Principal System Architect – 5G & 6G
IS-Wireless
| Company | IS-Wireless |
| Category | Engineering |
| Location | Piaseczno |
| Remote | — |
| Employment | Not stated |
| Level | Senior |
| Salary | Not stated by the employer |
| First seen | 2 Aug 2026 (the employer did not state a posting date) |
| Last verified | 9 Aug 2026 |
| Source | The employer's own careers page (company_site) |
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.
Your mission
• Technical Authority: Serve as the primary technical face of IS-Wireless for strategic clients and high-level engagements.
• Solution Architecture: Lead the design and technical validation of full-stack 5G solutions for multi-million euro deals.
• Roadmap Alignment: Work closely with the CTO to ensure the product roadmap meets market demands and technical excellence.
• RFP/RFQ Mastery: Own the technical strategy for complex tenders, ensuring our proposals are bulletproof and superior to traditional vendors.
• Ecosystem Leadership: Represent IS-Wireless at industry events and standards bodies as a leading expert in 5G & 6G Networks.
Skills & Experience (Must-Have)
• Deep-Tech Mastery: 12+ years in the Telecommunications industry with a profound understanding of 4G/5G, RAN, and Core architecture.
• Architectural Vision: Practical knowledge of Advanced Mobile Solutions architectures and Virtualized Architectures design.
• Strategic Influence: Proven track record in a Solutions Architecture or Technical Leadership role where your input directly resulted in major contract wins.
• Communication: Exceptional ability to simplify complex technical concepts for C-level stakeholders while maintaining absolute credibility with engineers.
• Fluent English: Operating on a global stage, leading negotiations with international partners and clients.
Nice-to-Have
• Experience with defense sector requirements or highly regulated industries.
• Knowledge of virtualization, cloud-native infrastructure, and modern networking stacks.
• Active participation in industry bodies (e.g., 3GPP).
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 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.