Senior Network Engineer

Inetum2

Lisbon, Lisbon, Portugal permanent

Posted: September 30, 2025

Required Skills

Job Description

Inetum is a European leader in digital services. Inetum’s team of 28,000 consultants and specialists strive every day to make a digital impact for businesses, public sector entities and society. Inetum’s solutions aim at contributing to its clients’ performance and innovation as well as the common good.  

Present in 19 countries with a dense network of sites, Inetum partners with major software publishers to meet the challenges of digital transformation with proximity and flexibility.  

Driven by its ambition for growth and scale, Inetum generated sales of 2.5 billion euros in 2023.  

Objective:

Integration into the technology development team, responsible for evolving the IP transport network — both in terms of infrastructure and services. This includes validating new technology versions (software and hardware), as well as developing fixed and mobile services across B2B, B2C, and Wholesale segments.

The role requires a Senior Network Engineer profile with the ability and mindset to explore and develop emerging technologies

Your Responsibilities:

• Implement solutions in a controlled lab environment
• Execute validation tests and perform technical troubleshooting
• Collect and analyze technical outputs, contributing to the documentation of results
• Create and update technical documentation (e.g., high/low level design, service specifications, information system specifications)

• Over 4 years of experience as a Network Technician (Protocols and Platforms) or in similar roles, with proven knowledge of complex infrastructures
• Solid understanding of IP Networks and Telecommunications (IPv4/IPv6, TCP/IP, Multicast)
• Hands-on experience with protocols such as HTTP, FTP, SSH, SMTP, SNMP, UDP, and ICMP
• Proficient in programming languages and data formats: Python, Perl, PHP, REST, JSON, XML
• Skilled in tools such as MS Office, MS Visio, Ansible, Wireshark, NetFlow, SNMP, Nagios, Zabbix, Prometheus, and Grafana
• Operating systems: Linux, Microsoft Windows (7, 8, 8.1, 10, 13)
• Familiar with platforms such as Red Hat OpenShift and Oracle
• Experience with network equipment: Routing & Switching (ALU, Cisco), Fortinet Firewalls
• Knowledge of MPLS and monitoring protocols
• Strong analytical skills and attention to detail
• Passion for technical and lab-based environments
• Excellent documentation and organizational abilities
• Team-oriented and results-driven mindset
• CCNP Service Provider certification is a plus

• Workplace type: Hybrid (max. of 3 times per week in the office)
• Location: Picoas, Lisboa

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