About this role
Resideo is a global leader in smart home and building solutions, with trusted brands including Honeywell Home, First Alert, and Resideo helping people feel more comfortable, secure, connected, and in control every day. Our products and technologies are found in more than 150 million homes and businesses worldwide. From intelligent climate solutions to security, sensing, water, and connected home technologies, Resideo develops and manufactures products designed to simplify everyday life and help protect what matters most. Our global teams span engineering, manufacturing, software, product management, supply chain, customer experience, and more — all working together to shape the future of connected living through innovation, quality, and meaningful real-world impact. At Resideo, our teams help create products and experiences that make everyday life more comfortable, secure, and connected for millions around the world. Learn more at www.resideo.com.
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Resideo is seeking a highly driven Penetration Tester to play a pivotal role in safeguarding our systems, products, and customers. In this role, you will help protect customer data, ensure product security, and strengthen privacy across everything we build. You will proactively hunt for vulnerabilities across a broad technology landscape—including hardware, web and mobile applications, cloud environments, and on‑premise infrastructure. We’re looking for someone who thinks like an attacker, enjoys ethically breaking systems, and takes real satisfaction in uncovering and fixing complex security issues across multiple domains The threat landscape is constantly evolving, and so are we. You’ll continuously sharpen your skills through training, industry conferences, internal Hacking Fridays, Capture‑the‑Flag (CTF) events, and hands‑on collaboration with passionate security professionals. While the challenges can be tough, you’ll never face them alone—you’ll be part of a supportive, highly skilled team. We’re keen to connect with candidates who bring strong expertise in offensive security and penetration testing, and who are genuinely passionate about continuous self‑development. At Resideo, we actively invest in your growth to help you thrive in your role. This includes funding for advanced, industry‑recognised certifications such as OSCP, OSEP, and OSWE, alongside ongoing learning opportunities that keep you at the forefront of the offensive security landscape. JOB DUTIES:
• Advanced Penetration Testing: Perform in-depth penetration tests on networks, applications, and systems to uncover security weaknesses. • Project Ownership: Take ownership of more complex security projects, ensuring timely and high-quality deliverables • Tool Proficiency: Utilise advanced tools and methodologies for penetration testing and vulnerability assessment • Reporting: Document findings and provide detailed reports with actionable recommendations • Collaboration: Work with team members and other departments to achieve common objectives and ensure the success of cross-functional projects. • Compliance: Ensure all testing activities adhere to company policies and industry standards • Self-Development: Dedicate time during your working week to build your skills and prepare for relevant industry certifications, fully funded by Resideo.
YOU MUST HAVE:
• Hands‑on experience in cyber security, with a strong focus on penetration testing and vulnerability assessment • Practical knowledge of penetration testing tools and techniques • A strong desire for continuous self‑development, with the willingness to learn, adapt to new tools and technologies, and invest time in studying for relevant qualifications • The ability to analyse complex security problems and propose effective, practical solutions • Business level English is required WE VALUE:
• One or more advanced certifications such as OSCP, OSEP, or OSWE • The ability to collaborate effectively with team members and cross‑functional stakeholders to achieve shared goals • Fluency in Czech WHAT'S IN IT FOR YOU:
• Funding provided to support your self-development • 5 weeks of paid vacation • Hybrid work model • Flexible working hours • On-site canteen & home office meal vouchers • Pension plan or DIP contributions • Discounted phone plans & company product discounts • Multisport Card & cafeteria program #LI-AM3 #LI-HYBRID