Cybersecurity System Engineering, Air & Naval

General Dynamics Mission Systems - Canada; Dartmouth; On-site; CAD 100,000 - 145,000; Full time

Benefits offered by this job

Medical coverage

Dental coverage

Vision coverage

Pension plan

RRSP matching

Flexible time off

Learning & development

Employee discounts

Onsite parking

Job summary

General Dynamics Mission Systems–Canada is seeking a Cybersecurity Engineer for the Air & Naval division in Dartmouth, NS. The role focuses on developing security strategies, designing secure systems, and implementing cybersecurity controls across complex platforms.

The position involves hands-on security assessments, threat modeling, and validation activities to ensure resilience against real-world threats, with compliance to NIST RMF, ITSG-33, DISA STIGs, and related standards.

Qualifications

• Bachelor’s degree in Engineering or equivalent; 5+ years in Cyber security
• Experience in secure systems development, preferably in military environments
• Strong knowledge of Linux security and container security (Docker/Podman)
• Familiarity with ITSG-33, NIST 800-171/172, or NIST RMF
• Experience in security testing, vulnerability management, and SBOMs

Responsibilities

• Support stakeholder engagement by identifying regulatory requirements and SA&A processes
• Evaluate and establish system security architecture and cybersecurity controls
• Conduct threat modeling and vulnerability assessments to enhance resilience
• Perform technical security assessments of OS, containers, and applications
• Ensure adherence to military and industry standards (NIST RMF, ITSG-33, DISA STIGs, FIPS)
• Develop and execute Security Test Procedures verifying System Security Requirements
• Support audits by documenting security artifacts (SSP, risk assessments)
• Mentor junior team members

Skills

Cybersecurity

Linux security

Container security

Threat modeling

Vulnerability assessment

Education

Bachelor’s Degree in Engineering or equivalent

Tools

Docker/Podman

NIST RMF

DISA STIGs

SBOMs (SPDX/CycloneDX)

Job description

Cybersecurity System Engineering, Air & Naval

• Full-time

Build bold. Deliver impact. Win together.
At General Dynamics Mission Systems–Canada, we’re not just engineering technology — we’re shaping the future of defence and security. Our teams design and deliver advanced, mission-critical solutions that enhance national security, strengthen communities, and protect the people we serve.
If you’re looking for meaningful work that contributes to a safer, more secure world, you’ll find purpose here. Every day, your skills will directly impact programs that matter.

General Dynamics Mission Systems–Canada has an opportunity for a new Cybersecurity Engineer to join our 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:

• Supportstakeholder engagement by identifying regulatory requirements,the Security Assessment and Accreditation (SA&A)process to be applied, and obtains concurrence from SA&Aauthorities 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
  • The successful candidate for this position will have a Bachelor’s Degree in Engineering or equivalent with aminimum of5+years ofrelated experience in Cyber
  • Experience supporting the engineering development of secure systems, ideally inmilitary environments
  • Strong understanding of Linux security, container security (Docker/Podman), vulnerability scanning, and vulnerability assessment tools
  • Familiarity with DISA STIGs, and frameworks like ITSG‑33, NIST 800‑171/172, or NIST RMF
  • Experience conducting technical security testing, including system, network, or application assessments
  • Experience supporting vulnerability management workflows, including CVE/CWE tracking and remediation
  • Familiarity generating and maintaining SBOMs (SPDX or CycloneDX format) with CVE mapping
  • Experience working with or familiarity with AI/ML models is preferred
  • Effective communicator, strong interpersonal skills, positive attitude, and ability tomotivate others through collaborative leadership
  • Excellent time management skills, whether working as a self‑motivated individual or part of a team

It is a requirement that General Dynamics Mission Systems-Canada be registered with the Canadian Controlled Goods program and that all of its workforce be security assessed. Successful applicants must meet all applicable security requirements, including but not limited to the ability to obtain and maintain a Canadian government security clearance. Applicants may be required to meet additional security requirements in order to gain access to technical data, classified areas or information that is subject to international regulations. You must be eligible to work in Canada.

The hiring range for this position is $100,000 to $145,000 commensurate with the qualifications of the selected candidate. Our goal is to provide a fair and competitive offer based on an assessment of internal equity and your qualifications, including:

• Technical and non-technical skills
• Education and certifications

Benefits
As a full‑time employee at General Dynamics Mission Systems–Canada, you’ll enjoy a competitive total rewards package that supports your professional and personal well-being:

• Comprehensive medical, dental, and vision coverage for you and eligible dependents from day one (no cost), including flexible benefits options (HCSA) emergency travel insurance, and 24/7 virtual care services.
• Employee & Family Assistance Program (EFAP), onsite fitness facilities, and employee resource groups.
• Defined Contribution Pension Plan with employer contributions after 3 months, RRSP access from day one, and financial planning support.
• Flexible time off including vacation, holidays, parental leaves with top‑up options, sick leave, and disability programs.
• Career development through learning platforms, educational assistance, mentoring, and reimbursement of professional memberships.
• Additional perks such as employee discounts, free onsite parking, social clubs, and an annual scholarship program for employees’ children.
• Purposeful Innovation: You’ll work on innovations that genuinely make a difference. You’ll apply advanced thinking, design expertise, and practical problem‑solving to help equip military and allied forces with leading‑edge systems. You’ll be surrounded by some of the brightest minds in the defence sector, contributing to next‑generation technologies in an environment that celebrates creativity, new ideas, and modern solutions.
• Connection: We believe people do their best work when they feel they belong, and their ideas can flourish. Different perspectives, experiences, and ways of thinking help us innovate and grow. Strong relationships with our teammates help us unite, overcome challenges, and deliver the world‑class quality we’re known for. Here, we are committed to inclusivity and ensures every individual feels valued, respected, and empowered.
• Challenging and Rewarding Career Pathways: Your career path matters to us. From mentorship and regular check‑ins with your leader to educational support, professional certifications, and continuous training, you’ll have the resources you need to thrive. You’ll be working on high‑profile, impactful projects that challenge your skills, expand your expertise, and allow your both…

Accommodation
If you require accommodation during any stage of the application process, please contact Human Resources via [emailprotected] .

Closing Date
We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible.