Cybersecurity, Senior Analyst at GDMSI

General Dynamics Mission Systems–Canada has an opportunity for a new Senior Cybersecurity Analyst to join our Sonar Systems team within the Air & Naval division. Our team is growing and looking for additional team members to help solve complex Cybersecurity requirements. In this role you will develop security strategies, design secure systems, and implement cybersecurity solutions to ensure that our systems and products are designed and developed based on sound security principles. This position includes hands-on security assessment and technical validation activities to ensure system resilience against real-world threats. Responsibilities include: • Support stakeholder engagement by identifying regulatory requirements, the Security Assessment and Accreditation (SA&A) process to be applied, and obtains concurrence from SA&A authorities on the identified information protection needs • Evaluate, select, and establish the system security architecture and develop cybersecurity controls • Conduct threat modeling and vulnerability assessments to refine system defenses and enhance resilience • Perform technical security assessments of operating systems, containerized environments (Docker/Podman), and applications to evaluate real-world exploitability • Ensure cybersecurity frameworks adhere to military and industry standards such as NIST RMF, ITSG-33, DISA STIGs, and FIPS • Conduct Threat Risk Analysis, impact analysis, and vulnerability testing, including proof-of-concept validation where appropriate • Develop, author, and execute Security Test Procedures that verify and validate System Security Requirements and demonstrate assurance through evidence-based testing • Support internal and external audits by authoring and maintaining reproducible security artifacts and SA&A documentation (e.g., System Security Plans, Risk Assessments, Security Artifacts in System Design Document, Security Test Reports) • Mentor less senior team members