Network Administrator

🚀 We’re Hiring: Juniper Network Expert / Senior Network Engineer

🌍 Enterprise & Service Provider Environment | Global Projects | Multi-Vendor Networks

Location: Greater Madrid Metropolitan Area, Spain

We are looking for a highly skilled and experienced Juniper Network Expert to join a fast-paced enterprise/service provider environment. If you have deep hands-on expertise with Juniper technologies, strong troubleshooting abilities, and experience managing complex large-scale networks, this opportunity could be a great fit.

🔹 Position: Juniper Network Expert / Senior Network Engineer

🔹 Experience: 5–10+ Years

🔹 Employment Type: Contract / Freelance / Long-Term Opportunity

🔹 Work Environment: Enterprise / Telecom / Service Provider

🔹 Shift: May include 24/7 or rotational support depending on project requirements

🛠️ Key Responsibilities:

✔ Design, configure, and support enterprise & service provider network infrastructure

✔ Manage Juniper MX, EX, and SRX platforms

✔ Configure and troubleshoot BGP, OSPF, IS-IS, MPLS, VPNs, and WAN connectivity

✔ Implement Layer 2 / Layer 3 networking including VLANs, STP, and routing integration

✔ Configure firewall policies, NAT rules, and security controls on Juniper SRX

✔ Monitor network performance, availability, and capacity

✔ Troubleshoot complex network incidents, outages, and performance issues

✔ Perform network upgrades, patching, and configuration management

✔ Collaborate with IT, security, cloud, and infrastructure teams

✔ Maintain technical documentation, diagrams, and operational procedures

🎯 Required Skills:

✅ Strong expertise in Juniper Junos OS

✅ Hands-on experience with MX, EX, and SRX series

✅ Strong knowledge of BGP, OSPF, IS-IS, MPLS

✅ Experience with IPSec, SSL VPN, GRE, and WAN technologies

✅ Deep understanding of network security & firewall administration

✅ Experience with enterprise network monitoring and troubleshooting tools

✅ Ability to work under pressure in critical production environments

🎓 Preferred Certifications:

🏅 JNCIA-Junos

🏅 JNCIS (Enterprise / Security)

🏅 JNCIP (Enterprise / Service Provider)

🏅 CCNA / CCNP (Cisco knowledge is a plus)

🚀 Nice to Have:

➕ Network Automation (Python / Ansible)

➕ SDN & Cloud Networking (AWS / Azure)

➕ Carrier-grade MPLS network experience

➕ Multi-vendor environment exposure (Cisco, Palo Alto, Fortinet)