Software Developer – LTE/5G NR Protocol Stack Development

Founded in 1998, Octasic is a privately held company headquartered in Montreal, Canada, with Research and Development facilities in Canada and India and a global sales support network. Octasic is a leading provider of SoCs (System on Chip), software and hardware integrated platforms for the global wireless and multimedia gateway markets. Our hardware and software platforms are the foundation for next-generation wireless systems for Defense, Law Enforcement and National Security Agencies.

We choose Octasic for:

- A workplace at the cutting edge of technology to be in contact with wireless technology experts in a growing company;
- Competitive compensation (salaries, benefits, gym membership discount, stock options purchase program, public transit reimbursement, shower on the premises and beverages and snacks free every day);
- Work-life balance;
- Friendly and collaborative work atmosphere and many social activities all year long;
- Working for a company involved in its community;
- Proximity to various public transportation services (Angus Shuttle, 10 min. walk from Prefontaine station).

About the role:

We are looking for a highly motivated professional to join our wireless communications team on mission-critical Search & Rescue (S&R;) solutions. This position focuses on the development, maintenance, and evolution of customized LTE/5G NR NodeB (eNodeB/gNodeB) protocol stack software, along with research and prototyping work.

What you'll do:

- Design, develop, and support LTE/5G NR air interface protocol stack components, including Layer 1 Control, MAC, RLC, PDCP, RRC & NAS;
- Work with customers, product management, and cross-functional teams to define requirements and deliver strong solutions;
- Contribute to software design, implementation, testing, integration,



and release efforts;
- Review software architecture, spot opportunities for improvement, and lead performance and reliability enhancements;
- Carry out root cause analysis and resolve issues raised by customers, field deployments, and verification teams;
- Build Proof-of-Concepts (PoCs), prototypes, and technology demonstrators for new wireless features and concepts;
- Assess emerging 3GPP features and wireless technologies through feasibility studies and technical investigations;
- Prepare and maintain design, interface, and technical documentation;
- Coach team members and help advance engineering best practices and continuous improvement initiatives.

Qualifications:

- Bachelor's or Master's degree in Electronics, Telecommunications, Computer Science, or a related field;
- 8–10 years of experience in LTE and/or 5G NR protocol stack development;
- Strong expertise in one or more areas of LTE/NR Layer 1 Control, MAC, PDCP, RLC, RRC, NAS layers;
- Solid understanding of LTE and 5G NR 3GPP specifications and signalling procedures;
- Robust programming skills in C/C++ on Linux, RTOS, or embedded platforms;
- Experience with IPC mechanisms, multi-threading, debugging, and performance optimization;
- Strong design, troubleshooting, and problem-solving skills;
- Knowledge of Agile development, version control systems, testing methodologies, and software release processes;
- Ability to get security clearance.

Assets:

- Knowledge of LTE/NR PHY, UMTS, or GSM Access Stratum protocols;
- Experience with R&D; projects, technology evaluation, and PoC development;
- Exposure to system integration, performance analysis, and carrier-grade wireless systems;
- Strong analytical and communication skills;
- Self-driven, innovative, and passionate about wireless technologies;
- Ability to work independently and effectively within cross-functional teams.

📌 Software Developer – LTE/5G NR Protocol Stack Development (Montreal)
🏢 Octasic
📍 Montreal