Network Security Automation Engineer

About the Position

We are looking for a Network Security Automation Engineer to join a technical team focused on building and improving network automation capabilities across a complex, multi-vendor infrastructure.

This role combines 70–80% automation and 20–30% networking, offering the opportunity to develop scalable automation solutions, streamline network operations and strengthen security, reliability and performance across enterprise environments.

Responsibilities

• Design and maintain network automation solutions using Python, Ansible and Jinja2
• Automate the provisioning and onboarding of network devices, including switches, routers, firewalls and wireless access points
• Develop reusable automation components, playbooks, templates and configuration workflows
• Integrate network automation with APIs, DNS, DHCP, certificate management and inventory systems
• Build GitLab CI/CD pipelines to validate network changes, run automated tests and support rollback procedures
• Monitor network performance, connectivity, routing and availability, developing automated remediation workflows
• Contribute to data centre network automation using Juniper VXLAN-EVPN and spine-leaf architectures
• Automate configuration backups, recovery procedures, failover checks and compliance reporting
• Work with network telemetry, monitoring and ITSM tools to improve operational visibility
• Maintain technical documentation, runbooks and automation standards
• Promote best practices in code quality, version control, security and continuous improvement

Requirements

• Proven experience in network automation within enterprise or service provider environments
• Strong Python development skills, particularly for network automation
• Hands-on experience with Ansible, Jinja2, YAML and JSON
• Familiarity with network automation libraries such as Netmiko, NAPALM, PyEZ, Nornir or Paramiko
• Experience with Git and CI/CD tools, such as GitLab CI, Jenkins or GitHub Actions
• Knowledge of network APIs and protocols, including REST APIs, NETCONF, RESTCONF and gNMI
• Strong understanding of Layer 2/Layer 3 networking, routing, switching and network security
• Experience with Linux administration, particularly Red Hat Linux, Bash and Shell scripting
• Knowledge of network monitoring and telemetry technologies, including SNMP, NetFlow or sFlow
• Experience working with multi-vendor environments

Nice to Have

• Experience with Juniper VXLAN-EVPN and data centre fabric automation
• Knowledge of Cisco, Juniper, Arista and Fortinet technologies
• Familiarity with network source of truth platforms and closed-loop automation
• Experience with ITSM systems, automated remediation and network compliance reporting

Apply for this position

Location: Porto, Portugal

Work Type: Hybrid

Experience Level: Senior

Employment Type: Full-time