Senior Infrastructure Architect

Are you looking to join one of Greater Toronto’s Top 2026 Employers ?

The Ontario Medical Association (OMA) advocates for and supports doctors, seeking to strengthen their leadership role in caring for patients.

We continually seek to be the trusted voice in transforming Ontario’s health-care system by courageously pursuing best practices, new ideas, solutions, and opportunities to improve.

Job summary This position is responsible for planning, designing, and implementing enterprise infrastructure, including networks, data centers, disaster recovery and business continuity plans to meet business requirements.

This position is also responsible in conducting research on emerging technologies and recommend solutions that enhance cost effectiveness and infrastructure flexibility.

How you will make a difference Designing, implementing and maintaining organization’s infrastructure.

Ensuring that all the systems including, IT hardware, software, servers, clients and networks function securely and efficiently to meet the business requirements.

Managing, monitoring, and updating existing infrastructure components as business needs evolve.

Evaluating and operationalizing new infrastructure services and features for applicability ensuring they are architecturally aligned with industry leading practices.

Reviewing and contributing to disaster recovery and business continuity planning and contributing to test the disaster recovery plans.

Implementing solutions to monitor OMA systems and configure alerts based on monitoring data.

Acting as subject matter expert in assigned projects providing expertise in cloud and various on-prem technologies.

Performing day-to-day activities including administering and troubleshooting on-prem and cloud systems Requirements that are important to us University degree in Computer Science, Engineering, or a related discipline, or an equivalent combination of education and hands‑on experience Six to nine years of relevant experience supporting enterprise IT infrastructure in an internal IT environment Proven expertise managing network infrastructure, including switches and wireless access points (Cisco, Aruba, or equivalent), with strong knowledge of VLANs, routing, PoE, Wi‑Fi security, RF troubleshooting, and high‑availability designs Advanced experience administering Palo Alto firewalls, including security policy design, NAT, VPNs (site‑to‑site and remote access), threat prevention, logging, and HA configurations (PCNSA required; PCNSE preferred) Strong experience with Microsoft 365 administration, including Intune device management, Windows infrastructure services (Active Directory, Domain Controllers, DNS, DHCP), virtualization platforms such as Hyper‑V (VMM, SCCM) and VMware vCenter / vSphere.

The OMA has moved to a permanent hybrid work environment.

As such, the individual in this position will be required to work a minimum number of days in our Toronto office.

What do we have to offer you?

A work environment whose values are to be respectful, bold, responsive, and transparent in our work and our behaviours A fantastic opportunity to grow with the team and help shape the strategic direction of the OMA, its members and the health-care system An organization that is committed to the equity, diversity and inclusion principles of humility, accountability, collaboration, courage and integrity A commitment to growth and development through paid professional development and continuous in-house learning A friendly and flexible hybrid work environment Competitive total rewards package including a hiring salary range of $92,835 - $98,640 plus pension plan and a bonus program Exceptional group benefits package, including a spending account and a robust wellness program An organization that has been recognized as a Greater Toronto’s Top Employers for six consecutive years.

As a condition of employment, OMA conducts background checks and reference checks for all open positions.

• Facebook | Twitter | Instagram | YouTube | LinkedIn ­­ We're excited to share this opportunity, which is for an existing vacancy on our team.

Kindly be advised that our recruitment process does not involve the use of Artificial Intelligence.

The Ontario Medical Association is strongly committed to diversity within its community and welcomes applications from racialized persons/persons of colour, women, Indigenous People of North America, persons with disabilities, LGBTQ2S+ persons, and others who may contribute to the further diversification of ideas.

In accordance with the AODA Act, accommodation will be provided throughout the recruitment process to applicants with disabilities.

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