Senior Network Automation Engineer

DataSmart; Porto; Hybrid; EUR 60,000 - 100,000; Full time

Job summary

DataSmart in Porto seeks a Senior Network Automation Engineer to design, develop, and maintain production-grade automation frameworks using Ansible and Python in a hybrid Porto setup.

You will build end-to-end automation workflows for provisioning, configuration changes, validation, reporting, and rollback across multi-vendor environments including Juniper, Arista, Cisco, Fortinet, and Check Point. Emphasis on NetBox, Jinja2, YAML, and CI/CD with GitLab/Jenkins.

Qualifications

• Hands-on experience designing and building complete network automation frameworks using Ansible and Python.
• Proven ability to develop reusable, scalable automation solutions rather than scripts.
• Advanced knowledge of Ansible roles, inventories, modules, and Ansible Automation Platform (AAP).
• Strong Python development skills, including APIs, logging, error handling, and testing.
• Experience with Nornir, Netmiko, NAPALM, PyEZ, NETCONF/RESTCONF/gNMI, and related tools.
• Experience with NetBox, Jinja2, YAML/JSON schemas, and dynamic inventory management.
• Solid knowledge of GitLab CI/Jenkins, Git workflows, and CI/CD practices.
• Experience with pytest, Molecule, ansible-lint, yamllint, and code-quality tooling.
• Understanding of multi-vendor networks (Juniper, Arista, Cisco, Fortinet, Check Point) and routing fundamentals.

Responsibilities

• Design, develop, and maintain production-grade network automation frameworks using Ansible and Python.
• Build end-to-end automation workflows for provisioning, config changes, validation, reporting, and rollback.
• Develop reusable Ansible roles, collections, modules, plugins, and dynamic inventories.
• Create Python libraries and CLI tools using Nornir, Netmiko, NAPALM, PyEZ, and network APIs.
• Manage source-of-truth data using NetBox, YAML/JSON schemas, and Jinja2 templates.
• Orchestrate workflows through Ansible Automation Platform (AAP) with pre-checks, approvals, deployment, and rollback.
• Implement safe deployment mechanisms, configuration diffs, state snapshots, and drift detection.
• Build and maintain GitLab CI/Jenkins pipelines for automated testing and deployment.
• Integrate automation workflows with ITSM/JIRA, Infoblox, secrets management, and notification systems.
• Develop automated compliance checks, remediation workflows, and infrastructure hardening.
• Implement structured logging, audit trails, and dashboards (Grafana/Coralogix).
• Automate backups, recovery procedures, and high-availability validation.
• Support multi-vendor environments and troubleshoot automation vs. network issues.

Skills

Ansible design

Python development

Network automation

Multi-vendor networks

CI/CD practices

GitLab CI/Jenkins

Nornir

Netmiko

NAPALM

PyEZ

NetBox

Jinja2

YAML/JSON schemas

RESTCONF/gNMI

Ansible Platform

ITSM/JIRA integrations

Tools

Ansible

Python

Nornir

Netmiko

NAPALM

PyEZ

NETCONF/RESTCONF/gNMI

NetBox

Jinja2

YAML/JSON

GitLab CI/Jenkins

Ansible Automation Platform

ITSM/JIRA integrations

Grafana/Coralogix

Job description

Tel.: [phone] - Lisboa
Tel.: [phone] - Braga
Fax: [phone]
(Chamada para a rede fixa nacional) (Call to the national fixed network)

About Us:DataSmartis a Portuguese company, positioning itself as a consulting company of excellence, with over 20 years of existence. We are specialized in Technologies and Information Systems services, for the Portuguese and International markets. We pride ourselves on fostering a culture of involvement, experience, and excellence.

Join our team as a Senior Network Automation Engineer(Hybrid – Porto)

What You’ll Do:

• Design, develop, and maintain production-grade network automation frameworks using Ansible and Python
• Build end-to-end automation workflows for provisioning, configuration changes, validation, reporting, and rollback
• Develop reusable Ansible roles, collections, custom modules, plugins, and dynamic inventories
• Create Python libraries and CLI tools using Nornir, Netmiko, NAPALM, PyEZ, and network APIs
• Manage source-of-truth data using NetBox, schema-validated YAML/JSON, and Jinja2 templates
• Orchestrate workflows through Ansible Automation Platform (AAP), including pre-checks, approvals, deployment, post-checks, and automatic rollback
• Implement safe deployment mechanisms, configuration diffs, state snapshots, and drift detection
• Build and maintain GitLab CI/Jenkins pipelines for automated testing, validation, and deployment
• Integrate automation workflows with ITSM/JIRA, Infoblox, secrets management, and notification systems
• Develop automated compliance checks, remediation workflows, and infrastructure hardening processes
• Implement structured logging, audit trails, compliance reporting, and Grafana/Coralogix dashboards
• Automate configuration backups, recovery procedures, and high-availability validation
• Support multi-vendor network environments, including Juniper, Arista, Cisco, Fortinet, and Check Point
• Troubleshoot network and automation issues, ensuring reliable and secure infrastructure operations.

Qualifications:

• Strong hands‑on experience designing and building complete network automation frameworks using Ansible and Python
• Proven ability to develop reusable, scalable, production‑grade automation solutions rather than standalone scripts
• Advanced knowledge of Ansible roles, collections, inventories, custom modules, plugins, and Ansible Automation Platform (AAP)
• Strong Python development skills, including libraries, CLI tools, APIs, error handling, logging, and automated testing
• Experience with Nornir, Netmiko, NAPALM, PyEZ, NETCONF, RESTCONF, gNMI, or equivalent network automation tools
• Experience with NetBox, Jinja2, YAML/JSON schemas, and dynamic inventory management
• Solid knowledge of GitLab CI/Jenkins, Git workflows, version control, and CI/CD practices
• Experience with pytest, Molecule, ansible‑lint, yamllint, ruff, mypy, or equivalent testing and code‑quality tools
• Experience implementing automated validation, configuration rollback, drift detection, and compliance checks
• Knowledge of network infrastructure APIs and integrations with ITSM/JIRA, Infoblox, and secrets management solutions
• Strong understanding of multi‑vendor network environments, particularly Juniper, Arista, Cisco, Fortinet, and Check Point
• Solid networking knowledge, including BGP, OSPF, VLANs, STP, LACP, EVPN, and multicast fundamentals
• Experience with firewall policy management, network segmentation, security hardening, and configuration management
• Strong troubleshooting skills, with the ability to distinguish automation failures from underlying network issues
• Ability to work autonomously, take ownership of technical solutions, and collaborate effectively with infrastructure and security teams

AtDataSmart, you will have the opportunity to integrate into a solid company and participate in projects of high recognition, nationally and internationally, with an appealing technological environment and career progression.

Excellence in the way to the future!

Connect with Us: Follow us on LinkedIn for updates on career opportunities, company news, and industry insights! For further details, visit us at www.datasmart.pt

#JoinOurTeam #DataSmart #ThinkDataBeSmart #NetworkAutomation #Ansible #Python #NetworkEngineering #InfrastructureAutomation

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We are waiting for you!