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Added 5 mins ago
R&
Developer - Full Stack – Senior
Robertson & Company Ltd.
Toronto, ON
- Contract
Robertson is seeking a skilled Software Developer - Full Stack – Senior to join our client in support of an existing vacancy.
Added 5 mins ago
R&
Software Developer - Full Stack – Senior
Robertson & Company Ltd.
Toronto, ON
- Contract
Robertson is seeking a skilled Software Developer - Full Stack – Senior to join our client in support of an existing vacancy.
Added 5 mins ago
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Senior AI Platform Engineer (MLOps)
Akkodis
Toronto, ON
- Contract
Akkodis is partnering with a leading institutional investment and pension organization to engage an experienced Senior AI Platform Engineer (MLOps) to support the ongoing growth and…
Added 5 mins ago
QT
Terraform Solution Architect
Q1 Technologies, Inc.
Toronto, ON · Greater Toronto Area, Canada
- $60 to $65 CAD / hour
- Contract
Experience: 5+ years of dedicated experience in Solutions Architecture or senior DevOps Engineering roles.
Added 5 mins ago
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Développeur Java
CGI
Montreal, QC
- Full-time
Chez CGI, nous recherchons un(e) Développeur(se) Java Senior / Expert passionné(e) par l’architecture backend, les environnements cloud modernes et les solutions à fort impact d’affaires.…
Added 7 mins ago
C
Sr. Manager, Production Application Support
CIBC
Toronto, ON
- Full-time
You can demonstrate 9 years experience in. Senior Manager /Consultant in development/providing application support in DataPower or any integration technologies and have experience in…
Added 23 mins ago
Senior Specialist, Software Engineering (Microsoft Dynamics 365 CRM)
CMHC - SCHL
Toronto, ON · Ottawa, ON · Montreal, QC
Join the Business Solutions Engineering team, in the Senior Specialist, Software Engineer (Microsoft Dynamics 365 CRM) position, where the next generations of software applications are…
Added 23 mins ago
Bilingual Senior Specialist, Software Engineering (Microsoft Dynamics 365 CRM)
CMHC - SCHL
Toronto, ON · Ottawa, ON · Montreal, QC
Join the Business Solutions Engineering team, in the Senior Specialist, Software Engineering (Microsoft Dynamics 365 CRM) position, where the next generations of software applications are…
Added 38 mins ago
O
Business Architect, Level 3 – Product Owner & Business Transformation Lead
Orangutech
Remote, Canada
- Temporary
- Remote
Orangutech is looking for a senior Product Owner and Business Transformation Lead to support a federal marine safety modernization initiative.
Added 1 hour ago
AL
Full Stack Engineer
Artech L.L.C.
Mississauga, ON
- $70 to $80 CAD / hour
- Contract
Senior Full Stack Java Developer – React / Spring Boot
Added 1 hour ago
RI
Senior Full Stack Java Developer - React, Spring Boot & MongoDB
Rose International
Mississauga, ON
- Full-time
Job Title: Senior Full Stack Java Developer - React, Spring Boot & MongoDB
Added 1 hour ago
RI
Senior Java Full Stack Developer - Angular | Spring Boot | Microservices
Rose International
Mississauga, ON
- Full-time
Job Title: Senior Java Full Stack Developer - Angular | Spring Boot | Microservices
Added 1 hour ago
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Project Manager
ProxyLink
Toronto, ON
- $110 to $115 CAD / hour
- Contract
Define and execute product vision, strategy, objectives, and delivery plans in collaboration with business stakeholders, technical teams, vendors, and senior leadership.
Added 1 hour ago
CI
Java Developer with AI‑assisted development tools (Co-pilot or cursor)
COGNITO INC
Brampton, ON
- Contract
We are seeking a proficient 5 to 8 year Java Backend Senior Developer in Java Spring Boot
Added 1 hour ago
SD
Senior .NET Developer
Symbiotic Digital
ON · Downsview Central, Ontario
- Contract
We are seeking a Senior .NET Developer to translate
Added 1 hour ago
RB
Senior Manager, Application Development and Integration
Royal Bank of Canada
Toronto, ON
- Full-time
Senior Manager – CNB Treasury Management Integration Services will lead a team of engineers, plan technical projects, collaborate with business partners, bridge the gap between business…
Added 2 hours ago
Senior Backend Developer- .NET
Charger Logistics Inc
Brampton, ON
We are seeking a skilled and performance-minded .Net Core Developer to support and evolve our distributed system of over 100 microservices, built primarily with .NET Core and PostgreSQL.…
Added 2 hours ago
Developer/Technical Architect - Microsoft D365 Customer Engagement
EY
Toronto, ON · Vancouver, BC
EY Canada is seeking a Developer/ Technical Architect to join our growing Microsoft Dynamics 365 Customer Engagement team. Our Microsoft solutions group extends from advisory and planning,…
Added 2 hours ago
RB
Lead Data Engineer
Royal Bank of Canada
Toronto, ON
- Full-time
…architecture. As a Lead Data Platform Engineer, you will be a senior individual contributor and technical lead, owning the design and build of our AWS-based data platform and mentoring…
Added 2 hours ago
OS
Senior Enterprise Architect
Ontario Securities Commission
Toronto, ON
- Full-time
Reporting to the Chief Architect, the Senior Enterprise Architect analyzes existing systems, designs solutions that fit with enterprise standards and best practices, creates and maintains…
Added 2 hours ago
C
Senior Java Developer
Citi
Mississauga, ON
- Full-time
We are seeking an experienced and motivated Senior Java Developer to spearhead the development of robust, scalable, and innovative enterprise applications. The ideal candidate will possess…
Added 3 hours ago
OS
Senior Enterprise Architect
Ontario Securities Commission
Toronto, ON
- Full-time
Reporting to the Chief Architect, the Senior Enterprise Architect analyzes existing systems, designs solutions that fit with enterprise standards and best practices, creates and maintains…
Added 3 hours ago
M
Senior Software Developer
Metrolinx
Canada
- Full-time
We are seeking a Senior Software Developer (Integrations) to design, develop, and deliver scalable, high-performing integration solutions across enterprise systems. This role supports…
Added 3 hours ago
IF
Senior Data Developer
Intact FC
Montreal, QC
- Full-time
We are looking for a Senior Data Developer (Engineer) to help establish the data foundation for Contact Distributor, Intact’s new platform for broker and distributor master data. The…
Added 3 hours ago
Director, Deposits Engineering
Scotiabank
Toronto, ON
…these concepts with technical staff, business stakeholders and senior…

