Welcome! Our Growth is Creating Great Opportunities! Our team is expanding, and we want to hire the most talented people we can. Continued success depends on it! Once you've had a chance to explore our current open positions, apply to the ones you feel suit you best and keep track of both your progress in the selection process, and new postings that might interest you! Thanks for your interest in working on our team! We are looking for a motivated and experienced Hardware Engineer to join our Hardware Engineering team in Espoo, Finland, and help develop the next generation of synchronization and timing solutions used by communication networks around the world. As a Hardware Engineer, you will be involved in the complete product development lifecycle, from architecture and schematic design through validation, integration, and production support. You will work closely with FPGA, software, system, and manufacturing teams in a highly collaborative international environment. If you enjoy solving complex technical challenges, working with cutting-edge technologies, and seeing your designs become successful products, we'd love to hear from you. Principle duties and responsibilities Design hardware modules, subsystems and systems for synchronization products Develop schematics and guide PCB layout (high-speed, mixed-signal, power) Select and evaluate components (ICs, power devices, oscillators, interfaces) Design high-speed interfaces (e.g., 10G/25G Ethernet) with signal integrity considerations Contribute to hardware design specifications (HDS) and documentation Support system-level integration (HW, FPGA, SW) Define and execute validation and integration test plans Debug complex board and system-level issues (mixed-signal, high-speed) Perform lab bring-up, measurements, and performance characterization Support product transfer to manufacturing (NPI) Collaborate with manufacturing and test teams for production readiness Investigate and resolve issues during production and field operation Ensure product reliability, quality, and compliance with applicable standards Functional Collaboration Work closely with FPGA, software, system, SIT/SVT and mechanical teams Participate in design reviews and technical discussions Interface with suppliers and external partners as required Evaluate and introduce new technologies and components Drive improvements in performance, power efficiency, and cost Contribute to system architecture discussions and design trade-offs Requirements: B.Sc. in Electrical Engineering 5+ years of hands-on hardware design experience. Experience with: Schematic design and PCB layout guidance High-speed digital and mixed-signal design Power design (DC/DC, PoE or similar) Experience in debugging hardware at board and system level Familiarity with lab equipment (oscilloscope, spectrum analyzer, etc.) Strong analytical and problem-solving skills. Please note that, due to security requirements, this position is open only to candidates holding EU citizenship. Success Criteria: Strong ownership and accountability Ability to work independently and in a multidisciplinary team Good communication skills (written and verbal) Detail-oriented with a strong focus on quality Adtran is a leading global provider of fiber-based networking solutions and SaaS applications, focused on the broadband access market. Our comprehensive portfolio spans from the metro core to the customer premises, enabling network providers to deliver Gigabit broadband to every home and business. Our vision is to enable a fully connected world where the power to communicate is available to everyone, everywhere. At Adtran, we believe in our people. With a diverse and inclusive team spread across the globe, our culture embraces creativity and seeks innovation and quality in everything we do. Built on a foundation of communication, trust, collaboration, and an entrepreneurial spirit enables us to be a global technology leader and a strong customer advocate. Adtran began operations in January 1986. Headquartered in Huntsville, Alabama, Adtran is located in Cummings Research Park - the second-largest research park in the U.S. and fourth-largest in the world. Our mailing address is 901 Explorer Boulevard, Huntsville, Alabama, 35806. Adtran, Inc. is a wholly-owned subsidiary of Adtran Holdings, Inc. (NASDAQ:ADTN and FSE: QH9). Find out more at adtran.com, or follow our story on LinkedIn and Twitter.

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