Technical Sales Engineer – 5G & 6G

Technical Sales Engineer – 5G & 6G Build the future of ultra-resilient connectivity! We usually respond within a day 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. Your mission Act as a trusted technical advisor for customers during the sales process. Lead technical presentations, workshops and solution discussions with business and engineering stakeholders. Support RFI, RFQ and RFP responses with strong technical input. Define solution architecture and system configuration early in the sales cycle. Work closely with the CRO, CTO and product teams to align customer needs with product direction. Skills & Experience (Must-Have) Experience in technical sales, pre-sales, solution engineering or sales engineering in B2B / enterprise environments. Strong knowledge of mobile networks and hands-on exposure to 4G / 5G, RAN or private network solutions. Ability to explain technical topics clearly to both engineering teams and decision-makers. Understanding of Open RAN concepts such as virtualization, open interfaces and disaggregated architecture. Fluent English and readiness to work in an international environment. Nice-to-Have Experience with Open RAN architecture, including O-RU, O-DU, O-CU, RIC or SMO. Experience with private 5G deployments. Familiarity with network infrastructure such as servers, routers and switches. Knowledge of vendors and technologies such as Cisco, Arista, HPE or Juniper. Exposure to defence, public sector or other highly regulated environments. What We Offer Competitive Package: A salary reflecting your seniority and impact, plus an attractive commission system. Equity Opportunity: Eligibility for a stock option plan based on long-term commitment, loyalty, and exceptional performance. Strategic Influence: A seat at the table where key technical and commercial decisions are made. Real-World Impact: Your work directly supports the deployment of ultra-resilient 5G networks in critical and demanding environments. Global Reach: Opportunity to lead projects across three continents and collaborate with a world-class team of domain experts. Flexibility : A hybrid work model designed for high-performance leaders, adjusted to project and business needs. Department Business Locations Piaseczno, Poland Remote status Hybrid Piaseczno, Poland Gain expert knowledge and challenge yourself Opportunity A great opportunity to develop your skills in building networks in the Open RAN model Knowledge Get access to the top-class telecommunications knowledge base and training Challenge Interesting and challenging work within an international environment of talented engineers About IS-Wireless IS-Wireless is a top European Deep Tech innovator, awarded the EIC Seal of Excellence and holding a portfolio of 10+ patents. As a proud NATO DIANA 2025 innovator, we operate as a Dual-Use company, developing ultra-resilient, secure, and resource-efficient 5G networks for both industrial and tactical applications. Our patented Liquid RAN technology represents a new generation of open, disaggregated radio access designed for exceptional reliability, flexibility, and resource efficiency. It enables rapid restoration and redeployment of base stations, even in volatile or degraded environments. Our solutions are built for performance under pressure, supporting ultra-resilient mobile networks that withstand disruption. With a dual-use approach, we bridge defense innovation and commercial applications to ensure secure, high-performing connectivity where it matters most. Our team stands out for creative problem-solving, unconventional thinking, and deep expertise. We bring together experience from hardware and software vendors, telecom operators, and R&D institutions, uniting skilled developers, engineers, and business leaders. Founded in 2017 Co-workers 45+