Note: The job is a remote job and is open to candidates in USA. Abstra is a fast-growing, Nearshore Tech Talent services company, providing top Latin American tech talent to U.S. companies and beyond. They 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.
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
Skills
- Deep understanding of 4G and 5G technologies
- Strong knowledge of 3GPP / 3GPP2 standards
- Knowledge of 5G Standalone (SA) and Non-Standalone (NSA) architectures
- Understanding of Service-Based Architecture (SBA)
- Knowledge of Service Mesh
- Familiarity with Network Functions: AMF, SMF, UPF, PCF
- Understanding of network slicing
- Knowledge of VPP
- Familiarity with data modeling techniques including fragmentation, peer-to-peer (P2P), and content filtering
- Experience with Network Function Virtualization Infrastructure (NFVI)
- Knowledge of virtualization technologies
- Experience with cloud-native networking deployments
- Hands-on experience with Kubernetes
- Hands-on experience with Docker
- Hands-on experience with OpenShift
- Experience with microservices architectures
- Strong Layer 2 and Layer 3 networking experience, including BGP, BFD, IS-IS, OSPF, and static routing
- 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
- Hands-on 4G/5G core networking experience
- Strong cloud-native networking expertise
- Advanced routing and network troubleshooting capabilities
- Production support and deployment experience
- Ability to work independently in a remote environment while collaborating across global teams
- Excellent written and verbal communication skills
- Recent, hands-on experience supporting 4G/5G core network technologies, not just traditional enterprise networking experience
- Experience supporting large-scale telecommunications or service provider environments
- Experience with network migrations and production deployment support
- Strong documentation and communication skills
- Experience working directly with engineering, operations, and customer-facing teams
- Prior experience supporting 5G core network deployments and troubleshooting
Benefits
- Flexible working hours and remote work options.
- Opportunities for professional growth and development.
- A collaborative and inclusive work environment.
- The chance to work on impactful projects with a talented team.
- Hardware and software setup (mandatory).
Company Overview