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Codasip GmbH · IT - Administration

Network and Security Engineer

Czech Republic, Brno · Job Posted June 10, 2026
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Job Description

Codasip is seeking a Network and Security Engineer to assume a hands-on role in the execution, management, and security of our core network infrastructure. The successful candidate will focus on transitioning configurations to a highly segmented functional framework, securing critical internal infrastructure, and advancing documentation and automation workflows toward maximum operational efficiency. This position requires ensuring that day-to-day operations adhere to stringent security standards and support project environments requiring compliance with frameworks such as NIST SP 800-171.

Job Responsibility

  • Design, implement, maintain, and troubleshoot secure network infrastructure, including routers, switches, firewalls, and VPN systems
  • Implement and enforce security controls across defined network zones, including the DMZ and isolated compliance environments
  • Perform regular network monitoring, troubleshooting, and optimization to ensure maximum performance and uptime
  • Develop and implement network security policies, procedures, and controls to safeguard company assets and data
  • Conduct periodic security assessments and vulnerability scans to identify and remediate potential security risks
  • Collaborate with cross-functional engineering teams to define and implement network and security requirements for new projects and initiatives
  • Actively manage and evaluate network automation workflows utilizing tools such as Ansible and Git
  • Author and maintain comprehensive standard operating procedures, Layer 2 and Layer 3 network diagrams, and technical articles within Confluence

Requirements

  • Bachelor's degree in Computer Science, Information Technology, Cyber Security, or a related technical discipline
  • Minimum of one (1) year of professional, hands-on experience in network engineering
  • Comprehensive technical knowledge of TCP/IP, routing protocols, VLAN segmentation, VPNs, DNS, firewalls, and network access control architectures (802.1x, RADIUS)
  • Working knowledge of Linux operating systems and containerization technologies (e.g., Kubernetes)
  • Practical experience with enterprise-grade switch and firewall configurations (e.g., Cisco networking platforms) and VPN gateways

Nice to have

  • Industry certifications such as CCNA, CCNP, CCNP Security, or equivalent technical credentials
  • Familiarity with version control systems (e.g., Git), scripting languages, and configuration management tools (e.g., Ansible)
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