Senior Key Account Manager (Defense focus) (m/f/d)

About the Role

At ARX Robotics, strong customer partnerships are essential to bringing advanced autonomous systems into operational use. As Senior Key Account Manager with a focus on the defence sector, you will build long-term relationships with strategic customers and help shape how innovative technologies are adopted across complex defence environments.
You will work closely with governmental and industrial partners, guiding customer engagements from strategic planning through execution. This role combines relationship management, strategic sales, and cross-functional collaboration in a fast-moving and mission-driven environment.

What You’ll Build

• Build and grow long-term relationships with key customers and partners across the defence sector
• Develop and execute strategic account plans aligned with customer priorities, operational needs, and procurement roadmaps
• Identify and drive cross-selling and up-selling opportunities across ARX Robotics’ product and service portfolio
• Coordinate complex customer engagements involving integrated hardware and software solutions
• Act as the internal voice of the customer, collaborating closely with Product, R&D, Operations, Service, and Marketing teams
• Support the successful delivery of customer programs through clear communication and stakeholder alignment
• Conduct market, customer, and competitive analysis to support strategic account development and business decisions
• Work closely with Sales Operations leadership to assess account performance, customer developments, and future growth potential
• Contribute to expanding ARX Robotics’ presence within the European defence ecosystem
• Help shape trusted partnerships that support long-term growth and innovation

What You Bring

• Experience in the defense sector, ideally as a former officer in the German Armed Forces
• Experience in key account management, strategic sales, or business development roles [BB1.1]
• Strong track record of building and managing long-term customer relationships [BB2.1]with military decision-makers or endusers
• Ability to manage complex stakeholder environments across commercial, operational, and technical teams
• Strong communication, negotiation, and relationship management skills
• Strategic mindset combined with a hands-on and solution-oriented approach
• Confidence working with both governmental and industrial customers
• Ability to analyse market developments and translate insights into actionable account strategies
• Degree in Business Administration, Industrial Engineering, or a related field
• Fluent German and English language skills, both written and spoken

Please note: You do not need to meet every single requirement to apply. We welcome motivated candidates who are eager to grow into the role and develop their expertise further.

What We Offer

Join a mission-driven European defense tech company at a pivotal stage of growth, where you can help shape meaningful technology, take ownership early, and grow with the business!

• Competitive compensation package including a bonus opportunity
• 27 vacation days to start, increasing with tenure up to 30 days
• Employer-supported pension contribution
• Learning & development support and team events budget
• Employee discounts and flexible benefits budget via Probonio
• Hybrid working setup depending on role and team needs
• Structured salary bands, levelling framework, and bi-annual development conversations
• Referral bonus program, dog-friendly office, and relocation support where applicable

About Us

ARX is a dual-use technology company that specializes in developing autonomous unmanned systems and sensors for the European defence sector. Our dual-use unmanned ground systems and sensors assist NATO Armies and civilian first responders in tackling their most challenging problems by providing them with training and information to make better decisions and take effective actions in life-or-death situations.

As our team continues to expand rapidly, we are seeking motivated candidates who are excited to work in a highly energetic, creative, and innovative team dedicated to developing autonomous systems for challenging environments. We operate in a dynamic sector where collaboration, sharing innovative ideas, and developing novel problem-solving strategies are ingrained in our work culture.

If you are passionate about overcoming challenges that have a real impact on the security of our democracies, apply here to join ARX and help shape the future of dual-use technology!


ARX is an equal-opportunity employer, and we encourage candidates from all backgrounds to apply.

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