Job Description

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.

Now, we are looking for an engineer to support our sales processes with technical expertise. As a Pre-sales Systems Engineer, you will be a key link connecting technology with business, helping to close strategic sales opportunities. Your work will directly translate into the company's commercial success and accelerate decision-making processes for our clients.

Work Mode: Hybrid (Poland)

Your responsibilities

• Supporting the sales team by delivering technical presentations and workshops for customers
• Independently presenting IS-Wireless solutions throughout the sales process
• Preparing responses to RFI, RFQ, and RFP requests
• Defining system architecture and configuration early in the process, aligned with customer requirements
• Closely collaborating with the CTO and product team to shape the product roadmap based on interactions with customers and partners

Our expectations

• Hands-on experience in B2B or/and enterprise sales processes
• Proven track record of delivering technical presentations and customer workshops
• Strong understanding of mobile networks and experience in selling or supporting sales of cellular solutions (2G/3G/4G/5G)
• Fluent English (working in an international environment)

Nice to have

• CWSS, CWTS, CWTE or similar certifications
• Experience with private 5G network solutions
• Familiarity with network infrastructure components (servers, routers, switches)
• Knowledge of networking solutions such as Cisco, Arista, HPE, Juniper
• Experience with security solutions such as Cisco, Palo Alto

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

• Real impact: your work directly supports key sales processes and company growth
• Flexible working model: hybrid, adjusted to project needs
• Training budget and access to a knowledge base
• International environment: projects across three continents, collaboration with global partners