senior technology architect.

We are seeking a highly accomplished Senior Technology Architect to provide technical solution design and information architecture expertise for a high-priority, time-sensitive infrastructure modernization initiative. In this role, you will hold complete architectural ownership over migrating business-critical databases off legacy operating systems onto supported, modern hosting platforms (on-premise and cloud environments). You will lead in-depth technical reviews, map out existing structural states, design target solutions, and guide technical teams to decommission out-of-support systems while ensuring compliance with formal enterprise architecture frameworks.

Location: Remote

Duration: 8-month contract.

Advantages
Core Evergreening Ownership: Lead a high-priority decommissioning initiative that eliminates legacy security and financial risks.

Governance Mastery: Gain deep, referenceable experience navigating formalized public sector enterprise architecture frameworks and gate reviews.

Technical Stack Evolution: Bridge legacy physical servers with modern Oracle database architectures and cloud hosting environments.

Flexible Remote Autonomy: Deliver critical enterprise-scale value while working in a fully remote setup.

Responsibilities
Solution Architecture & Blueprinting: Map, document, and design "as-is" state architectures, translating them into robust target solution blueprints using MS Visio.

Technical Reviews & Assessments: Lead highly complex technical reviews, infrastructure assessments, and system audits to align upcoming migrations with overall enterprise priorities.

Governance & Compliance Documentation: Author and complete all required corporate architecture deliverables to satisfy standard enterprise governance gating points and framework requirements (such as the Zachman Framework).

Migration Strategy Execution: Architect transition pathways to move application databases off legacy Unix/Solaris systems and onto modern, supported hardware and cloud infrastructure, overseeing Oracle database upgrades where applicable.

Infrastructure & Networking Guidance: Define detailed technical infrastructure requirements—including network topologies, security constraints, and storage paths—for delivery teams.

Vendor & Service Specification: Develop precise technical architecture specifications, deployment guides, and maintenance playbooks for vendors and internal service providers.

Technical Team Leadership: Work closely with technical specialists, database administrators, and application owners to ensure all provisioning activities align directly with approved design blueprints.

Qualifications
Enterprise Architecture Seniority: 10+ years of progressive experience in technical information architecture, infrastructure design, and solution modeling.

Public Sector Framework Prowess: Proven experience designing and documenting architectures within large-scale public sector enterprise environments (Strictly Required).

Visual Blueprinting Mastery: Hands-on expertise designing "as-is" systems and creating comprehensive solution architecture blueprints utilizing MS Visio (Strictly Required).

Infrastructure Migration & Database Depth: Demonstrated technical background leading complex, multi-component migration projects (specifically moving legacy OS/database tiers over to modern supported infrastructure) (Strictly Required).

Governance Gating Literacy: Solid track record of authoring corporate architecture documentation to successfully pass formal technology gating reviews (Strictly Required).

Hosting Environment Expertise: Strong conceptual and practical knowledge of both on-premise data centers and modern cloud hosting platforms, including database software (Oracle), security gateways, and networking requirements.

Soft Skills: Outstanding analytical, decision-making, and consultative communication skills, with a proven ability to guide cross-functional technical specialists.

Summary
If you're interested in the "Senior Technology Architect" role based in Toronto, we encourage you to apply online at Only qualified candidates will be contacted for the next steps. We look forward to hearing from you!

Randstad Canada is committed to fostering a workforce reflective of all peoples of Canada. As a result, we are committed to developing and implementing strategies to increase the equity, diversity and inclusion within the workplace by examining our internal policies, practices, and systems throughout the entire lifecycle of our workforce, including its recruitment, retention and advancement for all employees. In addition to our deep commitment to respecting human rights, we are dedicated to positive actions to affect change to ensure everyone has full participation in the workforce free from any barriers, systemic or otherwise, especially equity-seeking groups who are usually underrepresented in Canada's workforce, including those who identify as women or non-binary/gender non-conforming; Indigenous or Aboriginal Peoples; persons with disabilities (visible or invisible) and; members of visible minorities, racialized groups and the LGBTQ2+ community.

Randstad Canada is committed to creating and maintaining an inclusive and accessible workplace for all its candidates and employees by supporting their accessibility and accommodation needs throughout the employment lifecycle. We ask that all job applications please identify any accommodation requirements by sending an email to View email address on randstad.com to ensure their ability to fully participate in the interview process.

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