RAN Test Engineer

DeepSig Inc•Arlington, VA

About The Position

DeepSig is seeking a skilled test engineer to test O-RAN DU software and hardware components. The role plans, designs, and executes test cases to assess conformance, interoperability, performance, and reliability in accordance with O-RAN Alliance and 3GPP specifications. The engineer works closely with development, integration, and network teams to validate DU functionality within the O-RAN architecture.

Requirements

Bachelor’s degree in Telecommunications, Electrical Engineering, Computer Science, or a related field, or equivalent practical experience.
At least 3 years of hands-on experience in a lab, test, or integration role.
Familiarity with 4G/5G RAN concepts and 3GPP standards.
Proficiency with Python and shell scripting, and experience automating test execution.
Comfort working day-to-day in Linux and a solid understanding of IP networking fundamentals.
Ability to work collaboratively in cross-functional teams.
Hands-on troubleshooting ability, including working with lab hardware, protocol analyzers, and log files to isolate problems.
Ability to learn an unfamiliar protocol stack from specifications and turn a loosely defined test objective into a plan and results with limited supervision.

Nice To Haves

Experience at a RAN vendor, mobile network operator, or test-and-measurement company.
Hands-on experience with srsRAN, OpenAirInterface, or other open-source RAN software, or a track record of open-source contributions.
Working knowledge of O-RAN architecture and interfaces, including F1, E2, Open Fronthaul, and A1.
Experience with containerization (Docker, Kubernetes), cloud-native environments, and test management tooling.
Experience with multi-antenna and/or massive MIMO test setups.
Experience with CI/CD tools and automated testing frameworks.
Experience testing network software deployed in virtualized or containerized environments on COTS servers, including SR-IOV, DPDK, CPU pinning, and real-time kernel tuning.
Experience with performance and stress testing using RAN test equipment.
Familiarity with security testing within telecom environments.
Strong analytical, problem-solving, and communication skills.

Responsibilities

Contribute to, develop, and execute test plans, cases, and scripts for O-RAN DU software and related interfaces.
Perform conformance testing to verify compliance with O-RAN and 3GPP standards.
Conduct interoperability testing between an O-RAN DU and other network elements such as O-CU and O-RU.
Execute end-to-end testing scenarios to validate the complete O-RAN communication chain.
Identify, log, and track defects, and collaborate with development teams to resolve issues.
Automate test cases and contribute to CI/CD pipelines to support continuous testing.
Validate performance metrics and key performance indicators to ensure the DU meets required standards.
Participate in site commissioning and integration support.
Prepare detailed test reports and documentation, and provide feedback for product improvements.
Stay updated with O-RAN Alliance releases, specifications, and testing methodologies.