Network & Security Operator (N1-24x7)

Description

Job Summary: We are seeking a Security Operations (SG) Operator for the Network Security & Connectivity unit, driving secure digital transformation with a focus on people, data, and innovation. Key Highlights: 1. Positive impact on the world through technology. 2. Design, implementation, and management of intelligent infrastructures. 3. Being part of a diverse and flexible team with continuous learning. Barcelona \- Posted on 25/6/2026 #### **Humanizing Technology.** We are a large company with a startup soul. We organize ourselves into expert knowledge units that collaborate closely with one another. Therefore, we seek **curious individuals**, who are **motivated by challenges and eager to grow both personally and professionally**, and who wish to join our team to have a **positive impact** on the world through technology. **ARE YOU READY TO TAKE ON THE CHALLENGE?** ------------------------ As a **Security Operations (SG) Operator**, you will join SEIDOR’s **Network Security & Connectivity unit**, where we drive secure digital transformation for organizations—combining over 25 years of expertise in networking, security, and connectivity with a holistic vision centered on people, data, and innovation. We design, implement, and manage intelligent infrastructures that connect, protect, and optimize technological environments—from the workplace and data center to hybrid or multicloud environments. Our team delivers end-to-end services covering consulting, design, deployment, operations, and automation of IT networks and security. **WHAT WILL YOU DO DAILY?** ------------------------------- Your responsibilities will include: * Completing all assigned internal basic general training programs. * Supporting NSOC Operators – Level 0 throughout their learning process. * Performing tasks assigned by the NSOC Technical Team Leader within the following areas: + Monitoring and operating monitoring systems to proactively handle alerts and resolve them. + Evaluating and triaging alerts for documentation and subsequent escalation to relevant support teams. + Handling assigned requests, changes, and incidents, ensuring compliance with service-level agreements (SLAs). + Managing and monitoring assigned tickets, documenting all related activities and updating statuses and priority levels in the ITSM tool. + Executing preventive actions to assess the status of systems within scope. + Preparing reports, procedures, and technical instructions. + Managing and supervising the NSOC-KB (Wiki). **WHAT DO WE EXPECT FROM YOU?** ------------------------- * **Education:** Successfully completed Medium-Level, Higher-Level, or University Degree studies. * **Languages:** Bilingual in Catalan and Spanish; basic English. * **Experience:** Minimum of 1 year in network or system operations and administration teams. * **Basic knowledge and demonstrable experience in at least 3 of the following areas:** + Switching & Routing. + Wireless. + Network Access Control (NAC), RADIUS, 802.1x. + DNS, DHCP, NTP, IPAM systems. + Firewalls. + Anti-Malware, Anti-Spam. + Intrusion Detection and Prevention Systems (IDS/IPS). * **Intermediate knowledge and demonstrable experience in the following areas:** + Microsoft client operating systems. + Microsoft server operating systems. + Linux operating systems. #### **WHAT WILL YOU FIND AT SEIDOR?** * **A diverse team.** We respect differences that make us more human. * **Team spirit.** We work collaboratively and learn from each other. * **Flexibility and work-life balance.** Remote work is in our DNA. We promote flexible working hours and offer shortened workdays on Fridays and during July and August. * **Continuous learning.** Training in languages, technical skills, certifications, etc. * **Personalized career development**, enabling you to decide how far you want to go. * **Autonomy**, along with the opportunity to propose and champion new initiatives. * **Flexible compensation program.** Nursery, meal, transportation vouchers, and private health insurance. * **Exclusive discounts and special conditions** on technology, leisure, travel, etc. * Opportunity to participate in **social and environmental initiatives**. * If you have international aspirations, **we operate in 45 countries**. **Join our team and help us humanize the world through technology!**