With an MSc in Energy Transitions and Sustainability and a BSc in Industrial Physics, you have a strong educational background for pursuing a career in the energy and sustainability sector. Here are some potential career pathways you could consider:

1. Energy Consultant: As an energy consultant, you would provide expert advice on energy efficiency, renewable energy technologies, and sustainability practices to businesses, organizations, or governments. You could work on analyzing energy consumption patterns, developing strategies for energy optimization, and recommending sustainable solutions.
2. Renewable Energy Project Manager: In this role, you would oversee the planning, implementation, and management of renewable energy projects. You would be responsible for coordinating teams, ensuring projects are completed on time and within budget, and navigating regulatory and environmental requirements. This role requires a blend of technical knowledge, project management skills, and sustainability expertise.
3. Sustainable Energy Policy Analyst: Working in this field involves analyzing energy policies, conducting research, and providing recommendations to government bodies or non-governmental organizations. You would assess the impact of existing policies, identify areas for improvement, and propose strategies for promoting renewable energy and sustainability within the policy framework.
4. Energy Systems Engineer: As an energy systems engineer, you would design and optimize energy systems, including integrating renewable energy sources into existing grids or developing microgrid solutions. You would analyze energy demand, evaluate energy storage options, and propose energy management strategies to increase efficiency and reduce carbon emissions.
5. Sustainability Manager: In this role, you would develop and implement sustainability initiatives within an organization. You would be responsible for assessing environmental impacts, setting sustainability goals, creating action plans, and monitoring progress. Your background in energy transitions and sustainability would be valuable for identifying opportunities to reduce carbon footprint and improve resource efficiency.
6. Research Scientist: With your academic background, you could pursue a career in research and development focused on energy transitions and sustainable technologies. You could work in academia, government research institutions, or private companies to contribute to the advancement of renewable energy, energy storage, or other sustainable technologies.

These are just a few examples of potential career pathways. The energy and sustainability sector is evolving rapidly, and there are various emerging fields and opportunities to explore. Consider your specific interests, skills, and values when choosing a career path within this industry. Additionally, networking, participating in industry conferences, and staying updated with the latest trends and technologies will help you identify new opportunities and advance your career in this field.