[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Hitachi jobs](https://jobs.opennash.com/companies/hitachi/) · [Search jobs](/search/) Hitachi # Product Penetration Tester Kraków, Lesser Poland Voivodeship, PL Full-time Listed on Hitachi’s official careers site. Posted October 12, 2026. Check that it is still open and apply there. [Apply on Hitachi’s careers site →](https://careers.hitachi.com/product-penetration-tester/job/R0137884) [OpenNash Jobs](https://jobs.opennash.com/) / [Hitachi](https://jobs.opennash.com/companies/hitachi/) / Product Penetration Tester ## Job description The opportunity We are looking for a skilled security researcher to join Hitachi Energy Cybersecurity Assurance Center - our product security team that performs the penetration testing of every product we build. In this role you will: - test every kind of product before release - hardware, software, cloud, mobile, OT solutions - identify and exploit vulnerabilities across all Hitachi Energy products to eliminate them before releasing product to the market - work closely with engineers to support security-by-design approach implementation - use and develop the state-of-the art tools, both hardware and software, including CsAC's custom tools fine-tuned for cryptography and LLM-supported reverse engineering How you'll make an impact In-depth knowledge of TCP/IP networking and application protocols concepts Understanding of software exploitation and common vulnerabilities Understanding of port scanning, vulnerability assessment and fuzzing tools - Knowledge of protocols associated with web technologies Understanding of OWASP Top 10 and SANS 25 vulnerabilities and their mitigations - Knowledge about security testing of mobile apps and related APIs Experience in working in multicultural environments Good English communication skills: verbal and writing of technical reports - Knowledge of control communication protocols and technologies - Proficient with one of the scripting languages (e.g., Python) - Knowledge of cryptographic and security protocols Understanding of penetrating testing tools like Metasploit; able to write auxiliary modules and code exploits Hands-on experience with reverse engineering and binary analysis is a plus Experience with hardware exploitation techniques including firmware extraction, UART, JTAG, I2C interfacing is a plus Understanding RF, Bluetooth, NFC and wireless attack surfaces is a plus Your background Pentesting - performing penetration tests of wide range of systems Research - gathering information about industry technologies, familiarizing with new communication protocols and their weaknesses Documentation preparation - reports creation, team's internal documentation development Meetings - taking part in technical meetings and knowledge exchange sessions More ### About Us At Hitachi Energy, we recognize that our people are at the heart of our success. We are committed to providing a supportive and inclusive workplace, competitive rewards, and opportunities for professional and personal growth. Our benefits package is designed to help employees thrive both at work and in their personal lives. Our benefits offering for this role generally includes: Private medical care and life insurance​ Access to fitness and wellness programs​ Access to benefits platform with discounts and perks​ Employee Capital Plans (PPK)​ Equipment for working from home or allowances for setting up a workplace at home​ Spectacles and contact lenses allowance​ Company events and team‑building activities​ Psychological support program​ Free parking available Add if applicable: additional benefits may apply depending on the role, grade, and business requirements. You will receive more specific information during the recruitment process. ## At a glance - Posted by the employer: Oct 12, 2026 - First seen by OpenNash: Oct 12, 2026 - Last checked: Oct 19, 2026 - Listed for: 7 days - Location: Kraków, Lesser Poland Voivodeship, PL - Employment type: Full-time[Apply on Hitachi’s careers site →](https://careers.hitachi.com/product-penetration-tester/job/R0137884) ## More jobs at Hitachi ### [AI Opportunity Lead](https://jobs.opennash.com/companies/hitachi/jobs/f7ca681a719796d9b5d9/) Kraków, Lesser Poland Voivodeship, PL ### [C++ Architect](https://jobs.opennash.com/companies/hitachi/jobs/e79a3ca0b302783ce917/) Kraków, Lesser Poland Voivodeship, PL ### [CPQ/ Digital Commerce Solution Architect](https://jobs.opennash.com/companies/hitachi/jobs/106002f15ed8d558aa86/) Kraków, Lesser Poland Voivodeship, PL ### [Controlling Analyst with Spanish](https://jobs.opennash.com/companies/hitachi/jobs/cf29c9212b285d0de5e9/) Kraków, Lesser Poland Voivodeship, PL ### [Internship - Accounts Payable](https://jobs.opennash.com/companies/hitachi/jobs/328f10977129980c7606/) Kraków, Lesser Poland Voivodeship, PL ## Similar jobs at other companies ### [Penetration Tester](https://jobs.opennash.com/companies/commonwealth-bank/jobs/84026d52a60ec16d7b80/) Commonwealth Bank · Sydney CBD Area ### [Senior Penetration Tester/Red Team Operator](https://jobs.opennash.com/companies/ntt/jobs/bf7f6829d43fbf491bdc/) NTT · Diegem, Belgium ### [Junior Penetration Tester (w/m/d) München, Bayern München, Bayern IT / IT SYSTEMS IT / IT SYSTEMS Permanent](https://jobs.opennash.com/companies/vinci/jobs/8920837cfab3eb5ee541/) VINCI · München, Bayern ### [Senior Penetration Tester (w/m/d) München, Bayern München, Bayern IT / IT SYSTEMS IT / IT SYSTEMS Permanent](https://jobs.opennash.com/companies/vinci/jobs/2b91d0eb1790e0779dfd/) VINCI · München, Bayern ### [Penetration Tester (All Gender)](https://jobs.opennash.com/companies/airbus/jobs/dc6b1ae42c114cd7bfa9/) AIRBUS · Madrid Area OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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