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Posted Oct 14, 2026
Saarbrücken
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Salary (estimate)
Broad estimate: €44,000–€58,000/year
GUARDSPHERE
Saarbrücken, Germany | On-site | Co-Founder / Equity | Deep Tech / OT & Industrial Cybersecurity
GuardSphere protects factories, energy plants and critical infrastructure from cyberattacks without ever stopping production. Its product, NeuroX Shield, passively watches a plant's industrial network, learns normal behavior, and lets operators respond to threats safely and gradually — built for mid-sized German manufacturers and utilities who can't afford downtime and have no in-house security specialist.
The opportunity
Founded around Farah Elshenawy (7 years in penetration testing, OSCP, MSc Entrepreneurial Cybersecurity at Saarland University/CISPA) and machine-learning lead Nazligul Kese, GuardSphere has validated its prototype with 47+ industry professionals across 6 industrial events and secured €800k in StartupSecure funding. What's missing is the commercial engine to turn validated R&D into revenue. We are looking for a Business / Industry co-founder specialized in OT security go-to-market, GuardSphere is separately also open to a CTO / software co-founder with OT/ICS development experience.
Go-to-market & sales
Commercial strategy
Company build-up
Core experience
Especially valuable
GuardSphere welcomes co-founder candidates regardless of gender, age, ethnic origin, religion or belief, disability, sexual identity, or any other characteristic. This is a search for the right partner to build the company with, not a conventional hire.
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Source: Statistisches Bundesamt (Destatis), table; dl-de/by-2-0; StarIn's calculation
Source: Statistisches Bundesamt (Destatis), table; dl-de/by-2-0; StarIn's calculation