(Senior) Category Manager IT & Software (m/f/d)

1KOMMA5° At 1KOMMA5° , we pursue a clear vision: Living on wind and sunlight forever for free . To make this a reality, we are building the energy system of the future with Heartbeat AI. Want to be part of it? We bring together regional craftsmanship and scalable software: We don't think of solar, batteries, heat pumps, and e-mobility as isolated components, but control them as an intelligent, integrated overall system in our virtual power plant. Directly connected to the electricity market – in real time, fully automated. This way, energy is used when it is available from renewables and particularly cost-effective. By 2030, our goal is to transition 1.5 million households to renewable energies. Over 3,000 people are working towards this every day, at more than 80 locations worldwide, from Finland to Australia. Want to take responsibility and build solutions that truly matter? Apply now and help us shape the energy world of tomorrow . Your mission As a (Senior) Category Manager IT & Software , you own the strategic procurement of 1KOMMA5°'s entire IT landscape — from SaaS and licences to hardware and IT services. You do not think in individual orders; you think in volume. You consolidate, bundle, and negotiate so that every euro counts. You go beyond the traditional procurement role — actively challenging the existing software and hardware landscape, identifying redundancies, and driving consolidation initiatives. At the same time, you guide new requirements through a structured process from market screening to contract award. You work closely with business units across the company — as a strategic partner, but also as a critical sparring partner who questions needs and presents alternatives. Your Responsibilities: Strategic Procurement & Category Ownership End-to-end responsibility for the SaaS, licences, hardware, and IT services categories Development and execution of a clear category strategy focused on volume consolidation, cost reduction, and sustainable suppl