Descripción de la oferta
VoIP, Cloud & Network Infrastructure Architect - Valladolid | JobLeads
VoIP, Cloud & Network Infrastructure Architect
KakeAds Valladolid EUR 60.000 - 80.000 Sé de los primeros solicitantes. Hace 5 días Descripción del empleo
Senior technology professional with extensive experience in the design, deployment and operation of large-scale telecommunications and distributed infrastructure systems. Specialized in VoIP platforms, cloud and hybrid infrastructures, secure networking, Linux systems, and highly available backend services.
Responsible for the architecture and operation of mission-critical platforms that integrate VoIP communications, mobile applications, backend services and distributed infrastructure across multiple cloud providers and on-premise environments. Strong focus on reliability, troubleshooting of complex systems, and optimization of real-time communications platforms.
Experienced in diagnosing complex production issues at protocol level, designing resilient multi-cloud architectures, and operating infrastructures supporting large numbers of devices and geographically distributed sites.
In addition to infrastructure and telecom systems, responsible for the development, deployment and maintenance of enterprise web applications based on Java technologies running on Apache Tomcat and published through Nginx reverse proxy architectures in hybrid environments.
Key Responsibilities
Design and maintain large-scale VoIP and telecommunications infrastructure
Architect and operate distributed systems spanning multiple cloud providers and on-premise environments
Ensure high availability, performance and resilience of production platforms
Diagnose and resolve complex network and protocol-level issues affecting real-time communications
Manage hybrid infrastructures combining cloud platforms and private datacenters
Operate backend platforms supporting mobile applications and communication services
Design secure networking architectures and interconnections between multiple environments
Maintain CI/CD and development infrastructure supporting application lifecycle
Implement monitoring, observability and operational tooling for large-scale systems
Support business intelligence and data integration processes across operational platforms
Telecommunications / VoIP
Architecture of large-scale SIP platforms
Kamailio SIP routing and signaling logic
SIP and RTP analysis using Wireshark
Advanced troubleshooting of signaling and media flows
NAT traversal, ICE and TURN infrastructure
WebRTC integration
Mobile VoIP application backend integration
RTP timing, audio quality optimization and ptime tuning
High-capacity trunk management and call distribution
Networking and Security
Design and operation of complex network architectures
Site-to-site VPN infrastructure (IPsec)
FortiGate firewall platforms
StrongSwan VPN implementations
NAT traversal and tunnel troubleshooting
Network segmentation and secure access architecture
High availability networking and failover strategies
Multi-site network environments
Cloud and Distributed Infrastructure
AWS infrastructure
Highly available distributed systems
Integration between cloud platforms and private datacenters
VMware virtualization platforms (vSphere / ESXi)
Datacenter resource management and capacity planning
Systems and Backend Infrastructure
Automation and operational scripting
Management of thousands of Linux devices across distributed locations
Logging systems and operational observability
Backend infrastructure supporting mobile applications and services
Web Application Platforms (Java)
Development and maintenance of enterprise web applications using Java
Web platform architectures using Nginx as reverse proxy
Hybrid deployments across cloud and on-premise infrastructure
Integration of web platforms with backend services and APIs
Production operation and performance tuning of Java applications
Databases
High availability database architectures
Replication and cluster troubleshooting
Database performance optimization
Development and Integration
Integration of SIP SDKs into mobile applications
Flutter-based mobile application integration
System and infrastructure automation
DevOps and Infrastructure
Code quality analysis with SonarQube
Version control and repository management using Git
Infrastructure monitoring and observability (Site24x7)
Operation of distributed infrastructure platforms
Troubleshooting production systems
Business Intelligence and Data
Management of Business Intelligence platforms
Design and maintenance of ETL pipelines
Data integration from multiple operational systems
Preparation of datasets for reporting and analytics
Scale of Operations
Distributed infrastructure across 50+ locations
Management of thousands of Linux devices
Large VoIP systems with multiple SIP trunks and high concurrent call capacity
Multi-cloud architectures connected through secure VPN infrastructure
Mobile applications integrated with VoIP communication platforms
Strong capability in troubleshooting complex distributed environments, analyzing network protocols at low level, and designing resilient infrastructures supporting critical communication systems. Experience operating platforms that combine telecommunications, backend applications, cloud services and data systems within hybrid enterprise architectures.
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