Ontario Securities Commission

Senior Enterprise Architect

Toronto, ON, Canada

Full-time

Apply About employer

Applications open in a new tab.

Job details

Job type: Full-time
Apply by: Nov 4, 2026
Experience: 7+ years of experience as an architect in a complex and fast-paced environment with shifting requirements and iterative scope
Posting language: English
Posted: Oct 5, 2026

Original job description

The Ontario Securities Commission (OSC) is the statutory body responsible for regulating Ontario’s capital markets in accordance with the mandate established in the provincial Securities Act and the Commodity Futures Act. The mandate of the OSC is to provide protection to investors from unfair, improper or fraudulent practices, to foster fair, efficient and competitive capital markets and confidence in the capital markets, to foster capital formation, and to contribute to the stability of the financial system and the reduction of systemic risk. This mandate is performed through policy, operational, and enforcement activities. The OSC also contributes to national and global securities regulation development.

We offer a diverse, fair, and flexible work environment and take pride in our challenging and rewarding work.

Reporting to the Chief Architect, the Senior Enterprise Architect analyzes existing systems, designs solutions that fit with enterprise standards and best practices, creates and maintains architecture artifacts, collaborates with various stakeholders and helps to identify deficiencies and opportunities for improvement.

The Senior Enterprise Architect will help to establish the Enterprise Architecture practice, deal with complex issues in alignment with the Chief Architect, and coach other Enterprise Architects within the function.

Key Duties and Responsibilities

Lead the design solutions to meet business needs in partnership with other internal and external stakeholders and vendors.
Provide an array of IT solution options, and propose solid recommendations based on needs, risk vs. cost vs. benefits and other impacts on solution decisions.
Ensure solutions fit with enterprise standards and best practices.
Identify and document solution gaps (technical debt) and actively work with product owners to assess product enhancement opportunities or alternate solutions.
Collaborate with various partners like business, project delivery, and technology.
Support tech leads/tech owners/SME’s where required.
Assist in IT assessments, collaborating with internal IT partners and external vendors.
Provide strategic consultation to business and IT leaders.
Lead meetings to review architecture activities and solution proposals.
Present solutions at architecture review boards to obtain consensus and approval.
Create, update, and maintain architecture inventories, reference models, architectural blueprints, and roadmaps/strategies.
Capture current state Architecture and establish future state Architecture vision, supporting the Business and IT strategy and vision. Develop roadmaps to achieve this future state.
Lead and facilitate the research and assessment of new approaches and technologies for potential use within the organization.
Lead analysis of the current IT environment to detect critical deficiencies and recommend solutions for improvement.
Promote the architecture process, outcomes, and results to the organization and senior leadership.
Provide guidance to team members to identify and manage issues, seek out innovative solutions to complex problems and manage communication with key stakeholders.
Mentor new and existing staff to ensure standards and internal processes are followed and adhered to, providing technical guidance, and setting expectations on the work that needs to be delivered.
Provide support to the Chief Architect in final review of work deliverables, acting as a first level of escalation for team issues, leading the team by addressing all project and on-going work issues in the absence of the Chief Architect.
Partner with management to enhance enterprise architecture processes and to ensure on-time, efficient and high-quality results.
In collaboration with Chief Architect, set out work priorities for respective initiatives and projects addressing key project issues that may affect timelines.

