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Added 2 hours ago
Senior Embedded Software Designer
Kepler Communications Inc.
Toronto, ON
Full-time
We're on the hunt for a top-tier Embedded Software Engineer. Your focus will be on software development and maintenance required for both space and ground-based assets for a growing fleet…
Added 2 hours ago
Software Engineer - Open Data Platform (ODP)
Acceldata
Kitchener, ON
$70,000 to $100,000 CAD / year
Full-time
We are seeking a Software Engineer with at least 3 years of experience in distributed systems or data platform development. In this role, you will design, build, and scale components of the…
Added 3 hours ago
Senior AI Engineer
Sun Life
Toronto, ON · Waterloo, ON · Sun Life Toronto Atria
Full-time
Corporate IT is seeking an experienced Senior AI Engineer to design, develop, deploy, and support enterprise-grade Artificial Intelligence, Machine Learning, and Generative AI solutions on…
Added 3 hours ago
Site Reliability Engineer
Raydar
Remote, Canada
Full-time · Remote
As Site Reliability Engineer, you will build and operate the platform that helps engineering teams deliver reliable AI products at scale. You will own critical infrastructure domains across…
Added 4 hours ago
Senior Application Security Engineer
Nutrien
Saskatoon, SK
Full-time
The Senior Application Security Engineer is a senior technical role responsible for advancing security across the software development lifecycle (SDLC). Working closely with application…
Added 4 hours ago
Senior Application Security Engineer
Nutrien
Calgary, AB
Full-time
The Senior Application Security Engineer is a senior technical role responsible for advancing security across the software development lifecycle (SDLC). Working closely with application…
Added 5 hours ago
Senior Technical Program Manager
CNN
Ottawa, ON · Kanata, ON
Full-time
CNN is hiring a Senior Technical Program Manager to lead high-impact programs that span product, technology, design, and product operations. This is a deeply technical senior…
Added 6 hours ago
Senior Developer Support Engineer - Builder Experience (BX)
Okta
Toronto, ON
As a Senior Developer Support Engineer on the Builder Experience team, you are a hands-on technical problem solver passionate about helping Okta’s customers, ISVs, GSIs, and partners…
Added 6 hours ago
Senior Azure Platform / DevOps Engineer
Makai Labs
Canada
Full-time
Small senior teams, real ownership. We'd rather have one engineer who understands a platform top to bottom than several who each own a slice.
Added 7 hours ago
Principal Cloud & AI Apps Solution Engineer
Microsoft
Toronto, ON
Full-time
This is a senior individual contributor technical sales role with primary depth in AI & Apps and a broad leadership mandate across the Microsoft platform. You will lead strategic technical…
Added 7 hours ago
Senior Software Engineer
AVEE HEALTH
Vancouver, BC
Full-time
Avee is a fast-scaling healthcare technology platform reshaping how primary care is delivered in British Columbia. We connect patients, healthcare providers and partners through technology…
Added 8 hours ago
Director, Enterprise Security & IT
Klue
Remote, Canada
$155,000 to $200,000 CAD / year
Full-time · Remote
…an Engineering org that already builds and runs our product…
Added 9 hours ago
Senior Software Engineer, AI Enablement
Xero
Vancouver, BC
Full-time
…direction of an internal skills marketplace and AI distribution platform used across the wider engineering organisation, work directly with vendors like AWS, Microsoft and GitHub on…
Added 10 hours ago
Staff Data Scientist, Applied ML
Jobber
AB · Edmonton, AB
Full-time
…representation learning, transformer architectures, and ranking, and engineer them to serve reliably in real time and at scale inside Jobber's…
Added 10 hours ago
Staff Data Scientist, Applied ML
Jobber
Vancouver, BC
Full-time
…representation learning, transformer architectures, and ranking, and engineer them to serve reliably in real time and at scale inside Jobber's…
Added 10 hours ago
Staff Data Scientist, Applied ML
Jobber
Toronto, ON
Full-time
…representation learning, transformer architectures, and ranking, and engineer them to serve reliably in real time and at scale inside Jobber's…
Added 10 hours ago
Staff Data Scientist, Applied ML
Jobber
Kitchener, ON
Full-time
…representation learning, transformer architectures, and ranking, and engineer them to serve reliably in real time and at scale inside Jobber's…
Added 11 hours ago
AI ENGINEER
DATAEKO.AI
Huron Shores, ON
Contract
Partner Ecosystem Sales Manager - Enterprise Infrastructure
Added 11 hours ago
Software Engineer II, Toast International
Toast
ON
…such as payment integrations, messaging services, and core platform workflows. You will collaborate with senior engineers, product managers, designers, and mobile/web teammates across North…
Added 11 hours ago
Dynamics / Power platform engineer
Capgemini
Montreal, QC
We are looking for a Senior Microsoft Power Platform Engineer with expertise in AI Builder, Copilot, Dynamics 365, and Power Apps. The ideal candidate will have experience designing and…
Added 11 hours ago
Senior Software Engineer
AVEE HEALTH
Vancouver, BC
Full-time
Avee is an online clinic platform that helps people in British Columbia see a doctor quickly, often the same day. Patients book directly or through a partner pharmacy, and more than 200…
Added 12 hours ago
Machine Learning Operations Engineer/Senior
Wawanesa Insurance
Toronto, ON · AB · Winnipeg, MB · Ottawa, ON · Kitchener, ON · Calgary, AB · Edmonton, AB (Hybrid), AB · North York - Toronto, ON (Hybr, ON
The Machine Learning Operations Engineer/Senior is responsible for the design, development, deployment, monitoring, and operationalization of machine learning and AI solutions. The engineer…
Added 12 hours ago
AI Infrastructure Engineer
Mission.dev
Canada
Full-time
As a founding Senior AI Infrastructure Engineer, you will report to the Chief Technology Officer to design and operate large-scale infrastructure for AI workloads on public cloud and…
Added 12 hours ago
Senior Security Engineer - Cloud Security
PagerDuty
Toronto, ON
Full-time
Senior Security Engineer - Cloud Security (Platform Engineering, Kubernetes & Identity)
Added 12 hours ago
Senior Software Engineer in Test
Okta
Toronto, ON
The Senior Software Development Engineer in Test Opportunity

