Network Operations Center (NOC) Technician

  • Permanent
  • Full time
  • 08037, Barcelona, Cataluña, Spain

Shift pattern: Rotating shifts (these may include nights, weekends, and public holidays)
Location: Barcelona HQ (with occasional remote)
Department: Lifecycle Services – Managed Network Operations


About infraone

infraone’s purpose is to protect the critical infrastructure modern life depends on—from factories that produce essential goods to utilities and water supply—by providing world-class cybersecurity and network services to operational-technology (OT) environments .

Born from an engineering company in 2011, we have delivered 700+ cybersecurity and IT/OT infrastructure projects and maintain 24 × 7 support for leading manufacturers across Europe . Guided by the values of Ownership, Customers First, Trust, Ambition, and Excellence , we are building Europe’s leading OT-cybersecurity services firm.


The Opportunity

As a Level 1 NOC Technician you will be part of our follow-the-sun operations team. Your mission is to monitor, troubleshoot, and restore network services that keep our customers’ plants, labs, and critical infrastructure running securely and without interruption.


Key Responsibilities

  • Continuous monitoring of LAN/WAN, Wi-Fi, firewalls, VPNs, and other network assets via dashboards and alerting tools
  • First-line diagnosis and resolution of connectivity incidents (VLAN, DHCP, DNS, basic routing/switching)
  • Execute standard changes (e.g., user access, guest Wi-Fi, basic policy updates) under run-books and change-control procedures
  • Capture, classify, and update tickets; escalate to L2/L3 or field teams when required, ensuring accurate hand-over between shifts
  • Perform daily service checks on critical systems and produce shift reports
  • Maintain asset inventories and technical documentation
  • Collaborate with Cyber-SOC and Infrastructure teams during security or performance events


Minimum Qualifications

  • Vocational training or Associate Degree in Networks / Systems Administration (or equivalent hands-on experience)
  • Working knowledge of TCP/IP, switching & routing fundamentals, and basic network services (DNS, DHCP, VPN)
  • Familiarity with ticketing and monitoring platforms
  • English B2 (written & spoken); Spanish a plus


Nice-to-Have

  • Vendor certifications (e.g., CCNA, Fortinet NSE 4, Palo Alto ACE)
  • Scripting or automation exposure (Python, Ansible)
  • Experience in industrial / OT networks


What Makes You Successful Here

We look for clear, assertive communicators who put the customer first, keep a cool head under pressure, pay close attention to detail, and enjoy working shoulder-to-shoulder with multidisciplinary teams .


Benefits & Development

  • Permanent contract with competitive salary
  • Flexible compensation package (meal vouchers, childcare, private health insurance)
  • Continuous training on leading platforms such as Fortinet, Palo Alto, and Cisco
  • Career path toward L2/L3 engineering, OT-Cyber SOC, and architecture roles within Infraone’s Lifecycle Services


How to Apply

Send us your résumé and a short note about why you’re excited to join us!

Join us and help safeguard the networks that power modern life—one packet at a time.