solution architect.

A high-profile, non-profit global organization located in downtown Montreal is seeking a Senior Solution Architect to take full ownership of end-to-end application design and technical strategy across its core software portfolio.

In this mandate, you will bridge executive vision and technical execution—designing resilient, scalable architectures that integrate custom software builds, enterprise COTS systems, and cloud platforms. You will work closely with cross-functional business stakeholders, internal engineering groups, and external vendors to enforce best practices, optimize application performance, and align solution design with overarching enterprise governance.

Advantages
Competitive contract rate package.

Flexible hybrid model (3 days per week in-office).

Long-term 12-month initial term with strong likelihood of extension.

High-visibility position impacting critical enterprise-wide software initiatives.

Dynamic, collaborative environment combining modern cloud stacks and large-scale integrations.

Responsibilities
Architecture Leadership: Own the end-to-end architectural design for core business applications, leading design sessions to present viable technology options to IT and business leaders.

Technical Strategy & Integration: Establish overall system, data, and integration frameworks (with strong focus on REST/SOAP web services and MuleSoft solutions).

Enterprise Governance: Align solution specifications with broader enterprise standards, authoring comprehensive high-level design (HLD) blueprints and establishing reusable architectural assets.

Quality & Security Assurance: Conduct code reviews, identify potential application performance bottlenecks early, and recommend proactive security/vulnerability mitigations.

Domain Security Awareness: Provide high-level guidance on security concepts (such as IAM/PAM, data protection, and asset management) as they relate to general solution design.

Delivery & Collaboration: Partner with PMO and development teams under Agile/Scrum frameworks to refine sizing, gap analyses, and delivery schedules.

Qualifications
Education: Bachelor’s degree in Computer Science, Software Engineering, or equivalent technical discipline.

Experience: Minimum of 5 years as a Solution Architect, backed by 5 to 7 years of deep, senior-level hands-on experience with Microsoft technologies and Amazon Web Services (AWS).

Core Tech Stack: Strong practical background in Java/JEE or .NET, Cloud environments (SaaS/PaaS/IaaS), and Web Services (SOAP/REST).

Integration Expertise: Demonstrated track record architecting complex integrations, COTS configurations, and custom software systems. Experience with MuleSoft is considered a strong asset.

Security & Enterprise Systems: Familiarity with ERP/CRM environments and working knowledge of fundamental security domain concepts (IAM/PAM, Data Loss Prevention, or Vulnerability Management).

Communication: Exceptional ability to clearly explain complex technical solutions to executive business stakeholders.

Our client operates in Canada. The company takes all reasonable steps to limit the number of positions in Quebec that require knowledge of a language other than French, and only requires it when necessary and its existing bilingual employees are unable to perform these duties. Based on an assessment conducted by our client, it has been determined that this position requires candidates to be fluent in English (both spoken and written). In particular, this position will require the employee to interact with centralized internal departments (e.g., Operations / HR / Finance / Legal / Contracts / Sales) that support the organization in Canada and that do not speak French.

Summary
Location / Emplacement: Montreal, QC (Hybrid - 3 days/week in office near Square-Victoria) / Montréal, QC (Hybride - 3 jours/semaine au bureau près du Square-Victoria)

Duration / Durée: 12 Months (Contract, Renewable) / 12 mois (Contrat, renouvelable)

Schedule / Horaire: 40 hours per week / 40 heures par semaine

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. show more