Position Overview
We are seeking an experienced Network Engineer with strong expertise in 4G/5G core networking technologies to support testing, deployment, optimization, and upgrade activities in a complex telecommunications environment. This is a long-term consulting engagement requiring collaboration with engineering teams, participation in network testing initiatives, production deployment support, and network design consultations.
The ideal candidate will possess deep knowledge of 4G/5G core technologies, cloud-native networking, network virtualization, and advanced routing protocols. The engineer will work PST business hours and partner closely with project stakeholders to ensure successful delivery and operational excellence.
Key Responsibilities
- Support lab and production testing activities for core network technologies.
- Execute and document network testing plans, reporting findings and recommendations.
- Participate in customer and stakeholder meetings to understand testing objectives and operational requirements.
- Design and implement lab upgrades, network enhancements, and new feature deployments.
- Develop migration guides and support lab-to-production transition activities.
- Provide technical consultation on network architecture, scalability, resiliency, performance, and Quality of Service (QoS).
- Support network change management activities, including impact analysis and implementation reviews.
- Assist with troubleshooting and production deployment support during major network changes.
- Participate in recurring technical meetings and service reviews.
- Create and maintain technical documentation, test reports, migration guides, and operational deliverables.
- Provide knowledge transfer and informal technical training when required.
Required Technical Skills
4G/5G Wireless & Core Network Expertise
- Deep understanding of 4G and 5G technologies.
- Strong knowledge of:
- 3GPP / 3GPP2 standards
- 5G Standalone (SA) and Non-Standalone (NSA) architectures
- Service-Based Architecture (SBA)
- Service Mesh
- Network Functions:
- AMF
- SMF
- UPF
- PCF
- Network slicing
- VPP
- Data modeling techniques including fragmentation, peer-to-peer (P2P), and content filtering.
Cloud-Native & Virtualization
- Network Function Virtualization Infrastructure (NFVI).
- Virtualization technologies.
- Cloud-native networking deployments.
- Hands-on experience with:
- Kubernetes
- Docker
- OpenShift
- Microservices architectures.
Networking Fundamentals
Strong Layer 2 and Layer 3 networking experience, including:
- BGP
- BFD
- IS-IS
- OSPF
- Static routing.
Automation & Systems Engineering
- Network test automation experience.
- Python 3 development/scripting.
- Unix/Linux administration.
- Shell scripting.
- Performance testing and scaling expertise.
- System engineering experience.
- Understanding of telecom call models and network performance optimization.
Job Type: Contract
Contract length: 18 months
Pay: R$150.00 - R$215.00 per hour
Experience:
Work Location: Remote
