O-RAN Distributed Unit (DU) Sr. Test Engineer

DeepSig Inc. is a venture backed and product centric technology startup building revolutionary wireless processing software solutions using cutting edge machine learning techniques to transform baseband processing, wireless sensing, and other key wireless applications.

We are looking for a skilled Lab Test Engineer to join our team focused on testing the O-RAN Distributed Unit (DU) software and hardware components. The role involves planning, designing, and executing test cases to ensure conformance, interoperability, performance, and reliability of O-RAN DU in compliance with O-RAN Alliance and 3GPP specifications. The candidate will work closely with development, integration, and network teams to validate DU functionality within the O-RAN architecture.

Key Responsibilities

• Design, develop, and execute test plans, cases, and scripts for O-RAN DU software and related interfaces including beamforming performance.
• Design and Perform test to verify neural receiver performance.
• Perform conformance testing to verify compliance with O-RAN and 3GPP standards.
• Conduct interoperability (IOT) testing between O-RAN DU and other network elements such as O-CU and O-RU.
• Identify, log, and track defects; work collaboratively 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 (KPIs) to ensure DU meets required standards.
• Actively lead in Lab setup such as installation and integration.
• Prepare detailed test reports, documentation, and provide feedback for product improvements.
• Stay updated with latest O-RAN Alliance releases, specifications, and testing methodologies.

Required Qualifications

• Bachelor’s or Master’s degree  in Telecommunications, Electrical Engineering, Computer Science, or related field.
• Deep knowledge and experience in advanced Test Equipment such as channel emulator, Vector Signal Generator and Analyzer, O-RAN Radio Unit testing, IQ extraction tool.
• Massive MIMO Lab testing experience.
• Proven experience in testing telecom network elements, preferably O-RAN DU or similar RAN components.
• In-depth knowledge of O-RAN architecture and interfaces (Open Fronthaul, F1, E2, A1, etc.).
• Familiarity with 3GPP NR standards and protocols.
• Strong skills in test automation, scripting languages (Python, Shell, etc.), and test management tools.
• Ability to perform troubleshooting using RAN test equipment, protocol debuggers, and logging tools.

Preferred Experience 

• 10+ years of experience at a Tier-1 OEM or US MNO is highly valued.
• Experience with CI/CD tools and automated testing frameworks.
• Experience of NFV, SDN, and virtualized RAN (vRAN) test experience is a plus
• Hands-on experience with performance and stress testing using RAN test equipment
• Familiarity with security testing within telecom environments.
• Strong analytical, problem-solving, and communication skills.
• Ability to work collaboratively in cross-functional teams.

WORKING AT DEEPSIG

DeepSig is growing its technical team while cultivating a collaborative, agile, and fun small-team culture. We value creativity, knowledge sharing, and employee growth, and we encourage participation in scientific publications, conferences, and open-source software. We offer competitive salaries and benefits, an employee stock option grant program, an environment where we are excited to be transforming and disrupting how signal processing is done with AI/ML, a welcoming and inclusive environment, a flexible schedule, and a great work / life balance.

DeepSig is an equal-opportunity employer and does not discriminate based on race, ethnicity, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability. We are dedicated to cultivating an inclusive, diverse, and engaging workplace where individuals feel fulfilled, inspired, and motivated. We value the unique perspectives that our team brings.