Senior IT Security Design Specialist

Compensation: CAD 110 - CAD 120 - hourly

ADGA Group is a Canadian‑owned defence and security company that provides integrated, mission‑critical technical solutions to Government and industry, specializing in C5

ISRT, simulation and training, cyber and infrastructure security, and program delivery. With nearly 60 years of experience, ADGA supports federal clients and Canada’s intelligence and enforcement agencies through embedded teams, advisory services, and full project execution, applying deep operational expertise and innovation to strengthen national safety, resilience, and sovereignty. Guided by a strong social mandate, the company creates meaningful employment for veterans of the CAF and RCMP and other professionals committed to public service, while fostering a safe, inclusive, and agile workplace that supports career development, professional growth, and impactful work across Canada.

We are seeking an experienced IT Security Design Specialist to support complex defence and government security initiatives. The successful candidate will provide expert‑level security architecture, engineering, analysis, and advisory support across a broad range of enterprise IT and cyber security environments. This role requires deep technical expertise in secure architecture design, network security, risk analysis, and Government of Canada security frameworks and standards.

The ideal candidate brings extensive experience working within secure, enterprise‑level environments and is capable of supporting senior stakeholders through technical analysis, reporting, architecture development, and cyber security advisory services.

• Review, analyze, and apply enterprise architecture methodologies, frameworks, and models such as TOGAF, FEAF, BTEP, GSRM, Zachman, UMM, and related frameworks.
• Assess and apply a broad range of security technologies across multiple systems, architectures, hardware platforms, and software environments.
• Review and apply secure IT architectures, communication standards, and security protocols including IPSec, SSL, SSH, S‑MIME, and HTTPS.
• Analyze and apply security controls across all layers of the OSI and TCP/IP models.
• Evaluate emerging market and technology trends and incorporate findings into architecture roadmaps and security solution designs.
• Apply Government and industry best practices related to network zoning, segmentation, and defence‑in‑depth principles.
• Analyze IT security tools, techniques, statistics, and operational security data.
• Develop security advisories, technical reports, architecture documentation, options analyses, and risk assessments.
• Provide security architecture design and engineering support for enterprise IT initiatives.
• Conduct data security designation and classification studies.
• Develop and distribute tailored IT security alerts and advisories from both open and closed sources.
• Support departmental IT Security and Cyber Protection Program activities.
• Develop and deliver IT Security Design training materials for stakeholders and DND personnel.
• Brief senior managers and stakeholders on IT security design considerations, risks, and recommendations.
• Perform additional related security engineering and advisory tasks as required.

Candidates must possess one of the following:

• Engineering or Science degree from a recognized Canadian university.
• International Engineering or Science degree accredited by CICIC, WES, or University of Toronto Comparative Education Services; or
• Minimum two‑year diploma or certificate in an Information Management / Information Technology (IM/IT) discipline from a recognized college.

In addition, candidates must possess at least one of the following certifications:

• CISM
• CRISC
• CISSP

Proof of education equivalency, diploma, degree, or certification will be required.

The successful candidate must demonstrate:

• Minimum ten (10) years of experience within the last twenty (20) years working as an IT Security Design Specialist.
• Minimum five (5) years of experience within the last ten (10) years reviewing, analyzing, and applying a broad range of security technologies across enterprise systems and architectures.
• Experience with…