Business Insightsis a Software Engineering company specialized in custom software development, with its own AI product and a strong focus on Talent Tech.We are currently experiencing a period of growth and are looking for aSenior Network Engineer L3to join an international technology project focused on enterprise networking, infrastructure reliability and network security.We would love you to become part of our software engineering team, where you will have the opportunity to grow professionally, collaborate with talented people and work on innovative technology projects.You will also have the opportunity to work with leading organizations across different industries, strengthening your technical expertise and contributing to modern, scalable solutions.What will be your mission?You will be responsible formaintaining, troubleshooting and optimizing complex enterprise network infrastructures, ensuring high availability, performance and security.You will act as aLevel 3 technical expert, resolving critical incidents, performing root cause analysis and supporting network architecture improvements.What will you do?ProvideL3 supportfor complex network incidents and infrastructure issues.Troubleshoot and optimize enterprise networks usingCisco, Juniper and other networking technologies .Manage and troubleshoot routing protocols includingBGP, OSPF, EIGRP and MPLS .PerformRoot Cause Analysis (RCA)for critical incidents.Support network upgrades, migrations, architecture improvements and security implementations.Manage network monitoring tools and improve operational visibility.Automate routine networking tasks and maintain technical documentation.Collaborate with international technical teams on infrastructure projects.To succeed in this role,



it is important to have8+ years of experiencein Network Engineering, preferably in enterprise or service provider environments.Advanced knowledge ofTCP/IP, BGP, OSPF, EIGRP and MPLS .Hands-on experience withCisco and/or Juniper network equipment .Experience withfirewalls, VPNs and network security technologies .AdvancedL3 troubleshooting, fault isolation and root cause analysisskills.Experience with network monitoring tools such asSolarWinds, PRTG, Nagios or Cisco Catalyst Center (DNAC) .Knowledge ofnetwork automation, SDN/NFV and scripting concepts .Experience supporting critical network infrastructures.Strong communication, problem-solving and stakeholder management skills.Degree in Computer Science, Telecommunications or equivalent experience.Valued:Cisco CCNP/CCIE, Palo Altoor equivalent certifications.Experience withPython and Ansiblefor network automation.Knowledge ofCisco ISE, Aruba and Palo Altotechnologies.Experience withCloud Networking (AWS, Azure or GCP) .Knowledge ofData Center Networking, VMware or Hyper-V .Experience withVoIP and Unified Communications .Previous involvement in large-scale network migrations.What can you expect from being part of our team?Work on stable and challenging technology projects that support your professional growth.Location: Barcelona.HybridInternational and collaborative working environment.Competitive salary.Versátil working hours.Intensive working hours during summer.Opportunities for continuous learning and professional development.On-call rotation:Maximum one week per month, from Tuesday at 10:00 AM GMT to the following Tuesday, including the weekend.Availability for business travel is required.And… plenty of motivation to keep learning!#J-18808-Ljbffr

📌 Senior Network Engineer– Cisco & Enterprise Networks | Barcelona (Madrid)
🏢 Business Insights
📍 Madrid