Signal 1

Security Engineer

Toronto, ON, Canada

Job type: Full-time
Apply by: Oct 29, 2026
Experience: 5+ years of experience in security engineering, with deep, hands-on expertise in Microsoft Azure security architecture and the Microsoft security product ecosystem.
Posting language: English
Posted: Sep 29, 2026

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Original job description

Senior Security Engineer

Reporting to: Director of Cybersecurity

Signal 1 helps health systems accelerate AI adoption with a category defining technology platform. Signal 1’s first product, the AI Management System (AIMS), gives health system leaders visibility and control across their growing AI portfolios. AIMS offers comprehensive oversight of predictive and generative AI applications and introduces guardrails to mitigate downside risks. It sets the standard for Responsible AI in healthcare. Purpose-built for healthcare and informed by years of experience managing AI at scale in other industries, Signal 1 empowers healthcare organizations to translate innovation into real clinical, operational, and financial outcomes.

Signal 1 is a 30-person, well-funded and rapidly growing startup with strong product market fit and deployments at a growing number of top-20 US health systems.

We are looking for a Senior Security Engineer to join our Engineering Team. You will:

Support end-to-end security architecture across all domains (IAM, infrastructure security, application security, cyber defense, and data security), ensuring controls are consistent, defensible, and right-sized for a fast-moving healthcare AI platform.
Design and implement Azure-native security solutions using the full Microsoft security stack: Entra ID, Defender for Cloud, Microsoft Sentinel, Defender for Endpoint, Purview, and Azure Policy, across both fully cloud-based and hybrid infrastructure environments.
Support and collaborate on GRC programs across the full compliance lifecycle, contributing to control mapping, evidence collection, and audit readiness for SOC 2 Type II, HIPAA, and potentially other frameworks as the business evolves.
Partner with Engineering, ML, and Infrastructure teams to embed security throughout the SDLC, from threat modeling and architecture review through to CI/CD pipeline hardening, secrets management, and production monitoring.
Build and operationalize security monitoring, alerting, and incident response capabilities, identifying detection gaps and closing them with tooling, process, and cross-team coordination.
Champion product security across the AIMS platform, conducting security design reviews, threat modeling, and vulnerability assessments on new and existing features, and working closely with product and engineering teams to ensure security is built in from the start, not bolted on.
Bring an open mindset to the role, willing to roll up your sleeves and contribute to broader engineering and infrastructure initiatives outside of pure security work when the team needs it.

