Senior I&IT Architect

Fonction publique de l'Ontario; Toronto; On-site; CAD 120,000 - 170,000; Full time

Benefits offered by this job

Flexible learning opportunities

Defined-benefit pension plan

Employee networks and support

Job summary

The Ontario Public Service is seeking a Senior I&T Architect to provide architecture leadership across network security and campus networking for GovTechON. You will shape secure, resilient, and scalable architectures that align with enterprise objectives while embedding security-by-design principles.

You will work closely with service providers, internal teams, and ministries to develop reference architectures, standards, and roadmaps, enabling complex enterprise initiatives and secure

Qualifications

• Knowledge of architecture frameworks within infrastructure and/or network security domains.
• Engineering design experience delivering large-scale enterprise implementations involving SD-WAN, routing, and NGFW technologies.
• Experience with SSE, network segmentation, and wireless-first campus networks.

Responsibilities

• Lead the design and enablement of enterprise IT architecture solutions with focus on networking, security, and core infrastructure services.
• Develop scalable, secure architecture strategies to support multi-ministry initiatives.
• Provide architecture leadership, standards, and roadmaps guiding technology evolution and design decisions.

Skills

SD-WAN

enterprise routing

NGFW

campus networking

security-by-design

architecture leadership

stakeholder collaboration

Job description

Ministry of Public and Business Service Delivery and Procurement

GovTechON - Infrastructure, Technology and Operations; Telecommunications Branch

Guelph, North Bay, North York, Oshawa, St Catharines, Toronto

Are you a seasoned network and telecommunications architect with proven engineering design experience in SD-WAN, enterprise routing, next-generation firewalls, enterprise network security architectures, and wired and wireless campus networks? Join a collaborative team of senior architects where you'll help shape secure, resilient and scalable infrastructure services that support government programs and services across Ontario. You'll provide both strategic architecture leadership and hands‑on technical guidance across complex enterprise initiatives.

About the job

The Infrastructure Technology and Operations Division (ITOD), Telecommunications Services Branch within GovTechON, is seeking aSenior I&IT Architect to providearchitecture leadership across network security and campus networking. The organization currently operates using a managed service model in which service providers build and operate solutions. Architects set architectural direction, define standards, and provide integration guidance, while remaining hands‑on as needed to support new capabilities, architectural evaluations, solution integration, and high‑impact initiatives. You will work closely with service providers, internal teams, and ministries to designsecure, resilient, and scalable architectures that align with enterprise objectives. All architects are expected to embedsecurity‑by‑design principles into their work, regardless of primary focus.

As part of our team, you will:

• lead the design and enablement of enterprise IT architecture solutions, with a strong focus on networking, security, and core infrastructure services
• support multi‑ministry initiatives by developing smart, scalable, and secure architecture strategies
• provide architecture leadership within your primary domain, including the development of reference architectures, architecture standards, and roadmaps that guide technology evolution and inform practical design decisions
• evaluate technologies and architectures (e.g., new connectivity models, modern security access services)
• be accountable for architectural outcomes and actively support successful execution through close collaboration with service providers and key stakeholders
• translate business, security, and operational requirements into robust, scalable, and secure network architectures
• review, provide architectural input on, and guide service provider designs to ensure alignment with enterprise architecture and risk tolerance
• develop integration designs across multiple service providers and platforms
• support critical implementation and change activities for complex or high‑impact initiatives

What you bring to the team

Technical knowledge and experience

• knowledge of architecture frameworks, particularly within infrastructure and/or network security domains
• demonstrated engineering design experience delivering large‑scale enterprise implementations involving SD-WAN, enterprise routing, and Next Generation Firewall (NGFW) technologies
• knowledge and experience in one or more of the following areas: Security Service Edge (SSE), network segmentation, and wireless‑first campus network architectures
• proven depth in one or more enterprise networking or network security domains, paired with the willingness and capability to contribute across related domains and continuously build new expertise
• ability to assess architectural risk and thoughtfully balance security, resiliency, operability, and user experience
• experience producing, reviewing, and validating architecture artefacts such as reference architectures, solution designs, and integration patterns
• familiarity with industry standards, performance management practices, change management processes, and service delivery models

Analytical and strategic thinking

• able to design architecture solutions for complex, long‑term initiatives
• skilled at solving integration challenges and navigating unclear or evolving requirements
• able to research, evaluate, and recommend innovative architecture strategies
• comfortable developing performance measures and adapting tonew technologies

Communication skills

• confident in presenting architectural strategies and recommendations to senior executives
• able to explain complex technical concepts in clear, business‑friendly language
• experienced in advising stakeholders and promoting architecture best practices

Collaboration and consultation

• strong facilitation skills to bring together diverse stakeholders
• the ability to work effectively with service providers and align teams around shared goals
• experience leading discussions on performance, capacity, and architecture strategy

Don't meet every qualification?

How we support diversity, inclusion and accessibility

We are building an inclusive workforce that reflects the communities we serve. We encourage everyone interested in working with us to apply, including people with disabilities, Indigenous, Black and racialized individuals, as well as people from all ethnicities, cultures, sexual orientations, gender identities and gender expressions.

Our hiring process is accessible, consistent with Ontario's Human Rights Code and the Accessibility for Ontarians with Disabilities Act, 2005. We are working to prevent and remove barriers in our hiring processes and can offer accommodation to address specific needs related to Code‑protected grounds such as disability, family status and religion. For more information about accommodation during the hiring process please contact us.

Learn more about the work the OPS is doing to create an inclusive, anti‑racist, accessible and diverse workplace:

• diversity, equity and inclusion initiatives
• accessibility
• Anti‑Racism Policy

What we offer

The Ontario Public Service is one of Ontario's largest employers. Employees work for a wide range of ministries, with offices in more than 70 cities across the province. We offer:

• a career that can grow across ministries and job functions
• flexible learning and developmental opportunities, including education and mentorship programs
• many employee networks offering support for and education about underrepresented groups
• tailored work arrangements, including opportunities like flex hours, self‑funded leave and more

Our comprehensive compensation and benefits package includes:

• a defined‑benefit lifetime pension plan (guaranteed, ongoing inflation‑protected income after retirement)
• group health, dental, life and disability benefits
• a range of vacation and leave options
• an Employee and Family Assistance Program, which provides confidential counseling services

Language requirements and assessment:
All external Ontario Public Service (OPS) job ads are posted in English and French. Check the "position(s) language" section at the top of each job ad for the language requirements. For all roles, candidates are assessed in English, the business language of the OPS. If the position is bilingual (English/French), you'll also need to pass a French-language proficiency test.