Product Penetration Tester | Krakow, Poland

Hitachi ABB Power Grids; Kraków; On-site; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Private medical care

Life insurance

Fitness and wellness programs

Benefits platform with discounts

Equipment for home office

Spectacles allowance

Company events

Psychological support

Free parking

Job summary

Hitachi Energy Kraków is seeking a skilled security researcher to join the Cybersecurity Assurance Center. You will perform penetration tests across hardware, software, cloud and mobile products, identifying vulnerabilities and helping implement secure-by-design practices.

You will work closely with engineers, develop cryptography-related tooling, and leverage Metasploit and other reverse‑engineering tools, in a multinational, collaborative environment. Proficiency in English is essential.

Qualifications

• Penetration tests across hardware, software, cloud and mobile.
• Gather and document research on industry technologies.
• Prepare reports and internal documentation of findings.
• Participate in technical meetings and knowledge sharing.

Responsibilities

• Perform penetration testing across Hitachi Energy products.
• Identify vulnerabilities and assist in secure-by-design implementation.
• Develop and refine security tools for cryptography and reverse engineering.
• Collaborate with engineers and cross-functional teams.
• Produce technical reports with clear remediation recommendations.

Skills

Penetration testing

Security research

Documentation

Meetings / stakeholder communication

English communication

Reverse engineering

Scripting (Python)

Cryptography knowledge

Hardware exploitation techniques

RF/Bluetooth/NFC security testing

Tools

Metasploit

LLM-assisted tooling

Reverse engineering tools

Fuzzing tools

UART/JTAG/I2C debugging

Job description

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.

How you'll make an impact

• 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

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.

We are a global leader in electrification, powering the electricity era to meet the energy demands of today, and the next 25 years. As the energy arm of Hitachi Group, over three billion people depend on our pioneering, mission‑critical technologies to power their daily lives.

With over a century of innovation, we are addressing the most urgent energy challenge of our time: driving the evolution of the world’s energy system to ensure abundant, secure, affordable, and sustainable power for today’s generation and the next.

With an unparalleled installed base in over 140 countries, we are the grid ecosystem partner across the utility, industry, data center, and transportation sectors. Headquartered in Switzerland, we employ over 56,000 people in 60 countries and generate revenues of around $20 billion USD.