux Embedded Systems.
• REST API Testing.
• Postman.
• Web Application Testing.
• Security Testing.
• Shell Scripting.
• Basic Test Automation.

Added Advantage

• Python Scripting.
• PACS (Physical Access Control Systems).
• Access Control Products.
• Security Hardware Testing.

Qualifications

• Bachelor's Degree in Electronics, Electrical, Computer Science, Instrumentation, or a related Engineering discipline.
• Strong analytical and debugging skills.
• Excellent written and verbal communication skills.

Why Join Us?

• Work on next-generation embedded security and access control products.
• Exposure to embedded firmware, networking protocols, and enterprise web applications.
• Collaborative Agile engineering environment.
• Long-term career growth and technical learning opportunities.