Senior System Engineer - Heavy Vehicle Area

We are looking for a Senior System Engineer to join our Heavy Vehicle Area in Linköping. You will work alongside highly skilled colleagues who share a commitment to quality, innovation and reliability. We are currently developing a brand-new custom telematics control unit (TCU) for a major truck OEM, and you will play a key role in shaping the complete system. Your role As a Senior System Engineer at ACTIA Nordic, you will take a leading technical role in defining and developing system architecture. Together with our customers and internal development teams, you will turn requirements into feasible, robust solutions that meet customer needs, internal requirements and applicable legislation. You will take ownership of the system as a whole, understand how its parts interact and guide technical decisions throughout development. This calls for someone who takes initiative, identifies what needs to be done and helps the team move forward. Your responsibilities will include: Defining and developing the overall system architecture together with customers and internal teams. Analysing, clarifying and aligning customer, system and regulatory requirements. Leading technical discussions and guiding the team through architectural decisions and trade-offs. Proactively identifying risks, dependencies and opportunities for improvement. Working closely with colleagues across disciplines and contributing wherever your expertise is needed. At ACTIA Nordic, you can work across the entire development chain, from concept and architecture to design, development and testing. With our own factory on-site, you can also follow your product into production and see it take physical form. We are looking for an experienced system engineer who combines technical depth with a collaborative mindset. You are comfortable taking the lead, bringing clarity to complex challenges and turning discussions into action. We believe you have: At least five years of relevant experience in systems engineering. A relevant degree in engineering. Experience defining system architecture and taking responsibility for the complete system. Familiarity with several of the following technologies and areas: 5G, LTE, Bluetooth, Wi-Fi, CAN, UDS, DoIP, functional safety, embedded systems and cybersecurity. Strong analytical and problem-solving skills, together with a willingness to learn. The ability to communicate technical topics clearly and build constructive relationships with colleagues and customers. You take a proactive approach and are comfortable driving technical work forward, helping others find direction and following through on decisions. You value teamwork, share your knowledge and are willing to roll up your sleeves and help where needed. The following experience is an advantage: Working in the automotive industry. Linux and software development. Hands-on programming and a willingness to support implementation when needed.