Defense Software Engineer Jobs in Ontario (NOW HIRING)

Job Title: Software Engineer – Embedded Systems

Job Description

This role focuses on designing and implementing embedded software solutions for complex, multi-network communication systems used in large-scale naval programs. You will contribute to software architecture, develop and debug near real-time embedded applications, and collaborate closely with systems and hardware engineering teams. The position offers the opportunity to work on advanced communication technologies within a mission-critical defense environment.

Responsibilities

• Design and develop embedded software solutions that meet performance, reliability, and real-time requirements.
• Contribute to the definition and implementation of software architecture for complex embedded systems.
• Develop software that operates reliably in complex, multi-network environments integrating various communication protocols.
• Conduct independent research to identify and propose innovative solutions to technical challenges.
• Collaborate closely with systems and hardware engineering teams to resolve technical issues and ensure seamless system integration.
• Debug and troubleshoot embedded software issues in near real-time simulation environments.
• Prepare and deliver clear presentations and demonstrations of software features, system behavior, and technical findings to internal stakeholders.
• Ensure that implemented solutions align with project requirements, system constraints, and industry best practices.
• Document designs, implementation details, and test results to support ongoing development and maintenance.

Essential Skills

• At least 7 years of experience with modern C++ for embedded software development.
• At least 7 years of experience with embedded Linux and real-time operating systems (RTOS).
• Strong experience with networking protocols, including TCP/IP, SIP, RTP, and VOIP.
• Proficiency in developing embedded software for complex, multi-network environments.
• Hands-on experience debugging embedded systems and resolving near real-time software issues.
• Ability to collaborate effectively with systems and hardware engineering teams on technical topics.
• Strong understanding of Linux-based embedded systems and associated development tools.
• Experience with REST APIs in the context of embedded or networked systems.
• Solid knowledge of embedded systems concepts, including real-time constraints, resource limitations, and hardware-software interaction.

Additional Skills & Qualifications

• Experience with additional C++ libraries and frameworks for embedded systems.
• Familiarity with PJSIP C/C++ libraries for SIP and VOIP applications.
• Experience with TightVNC or similar remote desktop and visualization tools.
• Experience in software-defined radio (SDR) development or integration.
• Knowledge of ED137 interoperability standards for communication systems.
• Experience preparing technical presentations and demonstrations for internal or external stakeholders.
• Prior exposure to large-scale defense, naval, or communication system integration projects.

Work Environment

This role is primarily on site, with an expectation of working in the office 4–5 days per week. You will operate in a highly collaborative engineering environment, working closely with systems and hardware teams on advanced communication systems. The work involves modern embedded development tools, Linux-based platforms, real-time operating systems, and networking test setups that support near real-time simulation and validation. The environment emphasizes rigorous engineering practices, system reliability, and continuous collaboration to support mission-critical naval communication programs.

This is a Contract position based out of Ottawa, ON.

The pay range for this position is $65.00 - $70.00/hr.

This is a fully onsite position in Ottawa,ON.

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