Senior Network Reliability Engineer

About us One team. Global challenges. Infinite opportunities. At Viasat, we’re on a mission to deliver connections with the capacity to change the world. For more than 35 years, Viasat has helped shape how consumers, businesses, governments and militaries around the globe communicate. We’re looking for people who think big, act fearlessly, and create an inclusive environment that drives positive impact to join our team. What you'll do We are seeking a senior Network Reliability Engineer (NRE) to design, build, and operate the software and data systems that automate and scale our network infrastructure. This role is a hybrid of software engineering, data analytics, and network engineering. The ideal candidate is a software engineer with a passion for data-driven decision-making and a deep understanding of IP networking and cloud-native systems. This is a hybrid role; 3 days a week required in the office (Sao Paulo or Brasilia), 2 days working remotely. Occasionally, up to 40% of the time for travel. The day-to-day Develop and maintain software for network automation, data collection, and API-driven orchestration. Design, build, and manage data pipelines and observability dashboards (using Prometheus, Grafana, ELK) to monitor network health, availability, and capacity. Automate the provisioning, configuration, and monitoring of our enterprise and service provider wireless (WLAN/Wi-Fi) infrastructure, including controllers and access points. Apply data analytics techniques to network telemetry to proactively identify performance bottlenecks, predict failures, and optimize traffic flow. Architect and implement cloud-native solutions (using Kubernetes, AWS/GCP) for deploying and managing network services and applications. Act as the subject matter expert for IP networking, providing design guidance and advanced troubleshooting for complex routing, switching, and cloud connectivity issues. What you'll need Core Technical Skills IP Networking: Expert-level knowledge of IP networking fundamentals, including TCP/IP, BGP, OSPF, and IP services (DNS, DHCP). Wireless Networking: Strong understanding of enterprise and large-scale Wi-Fi (802.11) architecture, including WLAN controllers, access points, and RF principles. Experience with wireless authentication protocols (WPA2/3-Enterprise, 802.1X, RADIUS). Data Analytics: Proven experience in data analysis, querying, and visualization. Strong proficiency in SQL and using data to drive technical and business decisions. Network Troubleshooting: Advanced troubleshooting and root cause analysis skills in complex, large-scale distributed network environments. Software & Cloud Engineering Programming: 5+ years of hands-on software development experience, with advanced proficiency in Python (including libraries like Pandas, FastAPI) and/or Go. Cloud-Native Expertise: Deep, hands-on experience with Kubernetes, Docker, and at least one major public cloud platform (AWS or GCP). API Development: Experience in developing and consuming REST APIs for system integration and automation. Tools & Protocols Observability Stack: Expertise with modern monitoring and logging tools, specifically Prometheus, Grafana, and the ELK Stack (Elasticsearch, Logstash, Kibana). Databases: Familiarity with time-series or relational databases (e.g., InfluxDB, TimescaleDB, PostgreSQL). Collaboration & Soft Skills Communication: Excellent verbal and written communication skills, with the ability to explain complex technical concepts to non-technical stakeholders. Ownership: A proactive, self-motivated mindset with a strong sense of ownership and accountability for the network's end-to-end performance and reliability. Problem-Solving: Strong analytical and systems-thinking skills, with a passion for "peeling the onion" to find the root cause of a problem, not just its symptoms. Collaboration: A proven ability to work effectively in a cross-functional, collaborative team environment, bridging the gap between network operations, software development, and data teams. Curiosity: A deep-seated curiosity and desire for continuous learning, staying up-to-date with new technologies in cloud, data, and networking. Languages: English and Spanish fluency. Experience & Education Bachelor’s degree in Computer Science, Information Technology, Software Engineering, Electrical Engineering or a related technical field. 5+ years of experience in a relevant role such as Network Reliability Engineer (NRE), Site Reliability Engineer (SRE), Network Automation Engineer, or Software Engineer focused on network systems. What will help you on the job Telecom Domain: Functional understanding of 4G/LTE or 5G core network architecture (EPC/5GC). Telecom Protocols: Familiarity with mobile network protocols (e.g., GTP, Diameter). Network Hardware: Experience with Juniper, Cisco, or Athonet core equipment. Automation Tools: Experience with configuration management tools like Ansible. Plus: Vendor networking certifications will be considered as a plus (Cisco, Juniper, Fortinet, …) EEO Statement Viasat is proud to be an equal opportunity employer, seeking to create a welcoming and diverse environment. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, ancestry, physical or mental disability, medical condition, marital status, genetics, age, or veteran status or any other applicable legally protected status or characteristic. 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