Business Development Manager– Defence&Security, Delft

About this job We are currently looking for a

Business Development Manager– Defence&Security

to join the team in

Delft .

We are a growing, innovation-driven organisation, and looking to expand our team operating within the

Defence&Security domain , where advanced technologies are translated into real-world operational capabilities.

To support our continued growth, we are looking for a

Business Development Manager

who can connect

technology, stakeholders, and operational needs . In this role, you will work closely with Defence organisations, research partners, and industry stakeholders to identify opportunities and help shape solutions that make a real impact.

You will play a key role in bridging the gap between

technical innovation and practical application , helping turn ideas into deployable products and services used in complex and mission-critical environments.

Main responsibilities

Build and maintain strong relationships with

Defence stakeholders, research institutions, and industry partners

Translate operational needs into

concrete opportunities and collaborations

Identify and develop new business opportunities within the Defence&Security domain

Stay up to date with

market trends, emerging technologies, and Defence developments

Represent the organisation at

events, exhibitions, and industry gatherings

Work closely with internal technical teams to shape

proposals and solutions

Support the development of

business cases and value propositions

Contribute to turning innovative technologies into

practical, field-ready capabilities

Requirements

Experience&expertise

Bachelor’s or Master’s level working and thinking ability

Relevant experience within the

Defence&Security sector

or a comparable environment

Strong affinity with

high-tech systems and innovation

Understanding of

Defence-related systems or environments (e.g. C4ISR)

is a strong advantage

Experience in business development, stakeholder management, or similar roles

Personal profile

Strong communicator with the ability to engage at different levels

Fluent in

Dutch and English

(both required)

Commercial mindset with a focus on identifying opportunities and building partnerships

Strong networking skills and willingness to represent the organisation externally

Able to translate complex topics into clear and practical solutions

Interest in working within the

Defence domain , with the ability to obtain

security clearance (SECRET level)

What we offer

A role at the intersection of

technology, strategy, and real-world impact

The opportunity to work within the

Defence&Security ecosystem , contributing to meaningful and mission-critical solutions

A high level of

autonomy and responsibility

Collaboration with highly skilled technical and commercial teams

An innovative and growing environment with strong international exposure

A competitive salary and benefits package

Our story At S[&]T we contribute to a safer life on earth by translating space data into valuable and actionable insights. We oversee data from instruments to application, and apply our expertise within our software frameworks, information products and consultancy.

Our society relies on space and scientific instruments for climate change monitoring, navigation, defence and national security, and other crucial services we all use in our daily lives. These instruments produce an enormous quantity of complex data, and our goal is to unlock its value.

We have more than 20 years of experience working on instrument calibration, the creation of data quality monitoring tools, the development of real-time data processing frameworks, and the development of application-specific algorithms. With this, we help organisations, governments and industries to strengthen their information position and thereby improve their decision making. We focus on the following domains: Space&Science, Defence&Security, Environment&Sustainability, and High-Tech Consulting.

#J-18808-Ljbffr