A career at Horizon is for those who want to do something extraordinary, yet with meaningful purpose. We take pride in pushing the boundaries of technology and customer experience to deliver something that has never been done before. We are a fast-moving organisation that promotes a hands-on approach, supporting each other through the tough spots, generating a close-knit team with a family feel.

What we do here is hard, but then very few things worth achieving are easy. By joining Horizon, you will have the opportunity to work with our world-class entrepreneurial team who are passionate about delivering something special.

What we need you to bring. Horizon is seeking an open, enthusiastic

Senior Embedded Software Engineer

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Your role involves designing, developing and maintaining the embedded software that runs on our platform, ensuring it meets our performance, safety and design targets. Your role will be pivotal in determining what our platform is capable of, and you will support the design team with creative ideas to make our software more robust, efficient and capable.

As we’re a small team, there is significant scope for you to advance your career and learn about adjacent disciplines.

Your Day-to-Day:

Support systems engineers in specifying the functionality and characteristics of airborne software based on system level requirements.

Develop embedded software in C for bare metal hardware ARM microcontroller targets (I/O drivers built upon board support packages, custom databus packet definition, packet parsing and checksum, co-operative interrupt driven schedulers etc.)

Architect and design the embedded software, considering hardware constraints, design constraints, and available resources to satisfy the system level requirements.

Integrate low level software with model-based code generated through MATLAB Simulink.

Develop automated and manual tests to perform requirements-based verification of the embedded software and software tools

Assess, measure, troubleshoot, and resolve issues with software execution and characteristics such as worst-case timing, memory margin, structural coverage, data coupling,



and control coupling

Perform peer reviews of other team member’s contributions to the software development project

Follow, review, release and change software development processes.

Excellent communication skills, both written and verbal, with both internal & external customers

High energy, self-motivated, organized and detail-oriented

Ability to work independently and as a member of an integrated team

Ideal candidates will have the following qualifications and experiences:

BS in Computer Engineering, Electrical Engineering, Computer Science, or a related degree from an accredited university

Minimum 8 years experience in real-time embedded software development using C or C++

Mastery of the C programming language

Experience in most of the following areas: hard real-time systems, built-in-test, tasking and interrupts, performing and developing tests, RTOS, bare-metal development, communication protocols (CAN, I2C, SPI)

Strong understanding of software configuration management and contemporary software build, integration, test, and deployment methodologies

Comfortable reading electrical schematics, documentation, and datasheets

Experience with electronics lab equipment such as programmable power supplies, signal generators, oscilloscopes, and bus analyzers

Good team, communication, and leadership skills required

Above and Beyond Qualifications

Experience targetting Texas Instruments Hercules and/or STM ARM microcontrollers, or equivalent

Knowledge and awareness of the activities and outputs required for DO-178C compliance

Deep understanding of DO-178C and its supplements

Knowledge of ARP 4754A and ARP 4761 processes and how they affect and inform the software processes





Experience with the Lauterbach TRACE32 debug/instruction trace system

Experience with GNU GCC ARM embedded toolchain and Texas Instruments Code Composer Studio

Knowledge of and experience with implementing ARINC 429 and ARINC 785 protocols

Familiarity with RTCA DO-330 tool qualification objectives, activities, and outputs

Familiarity with RTCA DO-331 model-based development objectives, activities, and outputs

Experience with a requirements management tool/framework (IBM DOORS, Jama, Siemens Polarion)

Experience with the Dassault 3DX life cycle data management system

Experience with embedded software for electric motor control, battery management systems, and/or flight control systems

Experience with Git, GitHub/GitLab

About Your Future Team. As part of the team, you will tackle challenges and deliver something that has never been done before. The team is currently full of multi-skilled individuals. Come join our growing team in Ottawa! You will be one of the first specialist engineers to join us, which provides significant latitude in developing our working methods alongside needs of developing the platform.

Our Benefits. People are the heart of our success, and we like to provide transparency in the way we operate. This is why our benefits are beyond the normal, and we are constantly trying to improve these further.

No Holiday Cap

Hybrid Work Options

Company Paid Group Benefits Plan

Company Stock Matching Program

Health Spending Account

Equity Awards

This is an incredible opportunity to be at the forefront of a ground-breaking industry and work with a energetic and innovative team. We offer a competitive salary, and the opportunity to work on some of the most exciting aerospace projects of our time.

Location. This role will be based in the Ottawa area, with occasional travel to our main hangar in Lindsay, Ontario required. We offer relocation allowances in appropriate cases.

Not Quite Your Profile? We understand everyone's career is unique and we welcome opportunities to broaden our knowledge in an open, diverse and inclusive way.

📌 Senior Embedded Software Engineer (Montreal)
🏢 Horizon Aircraft
📍 Montreal