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Added 11 hours ago
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Strategic Industry Advisor - Lumber & Forest Products
Timberflows
Cambridge, ON
- Full-time
We are seeking a Strategic Industry Advisor - Lumber & Forest Products with extensive senior-level experience in the lumber, forest products, lumber distribution, trading, or related…
Added 1 day ago
MS
Senior Construction Project Manager
ML6 Search + Talent Advisory
Toronto, ON
- Full-time
We are seeking a Senior Project Manager to lead the delivery of multiple concurrent multi-family residential construction projects across the GTA. This role will take ownership across…
Added 1 day ago
Advisor, Corporate Services
Regional Municipality of Wood Buffalo
Fort McMurray, AB
Working under minimal supervision, the Advisor, Corporate Services plans, advises, supports, and executes strategies to improve the efficiency and effectiveness of Corporate Services’…
Added 1 day ago
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Financial Analyst - Gracorp
Graham
Toronto, ON
- Full-time
Reporting to senior leaders within Graham , you will support the evaluation, development, financing, and delivery of complex infrastructure and development opportunities while contributing…
Added 1 day ago
PS
Senior Manager Cybersecurity - Governance Risk and Compliance
Professional Staffing
Toronto, ON · Greater Toronto Area, Canada
- $140,000 to $160,000 CAD / year
- Full-time
The Senior Manager will serve as a trusted cybersecurity advisor to IT leadership, Executive Management, and senior business stakeholders, translating complex cybersecurity and technology…
Added 1 day ago
Gestionnaire de projet, portefeuille de bâtiments publics / Project Manager, Public Buildings Portfolio
Tiree
Montreal, QC
Added 1 day ago
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Senior Security Architect
Ontario Securities Commission
Toronto, ON
- Full-time
Act as a trusted advisor to senior leaders, project teams, and technology stakeholders.
Added 1 day ago
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Gestionnaire de projet, portefeuille de bâtiments publics / Project Manager, Public Buildings Portfolio
Tiree
Montreal, QC
- Full-time
Added 1 day ago
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Senior SAP S/4HANA Finance (FI/CO) Consultant
CGI
Toronto, ON
- Full-time
As a Senior Consultant, you will act as a trusted advisor, working directly with client business teams to understand their complex financial processes, design modern solutions, challenge…
Added 1 day ago
OS
Senior Security Architect
Ontario Securities Commission
Toronto, ON
- Full-time
Act as a trusted advisor to senior leaders, project teams, and technology stakeholders.
Added 1 day ago
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Senior Consultant, Infrastructure Cost & Commercial (Senior Estimator/QS)
Turner & Townsend
Toronto, ON
- Full-time
Our capabilities include programme, project, cost, asset and commercial management, controls and performance, procurement and supply chain, net zero and digital solutions.
Added 1 day ago
T&
Senior Consultant, Infrastructure Cost & Commercial (Senior Estimator/QS)
Turner & Townsend
Toronto, ON
- $125,000 to $150,000 CAD / year
- Full-time
Our capabilities include programme, project, cost, asset and commercial management, controls and performance, procurement and supply chain, net zero and digital solutions.
Added 1 day ago
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Senior Advisor, Ethics & Compliance Policies & Directives
Bombardier
Dorval, QC
- Full-time
Collaborate closely with stakeholders across the organization, including Legal, Human Resources, Procurement, Finance, Information Technology and business units, to develop, review and…
Added 1 day ago
SC
Manager, Development Engineering
Sturgeon County
AB · Sturgeon County, AB
- Full-time
…stakeholders, the Manager serves as the County’s principal advisor on technical development matters, infrastructure capacity, and development risk, ensuring development activities support…
Added 1 day ago
BH
Senior Procurement Advisor (Supply Chain Policy Advisor)
BC Hydro
Burnaby, BC
- Full-time
…wide. These policies and procedures ensure that BC Hydro’s procurement of goods, services, and construction meets existing regulatory, legislative, and trade agreement obligations. With an…
Added 2 days ago
SL
Customer Success Manager/Engineer
Speedy Labs
Remote, Canada
- $60,000 to $120,000 USD / year
- Contract
- Remote
Become a trusted advisor: Build strong relationships with finance, procurement, operations, IT, and executive stakeholders.
Added 2 days ago
W
Senior Project Director, Nuclear
Worley
Markham, ON
- Full-time
The Senior Project Director will be accountable for the successful development and delivery of a major nuclear project, providing leadership continuity from project definition and execution…
Added 2 days ago
W
Senior Project Director, Nuclear
Worley
Oakville, ON
- Full-time
The Senior Project Director will be accountable for the successful development and delivery of a major nuclear project, providing leadership continuity from project definition and execution…
Added 2 days ago
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Culinary Advisor (City of Toronto)
Sysco
Toronto, ON · Sysco Toronto
- Full-time
In partnership with the City of Toronto, the Culinary Advisor will work collaboratively with the City of Toronto Manager of Food and Dietetic Services, Menu Planner, and the Sysco Support…
Added 2 days ago
SC
Culinary Advisor (City of Toronto)
Sysco Canada Inc.
Toronto, ON · Greater Toronto Area, Canada
- Full-time
In partnership with the City of Toronto, the Culinary Advisor will work collaboratively with the City of Toronto Manager of Food and Dietetic Services, Menu Planner, and the Sysco Support…
Added 2 days ago
Senior Manager, Global Events [12 Month Contract]
Scotiabank
Toronto, ON
The Senior Event Manager contributes to the overall success of the Global Events team by leading the strategic planning and end-to-end delivery of complex, high-profile events that advance…
Added 2 days ago
I
Technology Procurement Lead
illumin
Toronto, ON
- Full-time
Reporting to the CFO, we are hiring a Technology Procurement Lead to own procurement across illumin, with a primary focus on SaaS, software, technology services, hardware, and other…
Added 2 days ago
Manager, Legal Affairs
Pomerleau
Ottawa, ON · Toronto, ON
…infrastructure projects across Canada. Acting as a trusted advisor to senior leaders and project teams, you will oversee complex commercial and construction matters, manage legal risk, and…
Added 2 days ago
GO
Senior Communications Advisor
Government of Yukon
Whitehorse, YT
- Full-time
You will also lead procurement processes, manage contracts, and oversee the work of external service providers supporting the project. You will gather and analyze information, develop…
Added 2 days ago
W
Director, Project Management
Worley
Oakville, ON · Markham, ON
- Full-time
The Senior Project Director will be accountable for the successful development and delivery of a major nuclear project, providing leadership continuity from project definition and execution…

