Lead Test Engineer for Embedded Systems (m/f)

In our Zagreb hub Iskraemeco Holosys we are looking for a dedicated professional to help us ensure the highest quality in our products .

What are the tasks:

• Independently plan, prepare, and execute testing activities for embedded IoT devices, communication modules, gateways, and related software solutions throughout the product development lifecycle.
• Develop, execute, maintain, and automate test cases and test environments, including analysis of test results and quality reporting.
• Verify firmware functionality, communication reliability, performance, and interoperability of connected devices.
• Analyse, diagnose, and reproduce FW/HW defects and collaborate with development teams to resolve issues.
• Validate wireless and wired communication technologies (NB-IoT, LTE-M, M-Bus, Ethernet, RS-485, etc.).
• Manage testing activities, including test plans, test scenarios, test cases, and defect lifecycle tracking in Azure DevOps.
• Define and drive test strategies across multiple products and projects.
• Lead testing activities across cross-functional development teams.
• Guide and coach engineers in testing methodologies, automation practices, and quality standards.
• Support planning, estimation, and prioritization of testing activities.
• Identify quality risks early and drive preventive and corrective actions.
• Promote a quality-first mindset and continuous improvement culture across development teams.
• Participate in self-organized, agile, cross-functional teams.
• Collaborate closely with engineering teams to improve product quality and reliability.
• Prepare test setups, prototypes, and samples for internal and external laboratory testing.
• Continuously improve testing methodologies, automation frameworks, tools, and processes.
• Share knowledge and mentor less experienced colleagues.
• Ensure compliance with internal standards, quality requirements, and best engineering practices.

We are looking for the following competencies:

• Bachelor's degree (or equivalent, Level VI/2) in Electrical Engineering, Computer Engineering, Computer Science, Telecommunications, or a related technical field.
• 5+ years of experience in embedded systems testing, verification, or development.
• Proficiency in English (spoken and written).
• Programming knowledge in C# and/or C and/or Python.
• Understanding of embedded systems, microcontrollers, and hardware-software interactions.
• High level of independence in task execution and decision-making.
• Systematic and structured approach to testing and quality assurance.
• Ability to work in a cross-functional team.
• Experience working in Agile development environments.

Preferred Skills and Experience:

• Embedded IoT devices and connected systems.
• Firmware and/or hardware test automation.
• FW/HW defect analysis using diagnostic, protocol, and debugging tools.
• Wireless communication technologies (LTE-M, NB-IoT, wM-Bus, LoRaWAN etc.).
• Wired communication technologies (Ethernet, RS-485, M-Bus etc.).
• Network and protocol analysis tools (e.g. Wireshark, protocol analysers).

1. Git/TFVC tools for managing test-related source code in embedded systems.

Reasons to join us:

• Permanent employment contract with a 6-month probation period.
• Additional benefits: meal allowance and commuting reimbursement.
• Vacation and Christmas bonus.
• Work and collaboration in a high-tech professional environment with in-house development.
• Opportunities for professional and personal development: including training in technical skills, soft skills, and general competencies to enhance work performance.
• Opportunity to work in an international environment, as Iskraemeco is a large global company where you'll collaborate with colleagues from various locations.
• A professional onboarding seminar that will introduce you to the organization and the company’s portfolio within the first month.
• We organize various informal gatherings, including team-building events.

Location: Zagreb

Let's innovate together. Apply today with your CV.