Job Description

Build Something New. Shape Market Growth.

OneSource is seeking an experienced business development leader to spearhead new client acquisition across France, Belgium, and French-speaking Switzerland.

This is a high-impact individual contributor role for a proven sales professional who thrives on opening doors, creating opportunities, and winning new business. You will be responsible for developing a pipeline from the ground up, building relationships with senior decision-makers, and leading complex commercial engagements through to successful close.

If you are energized by hunting for new opportunities, influencing executive stakeholders, and driving growth in the pharmaceutical and life sciences sector, we'd love to hear from you.

What You'll Do

Drive New Client Acquisition

• Build and manage a pipeline of net-new pharmaceutical and life sciences prospects across the territory.
• Identify, engage, and develop relationships with prospective clients through strategic outreach, networking, referrals, and industry events.
• Qualify opportunities and drive them through the sales cycle from initial engagement to signed agreement.
• Maintain accurate forecasting and pipeline management within CRM systems.

Execute Territory Growth Strategy

• Develop and implement a territory growth plan for France, Belgium, and French-speaking Switzerland.
• Identify priority market segments, target organizations, and strategic entry points.
• Stay informed on market, regulatory, procurement, and competitive trends to strengthen commercial positioning.
• Represent OneSource at industry conferences, events, and professional associations.

Lead Complex Commercial Engagements

• Own the full sales process from qualification and discovery through proposal development, negotiation, and contract execution.
• Partner with solutions, delivery, operations, and pricing teams to create compelling client solutions.
• Balance commercial objectives with delivery feasibility and long-term client value.
• Ensure a seamless transition of new clients to implementation and account management teams.

Build Executive-Level Relationships

• Engage senior stakeholders across procurement, manufacturing, quality, operations, and executive leadership functions.
• Establish trusted advisor relationships throughout the buying journey.
• Effectively communicate OneSource's value proposition and differentiate solutions in a competitive market.

What You'll Bring

Required Qualifications

• 10+ years of business development or new-business sales experience within pharmaceutical, life sciences, scientific services, CRO, CDMO, laboratory services, or related sectors.
• Demonstrated success building pipeline from scratch and winning new client relationships.
• Experience leading and closing complex, multi-service, multi-million-dollar commercial engagements.
• Fluent French and English, with the ability to conduct business negotiations and presentations in both languages.
• Strong executive presence and the ability to engage credibly with senior-level stakeholders.
• Willingness to travel regularly across the territory.
• Bachelor's degree or equivalent professional experience.

Preferred Qualifications

• Advanced degree in business, life sciences, or a related field.
• Established network within pharmaceutical or life sciences organizations across the target markets.
• Experience selling outsourced services, operational solutions, or technical consulting engagements.

Why Join OneSource?

This is an opportunity to play a pivotal role in expanding OneSource's presence across key European markets. You'll have the autonomy to develop new opportunities, influence market strategy, and directly contribute to the company's growth trajectory while working alongside a highly collaborative global team.

If you're a driven business development professional who enjoys building relationships, creating opportunities, and delivering measurable commercial results, we'd like to hear from you.

Apply today and help shape the next phase of growth for OneSource across Europe.