Mavenir is building the future of networks and pioneering advanced technology, focusing on the vision of a single, software-based automated network that runs on any cloud. As the industry's only end-to-end, cloud-native network software provider, Mavenir is transforming the way the world connects, accelerating software network transformation for 250+ Communications Service Providers in over 120 countries, which serve more than 50% of the world’s subscribers.
Role Summary
Plans, designs, develops and tests software systems or applications for software enhancements and new products including cloud-based or internet-related tools.May use common development methodologies such as Waterfall and Agile.
Key Responsibilities
- Design, implement, and debug Layer 2/3 control and data path features
- Maintain MAC scheduler behavior for UL/DL grant decisions and resource allocation
- Work on RLC and PDCP flows for segmentation, retransmission, reordering, and bearer management
- Implement and validate UE/CELL state transitions driven by RRC and S1AP/X2AP messages
- Troubleshoot protocol interoperability and real-world failure scenarios
- Optimize scheduler and bearer behavior for NB-IoT constraints such as coverage, latency, and power efficiency
Job Requirements
Must-have skills- Strong understanding of 3GPP LTE/NB-IoT Layer 2 and Layer 3 protocols:MAC scheduling, HARQ, RACH, paging, logical channels, and UE state handlingRLC modes and retransmission behaviorPDCP sequence numbering, security, ROHC, and bearer managementRRC setup/reconfiguration/release and UE control proceduresS1AP/X2AP signaling and UE/cell context management
- Hands-on experience in C/C++ development for telecom or embedded networking stacks
- Familiarity with low-latency, real-time scheduling and event-driven protocol processing
- Experience with:Linux/Unix environmentsmultithreading and shared-memory designtimers, state machines, and protocol packet processingdebugging packet traces and protocol logs
- Understanding of LTE/NB-IoT bearer concepts:SRB/DRBlogical channels and transport channelsUE context, cell context, and RB reconfigurationconnection establishment, mobility, and release procedures
- Experience with NB-IoT or LTE eNodeB stack development
- Knowledge of 3GPP specs: MAC, RLC, PDCP, RRC, S1AP, X2AP
- Familiarity with ASN.1 / protocol encoders/decoders
- Experience with security/encryption functions used in PDCP
- Exposure to scheduler optimization, throughput/latency tuning, and interference handling
- Ability to work with vendor stacks and trace tools such as Wireshark, logs, and internal UE/eNB diagnostics
Accessibility
Mavenir is committed to working with and providing reasonable accommodation to individuals with physical and mental disabilities. If you require any assistance, please state in your application or contact your recruiter.
Mavenir is an Equal Employment Opportunity (EEO) employer and welcomes qualified applicants from around the world, regardless of their ethnicity, gender, religion, nationality, age, disability, or other legally protected status.
Skills Required
- Strong understanding of 3GPP LTE/NB-IoT Layer 2 and Layer 3 protocols, including MAC scheduling, HARQ, RACH, paging, logical channels, and UE state handling
- Understanding of RLC modes and retransmission behavior
- Understanding of PDCP sequence numbering, security, ROHC, and bearer management
- Understanding of RRC setup, reconfiguration, release, and UE control procedures
- Understanding of S1AP/X2AP signaling and UE/cell context management
- Hands-on C/C++ development experience for telecom or embedded networking stacks
- Familiarity with low-latency, real-time scheduling and event-driven protocol processing
- Experience with Linux/Unix environments
- Experience with multithreading and shared-memory design
- Experience with timers, state machines, and protocol packet processing
- Experience debugging packet traces and protocol logs
- Understanding of LTE/NB-IoT bearer concepts, including SRB, DRB, logical channels, and transport channels
- Understanding of UE context, cell context, radio-bearer reconfiguration, connection establishment, mobility, and release procedures
- Experience with NB-IoT or LTE eNodeB stack development
- Knowledge of 3GPP MAC, RLC, PDCP, RRC, S1AP, and X2AP specifications
- Familiarity with ASN.1 and protocol encoders/decoders
- Experience with PDCP security and encryption functions
- Exposure to scheduler optimization, throughput/latency tuning, and interference handling
- Ability to work with vendor stacks and trace tools such as Wireshark, logs, and UE/eNB diagnostics
Mavenir Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Mavenir and has not been reviewed or approved by Mavenir.
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Leave & Time Off Breadth — PTO, paid holidays and sick time are consistently part of the package, with parental leave also highlighted. Time off is often regarded as a strong aspect of the offering.
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Healthcare Strength — Core medical, dental, and vision coverage—along with disability options—are presented as part of a comprehensive program. Wellness and assistance resources further support employee health needs.
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Wellbeing & Lifestyle Benefits — Employee assistance, wellness initiatives, recognition programs, learning via Mavenir University, and volunteer PTO (MAVcares) expand support beyond core insurance. These extras are positioned as meaningful add-ons to the overall package.
Mavenir Insights
What We Do
Mavenir is building the future of networks and pioneering advanced technology, focusing on the vision of a single, software-based automated network that runs on any cloud. As the industry's only end-to-end, cloud-native network software provider, Mavenir is focused on transforming the way the world connects, accelerating software network transformation for 250+ Communications Service Providers in over 120 countries, which serve more than 50% of the world’s subscribers.
