Quality Assurance Engineer | Telematics

Teltonika · Vilnius · €2,500–€3,500/month (stated in the posting)

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We are looking for a QA Engineer (MID) to join our Quality Assurance team in Vilnius, focusing on Firmware/Hardware testing and test automation. In this role, you will be responsible for validating embedded firmware, verifying hardware functionality, and ensuring that our devices meet the highest standards of reliability, performance, and compliance. 

Teltonika’s telematics business unit develops and produces easy-to-use GPS tracking devices for effective fleet management across logistics, agriculture, car sharing, construction, and more. We use the latest technologies to set new standards for the telematics industry. 

In this role, you will: 

• Plan, design, and execute test cases for firmware, hardware, and software validation. 

• Perform regression, functional, exploratory, and stress testing of embedded devices with and without technical documentation. 

• Test and validate communication interfaces such as UART, CAN, I²C, SPI, RS232/RS485, 1-Wire, BLE, LTE, GNSS. 

• Validate power management, sensor functionality, and I/O performance on hardware boards. 

• Use lab equipment (oscilloscope, multimeter, logic analyzer, power analyzer) for debugging. 

• Recreate real-world operating scenarios in a controlled environment using GNSS, thermal, humidity, vibration, and network simulation equipment. 

• Perform field tests to verify that the device operates as expected in real-world scenarios (GNSS quality, track accuracy in different environments, forested roads, city, highway). 

• Collaborate closely with development teams (HW/FW/SW) to reproduce, analyze, and verify issues. 

• Track defects and provide detailed reports using Jira. 

• Improve our testing methodologies and contribute to maintaining test documentation in systems such as Zephyr. 

• Develop and implement automated tests for firmware and applications to ensure continuous quality and efficiency. 

What we expect of you: 

• 2+ years of experience in QA testing for embedded systems, hardware, firmware or software. 

• Strong understanding of QA methodologies, test planning, and defect tracking. 

• Hands-on experience with test tools and lab equipment (oscilloscope, multimeter, power supply). 

• Good knowledge of embedded communication interfaces/ protocols (UART, SPI, I²C, BLE, LTE). 

• Ability to analyze logs and troubleshoot firmware/hardware integration issues. 

• Familiarity with Agile/Scrum development processes. 

• Experience with test case management tools (TestRail, Zephyr Scale, XRay). 

• Experience in test automation development and execution. 

• Strong problem-solving skills and attention to detail. 

• Experience in writing clear, structured, and comprehensive test plans and test cases. 

• Proficiency in English (spoken and written). 

Ideally, you also have: 

• Knowledge of telecommunication protocols and technologies such as 2G/LTE/GNSS, RS232/485, and CAN-based vehicle interfaces/ protocols (e.g., FMS, Tacho) 

• Programming knowledge and understanding of electronics. 

• Driving license (Category B). 

• Good organizational skills, with the ability to manage multiple test executions and deliverables simultaneously. 

• Any other relevant experience that you think makes you a great fit!  

What we offer: 

• Great opportunities to grow in a strong and rapidly expanding company.
• Interesting and ambitious projects of industrial GPS tracking devices.
• Place where curiosity is key: here, we share knowledge and learn in training courses, conferences or business trips.
• Dynamic, challenging work environment and cooperation-based internal culture.
• Care about your emotional and physical well-being by offering flexible work schedules, hybrid work opportunities and health insurance.
• Company-paid sports activities (basketball, football, volleyball, yoga) and other sports events.
• Celebrating achievements and having fun together in team building, summer festivals, and other important occasions.
• Opportunity for solid bonuses when participating in the recommendation program.
• We delight with birthday and Christmas gifts and rewards on work anniversaries. 
• Office snacks.

Salary 

We appreciate everyone's efforts and experiences, so we offer an attractive salary matching your skillset and field expertise. The salary for this position ranges from 15 Eur/h up to 21 Eur/h (~2500 Eur—3500 Eur) pre-tax, depending on your experience and expertise, with the option to get bonuses.

*In an employment agreement, we specify and define a fixed (tariff) hourly salary rate before taxes.

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