Senior System Administrator

Job description

Key Responsibilities:

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.