Trianel GmbH | Germany | 52xxx Aachen | Permanent position | Full time / Home office | Published since: 29.05.2026 on stepstone.de
Sales Portfolio Manager: (m/f/d)
We are the leading network of urban works in Europe. We stand for independence and new ways. In the competition we offer our partners competence in production, trade and distribution. We are pooling activities and shaping energy markets. In this way, we encourage urban works to remain independent. Projektmanager (m/w/d) We are looking for you for our sales portfolio management department at the Aachen site. .
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Your tasks • Your profile • What we offer
Expert work – Operational implementation of the daily short-term forecasts for electricity and gas port films including quality control; Monitoring and safeguarding automated data workflows in energy data management (EDM) Analysis work – Analysis of complex time series structures for creating customer-specific reports (e.g. segmentation by customer types) Optimization work – Validation and optimization of customer master data by using innovative data purification methods Support work – support in the gradual detachment of old systems by transferring processes into a modern “Lakehouse” architecture; perspective cooperation in the automation of specialist processes using Python, SQL and AI-based tools Teamwork – Participation in the rolling weekend service (approximately every 4 weeks) to guarantee the 7-day supply security of customers
Education – Completed studies in BWL, energy management, (economic) mathematics, computer science or comparable qualification Expertise – Found basic understanding of the energy industry (e.g. market roles, balancing, basic electricity/gas market); safe handling of MS Office as well as the readiness to quickly incorporate into specialized EDM software; high IT affinity and openness for modern technologies; Interest in data-driven future topics such as Machine Learning and Cloud Computing (Azure / Snowflake) Personality – sense of responsibility and reliability, readiness for learning and innovation, flexibility with regard to weekend services (with corresponding leisure compensation and additional remuneration) Bonus – First contact points with Python and SQL desirable
Together – Open corporate culture with regular events Flexibility – confidence working time and mobile work Growth - Very good prospects for development in a future-oriented subsector Health – Health management, fitness studio, sports groups, JobRad, Viva FamilyService Family – Kita grant
Location
![]() | Trianel GmbH | |
| 52070 Aachen | ||
| Germany |
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