Ontario Securities Commission

Senior Security Architect

Toronto, ON, Canada

Full-time

Apply About employer

Applications open in a new tab.

Job details

Job type: Full-time
Apply by: Oct 20, 2026
Posting language: English
Posted: Oct 2, 2026

Original job description

Business UnitRegular, Full timeClosing Date: October 20, 2026

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.

The Ontario Securities Commission (OSC) is seeking a strategic and experienced Senior Security Architect to lead the evolution of our enterprise security architecture and cybersecurity strategy.

In this highly visible role, you will partner with business and technology leaders to strengthen the OSC's security posture, mitigate emerging threats, and ensure security is embedded across technology solutions, business initiatives, cloud environments, and third-party relationships. You will serve as a trusted advisor and subject matter expert, helping to safeguard the systems and information that support Ontario's capital markets.

What You'll Do

Lead Security Strategy & Architecture

Define and evolve the OSC's enterprise security architecture, standards, controls, and governance framework.
Design and recommend security solutions that align with business objectives and industry best practices.
Identify emerging threats, assess architectural risks, and develop mitigation strategies.
Evaluate and recommend new security technologies and tools to strengthen cybersecurity capabilities.
Lead security architecture reviews and threat modeling activities for new initiatives, projects, and technology solutions.
Embed Security-by-Design and Zero Trust principles into solution design and Architecture Review Board (ARB) processes.
Develop and maintain security architecture roadmaps aligned with OSC's strategic and cybersecurity objectives.
Assess emerging technologies, including AI, automation, and digital innovation platforms, for security and risk implications.
Provide leadership on identity security, privileged access management (PAM), conditional access, Zero Trust architecture, and secure access strategies.

