Prague, Prague, Czechia · Hybrid
Who we are and what we do The Cyber Testing Center (CTC) is an international team of security professionals and ethical hackers who thrive on discovering how things work - and how they can be made safer. Every day we put…
Skills: Penetration Testing, DAST, SAST, IAST, OWASP ASVS
Prague, Prague, Czechia · On-site
Landis+Gyr EMEA, formerly part of the Landis+Gyr Group, supports electricity, gas, water and thermal utilities in managing increasingly complex networks, improving operational efficiency and enabling more sustainable use…
Skills: Microsoft 365, Entra ID, Microsoft Intune, Exchange Online, SharePoint
Prague, Prague, Czechia · Hybrid
What you will do Join Johnson Controls’ global Network Security Operations team and play a key role in protecting a large, complex enterprise network. You’ll be the go‑to expert for Zero Trust network access, with a stro…
Skills: Forescout NAC, Infoblox DDI, 802.1X, RADIUS, MAB
Prague, Prague, Czechia · Hybrid
$117k–$184k/yr
Job Description The Principal Security Design Advisor is a senior technical leader responsible for driving Secure-by-Design practices across enterprise platforms, cloud services, developer ecosystems, AI solutions, and p…
Skills: Amazon Web Services (AWS), Cloud Security, Security Architecture Design, Threat Modeling, DevSecOps
Prague, Prague, Czechia · Hybrid
Every day, Global Payments makes it possible for millions of people to move money between buyers and sellers using our payments solutions for credit, debit, prepaid and merchant services. Our worldwide team helps over 3 …
Skills: IT General Controls, SOC 1 & SOC 2 Reporting, SOX Compliance, Cloud Auditing, Risk Management
Prague, Prague, Czechia · Hybrid
Every day, Global Payments makes it possible for millions of people to move money between buyers and sellers using our payments solutions for credit, debit, prepaid and merchant services. Our worldwide team helps over 3 …
Skills: IT Audit, Internal Audit, Risk Management, IT General Controls, Automated Controls
Prague, Prague, Czechia · Hybrid
Business Area: Engineering Seniority Level: Mid-Senior level Job Description: At Cloudera, we empower people to transform complex data into clear and actionable insights. With as much data under management as the hypersc…
Skills: Rust, Kubernetes, Systems Architecture, Networking, Async Rust
Prague, Prague, Czechia · On-site
Second Foundation is a global energy trading company with 500 plus employees across locations in Prague HQ (CZ), Zug (CH), Berlin (DE), Charlotte (USA), and Tokyo (JP). We specialize in power market trading and in the in…
Skills: Cybersecurity Law, Project Management, Regulatory Compliance, Incident Response, Security Governance
Prague, Prague, Czechia · Hybrid
Join Us We can offer this position as part time job in case of your interest. As we grow our team, we’re looking for passionate colleagues who are ready to innovate, collaborate, and lead the way in cybersecurity. Your r…
Skills: Cybersecurity, Cloud Security, Network Security, Data Security, GDPR
Prague, Prague, Czechia · Hybrid
Job Description The Position Information Technology Risk Management and Security (ITRMS) – Business Technology Risk (BTR) is a critical function supporting Pharmaceutical R&D, Manufacturing/Supply Chain, and Commercial o…
Skills: Business Acumen, Business Technology, Data Management, Information Security, IT Risk Management
Prague, Prague, Czechia · Hybrid
Our Purpose At SentinelOne, we are driven by a clear purpose: to give the advantage to those who secure our future. As AI reshapes how organizations build, operate, and innovate, the responsibility to protect them become…
Skills: Kubernetes, Kafka, Redis, Terraform, ArgoCD
Prague, Prague, Czechia · Hybrid
Our Purpose At SentinelOne, we are driven by a clear purpose: to give the advantage to those who secure our future. As AI reshapes how organizations build, operate, and innovate, the responsibility to protect them become…
Skills: Kubernetes, AWS, GCP, Grafana, Prometheus
Prague, Prague, Czechia · Hybrid
Our Purpose At SentinelOne, we are driven by a clear purpose: to give the advantage to those who secure our future. As AI reshapes how organizations build, operate, and innovate, the responsibility to protect them become…
Skills: Go, Python, PostgreSQL, MongoDB, Redis
Prague, Prague, Czechia · On-site
Join TopGum as a Maintenance Manager, where you'll lead our maintenance team to ensure efficient and safe operations of all equipment and facilities. Bring your expertise to develop maintenance procedures and foster a cu…
Skills: Maintenance Management, Preventive Maintenance, Budget Management, Leadership, Communication
Prague, Prague, Czechia · Hybrid
Make an impact with NTT DATA Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society…
Skills: Endpoint Security, EDR, XDR, Microsoft 365 Security, Cybersecurity
Prague, Prague, Czechia · Hybrid
Job Description SummaryAt Avio Aero, a GE Aerospace company, we invent the future of flight, lift people up, and bring them home safely. We are a world-leading provider specializing in the design, production, and mainten…
Skills: Quality Management System, EASA Part 21, Auditing, Lean Principles, Conflict Resolution
Prague, Prague, Czechia · On-site
Job Description & Summary Join our Cloud Security Engineering team as a Senior Associate to help shape the security of a global, multi-cloud platform. In this hands-on role, you'll design, implement, and support cloud se…
Skills: Cloud Security, CSPM, Python, PowerShell, Azure
Prague, Prague, Czechia · Hybrid
Innovation starts from the heart. Edwards Lifesciences is the leading global structural heart innovation company, driven by a passion to improve patient lives. With millions of patients served in over 100 countries, each…
Skills: Information Security GRC, Risk Assessment, Control Model Administration, Regulatory Compliance, Data Governance
Prague, Prague, Czechia · On-site
Job Description SummaryAs Quality System Manager you will oversee, ensure, and enhance the organization's capabilities to comply with external standards and regulations, particularly in alignment with AS 9100. This role …
Skills: Quality Management System, AS 9100, EASA Regulations, People Management, Lean Operations
Prague, Prague, Czechia · On-site
We’re in an unbelievably exciting area of tech and are fundamentally reshaping the data storage industry. Here, you lead with innovative thinking, grow along with us, and join the smartest team in the industry. This type…
Skills: Application Security, SAST, DAST, SCA, Secrets Scanning
Sign up with Clera and we'll reach out the moment a role actually fits you — no more spraying applications into the void.
