Develop, optimize, and integrate 5G NR L2/L3 protocol stacks (MAC, RLC, PDCP, RRC, NGAP). Implement scheduling, HARQ, buffer management, and mobility features. Debug protocols using tracing tools and integrate L2/L3 with PHY and 5GC to improve throughput, latency, and handover performance.
Join our Strategy and Technology Space Communication Solutions team as a 5G gNB Layer 2 and Layer 3 (L2/L3) Developer and play a pivotal role in advancing 5G technology! Collaborate closely with systems engineers, testers, and hardware teams in a hybrid work environment, tackling challenges in 5G NR L2/L3 development. You'll contribute to a forward-thinking team that drives innovative technology solutions, shaping the future of mobile communication. Enjoy a flexible work arrangement, professional development opportunities, and the chance to work on groundbreaking projects that set new industry standards. Join us in creating lasting value in the world of telecommunications!
- Develop and optimize 5G NR Layer 2/Layer 3 functionalities including MAC, RLC, PDCP, RRC, and NGAP.
- Implement advanced L2 scheduling algorithms, HARQ mechanisms, and efficient buffer management.
- Collaborate on the development of UE and gNB L2/L3 stacks, ensuring robust protocol compliance and performance.
- Optimize network performance by enhancing throughput, reducing latency, and improving handover processes.
- Debug and troubleshoot protocol stack behaviors using logs and advanced tracing tools.
- Integrate and test L2/L3 software with the physical layer (PHY) and core network (5GC) to ensure seamless operations.
You have:
- 3+ years of experience in 5G NR or LTE RAN development (L2/L3)
- Bachelor's or Master's Degree in Computer Science, Electrical Engineering, Telecommunications, or a related field.
- Strong programming skills in C, C++, and experience with multi-threaded and real-time systems.
- Deep understanding of MAC, RLC, PDCP, RRC, NGAP protocols.
- Experience with L2 scheduling, HARQ, QoS, and mobility management.
- Familiarity with 3GPP (Rel-15 and later) specifications.
- Strong debugging skills with tools like Wireshark, TShark, QXDM, or similar.
- Experience in real-time OS (RTOS) or Linux kernel networking stack.
It would be nice if you also had:
- Knowledge of DPDK, VPP, or other high-performance packet processing frameworks is a plus.
- Experience in O-RAN, Open RAN, or vRAN architectures is a plus.
Similar Jobs
Information Technology
Leads the design, integration, and delivery of production-grade AI, generative AI, agentic AI, and MLOps solutions for clients. Serves as technical lead, translates requirements into scalable architectures, mentors engineers, manages technical risks and timelines, supports sales proposals, and presents recommendations to stakeholders. Responsibilities include application integration, security, observability, evaluation, model serving, documentation, testing, and operational readiness.
Top Skills:
Agentic AiAi GatewaysAPIsAutomated TestingCi/CdContainersEvaluation FrameworksGitGpu InfrastructureHugging FaceKubernetesMlopsModel Lifecycle PlatformsModel-Serving PlatformsNvidia BlueprintsNvidia NimObservability FrameworksPythonPyTorchRetrieval-Augmented GenerationVector DatabasesVector Search
Information Technology
Leads ServiceNow CSM and TPSM process design for customer service, client onboarding, managed services, account management, and technology service delivery. Facilitates discovery and future-state workshops, translates requirements into functional designs and user stories, defines onboarding workflows, and aligns stakeholders with ServiceNow best practices. Provides functional leadership across customer management, case handling, entitlements, service relationships, integrations, CSDM, and ITSM. Supports prioritization, UAT, business readiness, roadmap decisions, and traceability across a large enterprise transformation.
Top Skills:
Agent WorkspaceCmdbCsdmCustomer Service Management (Csm)IntegrationhubItomItsmService Portfolio Management (Spm)ServicenowTechnology Provider Service Management (Tpsm)
Information Technology
Leads the Customer Success and Renewals organization, defining strategy for adoption, retention, forecasting, expansion, and customer outcomes. Manages financial and operational KPIs, renewal performance, AI and digital adoption, customer segmentation, cross-functional partnerships, and talent development. Serves as a subject matter expert and executive-level leader while coaching managers and teams, improving processes, and aligning sales, finance, partners, and customer success activities.
Top Skills:
Artificial IntelligenceCoworkMicrosoft CopilotSection Coach
What you need to know about the Colorado Tech Scene
With a business-friendly climate and research universities like CU Boulder and Colorado State, Colorado has made a name for itself as a startup ecosystem. The state boasts a skilled workforce and high quality of life thanks to its affordable housing, vibrant cultural scene and unparalleled opportunities for outdoor recreation. Colorado is also home to the National Renewable Energy Laboratory, helping cement its status as a hub for renewable energy innovation.
Key Facts About Colorado Tech
- Number of Tech Workers: 260,000; 8.5% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Lockheed Martin, Century Link, Comcast, BAE Systems, Level 3
- Key Industries: Software, artificial intelligence, aerospace, e-commerce, fintech, healthtech
- Funding Landscape: $4.9 billion in VC funding in 2024 (Pitchbook)
- Notable Investors: Access Venture Partners, Ridgeline Ventures, Techstars, Blackhorn Ventures
- Research Centers and Universities: Colorado School of Mines, University of Colorado Boulder, University of Denver, Colorado State University, Mesa Laboratory, Space Science Institute, National Center for Atmospheric Research, National Renewable Energy Laboratory, Gottlieb Institute
