Jobs at Ribbon Communications

Designs, develops, documents, and executes functional and interoperability verification tests for telecom and datacom products. Responsibilities include reviewing system requirements, creating test strategies and plans, configuring network switches and test analyzers, automating test cases, troubleshooting failures, conducting unit testing, and preparing regression suites and progress reports. The role requires strong knowledge of routing, switching, MPLS, multicast, and related networking technologies.

Lead hands-on verification engineering for high-performance networking products. Develop end-to-end functional, interoperability, scaling, and automation tests; create test strategies, plans, cases, and regression suites; participate in requirements reviews; execute testing, troubleshoot failures, and report progress while collaborating with distributed software and hardware teams.

Develops and deploys digital signal processing, machine learning, and deep learning solutions for voice security, synthetic speech detection, audio deepfakes, speaker verification, ASV spoofing, and fraud prevention. Responsibilities include speech feature extraction, model training and optimization, large-scale dataset analysis, algorithm development, software testing, deployment, and cross-functional collaboration. The role requires strong DSP and speech-processing expertise, programming proficiency, and experience with modern AI/ML frameworks and anti-spoofing architectures.

Develop and optimize secure networking software for Ribbon’s next-generation products across cloud, server, and custom hardware platforms. Responsibilities include data-plane acceleration using network processors, debugging customer issues, collaborating with system testing, and measuring product performance. The role requires strong C and embedded programming experience, networking expertise, Linux and kernel knowledge, and familiarity with technologies such as DPDK, VPP, SmartNICs, Kubernetes networking interfaces, tunneling, and eBPF.

Lead global FP&A function, overseeing budgeting, forecasting, variance analysis, financial modeling, management reporting, and strategic P&L analysis. Partner with CFO/CEO, support Board materials, drive process improvements, evaluate growth initiatives (including M&A and product launches), and lead a global finance team to deliver actionable insights and scalable processes.

Design, build, and execute test plans and automation for a large-scale distributed analytics platform. Validate Kubernetes deployments, create Jenkins pipelines, perform PostgreSQL and Hadoop performance testing, track defects, run scalability/reliability tests, and mentor junior QA engineers while improving CI/CD test processes.

Drive international defense business development across Europe, especially Germany, by identifying and shaping complex opportunities with ministries, armed forces, contractors, and integrators. Build strategic relationships, position secure communications and networking solutions, support bids and procurement processes, manage pipeline in CRM, and transition qualified opportunities to sales execution. The role requires deep telecommunications or ICT expertise, defense-sector experience, strong stakeholder influence, and travel of up to 50%.

Supports global service proposals, pricing, cost and margin analysis, price lists, quoting tools, and commercial model development for IP, optical, and software solutions. Collaborates with Sales, Solutions Engineering, Product Management, and partners to gather proposal information, improve quoting processes, track opportunities in Salesforce, and report on pricing and business trends.