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)