Senior Network Test Engineer

Join a global technology company specializing in industrial automation and networking solutions. The team develops and validates advanced communication systems used in industrial environments worldwide. As a Senior Network Test Engineer, you will work on testing and validating industrial networking solutions, building test environments, and ensuring reliability and stability of communication systems. The role combines networking expertise, system testing, and hands-on work with hardware devices in international engineering projects. Key responsibilities: • Execute functional and system testing for industrial networking solutions • Build and maintain test environments for industrial Ethernet networks • Validate network topologies and protocols such as STP and DLR • Analyze issues, troubleshoot network behavior, and document findings • Collaborate with development teams to investigate and verify defects • Create and maintain test cases and technical documentation • Support improvements in testing processes and infrastructure Ideal candidate profile: • At least 5 years of experience in networking, network testing, or system testing • Strong understanding of computer networks and communication protocols • Experience with enterprise networking technologies and troubleshooting • Knowledge of protocols and technologies such as STP, VLANs, DLR, routing, or switching • Hands-on experience with networking devices and laboratory environments • Understanding of industrial or automation environments is a plus • Very good English communication skills • CCNA or CCNP certification (nice to have) • Knowledge of wireless technologies such as LTE, Wi-Fi, or 5G (nice to have) Conditions: • Form of cooperation: B2B contract • Salary: 120 - 140 PLN net/h • Hybrid work model - 3 days per week from the Katowice office • Benefits: private medical care, life insurance, Multisport card Recruitment steps: • Phone call with Recruiter (20 - 30 min.) • Interview with the client • Feedback and decision