System Admin - On-prem & Cloud (AWS & Azure)

bmo; Toronto; On-site; CAD 90,000 - 135,000; Full time

Job summary

BMO is seeking a System Admin & deployment resource to design, deploy, and manage a dual-cloud environment spanning AWS and Azure. The role covers Linux and Windows Server administration, automation, and security remediation to keep IT systems resilient.

You will implement infrastructure as code, configure backup, DR, and monitoring solutions, and act as a liaison across IT teams and vendors to deliver reliable infrastructure solutions at scale.

Qualifications

• Proven hands-on experience deploying and managing resources in both AWS and Microsoft Azure

Responsibilities

• Cloud Deployment: Design, deploy, and manage scalable infra across AWS and Azure.
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Skills

Cloud Platforms

Linux Admin

Windows Server

Infrastructure as Code

Scripting & Automation

Container Orchestration

CI/CD

Networking

Troubleshooting

ITIL

Vulnerability Management

Automation

Root Cause Analysis

OS Configuration

Tools

Ansible

CDK

CDKTF

CloudFormation

IIS

Apache

Tomcat

WebSphere

Kubernetes

GitHub Actions

Azure DevOps

GitHub

Job description

Application Deadline: 08/30/2026

Address: 4100 Gordon Baker Road

Job Family Group: Technology

Seeking a skilled System admin & deployment resource to design, deploy, and manage our dual-cloud environment . The ideal candidate will bridge the gap between AWS and Azure platforms while ensuring seamless operations across both Linux and Windows systems , along with strong capabilities in backup, disaster recovery, and security remediation. Ensures all IT systems function efficiently and seamlessly. Applies in-depth experience with components of on-premises and cloud infrastructure. Plans, acquires, and coordinates the installation of infrastructure devices across the enterprise while ensuring safe networks with disaster recovery options. Administers automated workflow tools, middleware application servers, and server visualization technologies. Acts as the primary technical liaison between Infrastructure and other IT teams, vendors and partners, as well as the business to design infrastructure solutions.

Key Responsibilities

• Cloud Deployment: Design, deploy, and manage scalable, highly available infrastructure across AWS and Microsoft Azure.
• OS Management: Configure, patch, harden, and maintain Linux (RedHat) and Windows Server environments.
• Automation: Build and manage & cloud Infrastructure as Code using CDK on AWS, CDKTF on Azure.
• Backup & Disaster Recovery: Design and implement on-premises and cloud-based backup solutions, including disaster recovery (DR) strategies, failover mechanisms, and business continuity planning
• Failover & High Availability: Configure and test failover solutions across hybrid and multi-cloud environments to ensure system resilience.
• Security & Monitoring: Implement identity and access management (IAM), monitoring solutions, logging frameworks, and security best practices.
• Vulnerability Management: Perform vulnerability assessments, patching, and remediation activities to ensure systems remain compliant and secure.
• OS Configuration & Remediation: Conduct system hardening, performance tuning, and remediation of OS-level issues across environments.
• Troubleshooting: Diagnose and resolve complex infrastructure, networking, and system-level issues across cloud and on-prem Linux & Windows environments.
• Conducts feasibility studies to determine the likelihood of proposed project's success in the current environment.
• Provides proactive network/server monitoring to ensure optimum performance and acts on real-time alerts of critical issues.
• Performs hardware, software, and firmware upgrades - researches and recommends network upgrades.
• Manages and coordinates the release of changes into production applying standardized procedures and minimizing risk to existing services.
• Creates release plans, test and validation strategies, schedules and tracking tools to coordinate the contents of release packages for network and business applications.
• Evaluates effectiveness of current systems and supports in developing improvement strategies based on the findings.
• Focus is primarily on business/group within BMO; may have broader, enterprise-wide focus.
• Broader work or accountabilities may be assigned as needed.
• Take measured risks while protecting the bank by applying our Risk Management Framework in the execution of your role, in line with our Risk Culture and within our approved Risk Appetite, making sound and risk informed decisions that align to business strategy, protect assets, and adhere to applicable policy documents (Frameworks, Policies, Standards, Procedures and Supporting documents), laws and regulations.

Qualifications

• Foundational level of proficiency: Cloud Platforms: Proven hands-on experience deploying and managing resources in both AWS and Microsoft Azure.
• Operating Systems: Strong administration expertise in Linux (CLI-based) and Windows Server environments.
• Infrastructure as Code: Experience with Ansible, CDK, CDK TF, CloudFormation
• Middleware: Solid knowledge and experience in popular middleware such as IIS, Apache, Tomcat, WebSphere.
• OS Configuration & Remediation: Experience in system configuration management, patching, compliance enforcement, and remediation of system vulnerabilities.
• Scripting & Automation: Proficiency in Ansible, Bash, PowerShell, or Python for automation and operational efficiency.
• Containers & Orchestration: Experience with cloud-native container services (e.g., AKS, EKS).
• CI/CD Pipelines: Familiarity with GitHub, GitHub Actions, Azure DevOps.
• Application Support: Experience in troubleshooting application issues from middleware and OS perspective.
• Network routing, switching, and security.
• Configuration management.
• Systems administration.
• Scripting languages.
• IT infrastructure library.
• Root cause analysis.
• Troubleshooting.
• Cloud computing.
• Cybersecurity and privacy concepts, principles and solutions.
• It automation - DIGITAL FIRST.
• Building and managing relationships.
• Adaptability.
• Virtualization and virtual machines.
• Operating Systems and Platforms.
• Infra