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)