Senior Key Account Manager

Why this role matters

At IS-Wireless, we're building some of the most advanced 5G/6G networks in Europe. This isn't just theoretical - it's about real-world deployments, with actual clients, in demanding environments, including the defense sector.

The Sales Executive will own end-to-end defense and enterprise for IS-Wireless’ 5G/Open RAN portfolio across Western European countries (The Netherlands, Belgium, France, Spain, Portugal), with a mandate to win and scale multi-year revenue. This role combines strategic hunting, complex deal orchestration, and C‑level relationship building to position IS-Wireless as the preferred partner for next‑generation mobile networks.

Key Challenges & Responsibilities

• Acquire strategic clients primarily in international markets (EU and beyond), focusing on defense sector companies, but also including large industrial companies, and other government entities
• Originate, qualify, and close complex, multi-stakeholder deals, coordinating tightly with Pre-sales, Product, and Delivery.
• Navigate lengthy procurement cycles (RFI/RFQ/RFP), driving technical and commercial consensus while protecting margin.
• Conduct consultative sales of IS-Wireless technology and products.
• Consistently exceed quota while maintaining high forecast accuracy and disciplined pipeline management.
• Educate clients and build long-term business relationships.
• Collaborate on product development based on market feedback.
• Represent IS-Wireless at key industry events, building a visible executive presence in the 5G & 6G Networks ecosystem.

Skills & Experience (Must-Have)

• 5+ years of experience in B2B technology sales (e.g., IT, cloud, SaaS, deeptech).
• Proven success selling complex, technical solutions (e.g., RAN, core, private 5G, cloud-native infrastructure) to senior technical and business stakeholders.
• Strong command of structured sales methodologies (e.g., MEDDIC, Challenger) and disciplined CRM usage.
• Experience working with international clients.
• Fluent in English (presentations, negotiations).
• Ability to effectively source leads and manage the sales pipeline.
• Experience in long, complex sales processes (6–18 months).
• Ability to prepare business cases and ROI analyses**.**

Nice-to-Have

• Experience in selling innovative, first-of-its-kind products.
• Knowledge of the telecommunications/5G industry.
• Background in high-growth or deep‑tech environments, ideally in scale-ups or top‑tier tech companies.
• Experience with ORAN, Kubernetes, or military tech solutions.

How we work

Loyalty & team spirit — we have each other's backs, always.

Sincerity & openness — we say what we think, even when it's uncomfortable.

Courage & ambition — we take positions, defend them, and aim high.

"How can I help?" attitude **—**we help because we want to, not because we have to.

Out of the comfort zone — we build things that haven't been built before. That's the point.

Zero-latency — we act. No waiting, no procrastinating, no excuses.

What We Offer

• Competitive salary that grows with your impact, plus a very attractive commission system and the possibility of stock options.
• Access to a world-class telecom knowledge base and structured training resources.
• Time and budget for training, conferences and self-development.
• Daily exposure to modern tools and technologies that push the industry forward.
• A diverse, friendly, international team of engineers and domain experts.
• Collaborative, low-ego culture that values initiative and your input.
• Flexible working hours and a healthy work-life balance.