Qualifications

Undergraduate degree in an IT-related discipline or equivalent.
7+ years of experience as an architect in a complex and fast-paced environment with shifting requirements and iterative scope
Strong knowledge of various architecture domains including data, application, technology, and security.
Experience addressing operational and non-functional concerns (e.g., scalability, performance, maintainability, load distribution, resilience, recovery, security, and privacy).
Experience documenting complex systems, clearly articulating current state, future state, and transition phases.
Experience in establishing guidelines/guardrails and best practices.
Experience designing cloud-based applications.
Strong understanding of both on-premises (end-user computing technologies, client-server applications, web applications, database technologies, data center technologies) and cloud (SaaS, PaaS, IaaS) technology architectures, with demonstrated experience working on-premises to cloud migration projects.
Knowledge of common architecture patterns (e.g., microservices, SOA, Event sourcing, etc.).
Experience with data and application integration patterns (APIs, messaging, streaming, sync/async, etc.).
Strong awareness of DevOps practices and Agile
Solid experience with Microsoft Azure Services
Microsoft Azure, ITIL, DevOps or Agile certifications would be an asset.
Application Portfolio rationalization experience
Experience with solution cost forecasting.
Proven experience delivering high-quality presentations to C-level executives.
Ability to translate business requirements into simple and elegant solutions.
Ability to convey complex technical ideas to the understanding of a non-technical audience.
Ability to develop and present new ideas and conceptualize new approaches and solutions.
Solid analytical and problem-solving skills.
Excellent verbal and written communication skills.
Excellent interpersonal skills, including leadership, teamwork, facilitation, and negotiation.
Informal leadership ability.
Proven ability to coach and develop others.

Grow your career and make a difference working at the OSC.

OSC Employees: please apply in Workday using the Browse Jobs feature within your Jobs Hub *

We thank all applicants for their interest in the Ontario Securities Commission. We will contact those selected for an interview.

The OSC is committed to diversity and providing an inclusive workplace and providing accommodation in accordance with the Accessibility for Ontarians with Disabilities Act and the Human Rights Code. It is our priority to ensure employment opportunities are visible and barrier-free to all under-represented groups including but not limited to, Indigenous, Black and racialized groups, people with disabilities, women and people from the 2SLGBTQI+ community, to achieve an employee demographic profile reflective of the demographic profile of Ontarians.

The OSC is a proud partner with the following organizations: Ascend Canada, BlackNorth Initiative, Canadian Centre for Diversity and Inclusion, and Pride at Work Canada

If you require an accommodation during the recruitment process, please let us know by contacting our confidential inbox HRRecruitment@osc.gov.on.ca.

Visit Accessibility at the OSC to review the OSC’s policies on accessibility and accommodation in the workplace.

Apply About employer

More about this job

Responsibilities

Lead the design and assessment of enterprise solutions, ensuring alignment with business needs, enterprise standards, and technology best practices. Maintain architecture artifacts and roadmaps, advise stakeholders, present proposals for approval, and mentor architects and team members.

Requirements

Requires an IT-related undergraduate degree or equivalent and at least seven years of architecture experience in a complex environment. Candidates should have broad expertise across architecture domains, Azure and cloud migration, integration patterns, operational and non-functional requirements, and the ability to communicate, lead, and coach effectively.

Skills

Enterprise Architecture
Solution Architecture
Cloud Architecture
Microsoft Azure
On-Premises To Cloud Migration
Data And Application Integration
Architecture Documentation
Technology Assessment
Solution Cost Forecasting
DevOps
Agile
ITIL
Stakeholder Management
Leadership And Mentoring
Communication And Presentation

Visa sponsorship

Not detected in the job text

Keywords

Enterprise Architecture
Solution Architecture
Data Architecture
Application Architecture
Technology Architecture
Security Architecture
Microsoft Azure
Cloud Computing
SaaS
PaaS
IaaS
On-Premises To Cloud Migration
Microservices
Service-Oriented Architecture
Event Sourcing
APIs
Messaging
Streaming
DevOps
Agile
ITIL
Solution Cost Forecasting
Scalability
Performance
Resilience
Disaster Recovery
Technical Debt
Architecture Roadmaps
Capital Markets

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