At Hays, we are looking for a Network Operations Engineer to support the daily operation, troubleshooting and continuous improvement of our OT network environment.

This is a hands-on operational role. The candidate must be able to work independently, analyse incidents in a structured way, and interact with different technical teams and stakeholders in an international environment.

What you will do

- Proven experience in network operations, ideally in complex enterprise or industrial environments.
- Strong troubleshooting skills across multiple layers:
- Handle daily network operations activities, including incidents, service requests, changes and troubleshooting.
- Investigate connectivity issues across the full network path, not only at firewall level.
- Support troubleshooting of site-to-datacenter connectivity, VPNs, routing, switching, WAN links and firewall policies.
- Analyse incidents using monitoring tools, logs, ticket information and technical documentation.
- Assess impact and urgency of incidents, including major/P1 situations.
- Communicate clearly with internal teams, service owners and stakeholders during incident handling.
- Document findings, actions taken, technical decisions and handover information.
- Support network changes following agreed change management processes.
- Work with senior engineers, architects and other teams,



but without requiring constant supervision.
- Contribute to improving operational documentation, troubleshooting guides and handover material.

What we are looking for

- Proven experience in network operations, ideally in complex enterprise or industrial environments.
- Strong troubleshooting skills across multiple layers:
- firewalls
- routing
- switching
- WAN connectivity
- VPN/IPsec
- monitoring and logs
- Experience with firewalls, ideally Palo Alto, but equivalent experience with Fortinet, Cisco ASA/FTD, Check Point or similar is also relevant.
- Good understanding of routing and switching fundamentals.
- Experience working with ticketing systems such as ServiceNow, Jira or similar.
- Experience with operational processes: incident management, change management, escalation, documentation and handover.
- Ability to understand business/service impact, not only technical symptoms.
- Ability to work in English in a distributed international team Proactive and accountable.

What We Offer

- Permanent contract through Hays.
- Hybrid working model, with two days per week on-site at the office in Madrid.
- Competitive salary package.
- Join a stable, innovation‑driven company with a long‑term mindset

? If you are interested in working in an international environment, we would love to hear from you.

📌 Network Operations Engineer_- ENGLISH - castro
🏢 Hays
📍 Castro