Senior Customer Success Account Manager

Why Billennium?  

We’re not just another consulting and outsourcing company - We are passionate about pushing boundaries, creating innovative IT solutions that bring joy and benefits to our customers and ourselves. 

At Billennium, we turn bold ideas, engineering excellence, and AI into solutions that create real business impact. As a global technology company, we bring together ambitious experts who thrive on innovation, collaboration, and continuous growth. Join us to build future-ready digital solutions in a place where your work matters, and your ideas help shape what’s next. 

Our values - captured by the acronym TIGER - define who we are and how we work: Trust, Innovation, Growth, Energy, and Responsibility guide us in everything we do. 

Poland / Spain / Germany

Senior     

English

Billennium is strengthening a long‑term partnership with a global pharma organization and expanding its Account Management team. The role focuses on driving account growth, customer satisfaction, and measurable business outcomes by aligning client needs with Billennium’s IT and custom software offerings. This position suits commercially minded professionals with consultative sales experience, strong stakeholder management skills, and a proven track record in account expansion, renewals, and value delivery. The role acts as a trusted advisor, identifying opportunities for growth, expansion, and long‑term partnership across pharma, diagnostics, and R&D.

• Own customer relationships and act as the main point of contact
• Ensure delivery alignment with customer expectations
• Manage stakeholders, escalations, and overall account health
• Identify renewals, upsell, and expansion opportunities
• Collect customer feedback and influence internal priorities
• Track KPIs, report outcomes, and demonstrate business value
• Prepare and lead quarterly business reviews
• Collaborate closely with account, delivery, and solution teams

• 5+ years in account management, customer success, or consulting (IT / life sciences)
• Experience with enterprise pharma clients and account growth
• Strong understanding of delivery lifecycles and competing priorities
• Experience leading QBRs and executive-level discussions
• Excellent communication, negotiation, and problem‑solving skills
• Proven ability to manage large accounts and drive sustainable growth

• Professional development – continuous learning opportunities and internal mobility.
• Comprehensive benefits – enjoy Udemy for Business and Worksmile platform.
• Flexibility – adaptable working hours and remote/hybrid work options.
• Global collaboration – work with diverse international teams across continents.
• Innovative environment – be part of a forward-thinking, growth-oriented workplace

Sounds interesting? Click "Apply" and have chance to hear more!