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Added 2 mins ago
B
Senior Manager-PM Quality Assurance
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- Full-time
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Added 31 mins ago
I
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Horizon Aircraft

Senior Embedded Software Engineer

Kawartha Lakes, ON, Canada
Lindsay, ON, Canada

Full-time

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Applications open in a new tab.

Job details

Job type: Full-time
Apply by: Nov 6, 2026
Experience: Minimum 8 years experience in real-time embedded software development using C or C++
Posting language: English
Posted: Oct 7, 2026

Original job description

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. 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
Candidates are encouraged to apply even if they don’t meet all minimum qualifications

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 dynamic and innovative team. We offer a competitive salary, and the opportunity to work on some of the most exciting aerospace projects of our time.

If you have a passion for aerospace and EVTOL, and want to work on challenging and rewarding projects, please apply today!

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 would love for you to apply even if you have not met all the experience listed in this advert. We understand everyone’s career is unique and we welcome opportunities to broaden our knowledge in an open, diverse and inclusive way.

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More about this job

Responsibilities

Design, develop, integrate, and maintain embedded C software for ARM-based bare-metal hardware, ensuring it meets system requirements and performance, safety, and design targets. Verify software through automated and manual testing, troubleshoot execution and timing issues, conduct peer reviews, and follow software development and release processes.

Requirements

Requires a bachelor's degree in computer engineering, electrical engineering, computer science, or a related field, and at least eight years of real-time embedded software development experience using C or C++. Candidates should have strong C skills and experience with areas such as bare-metal development, RTOS, interrupts, testing, and communication protocols; aerospace standards and tools are additional qualifications.

Skills

Embedded Software Development
C Programming
Real-Time Systems
Bare-Metal Development
ARM Microcontrollers
RTOS
Interrupts and Tasking
Communication Protocols
Requirements-Based Verification
Software Testing
MATLAB Simulink
Hardware-Software Integration
DO-178C Compliance
Electrical Schematics and Datasheets
Debugging and Troubleshooting

Benefits

Unlimited Vacation
Hybrid Work Options
Company-Paid Group Benefits Plan
Company Stock Matching Program
Health Spending Account
Equity Awards

Visa sponsorship

Not detected in the job text

Keywords

Embedded Software
C
C++
ARM Microcontrollers
Bare-Metal Development
Real-Time Systems
RTOS
MATLAB Simulink
Board Support Packages
CAN
I2C
SPI
ARINC 429
ARINC 785
DO-178C
DO-330
DO-331
ARP 4754A
ARP 4761
Texas Instruments Hercules
STM ARM Microcontrollers
Lauterbach TRACE32
GNU GCC ARM Embedded Toolchain
Code Composer Studio
IBM DOORS
Jama
Siemens Polarion
Dassault 3DX
Git
GitHub

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