Drive Risk Management & Compliance

Lead threat and risk assessments for new and existing technologies, projects, and third-party engagements.
Establish security metrics, KRIs, and KPIs to support informed decision-making.
Conduct security reviews and provide recommendations to improve controls and security effectiveness.
Support compliance with industry frameworks such as NIST, CIS Controls, and ISO 27001.
Support the development and maintenance of security policies, standards, reference architectures, and control frameworks aligned with NIST CSF 2.0, ISO 27001, and industry best practices.
Lead Information Security Assessments (ISAs), threat and risk assessments, and cybersecurity due diligence activities.

Strengthen Third-Party & Cloud Security

Assess suppliers and vendors for security risks and compliance.
Review security assurance reports and collaborate on contractual security requirements.
Guide secure cloud adoption across Azure and AWS environments.
Promote secure development practices and DevSecOps integration.
Assess third-party cybersecurity programs beyond SOC reports and certifications.
Evaluate cloud security architectures across Azure, AWS, SaaS, and hybrid environments.
Support vendor security reviews, procurement initiatives, and technology risk assessments.

Provide Leadership & Advisory Expertise

Act as a trusted advisor to senior leaders, project teams, and technology stakeholders.
Contribute to cybersecurity strategy, governance, and awareness initiatives.
Support vendor evaluations, procurement activities, and strategic technology decisions.
Provide technical leadership and mentorship across security and cross-functional teams.

What You Bring

University degree in Computer Science, Engineering, or a related discipline.

12+ years of progressive experience in Security Architecture, Cybersecurity, Enterprise Architecture, or Information Security, including experience providing strategic guidance to senior leadership.

Expertise in security architecture, threat and risk assessment, governance, and compliance.
Strong knowledge of cloud security, application security, network security, and secure systems design.
Ability to translate complex technical risks into practical business recommendations.
Exceptional communication, stakeholder management, and influencing skills.

CISSP strongly preferred. CISM, CCSP, CISA, TOGAF, SABSA, Azure Security, AWS Security, or equivalent security architecture certifications are considered strong assets.
Experience with threat modeling methodologies (e.g., STRIDE), cloud security architecture, Zero Trust, third-party risk management, security governance, and cybersecurity transformation initiatives.

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

The Senior Security Architect will lead the evolution of enterprise security architecture and cybersecurity strategy to safeguard capital market systems. This role involves partnering with business leaders to embed security-by-design, manage architectural risks, and oversee third-party and cloud security initiatives.

Requirements

Candidates must possess a university degree in Computer Science or Engineering and at least 12 years of progressive experience in security architecture or information security. Strong expertise in cloud security, risk assessment, and industry frameworks like NIST and ISO 27001 is required, with professional certifications such as CISSP strongly preferred.

Skills

Security Architecture
Cybersecurity Strategy
Cloud Security
Risk Management
Zero Trust
Identity Security
Threat Modeling
Governance
Compliance
Azure
AWS
DevSecOps
Information Security
Enterprise Architecture
Stakeholder Management
Strategic Planning

Visa sponsorship

Not detected in the job text

Keywords

Security Architecture
Cybersecurity
Enterprise Architecture
Cloud Security
Azure
AWS
Zero Trust
NIST
ISO 27001
CISSP
CISM
CCSP
CISA
TOGAF
SABSA
Threat Modeling
Risk Management
DevSecOps
Identity Security
PAM
Governance
Compliance
Information Security
Capital Markets
Strategic Leadership
Third-party Risk Management
Security Controls
Automation
AI
Digital Innovation

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