Network Engineer (Madrid - Hybrid)

Overview

The company : Our customer is an innovative company aiming to positively impact the planet and people’s lives by providing detailed information and insights about daily changes on the surface of the Earth to empower organizations and businesses to make better decisions. They have a startup mindset with solid funding fostering rapid growth, and you can grow with them!

They will hire the selected candidate as an internal and permanent employee, based in Madrid, but providing services to their global organization.

Description of the position

We’re looking for a Network Engineer for its global operations in Madrid. He / She will play a critical role in managing and optimizing the company’s network infrastructure.

The primary goal is to ensure that network connectivity is reliable, secure, and high-performance across all offices and services. This role involves designing and overseeing network topology and hardware, configuring and managing on-premises network devices, implementing Quality of Service (QoS) policies and VLAN segmentation, and establishing connectivity redundancy to prevent downtime. All responsibilities are to be carried out in alignment with ITIL best practices and other relevant industry frameworks, ensuring that network services are delivered in a structured and efficient manner. The specific terms and conditions of employment will be set out in a formal contract, in accordance with the laws of Spain.

Key Responsibilities and tasks

Manage Network Architecture & Topology Design : Plan and develop the network’s structure (LAN, WAN, Wi-Fi) to meet business needs, ensuring the design is scalable, secure, and well-documented.

Network Hardware Management : Install, configure, and maintain network devices (switches, routers, firewalls, access points) in the office and data center, keeping all equipment updated and running optimally.

Performance Monitoring & QoS : Use network monitoring tools to track performance and reliability. Implement Quality of Service policies to prioritize critical traffic, so important data (e.g., voice or video) isn’t delayed or dropped during congestion.

VLAN Configuration & Segmentation : Set up and manage Virtual LANs to segment network traffic for security and efficiency. Ensure different types of traffic are isolated appropriately and adjust segmentation as the company grows.

Connectivity Redundancy : Implement redundant links and failover paths to achieve high availability, ensuring the network stays up even if a primary connection or device fails.

ITIL-Compliant Operations : Follow ITIL processes for network changes and incidents. Use change management for network updates (planning, approval, communication) to minimize disruptions, and incident management to resolve outages systematically and document lessons learned.

Cross-Team Collaboration : Work closely with other IT teams and vendors / partners. Provide network support in projects and ensure external providers meet agreed service levels.

Documentation & Policy : Maintain up-to-date network documentation, including diagrams, device configurations, IP address inventories, and failover procedures. Develop standard operating procedures for routine tasks and troubleshooting.

Continuous Improvement : Regularly evaluate the network setup for improvements. Stay informed about new networking technologies and propose upgrades or optimizations that enhance performance, security, or efficiency.

Management Advisement : Provide recommendations to IT leadership on network capacity planning, infrastructure investments, and design improvements. Translate technical network metrics into business terms to support informed decision-making.

Security & Compliance : Work with the information security team to safeguard the network and ensure all network activities comply with company policies and relevant regulations.

Working Experience

3–5 years of hands-on experience in network engineering or a similar role. This includes experience in designing and managing enterprise networks (LAN / WAN) and configuring network equipment.

Tech skills

Troubleshooting : Excellent at diagnosing and resolving complex network issues quickly and under pressure.

Network Technology Expertise : Strong understanding of networking protocols and systems. Proficient with TCP / IP, routing (e.g., OSPF, BGP) and switching (VLANs, STP), and experienced with enterprise network hardware.

Network Security : Hands-on experience with network security devices and concepts. Preference for experience with Palo Alto Networks firewalls and familiarity with SASE solutions.

ITIL & Best Practices : Knowledge of ITIL or similar IT service management frameworks. Capable of following structured change control, incident response, and documentation practices.

Soft skills

Excellent problem-solving and analytical skills.

Global Mindset : Experience working in a multi-national environment or on international teams.

Team Collaboration : Strong interpersonal skills and a team-oriented attitude. Able to collaborate with colleagues across IT and communicate effectively with vendors or partners.

Communication : Clear and concise communicator, both verbally and in writing. Able to document network configurations and plans and explain technical issues to non-technical stakeholders.

Continuous Learning : Eagerness to stay updated on networking trends and emerging technologies.

Education and Training

Bachelor's Degree or vocational training qualification in information technology, telecommunications or a related field.

Certifications

Relevant certifications are a plus.

CCNA, etc.

Languages

Spanish : Very good Business Spanish required (excellent communication skills). B2 level.

English : Very good Business English required (excellent communication skills). B2 / C1 level.

Job Conditions

Job location : Tres Cantos (Madrid). European Union nationality otherwise EU / Spain work permit required as a prerequisite.

Employment Type : Permanent Full Time, as internal employee.

Salary : Depending on qualification and experience.

Work from home : Hybrid working model including the possibility of working from home (70%).

If you are interested, please apply here or send an email to network@montarelo.com including in the subject : ‘Network Engineer’ along with your English CV.

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