We are seeking a Technical Architect with deepexpertisein Linux systems, cloud platforms, and enterprise application environments to support Command-and-Control (C2) systemsoperatingacross both classified and cloud-based networks.This rolewill be responsible forsystem 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.

Technical

Environment UNIX, AIX, RHEL, Alma Linux, Ubuntu Azure, AWS, Entra ID Scripting: Bash, PowerShell, Python Databases: Oracle, PostgreSQL Middleware / Applications: Other: Node.js (supporting components), ITSM tools and processes Define architecture across components including databases, application frameworks, middleware, and infrastructure Install, configure,optimize, and administer Linux-based systems (RHEL, Alma Linux, Ubuntu, AIX, UNIX) Maintain system operations through daily verification, monitoring, and scheduled maintenance Troubleshoot and resolve complex system and performance issues CV systems to updated Liferay, RHEL/Alma Linux, and PostgreSQL in classified environments UCV systems to updated platforms in Azure or AWS cloud environments Develop andmaintainBash, PowerShell, and Python scripts to automate administrative and operational tasks Database & Middleware Management Support andoptimizeOracle and PostgreSQL databases Performance,



Backup & Recovery Analyze system performance and implement corrective and optimization measures Provideknowledge transfer and technical guidance to internal teams Technical Environment UNIX, AIX, RHEL, Alma Linux, Ubuntu Azure, AWS, Entra ID Scripting: Bash, PowerShell, Python Databases: Oracle, PostgreSQL Middleware / Applications: Other: Node.js (supporting components), ITSM tools and processes ~5+ yearsexperience as a Technical Architect ~ College diploma or University degree in Computer Science, Engineering, IT, or related field ~ Minimum 5 years of Linux administration experience within the last 10 years ~ Linux server installation, configuration, and maintenance ~ System troubleshooting and performance optimization ~ Technical documentation and architecture design ~5–10+years experienceadministering enterprise Linux environments (RHEL, Alma, Ubuntu) ~ Experience with cloud platforms (Azure and/or AWS) ~ Experience supporting Oracle and PostgreSQL databases ~ 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. Our recruitment systems include artificial intelligence–enabled tools; however, AI is not used to screen, evaluate,



or make decisions about applicants for this role. *This starts with a flexible approach to work, and policies designed to support employees through their day-to-day routines and major life events.

ADGA continuously strives to integrate advanced Diversity, Equity & Inclusion (DEI) approaches and practices into our work culture. 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. Depending on the plan, ADGA pays for Health & Dental, a Health Spending Account, Short-Term Disability, an Employee Assistance Program, and a Telemedicine service.

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 secure, inclusive, and agile workplace that supports career development, professional growth, and impactful work across Canada. #

📌 Senior Technical Architect - Linux Systems & Cloud (Ottawa)
🏢 Socket.dev
📍 Ottawa