Senior Key Account Manager – Benelux & Western Europe

Win, grow and keep defense and enterprise accounts for a Dutch-Polish 5G/6G company, close to customers across Western Europe.

• Base salary + uncapped commission + stock options

• Remote / field in Benelux, office at High Tech Campus Eindhoven

• Full-time, local payroll via EOR

IS-Wireless at a glance

• European deep-tech company building private 5G and 6G networks for defense, public safety and critical infrastructure, with teams in Poland and at High Tech Campus Eindhoven.

• Selected for NATO DIANA’s 2025 cohort from more than 2,600 applicants, and one of 15 companies moved to Phase 2 with its patented LiquidRAN™ technology, which keeps networks running when parts of the infrastructure are damaged.

• Holder of 10+ patents and the EIC Seal of Excellence, partner in the Dutch 6G programme Future Network Services.

Why this role

IS-Wireless networks already run in real deployments with paying clients, including the defense sector. The next step is a larger customer base in Western Europe, and this role builds it account by account.

You own a portfolio of defense, industrial and government accounts in the Netherlands, Belgium, France, Spain and Portugal. You find the clients, take each deal from first meeting to signed contract and grow it into multi-year revenue. You work closely with the Sales Director for Benelux & Western Europe, who sets the regional strategy and the prime partnerships, while you run the deals.

Your mission

• Win new clients in the defense sector, large industrial companies and government entities across Western Europe.

• Originate, qualify and close complex deals with several stakeholders, working with the Pre-sales, Product and Delivery teams.

• Run procurement cycles (RFI/RFQ/RFP) and build technical and commercial agreement while protecting margin.

• Sell consultatively: prepare business cases and ROI analyses together with the client.

• Keep a disciplined pipeline in CRM, forecast accurately and exceed quota.

• Grow long-term relationships with your accounts and bring their feedback to the product team.

• Represent IS-Wireless at industry events in the 5G and 6G ecosystem.

What we need

Must-have:

• 5+ years of B2B technology sales (IT, cloud, SaaS, telecom or deep-tech).

• Sold complex technical solutions (e.g., RAN, core, private 5G, cloud-native infrastructure) to senior technical and business stakeholders.

• Closed long sales cycles (6–18 months) with international clients.

• Works with a structured sales methodology (e.g., MEDDIC, Challenger) and uses CRM consistently.

• Generates own leads and builds pipeline from scratch.

• Fluent English for presentations and negotiations. Dutch or French is a strong asset.

Nice-to-have:

• Experience selling innovative, first-of-its-kind products.

• Knowledge of the telecom or 5G industry.

• Background in scale-ups, deep-tech or top-tier tech companies.

• Experience with RAN, Kubernetes or military tech solutions.

What we offer

• Base salary and uncapped commission on the deals you close.

• Stock options (ESOP) tied to the company’s growth.

• Your own accounts in defense and critical infrastructure, with a sales role close to the product and the engineers who build it.

• Structured training, access to the company’s telecom knowledge base, and time and budget for conferences.

• Remote from the Netherlands or Belgium, customer travel across Western Europe, occasional visits to the team in Poland.

• Local payroll via Employer of Record (EOR), flexible working hours.

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.