Key Account Manager Diagnostics
(Office Based, Amsterdam)

Your role as KAM
Are you ready to drive global growth in established diagnostic solutions and lead the charge in bringing cutting-edge products to market? Join Essange Reagents as our Key Account Manager (KAM) and lead international sales in our growing Protein & Immunology Reagents (P&I) business. You will report directly to the Chief Commercial Officer (CCO).
You will be responsible for driving international sales across our growing portfolio of protein and immunology-based reagents, diagnostic products and custom OEM solutions. You’ll manage a global client portfolio and uncover new opportunities in diagnostic, clinical, and research markets. Key customers include diagnostic companies, laboratories, hospitals, academic institutions, and OEM partners.

We are looking for an experienced sales professional who thrives at the intersection of science and commerce. Experienced in managing global B2B relationships and closing OEM deals. You have a background in immunology, biochemistry, or protein sciences, gained through academic education or relevant industry experience. You have hands-on and commercial experience with immunoassay technologies, and a solid understanding of protein detection and antibody-based assays. Experience with partnership management and contracts in a global context is a critical element of the role.
The ideal candidate is entrepreneurial, proactive, and hands-on and ready to grow key accounts, lead strategic conversations, and actively contribute to the company’s commercial transition. You are confident working with both scientific and procurement stakeholders and have experience navigating complex sales cycles internationally.

The role is office based in Amsterdam, with occasional international travel as required.

You will join a healthy, fast-evolving company that recently entered a new growth phase under private equity ownership. With new leadership and a clear shift to leverage our deep scientific expertise to fuel a focused sales-driven strategy. This is a unique opportunity to contribute to building a modern, scalable commercial organization.

VITRU | International Executive Recruitment is exclusively assisting Essange Reagents to recruit the best candidate for this crucial role.

What you need to do:

Drive revenue growth by expanding key accounts and forging new partnerships;
Act as the strategic link between Essange Reagents, international distributors, and OEM clients;
Translate customer needs into tailored, high-impact diagnostic solutions;
Lead strategic conversations that influence product positioning and commercial direction, including contract negotiations;
Collaborate closely with leadership during this pivotal commercial transition;
Develop and execute account plans to meet quarterly and annual sales targets;
Identify and qualify new business opportunities in research, clinical, and diagnostic markets;
Maintain accurate forecasting and CRM reporting to support data-driven decision-making.

What you bring:

Degree in Life Sciences (Immunology, Biochemistry, Molecular Biology, Biomedical Sciences, etc.), MSc or PhD preferred;
5+ years of relevant experience in diagnostics, immunoassays, or protein-based assay markets;
Understanding of ELISA, Luminex, cytokine assays, and diagnostic development processes;
Familiarity with IVD regulation, CE-IVD, and ISO 13485 standards;
Proven track record in international B2B sales, key account management, and OEM deal-making;
Excellent communication and negotiation skills in English, Dutch preferred;
A track record of navigating complex international sales cycles;
Willing to travel internationally and thrive in a hybrid work environment.

Why Join Us?

Essange Reagents offers you a challenging position with interesting career prospects;
Interesting remuneration package;
Be part of a well-funded, ambitious company;
Help shape the commercial future of a globally renowned R&D company to a sales focused strategy;
Travel internationally to build relationships and close deals.

Organisation:
Essange Reagents is a fast-growing, Amsterdam-based biotech company specialising in high-quality reagents for blood grouping and plasma protein diagnostics. Spun off from Sanquin in 2022 and backed by private equity firm Gilde Healthcare, the company operates independently from its headquarters in Amsterdam with a team around100 employees.
Recognized as a European niche leader, Essange delivers innovative diagnostic solutions that are essential for early disease detection.
Now scaling internationally, Essange is investing in OEM partnerships, and customer-centric solutions. With a growing global footprint, the company is poised to expand its market share and become a key player in the in vitro diagnostics (IVD) space.
(https://www.essange-reagents.com/)

How to apply:
If you are interested and you meet all the above requirements please send your English resume via the apply button to VITRU, The European Executive Recruitment Firm. For more information about this position, please contact Guy Laeven at VITRU via +31 6 19 79 80 68 (www.vitru-hr.com).

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Key Account Manager Diagnostics

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