SeniorTechnicalArchitect-LinuxSystems&Cloud

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 a Technical Architect with deep expertise in Linux systems, cloud platforms, and enterprise application environments to support Command-and-Control (C2) systems operating across both classified and cloud-based networks. This role will be responsible for system architecture, platform modernization, and operational sustainment of complex environments built on Liferay, Oracle/PostgreSQL, and Linux distributions. The successful candidate will play a key role in system migrations, performance optimization, and ensuring high availability in secure and mission-critical environments. This is a proactive recruitment initiative, with potential start dates in the coming weeks or months, contingent on contract award. Key Responsibilities * Architecture & System Design * Develop and maintain end-to-end system architecture documentation for CV/UCV/MDTS environments * Define architecture across components including databases, application frameworks, middleware, and infrastructure * Produce and maintain technical diagrams, system documentation, and Concept of Support artifacts * System Administration & Operations * Insta