Perform security assessments across web, mobile, and infrastructure using DAST, SAST, and IAST standards. Deliver security workshops to developers and contribute to the development of internal security tools and LLM projects.
Requires 2-5 years of penetration testing experience with a strong background in web development and system administration. Must have experience testing mobile applications and AI/LLM solutions, along with excellent communication skills for teaching developers.
Who we are and what we do
The Cyber Testing Center (CTC) is an international team of security professionals and ethical hackers who thrive on discovering how things work - and how they can be made safer. Every day we put web, mobile applications and infrastructure under the microscope, while also delivering hands-on training and workshops for our internal customers.
As cyber-threats evolve, so do we. To keep NN’s digital landscape secure, we’re searching for a mid level Penetration Tester to join our team. In this role you’ll hunt for vulnerabilities, champion secure-by-design practices across all NN countries, establish testing standards, share cutting-edge tools, and teach development teams how to build resilient applications. Hop on, grow with us, and help safeguard the digital world for millions of NN users.
Perform DAST/SAST/IAST assessments against OWASP ASVS and MASVS standards to keep our apps secure.
Perform infrastructure security assessments for our clients, including configuration reviews.
Share your expertise: deliver workshops to app developers and infrastructure teams on security best practices.
Support our clients and give them recommendations on the fixes.
Make things safer with your own ideas, research, and innovative solutions.
Assist with responsible disclosure program that NN Group runs.
Build new tools and contribute to projects that expand and improve our pentesting service.
Contribute to our internal project that includes LLM and will increase our testing coverage.
Strong IT background and 2-5 years of experience in the penetration testing.
Hands-on experience with web development (.NET, Java, Python, shell scripting, etc.), penetration testing, and system administration.
Experience with penetration testing of mobile applications (iOS and Android)
Experience with penetration testing of AI/LLM solutions and developing projects that use LLMs
Excellent communication skills - you’re great at teaching, writing guidelines and able to explain to developers what and why needs to be fixed
Staying up to date with the latest security trends and techniques, performing CTF labs and always working on your pentesting skills.
Real Cybersecurity: You’ll break into real systems to find real weaknesses, not just pretend threats or lab simulations.
Learn & Grow: We support your certifications (including providers like OffSec, HTB etc.), training, conferences and continuous development.
Hybrid & Flexible: Enjoy a strong home office culture, flexible time off, and a hybrid setup - most of the time you can work from home, in the office you will be needed ad-hoc only, as we do not have mandatory office days.
People-First Culture: Down-to-earth, open team with no unnecessary formalities (no ego, no blame, just real support).
Modern Tools: Get a company laptop and iPhone with a fully paid plan.
Great Benefits: Cafeteria up to 20,000 CZK, pension contributions, MultiSport card, meal allowance, discount on life insurance, contribution to HO expenses
Care for Your Well-being: You can take advantage of the Mojra psychological counselling, Health Days every autumn, and an increased cafeteria allowance of CZK 12,000 per year for employees with disabilities.
Referral Bonus: Get up to 60,000 CZK for referring new colleagues.
Personalized Onboarding: During your probation, we’ll help you settle in with more in-person support
How we hire
Our selection process is not just about talking, we'd like to gain a clear picture of your skills, experience, and way of thinking. That's why our selection process has three stages:
Skills assessment: to showcase your abilities, you’ll receive a small application for pentest on which you will write a report.
Technical interview: you’ll discuss your knowledge and broader expertise with the Team Lead and one of your future teammates.
Final interview: you’ll meet with the Product Owner, Team Lead, and HR for the concluding conversation.
We help people care for what matters most to them
NN Group is an international financial services company, active in 10 countries, with a strong presence in a number of European countries and Japan. We are rooted in the Netherlands and have a rich history spanning 180 years. With our 16,000 colleagues, NN Group provides retirement services, pensions, insurance, banking and investments to approximately 18 million customers. NN Group includes Nationale-Nederlanden, NN, ABN AMRO Insurance, Movir, AZL, BeFrank, OHRA and Woonnu. NN Group opened for trading on 2 July 2014 on Euronext Amsterdam under the symbol ‘NN’ after its initial public offering (IPO). Throughout our history, we have merged, grown and changed, but the core of who we are has remained the same. At NN Group, we put our resources, expertise, and networks to use for the well-being of our customers, the advancement of our communities, the preservation of our planet, and for the promotion of a stable, inclusive, and sustainable economy. Our purpose is to help people care for what matters most to them. Because what matters to them matters to us.
Offices: Schenkkade 65, Den Haag, Zuid-Holland 2595, NL
There are currently 43 open security & safety positions in Prague, Czechia listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include SentinelOne, PwC, GE, VIVO Defence Services, Cato Networks, among others. Browse the listings above to see every active employer.
Yes — 27 of the 43 open security & safety positions offer remote or hybrid work (2 remote, 25 hybrid).
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.
