Senior Software Engineer (Cloud Native NTN Applications)

## About us At Viasat, the work you do helps people stay connected in ways that matter, from everyday moments to critical missions across air, land, sea, and space. We’re a place for people who are curious, bold, and motivated by meaningful work. Here, you'll have the opportunity to make an impact, explore new possibilities, and grow your career in ways that align with your interests and goals.

When you're ready to take on something new, you'll find leaders who support your development and help you turn your ambition into action. ## What you'll do Viasat is developing a 3GPP NTN standards-based Low Earth Orbit (LEO) Network to support standard based devices across key use cases such as Direct to Device, Automobile and UAVs.

RAN Apps team is responsible for the development of an ecosystem of AI native, Cloud hosted intelligent applications to configure, monitor and optimize the performance of Viasat’s LEO based satellite network especially that of the RAN subsystem in it, and integrate the ecosystem with the complete satellite ground network.

These applications interface with various components of O-RAN based NTN network – RU, DU, CU, RIC, SMO etc. Team member responsibilities are end-to-end ownership of one or more intelligent RAN applications, from requirements refining to design, development and system integration.

This is a site‑based role, employees work 3+ days (60%+) per week from a Viasat office or work location within a standard five‑day workweek. ## The day-to-day - Refine initial requirements through brainstorming with peers in the team and external stakeholders. - Develop Architecture and Design for AI native, Cloud hosted intelligent RAN applications utilizing O-RAN framework, system performance, scalability and maintainability aspects. - Develop test plans covering configuration, performance, stability, interoperability - Implement the design with the support of AI productivity tools - Test the applications at various level – unit, module, subsystem, system - Integration with other network components (DU, CU, RIC, SMO) - Maintain and automate CI/CD pipelines for build/testing/deployments - Support production & lab environments aligned with team’s responsibility - Update and maintain existing production applications and networks ## What you'll need - Bachelor's degree in Computer Science, Engineering, or equivalent - 6-10 years of hands-on experience building and operating large-scale cloud-native, microservices-based, event-driven, distributed applications. - Deep understanding of distributed systems concepts including scalability, fault tolerance, high availability, resiliency, consistency models, eventual consistency, and idempotent processing. - Experience designing data-intensive systems using relational and NoSQL databases. - Deep understanding of event-driven architectures, including asynchronous messaging, event streaming, pub/sub patterns, and event sourcing concepts. - Strong experience designing and implementing RESTful APIs and service-to-service communication patterns in distributed environments. - Proven ability to build highly reliable and observable production systems, including monitoring, logging, tracing, disaster recovery, and incident resolution. - Good understanding of Terrestrial and/or Satellite wireless system, SMO and RIC frameworks ## Technical Expertise - Strong programming skills preferably in Golang or Python - Containerization and orchestration using Docker and Kubernetes. - API design and integration, including REST APIs, API versioning, backward compatibility, contract-first development, API gateways, authentication, authorization, rate limiting, and resiliency patterns. - Event streaming and messaging technologies such as Kafka, Amazon Kinesis, Google Pub/Sub, RabbitMQ, or equivalent. - Public cloud platforms such as GCP and/or AWS. - CI/CD and DevOps tooling, including GitHub Actions, Jenkins, GitLab CI, or equivalent. - Deployment automation using Terraform, Helm, ArgoCD, CloudFormation or similar. #LI-VSAT ## What will help you on the job - Good understanding of O-RAN specifications, rApps,xApps development - Hands on development experience with Golang/Python/Rust/Scripting/Cl-CD in public cloud environment ## 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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