Cybersecurity Product Penetration Tester

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 am 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

We pride ourselves on offering a holistic range of competitive benefits to support your financial, physical and mental wellbeing and personal development. We want you to truly thrive with us, in work and out.

We can provide more information during the recruitment process.

We are committed to full transparency and compliance with all legal requirements, ensuring that every candidate knows exactly what to expect at each stage of the recruitment process. Once the process is successfully completed, we will share detailed information about financial conditions and benefits with the selected candidate. Before signing the employment contract, you will receive all remaining details of the offer, giving you the time and space to review everything carefully.

Applicable only for Poland location align with local law regulations

Apply now

Current employees apply here

Client-provided location(s): Krakow, Poland

Job ID: Hitachi_Energy-JID3-200089

Employment Type: FULL_TIME

Posted: 2026-06-15T23:45:42