Senior System Administrator

Harris Computer; Ottawa; On-site; CAD 75,000 - 85,000; Full time

Job summary

Harris Computer is seeking a Cloud Infrastructure Architect to design, deploy, and manage cloud environments across Azure, AWS, and other public clouds. The role emphasizes high availability, security, and cost-efficient operations, including leading migrations from on-prem to hosted clouds and implementing robust security controls.

Candidate will leverage Terraform/Ansible/Puppet for IaC, build CI/CD pipelines, and automate repetitive tasks with Python/Bash/PowerShell, while ensuring privacy

Qualifications

• 5+ years of experience in a System/Cloud Administrator role.
• Strong proficiency with Azure and AWS cloud platforms.
• Experience with database platforms: SQL Server, MySQL, PostgreSQL, Oracle.
• Strong networking knowledge.
• Proficient with Infrastructure-as-Code tools (Terraform, Ansible, Puppet).
• Experience with AI prompting and privacy/IP considerations.

Responsibilities

• Architect, deploy, configure, and support cloud infrastructure on Azure, AWS, and other public clouds for high availability, performance, and security.
• Lead migration of on-premise customer environments to hosted cloud platforms, aligning milestones with commitments and forecasts.
• Implement and maintain security measures including identity management, network segmentation, and compliance controls.
• Configure secure integrations with external services (OAuth, Microsoft 365, GSuite, third-party apps).
• Develop IaC with Terraform/Ansible/Puppet; build toward a fully automated CI/CD pipeline; create automation scripts.

Job description

• Architect, deploy, configure, and support cloud infrastructure on Azure, AWS, and other public clouds for high availability, performance, and security.
• Lead migration of on-premise customer environments to hosted cloud platforms, targeting completion milestones aligned with signed customer commitments and pipeline forecasts.
• Implement and maintain security measures including identity management, network segmentation, and compliance controls across cloud environments.
• Configure secure integrations with external services (OAuth, Microsoft 365, GSuite, third-party applications).
• Optimize cloud resource utilization and cost efficiency, with measurable cost-per-environment targets.

Key Responsibilities

• Architect, deploy, configure, and support cloud infrastructure on Azure, AWS, and other public clouds for high availability, performance, and security.
• Lead migration of on-premise customer environments to hosted cloud platforms, targeting completion milestones aligned with signed customer commitments and pipeline forecasts.
• Implement and maintain security measures including identity management, network segmentation, and compliance controls across cloud environments.
• Configure secure integrations with external services (OAuth, Microsoft 365, GSuite, third-party applications).
• Optimize cloud resource utilization and cost efficiency, with measurable cost-per-environment targets.

Cloud Infrastructure & Architecture

• Architect, deploy, configure, and support cloud infrastructure on Azure, AWS, and other public clouds for high availability, performance, and security.
• Lead migration of on-premise customer environments to hosted cloud platforms, targeting completion milestones aligned with signed customer commitments and pipeline forecasts.
• Implement and maintain security measures including identity management, network segmentation, and compliance controls across cloud environments.
• Configure secure integrations with external services (OAuth, Microsoft 365, GSuite, third-party applications).
• Optimize cloud resource utilization and cost efficiency, with measurable cost-per-environment targets.

Automation & Scalability

• Develop and maintain Infrastructure-as-Code using Terraform, Ansible, and/or Puppet to enable scalable, repeatable environment provisioning.
• Build toward a fully automated CI/CD pipeline for deployment and monitoring, reducing manual provisioning time by a measurable target (to be established within first 90 days).
• Create automation scripts (Python, Bash, PowerShell) to eliminate repetitive infrastructure tasks.

Technical Support & Customer Engagement

• Serve as primary technical support liaison for hosted and on-premise client environments, delivering resolution within defined SLAs.
• Diagnose and resolve complex customer infrastructure issues across server operating systems (Linux, Windows) and database platforms (SQL Server, MySQL, PostgreSQL, Oracle).
• Document all customer requests, diagnostic steps, and resolutions thoroughly and consistently.
• Communicate progress and status to internal and external stakeholders with frequency and clarity.

AI Strategy & Adoption

• Leverage AI-assisted coding tools (e.g., GitHub Copilot, Claude Code) to accelerate IaC development, scripting, and troubleshooting workflows.
• Build and maintain AI-enabled knowledge bases from existing company knowledge resources, supporting the BU's AI-DLC Level 2/3 roadmap toward customer-facing agents and adjacent software modules.
• Ensure responsible use of AI tools in all internal and customer-facing contexts, specifically regarding data privacy, PII protection, and intellectual property.
• Identify and document at least 2 AI-driven workflow improvements within the first 90 days, with estimated hours saved.

Incident Response & Systems Administration

• Provide priority assistance in containment and remediation during cybersecurity incidents.
• Perform general systems administration including installation, configuration, maintenance, system audits, backups, and patch management.

Qualifications

• 5+ years of experience in a System/Cloud Administrator role.
• Demonstrated proficiency with Azure and AWS cloud platforms, including environment architecture and deployment.
• Experience with database platforms: Microsoft SQL Server, MySQL, PostgreSQL, and/or Oracle.
• Strong knowledge of networking concepts and technologies.
• Working proficiency across Linux and Windows server operating systems.
• Experience with Infrastructure-as-Code tools (Terraform, Ansible, or Puppet).
• Demonstrated proficiency with AI prompting and working knowledge of LLMs, including when to use them and when not to, with specific attention to privacy and IP considerations.
• Ability to manage competing priorities, triage by urgency, and drive issues to resolution independently.

Preferred Qualifications

• Proven hands-on experience architecting multi-tenant or multi-customer cloud environments.
• Strong scripting skills in Python, Bash, and/or PowerShell.
• Experience with containerization (Docker) and orchestration (Kubernetes).
• Familiarity with CI/CD pipeline design and DevOps practices.
• Cloud certifications (Azure, AWS) from tier-one providers.
• Experience in a customer-facing technical support role with SLA accountability.
• Prior experience applying AI tools to infrastructure automation or knowledge management workflows.

Salary range: $75,000 - $85,000 CAD per year.