Cybersecurity Specialist– Avionics Systems (DO-326A / ED-202A)

CS Group Canada, a subsidiary of CS Group (part of the Sopra Steria Group), is a leader in the development and certification of safety-critical systems in the aerospace, electric, and autonomous driving industries.

Joining CS Group Canada means taking part in complex, high-tech projects for some of the most prestigious system manufacturers in North America, while benefiting from competitive salaries, comprehensive benefits, and flexible work arrangements.

As a Cybersecurity Specialist– Avionics Systems, you will play a key role in ensuring that cybersecurity is integrated throughout the avionics system and software lifecycle, in compliance with applicable airworthiness security standards (DO-326A, ED-202A, DO-355, DO-356A).

You will collaborate closely with system, software, and safety teams to:

• Define and maintain the airworthiness security process across projects;

• Perform Aircraft/System Security Scope Definition (ASSD/SSSD) and Security Risk Analysis ( ASRA) for airborne and ground systems;

• Derive and validate security requirements aligned with certification expectations;

• Support secure architecture definition and pertaining verification activities;

• Develop and maintain the cybersecurity case to demonstrate compliance to authorities (EASA/FAA/TCCA);

• Contribute to security verification and validation activities, including penetration testing, vulnerability analysis, and security audits;

• Act as a technical advisor to project teams, fostering a “security-by-design” culture rather than a compliance-only mindset.

Your mission is to empower development teams to design and deliver resilient, certifiable, and secure avionics software and systems.

• Bachelor’s or Master’s degree in Computer Science, Software, Electrical or Aerospace Engineering, or a related field;

• Strong expertise in cybersecurity for embedded or safety-critical systems, ideally in the aerospace or defense domain;

• Proven experience with airworthiness security standards (DO-326A / ED-202A / DO-355 / DO-356A) or equivalent frameworks (ISO/SAE 21434, IEC 62443);

• Thorough understanding of DO-178C, ARP4754A, and DO-254 (or relevant equivalent) development processes is a strong asset;

• Demonstrated proficiency in threat modeling, secure coding practices, and risk analysis (SRA);

• Relevant exposure and interactions with certification authorities (or delegates) and Stage Of Involvement meetings

• Relevant cybersecurity certifications (CISSP, GICSP, or equivalent) are a plus;

• Ability to collaborate across multidisciplinary teams (architecture, software, safety, verification);

• Excellent communication and leadership skills, with the ability to translate complex security concepts into actionable engineering practices.

Please note that only selected candidates and Permanent Residents/Canadian Citizens will be contacted.

Job Types: Full-time, Permanent

CS Group Canada values ​​diversity in the workplace and encourages women, visible minorities, ethnic minorities, aboriginal people, and people with disabilities to apply.

Benefits:

• Hybrid Work 
• Industry leading medical, dental, and vision Insurance
• Access to a telemedicine service
• RRSP program
• Personal and sick days
• Recreation room with pool table and foosball table

All your information will be kept confidential according to EEO guidelines.