Senior Service Provider Network Engineer – IP Core & Aggregation - freelance - hybrid - Warsaw, Poland
⚲ Warszawa
8 400 - 10 500 EUR netto (B2B)
Wymagania
- OSPF
- BGP
- CG-NAT
- IS-IS
- ISP
- BNG
- mpls
- Cisco
- Juniper
Opis stanowiska
Special Considerations
We are committed to building an inclusive workplace and encourage applications from women and other under-represented groups in tech. All qualified candidates are welcome.
• Start date: April 2026
• Location: Warsaw, Poland (hybrid)
• Languages: Native Polish and fluent English
Job Description
Experienced Service Provider Network Engineer to design, implement, and operate large-scale IP Core and Aggregation networks. The role focuses on high-availability SP environments, including BNG, CG-NAT, and traffic engineering/assurance platforms such as Juniper Paragon.
Experience with Data Center Fabric for NG-PoP environments is a strong plus.
Key Responsibilities
• Design, implementation, and operation of IP Core and Aggregation networks in a Service Provider environment
• Engineering and lifecycle management of BNG (Broadband Network Gateway) platforms
• Deployment and operation of CG-NAT solutions at scale
• Configuration and optimization of routing protocols (BGP, IS-IS, OSPF)
• Capacity planning, traffic optimization, and resiliency design
• Integration and usage of Juniper Paragon (JRD) for traffic engineering, visibility, and automation
• Troubleshooting complex network incidents across core, aggregation, and edge layers
• Collaboration with architecture, operations, and service teams
• Documentation of designs, configurations, and operational procedures
Required technical skills
• Strong experience in Service Provider IP networks
• Proven expertise in:• IP Core & Aggregation architectures
• BNG platforms
• CG-NAT solutions
• Solid routing knowledge: BGP, IS-IS, OSPF, MPLS
• Experience with Juniper routing platforms (MX, PTX, etc.)
• Hands-on operational and troubleshooting skills in production SP networks
• Strong understanding of high availability and scalable network design
Nice to have
• Experience with Juniper Paragon (JRD)
• Knowledge of Data Center Fabric architectures (EVPN/VXLAN, Clos, Leaf-Spine)
• Exposure to NG-PoP or Telco cloud environments
• Automation and scripting (Python, Ansible)
• Experience working in Tier-1 / Tier-2 ISP environments
Soft Skills
• Strong analytical and problem-solving skills
• Ability to work independently in complex environments
• Clear communication skills in Polish and English
• Comfortable working with cross-functional technical teams
• Production-oriented mindset with attention to stability and quality
We are committed to building an inclusive workplace and encourage applications from women and other under-represented groups in tech. All qualified candidates are welcome.
• Start date: April 2026
• Location: Warsaw, Poland (hybrid)
• Languages: Native Polish and fluent English
Job Description
Experienced Service Provider Network Engineer to design, implement, and operate large-scale IP Core and Aggregation networks. The role focuses on high-availability SP environments, including BNG, CG-NAT, and traffic engineering/assurance platforms such as Juniper Paragon.
Experience with Data Center Fabric for NG-PoP environments is a strong plus.
Key Responsibilities
• Design, implementation, and operation of IP Core and Aggregation networks in a Service Provider environment
• Engineering and lifecycle management of BNG (Broadband Network Gateway) platforms
• Deployment and operation of CG-NAT solutions at scale
• Configuration and optimization of routing protocols (BGP, IS-IS, OSPF)
• Capacity planning, traffic optimization, and resiliency design
• Integration and usage of Juniper Paragon (JRD) for traffic engineering, visibility, and automation
• Troubleshooting complex network incidents across core, aggregation, and edge layers
• Collaboration with architecture, operations, and service teams
• Documentation of designs, configurations, and operational procedures
Required technical skills
• Strong experience in Service Provider IP networks
• Proven expertise in:• IP Core & Aggregation architectures
• BNG platforms
• CG-NAT solutions
• Solid routing knowledge: BGP, IS-IS, OSPF, MPLS
• Experience with Juniper routing platforms (MX, PTX, etc.)
• Hands-on operational and troubleshooting skills in production SP networks
• Strong understanding of high availability and scalable network design
Nice to have
• Experience with Juniper Paragon (JRD)
• Knowledge of Data Center Fabric architectures (EVPN/VXLAN, Clos, Leaf-Spine)
• Exposure to NG-PoP or Telco cloud environments
• Automation and scripting (Python, Ansible)
• Experience working in Tier-1 / Tier-2 ISP environments
Soft Skills
• Strong analytical and problem-solving skills
• Ability to work independently in complex environments
• Clear communication skills in Polish and English
• Comfortable working with cross-functional technical teams
• Production-oriented mindset with attention to stability and quality