assertiveness compliance documentation project management efficiency analytical skills resource management process optimization digitalization empathy further training cost management quality management continuous improvement vacation agile risk management entrepreneurial thinking prioritization risk assessment flexible working hours change management proactive development opportunities resource allocation process management professional experience stakeholder management team spirit data protection home office decision making lean management cross-functional projects business process analysis lean six sigma functional requirements good english process automation green belt independence fluent german flexitime motivated team collegial team personal responsibility executive management project implementation department management operational security modern work environment goal achievement project progress project management methods economic efficiency growing company conceptual skills pragmatic approach cross-departmental collaboration sparring partner specialist departments internal trainings project steering project completion decision facilitation control mechanisms lively environment project conception workshop moderation working time model structured problem solving process landscape lean six sigma black belt benefit analysis measures tracking effort analysis requirement structuring process manual process management methods standards implementation yellow belt project managers coaching interest alignment interconnectedness recognition improvement potential assessment goal pursuit audience-specific communication complex topic explanation viewpoint structuring introductory phase