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Added 3 months ago
SH
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Added 3 months ago
O
Software Developer – LTE/5G NR Protocol Stack Development
Octasic
Montreal, QC
- Full-time
Added 3 months ago
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Octasic

Software Developer – LTE/5G NR Protocol Stack Development

Montreal, QC, Canada

Full-time

Apply on ats.rippling.com About employer

Application link verified · Nov 14, 2026. Applications open in a new tab.

Job details

Job type: Full-time
Experience: 8–10 years of experience in LTE and/or 5G NR protocol stack development;
Posting language: English
Posted: Aug 8, 2026

Original job description

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;
Strong 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.

#makewaves

Apply on ats.rippling.com About employer

More about this job

Responsibilities

Design, develop, and maintain customized LTE/5G NR NodeB protocol stack software for mission-critical Search & Rescue solutions. This includes building prototypes, conducting feasibility studies on 3GPP features, and performing root cause analysis for field deployments.

Requirements

Requires a Bachelor's or Master's degree in Electronics, Telecommunications, or Computer Science with 8-10 years of experience in LTE/5G protocol stack development. Candidates must have strong C/C++ programming skills on embedded platforms and the ability to obtain security clearance.

Skills

LTE Protocol Stack
5G NR Protocol Stack
C++
C
Linux
RTOS
3GPP Specifications
Layer 1 Control
MAC Layer
RLC
PDCP
RRC
NAS
Multi-threading
IPC Mechanisms
Agile Development

Benefits

Competitive compensation
Gym membership discount
Stock options purchase program
Public transit reimbursement
On-site shower
Free beverages and snacks

Visa sponsorship

Not detected in the job text

Keywords

LTE
5G NR
Protocol Stack
eNodeB
gNodeB
3GPP
C++
C
Linux
RTOS
Embedded Systems
MAC
RLC
PDCP
RRC
NAS
Layer 1 Control
IPC
Multi-threading
Agile
Proof-of-Concept
Telecommunications
Wireless Communications
Security Clearance
System on Chip
SoC
Search & Rescue
Performance Optimization
Root Cause Analysis
Version Control

Seniority

Senior

Perks

Stock or equity
Employee discount
Wellness program
Transit support
Meals

Tools

Languages

English

Fields of study

Electronics
Telecommunications
Computer Science

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Work requirements

Jobs in Canada