Roberth Hamrén Email & Phone Number

Östersund, Se

Östersund, Jämtland, Sverige

Östersund, Jämtland, Sverige

Östersund, Sverige

Östersund, Jämtlands Län, Sverige

Responsible for overarching architectural principles, standards, and technical guidelines for Avance Metering’s product portfolio within the energy market.In this role, I led efforts to ensure a unified technical strategy and implementation across the entire product portfolio.I also served as the team lead for system architects responsible for the individual products, focusing on coordinating architectural solutions and ensuring they adhered to established principles and guidelines.Team leader for the system architects that are working with the individual products in the portfolio.

Östersund

Responsible for system architecture and technical function choices for a platform that collects and processes data from smart meters for electricity, district heating, water, and gas.The platform supports a variety of meters, terminals, and data concentrators from multiple manufacturers, using different communication technologies including RS-485, M-Bus, DLMS/COSEM, RF Mesh, PLC, and NB-IoT. The system is used in several large-scale projects across the Nordic and international AMR markets.As system architect, I was responsible for requirements analysis, developing solution concepts and technical guidelines, managing change requests from customer projects, providing technical support in sales activities, and conducting strategic product planning. I also held the role of Security Champion within the Metering business unit, where I coordinated information security activities and GDPR-related processes in collaboration with Powel's central security team.All platform development was conducted according to Scrum methodology, working closely with product owners, Scrum Masters, and development teams. The platform was developed using technologies such as C#/.NET, C++, Oracle PL/SQL, and Elastic Stack for log management, tailored to the system's functional and technical requirements.

Responsible for research and development programs in electromobility, energy, and information management, with a focus on developing new products and services for Vattenfall’s B2B and B2C segments.Tasks included strategic planning, budgeting, project management, system development, integration, testing, and the creation of concepts and prototypes.Example projects:Smart Charging PlatformProject manager and responsible for the design and development of a platform to balance power loads and energy consumption through active electric vehicle charging control. The platform used ZigBee for wireless communication and was developed as a multithreaded service in C#/.NET/Mono on Linux (Debian).One Tonne Life (https://en.wikipedia.org/wiki/One_Tonne_Life)Responsible for the design and implementation of a monitoring and data collection system for an energy-efficient concept house, including an EV charging box, to track electricity, water, and heating consumption, as well as local solar energy production. Developed in C#/.NET with SQL Server and M-Bus communication.Smart Metering and Metering ServicesInvestigation and specification of functional and technical requirements for new services based on data from smart meters and other metering equipment.Electrical Safety Requirements for EV Charging StationsDevelopment of installation guidelines and safety measures for electric vehicle charging stations, in collaboration with leading car manufacturers, based on electrical safety regulations and standards.IEC 61850 Implementation SupportDevelopment of requirements, user guides, and manuals for implementing the IEC 61850 protocol for substation automation.Vattenfall Business MapDevelopment of a model and framework for mapping IT systems to Vattenfall’s business processes.Vattenfall GACTechnical IT representative and expert within the Vattenfall Group IT Architecture Council.

Product owner and responsible for the technical development of a component-based system for collecting and analyzing data from disturbance and fault recording equipment on the power grid. The system is used by leading energy companies and organizations in the Nordic electricity market.As product owner, I was responsible for all development activities, customer projects, sales activities, user training, and maintaining relationships with customers and suppliers. The system was primarily developed in C++ and PL/SQL with Oracle as the database platform, and the system architecture was based on Microsoft COM. A significant part of the work involved developing hardware-level communication protocol stacks for equipment following standards such as IEC 60870, IEC 61850, and Modbus.

System and product development for fund and securities trading.The work focused on development using C++, Visual Basic, and Microsoft SQL Server as the database platform.

System development within energy, telecommunications, and process control, including the implementation of the business support system Jeeves.The development was primarily carried out in C++, Visual Basic, and SQL (Microsoft T-SQL, Oracle PL/SQL).

B.Sc., Informatics

M.Sc., Business Administration