Computer Science Cyber Security Jobs in Ottawa, ON

ADGA Group is a Canadian-owned defence and security company that provides integrated, mission-critical technical solutions to Government and industry, specializing in C5ISRT, 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 Technical Architect to support the Command Management & Security (CM&Sec) function within a high-security defence environment.  This role will be responsible for defining and evolving service delivery strategy, technical architecture, and DevSecOps adoption across a complex portfolio of mission-critical applications. The successful candidate will operate at both a strategic and technical level, ensuring solutions align with operational requirements, cyber security priorities, and constrained deployment environments (including shipboard and low-bandwidth scenarios). 

This is a proactive recruitment initiative, with potential start dates in the coming weeks or months, contingent on contract award. 

Key Responsibilities 

Service Delivery & Strategy 

• Develop and maintain the Service Delivery Strategy across the application portfolio  
• Define scope, operating model, and service delivery frameworks aligned to mission requirements  
• Assess application portfolio against business needs, user requirements, and technical fit  
• Evaluate and incorporate open-source solutions where appropriate  

Architecture & Technology Leadership 

• Develop architecture roadmaps, data models, and system integration strategies  
• Define data standards, interface requirements, and system interoperability models  
• Analyze and recommend technology solutions within DND’s secure and constrained environments  
• Design solutions optimized for low-bandwidth and deployed operations (e.g., shipboard use)  

DevSecOps & Automation 

• Lead the implementation of a DevSecOps adoption strategy using GitLab and Azure DevOps  
• Establish repository structures, branching strategies, and CI/CD pipelines  
• Drive automation initiatives to improve operational efficiency and service delivery  
• Integrate analytics and reporting tools to track portfolio performance and KPIs  

Cyber Security & Risk Management 

• Provide a high-level cyber security vision for Command-and-Control (C2) systems  
• Assess security risks, vulnerabilities, and architectural gaps, recommending mitigations  
• Align cyber security practices with allied and partner organizations  

Process Improvement & Governance 

• Conduct impact assessments and change management for technology updates  
• Analyze service performance and drive continuous improvement initiatives  
• Apply ITIL Service Value Chain principles to enhance service delivery  
• Lead stakeholder analysis and recommend strategies to improve engagement and coordination  

Reporting & Communication 

• Prepare and deliver technical briefings to senior leadership  
• Provide regular progress updates and strategic recommendations  

Technical Environment 

• Operating Systems: Windows, Ubuntu, CentOS, Red Hat  
• Virtualization & Containers: Docker, VMware  
• Cloud & DevOps: Azure, GitLab, Azure DevOps (CI/CD)  
• Languages: Java, SQL, HTML  
• Databases: Oracle, MySQL, PostgreSQL, MongoDB

• 5+ years experience as a Technical Architect  
• College diploma or University degree in Computer Science, Engineering, IT, or related discipline  
• Proven experience developing:  
  • Technology architectures and roadmaps  
  • Risk assessments and security frameworks  
  • Technology adoption and sustainability strategies  
• Experience analyzing:  
  • Application architecture security elements  
  • Risks and vulnerabilities with recommended safeguards  
• Experience implementing DevSecOps practices, including:  
  • CI/CD pipelines using GitLab and/or Azure DevOps  
  • Integration of development, acquisition, and operations workflows  
• Experience applying ITIL Service Value Chain principles  
• Experience defining and tracking portfolio performance metrics and analytics  
• Experience working in defence, government, or high-security environments  
• Familiarity with Command-and-Control (C2) systems  
• Experience supporting distributed or bandwidth-constrained systems  
• Strong stakeholder engagement and cross-functional leadership experience 

• Must currently hold or be eligible to obtain and maintain a Secret (Level II) Canadian Federal Government Security clearance. 

If you require accommodations during any stage of the application or interview process, please let us know. We are happy to work with you to meet your needs.

*Our recruitment systems include artificial intelligence–enabled tools; however, AI is not used to screen, evaluate, or make decisions about applicants for this role.

*Unless otherwise stated, all job postings reflect a current vacancy at the time of publication.

Work-Life Balance  

We strongly support a healthy and productive work-life balance. This starts with a flexible approach to work, and policies designed to support employees through their day-to-day routines and major life events. For example, we offer a Maternity/Parental Top-Up (up to 52 weeks) and a Reservist Leave Top-Up (up to 180 days). 

Belong@ADGA  

ADGA continuously strives to integrate advanced Diversity, Equity & Inclusion (DEI) approaches and practices into our work culture. Our employee-based DEI Committee explores activities and invites discussions that foster an environment where all employees feel valued, respected, and heard.

Compensation  

Above and beyond our commitment to offer a competitive base salary, ADGA has a company-wide profit-sharing plan for all full-time and part-time employees.

Comprehensive Benefits and Total Rewards  

We offer a comprehensive benefit program, providing employees with the choice between base or enhanced plans. Depending on the plan, ADGA pays for Health & Dental, a Health Spending Account, Short-Term Disability, an Employee Assistance Program, and a Telemedicine service. Also offered: discounts on gym memberships, 5,000+ perks through Perkoplis, a Deferred Profit Sharing Plan, and access to a wide range of other employee-centric services and savings programs.