Network System Engineer
Pubblicato il 04-10-2026 - TXT GROUP in Roma
TXT e-Tech, a TXT Group company, is seeking a Network System Engineer with at least six years of experience in troubleshooting network and security issues, as well as in product development—from requirements definition through field testing—using state-of-the-art methodologies and tools.
Main Responsibilities:
• Design, setup, and operation of testbeds dedicated to verifying networking functionality, with particular focus on PTP (Precision Time Protocol)-based synchronization mechanisms, network link redundancy architectures, and Layer 2 and Layer 3 communication functionality;
• Setting up the test environment, executing test campaigns, and analyzing the results obtained;
• Supporting requirements engineering by defining system and subsystem requirements related to the networking architecture, ensuring the proper allocation and flow-down to the subsystems involved;
• Integration of cybersecurity requirements, ensuring consistency among the functional, performance, and security aspects of the architecture;
• Definition and validation of the configuration of network subsystems,
including devices such as routers and firewalls, as well as hosts running Linux operating systems;
• These activities are carried out both by working directly on live systems and through simulation environments, in order to verify the correct behavior of the infrastructure under various operating conditions;
• Conducting impact analyses (assessments) aimed at achieving Common Criteria certification, including an evaluation of the effects of architectural and implementation choices on security requirements, documentation, and the certification process.
Technical Requirements:
Knowledge of the following networking technologies:
• CISCO CLI;
• VLAN;
• NTP;
• Firewall (including iptables);
• Routing protocols;
• Network redundancy protocols;
• CLI;
• Bash scripting;
• Linux networking;
• Virtualization;
• Documentation standards (e.g., MIL-STD-498);
• Doors NG.
Education: Bachelor's and/or M