VIAVI Solutions · 3 hours ago
Principal, Systems Design/Architecture Engineer
Chandler, AZ USA
Full-time
Onsite
Lead/Staff
8+ years expVIAVI Solutions is a global provider of network test, monitoring and assurance solutions for various sectors. The Senior Architect – RAN is responsible for designing and validating advanced Open RAN solutions while contributing to future-generation RAN architecture exploration.
AerospaceAutomotiveComputerConsumer ElectronicsHardwareIndustrialMilitaryMobileSoftwareTelecommunications
Responsibilities
Design and own RAN architectures for LTE, 5G NR, and Open RAN deployments
Contribute to architectural evolution toward 6G and future wireless systems
Define subsystem architectures across O-RU, O-DU, O-CU, and FH/MH/BH domains
Apply O-RAN Alliance and 3GPP specifications to real-world system designs
Support O-RAN-based multi-vendor interoperability, plugfests, and compliance activities
Translate O-RAN and 3GPP standards into implementable design and validation requirements
Lead or support RAN validation strategies covering O-RAN conformance, interoperability (IOT), and performance
Analyze system KPIs and RF metrics to ensure carrier-grade performance
Contribute to automation and CI/CD-driven O-RAN test frameworks
Architect and integrate Open RAN solutions on Kubernetes and OpenStack platforms
Support optimization using hardware acceleration (e.g., FlexRAN, FEC, GPU)
Ensure O-RAN timing and synchronization requirements are met (PTP, SyncE, GNSS)
Support AI/ML-driven Open RAN optimization initiatives
Contribute to O-RAN RIC (Near-RT and Non-RT) use cases and validation
Assist in defining telemetry and data requirements for closed-loop optimization
Act as a senior technical interface for customers and ecosystem partners
Support Open RAN architecture reviews, PoCs, and technical escalations
Provide technical input into product planning and Open RAN roadmap discussions
Mentor senior engineers and system/test leads
Review architecture documents, test plans, and design proposals
Contribute to architectural governance and O-RAN best practices
Qualification
Required
Bachelor's or Master's degree in Engineering, Computer Science, or equivalent experience
8–12+ years of experience in telecom or wireless systems
Strong experience in LTE/5G RAN and Open RAN (O-RAN) system integration
Hands-on knowledge of: RAN L1/L2/L3 concepts, O-RAN architectures and interfaces, Cloud-native platforms and RF/performance testing
Working knowledge of Linux, scripting, and automation frameworks
Preferred
Exposure to 6G research, future-G concepts, or advanced RAN evolution
Experience with O-RAN RIC platforms or AI-assisted RAN optimization
Background in multi-vendor Open RAN labs, field trials, or consortium programs
Strong technical communication and documentation skills
Company
VIAVI Solutions
Global provider of network test, monitoring and assurance solutions and light management technologies
1001-5000 employees
H1B Sponsorship
VIAVI Solutions has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (25)
2024 (22)
2023 (15)
2022 (30)
2021 (9)
2020 (17)
Funding
Current Stage
Public CompanyTotal Funding
$990.73M2025-12-16Post Ipo Equity· $140.73M
2025-10-16Post Ipo Debt· $600M
2025-08-13Post Ipo Debt· $250M
Leadership Team
Oleg Khaykin
President and CEO
Sameh Yamany
Corporate Chief Technology Officer
Recent News
2026-01-16
Morningstar.com
2026-01-09
Company data provided by crunchbase