Ingénieur Senior Customer Success (H/F)

Job Description

As a Senior Customer Success Executive, you will manage a portfolio of accounts, driving revenue growth through relationship management, account intelligence, and business development. Your primary focus is to protect existing revenue, expand account value through upselling and cross-selling, and delivering exceptional customer experiences. This role is perfect for someone who excels at strategic account planning, revenue optimization, and data-driven decision-making in a fast-paced solar engineering environment.

What you can expect as a Senior Customer Success Executive at Illumine-i

• You'll own and manage strategic client accounts, ensuring revenue protection, growth, and timely payment realization.
• You'll drive upselling and cross-selling initiatives by identifying expansion opportunities within existing accounts and developing compelling business cases.
• You'll develop and maintain deep account intelligence through regular client engagement, understanding business needs, pain points, and growth opportunities.
• You'll coordinate with internal teams (Design, Engineering, Sales & PMO) to ensure timely project delivery and quality, and proactive issue resolution to drive client satisfaction.
• You'll utilize CRM and Project Management tools to track account health, project progress, revenue pipeline, and optimize client engagement strategies.
• You'll analyze account data using AI-powered tools to identify trends, predict churn risks, and uncover revenue expansion opportunities.
• You'll create client reports using Microsoft Excel, PowerPoint, and AI tools to present account performance, insights, and strategic recommendations.
• You'll manage payment collection and revenue realization, ensuring timely invoice collection and resolving payment delays proactively.
• You'll conduct strategic account planning sessions, including quarterly business reviews (QBRs) to align on goals, demonstrate value, and identify growth pathways.

Essential Qualifications Include

• Degree in Engineering and/or Management.
• 2-5 years of experience in account management, customer success, or client engagement within Power engineering, or other engineering sector.
• Proven track record of driving revenue growth through upselling, cross-selling, and account expansion strategies.
• Commercial acumen with understanding of revenue models, pricing strategies, and payment management.
• Strong business communication and strategic relationship management skills with ability to engage executives and decision-makers.
• Proficiency in CRM tools, Microsoft Excel, PowerPoint, and AI-powered analytics tools or data analysis and insights generation.