Network Engineer – 4G/5G Core Network

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🔥 11 minutes ago

🌐 Brazil, Costa Rica, +2 more countries – Remote

🇧🇷 Brazil – Remote 🇨🇷 Costa Rica – Remote 🇦🇷 Argentina – Remote 🇲🇽 Mexico – Remote

⏰ Full Time

🟡 Mid-level

🟠 Senior

🛜 Network Engineer / Network Administrator

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Abstra

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2007

💼 Consulting

📦 Logistics

📣 Marketing

💰 $2.3M Seed Round - Abstra on 2022-01

Consulting • Logistics • Marketing

Abstra is a nearshore LATAM technology services company that provides staff augmentation, dedicated teams, software outsourcing, and managed IT services to U. S. and international clients. They deliver custom software development (web and mobile), UX/UI design, QA/testing, and platform & infrastructure work (DevOps/SRE), and offer Data & AI capabilities including data engineering, ML engineering, MLOps, and data science. Abstra emphasizes time-zone alignment, bilingual LATAM talent, cost-effective nearshore delivery, and long-term partnership models to help companies scale engineering capacity and accelerate roadmaps.

📋 Description

• 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

🎯 Requirements

• Experienced Network Engineer with strong expertise in 4G/5G core networking technologies • Deep knowledge of 4G/5G core technologies, cloud-native networking, network virtualization, and advanced routing protocols • Must be able to work Pacific Standard Time business hours • Deep understanding of 4G and 5G technologies • Strong knowledge of 3GPP / 3GPP2 standards • Knowledge of 5G Standalone (SA) and Non-Standalone (NSA) architectures • Knowledge of Service-Based Architecture (SBA) and Service Mesh • Knowledge of network functions including AMF, SMF, UPF, and PCF • Knowledge of network slicing and VPP • Knowledge of data modeling techniques including fragmentation, peer-to-peer (P2P), and content filtering • Knowledge of Network Function Virtualization Infrastructure (NFVI), virtualization technologies, and cloud-native networking deployments • Hands-on experience with Kubernetes, Docker, OpenShift, and 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 • Preferred: experience supporting large-scale telecommunications or service provider environments • Preferred: 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 • 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 • Successful completion of employment verification and background checks after accepting an offer

🏖️ 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 • Excellent compensation in USD • Hardware and software setup (mandatory)