Network Engineer

Sharp Brains Solutions; Amsterdam; On-site; EUR 90,000 - 130,000; Full time

Job summary

Sharp Brains Solutions is seeking a highly skilled Juniper Network Expert to join our enterprise/service provider environment in Amsterdam. You will design, configure, and support complex Juniper-based networks and collaborate with IT, security, cloud, and infrastructure teams.

Key requirements include hands-on Juniper Junos OS expertise, MX/EX/SRX experience, and strong knowledge of BGP, OSPF, IS-IS, MPLS, and VPNs. CCNA/CCNP or JNCIS/ JNCIP preferred, and certifications are a plus.

Qualifications

• Strong expertise in Juniper Junos OS.
• Hands-on experience with MX, EX, and SRX platforms.
• Deep knowledge of BGP, OSPF, IS-IS, MPLS, VPN technologies.
• Experience with IPSec, SSL VPN, GRE, and WAN technologies.
• Deep understanding of network security and firewall administration.

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.

Skills

Juniper Junos OS

MX/EX/SRX hardware

BGP OSPF IS-IS MPLS

IPSec SSL VPN GRE WAN

Network security & firewall

Network monitoring & troubleshooting

Job description

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.

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

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

Qualifications

• 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

  Preferred Certifications

  • JNCIS (Enterprise / Security)
  • JNCIP (Enterprise / Service Provider)
  • CCNA / CCNP (Cisco knowledge is a plus)

  Nice to Have

  A proactive network professional with strong analytical and troubleshooting skills who can manage mission‑critical infrastructure in enterprise or telecom environments.