Senior Technical Architect - Linux Systems & Cloud/ Liferay Platform) (Ottawa)

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.

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 Concep...