The posting
What we do at Blykalla Blykalla is a Swedish deep-tech company at the forefront of the nuclear industry, pioneering the development of small modular reactors that provide clean, safe, and reliable energy. Thanks to lead-cooling, we achieve high safety in a very compact format, allowing for a simple and cost-effective design that can be mass-produced. Our unique reactor design will provide safe and green baseload energy that perfectly complements solar and wind power.
What you’ll get to do We are seeking a Senior Control Systems Engineer with deep expertise in ABB 800xA DCS to lead the development of Blykalla's plant control system architecture and implementation strategy. This is a unique opportunity to help define the control philosophy of a first-of-a-kind advanced nuclear reactor. You will play a key role in ensuring that Blykalla develops and retains ownership of critical control system intellectual property while working closely with ABB and other suppliers.
Key Responsibilities DCS Architecture & Ownership Lead the design and development of Blykalla's plant-wide automation and control system architecture. Define the ABB 800xA system architecture for reactor, balance-of-plant, auxiliary, and test facility applications. Develop internal engineering standards, libraries, templates, and control strategies to maximize in-house ownership of intellectual property. Establish long-term governance for control system design, lifecycle management, cybersecurity, and configuration control.
Control System Engineering Develop functional specifications, control narratives, cause-and-effect matrices, and automation philosophies. Design and implement control logic, sequences, interlocks, alarms, and operator interfaces. Configure ABB 800xA applications, controllers, engineering environments, and HMI systems. Define communication architectures including OPC UA, IEC 61850, Modbus, Profibus/Profinet, Ethernet/IP, and other industrial protocols. Develop and maintain simulation and testing environments for control system validation.
Nuclear Plant Integration Support the integration of reactor systems, safety systems, and balance-of-plant equipment into the overall control architecture. Work closely with reactor, thermal-hydraulic, electrical, mechanical, and safety engineers to define system requirements. Contribute to licensing and regulatory documentation related to instrumentation and control systems. Support development of digital I&C architectures aligned with nuclear industry expectations and international standards.
Vendor & Stakeholder Management Act as the primary technical interface with ABB regarding 800xA architecture, licensing, engineering tools, and implementation support. Ensure that Blykalla retains ownership of application software, engineering databases, configuration standards, and control strategies. Manage external engineering partners and system integrators where required. Participate in factory acceptance tests (FAT), site acceptance tests (SAT), commissioning, and startup activities.
Verification & Validation Develop testing methodologies for control logic verification and system validation. Lead integration testing and commissioning activities. Support development of digital twins and operator training simulators. Ensure traceability from requirements through implementation and testing.
Who you’ll get to work with The Senior Control Systems Engineer sits in the Plant engineering Team within Blykalla. We are a diverse team that is passionate about our work and Blykalla. Who you are You will be part of a highly skilled team with a can-do attitude. We value personnel chemistry and strive to create a workplace where you enjoy coming to. There are however a few things that we think will help in order for you to succeed in this role, these are: MSc or BSc in Control Engineering, Electrical Engineering, Automation Engineering, Nuclear Engineering, or related discipline. Minimum 10 years of experience in industrial automation and control systems engineering. Extensive hands-on experience with ABB 800xA DCS engineering, configuration, commissioning, and lifecycle management. Proven experience designing and implementing large-scale DCS architectures. Experience developing control strategies for complex industrial facilities. Strong understanding of industrial networks, field instrumentation, and process control. Fluent in English, spoken and written Fluency in Swedish is a plus
Technical Skills Expert-level knowledge of ABB 800xA: AC 800M controllers Control Builder Aspect Objects System 800xA Engineering Operator Workplace Alarm Management Batch and Advanced Process Control (desirable) Strong understanding of: ISA-88 ISA-95 IEC 61511 IEC 61508 Industrial cybersecurity principles Configuration management and software lifecycle practices Experience with simulation and testing environments.
Location This position is for our office in Stockholm.
Reference & Background Checks As part of our recruitment process, we conduct background checks on all candidates. We may also conduct reference checks to gain a well-rounded understanding of your professional experience, performance, and ways of working. This includes both references provided by you and, where relevant, conversations with other professional contacts who have worked closely with you. We strive to be transparent about our reference-checking process and handle all personal data in accordance with applicable data protection regulations. Any additional references will be sought with professional judgment and only when considered relevant to the role. We offer competitive compensation aligned with our internal salary framework and growth potential in the role. We do not accept applications via email. We are not open to external help from recruitment agencies.
Note on AI Use: Blykalla may use AI technology to assist with certain administrative aspects of the hiring process, such as note-taking, interview documentation, and reporting. However, every resume and application is reviewed directly by our recruiting team. AI tools are used solely for operational support and do not influence candidate evaluation or hiring decisions. Öppen för alla Vi fokuserar på din kompetens, inte dina övriga förutsättningar. Vi är öppna för att anpassa rollen eller arbetsplatsen efter dina behov.
