Security Test Engineer

Technologies we use

About the project

Your responsibilities

• Execute white-box and black-box security testing as part of a structured product security validation program.
• Perform security assessments of industrial products and systems, including firmware, communication protocols, and device interfaces.
• Conduct protocol-level testing and validate industrial communication mechanisms.
• Analyze firmware and software binaries to identify security weaknesses, including reverse engineering activities when required.
• Design and execute fuzz testing and negative testing scenarios targeting device interfaces and communication protocols.
• Identify, validate, and document security vulnerabilities, including the creation of proof-of-concept (PoC) exploits when appropriate.
• Perform basic hardware-level security validation, including analysis of debug interfaces and physical access scenarios.
• Analyze test results, triage findings, and support root cause analysis together with development teams.
• Contribute to the development and maintenance of automated security testing frameworks and scripts, primarily in Python.
• Research emerging vulnerabilities, attack techniques, and threat trends relevant to industrial products and environments.

Our requirements

• Bachelor’s degree in Computer Science or a related field.
• Hands-on experience with programming or scripting languages, preferably Python.
• Solid understanding of computer networking, including configuration and troubleshooting.
• Familiarity with software security testing methodologies, including fuzz testing, negative testing, and white-box/black-box testing.
• English communication skills min. B2

Optional

• Experience with reverse engineering tools such as IDA Pro, Ghidra, or Radare2.
• Knowledge of industrial communication protocols, including Ethernet/IP and CIP.
• Experience testing embedded systems, firmware, or hardware devices.
• Knowledge of security testing tools such as Burp Suite and Wireshark.

What we offer

• Contract type: B2B
• Rate: 140–165 PLN net/hour
• Work model: Hybrid (1 day per week from the office in Katowice)
• Benefits: private medical care, life insurance, Multisport card

Benefits