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Senior Application/Software Architect to support our clients Enterprise Architecture Initiative, priorities, and outcomes within the Public Sector

Company: S.i. Systems

Location: Ottawa, London

Posted: March 23, 2026

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Position Details

Our valued client is looking for a Senior Application/Software Architect to support our clients Enterprise Architecture Initiative, priorities, and outcomes within the Public Sector

This role is responsible for assessing current-state application architecture, defining future-state models, setting architecture standards, and shaping a multi-year technology roadmap aligned to business, security, and regulatory requirements. You will work closely with senior stakeholders, delivery teams, and vendors to guide solution design, integration strategy, and governance while enabling teams through coaching and structured reviews.

Key Deliverables

  • Develop technical architectures, frameworks and strategies to meet business and application requirements.
  • Identify policies and business requirements that drive solution options and strategic recommendations.
  • Analyze and evaluate alternative technology solutions, including market and trend scans, to address business...