Senior Network Operations Engineer (NSO)

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.  

We are looking for a Senior Network Operations Engineer to join an operational team within a highly critical enterprise environment. This role is ideal for professionals with strong hands-on experience in network operations and troubleshooting, who are comfortable working in complex, large-scale, and technologically diverse infrastructures.

Your Responsibilities:

• Monitor and operate a large-scale enterprise network distributed across multiple sites
• Provide 2nd line technical support and contribute to Network Service Operations (NSO) activities
• Support network installations and migrations (WLAN, LAN, WAN)
• Execute configuration changes (proactively after approval or upon request)
• Apply patches and vendor-recommended fixes
• Troubleshoot and resolve incidents identified through monitoring and management platforms
• Perform advanced troubleshooting in complex network environments
• Collaborate with internal teams and stakeholders to ensure service continuity and performance

• Minimum of 5 years of experience in enterprise networking
• Proven experience in network operations, support, and troubleshooting within critical environments
• Strong knowledge of:
  • IP networking (IPv4 and IPv6)
  • DNS – Domain Name System
  • IP Security Protocol
  • Data Networks and Next Generation Networks (NGN)
• Familiarity with network monitoring and management tools
• Hands-on experience in multi-site and distributed infrastructures
• Strong analytical and problem-solving skills
• High level of autonomy and accountability in daily operations
• Ability to manage priorities in demanding environments
• Clear communication and customer-oriented mindset
• Team-oriented with a collaborative approach

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