Required Qualifications

Bachelor’s degree in computer science/engineering or equivalent practical experience.
5+ years of experience in security engineering, with deep, hands-on expertise in Microsoft Azure security architecture and the Microsoft security product ecosystem.
Technically strong across all security domains (IAM, infrastructure, application security, cyber defense, and data protection), with the architectural depth to design solutions from first principles, not just operate existing ones.
You see the big picture. You understand how security decisions affect product velocity, customer trust, and business outcomes, and you can translate technical risk into language that resonates with executives, customers, and cross-functional partners.
Comfortable securing both fully cloud-native and hybrid environments, with a strong understanding of the trust boundaries and control differences between the two.
Experienced operating in highly regulated environments, with direct involvement in SOC 2 Type II, HIPAA, or equivalent compliance programs.
You thrive in fast-paced, high-ambiguity environments. You can triage competing priorities, move quickly without cutting corners, and build durable solutions under startup constraints.
Proactive and curious by nature. You don’t wait to be pointed at problems, you go looking for them, and you bring genuine enthusiasm for learning new domains, tools, and threat landscapes.
Strong communication skills with the ability to engage engineering teams, executive stakeholders, and external customers including hospital security and compliance teams.

Preferred Qualifications

Relevant certifications: CISSP, AZ-500 (Azure Security Engineer), or OSCP.
Fluent with AI coding and productivity tools, using them as a force multiplier in your daily work, not as an afterthought.
Experience with Kubernetes security, infrastructure-as-code (Terraform/Bicep), and securing CI/CD pipelines in Azure DevOps or GitHub Actions.
Familiarity with healthcare data standards and regulations (HIPAA, PHIPA) or prior experience securing systems in healthcare, finance, or other regulated industries.
Exposure to AI/ML security considerations (model access controls, data pipeline integrity, LLM threat surfaces, or agent security) is a strong plus.

Apply About employer

More about this job

Responsibilities

Design and implement end-to-end security architecture for the Azure-based healthcare AI platform, including identity, infrastructure, application, data, monitoring, and incident response controls. Support compliance and audit readiness, embed security throughout the software development lifecycle, and partner with engineering, machine learning, product, and infrastructure teams to secure the platform.

Requirements

Requires a bachelor’s degree in computer science or engineering, or equivalent practical experience, and at least five years of security engineering experience with hands-on Azure security expertise. Candidates should have broad security architecture knowledge, experience with regulated environments and SOC 2 Type II or HIPAA, and strong communication and problem-solving skills; relevant certifications and experience with Kubernetes, infrastructure as code, CI/CD, or AI/ML security are preferred.

Skills

Azure Security Architecture
Microsoft Security Stack
Identity And Access Management
Infrastructure Security
Application Security
Cyber Defense
Data Protection
Security Monitoring
Incident Response
Governance, Risk, And Compliance
SOC 2 Type II
HIPAA
Threat Modeling
CI/CD Security
Vulnerability Assessment
Kubernetes Security

Visa sponsorship

Not detected in the job text

Keywords

Microsoft Azure
Entra ID
Microsoft Defender For Cloud
Microsoft Sentinel
Defender For Endpoint
Microsoft Purview
Azure Policy
Identity And Access Management
Cloud Security
Hybrid Infrastructure
SOC 2 Type II
HIPAA
GRC
Threat Modeling
CI/CD
Secrets Management
Security Monitoring
Incident Response
Product Security
Vulnerability Assessment
Kubernetes
Terraform
Bicep
Azure DevOps
GitHub Actions
AI/ML Security
LLM Security
CISSP
AZ-500
OSCP

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