×
Register Here to Apply for Jobs or Post Jobs. X

Senior IT System Administrator

Job in Calgary, Alberta, D3J, Canada
Listing for: Startdate
Full Time position
Listed on 2026-09-28
Job specializations:
  • IT/Tech
    Systems Administrator, IT Support
Job Description & How to Apply Below
Petro China Canada(PCC) is a wholly owned subsidiary of Petro China Company Limited which is partially owned by China National Petroleum Corporation (CNPC), a state-owned enterprise. CNPC is China's largest oil company and the world's third larges toil company, operating 91 energy-related projects in over 35 countries and regions. PCC has invested billions of dollars in an asset-rich portfolio of upstream, midstream and downstream operations.

In Alberta, this includes ourMacKay River and Dover oilsands projects, Duvernay Shale Gas and a 50% interest in the Grand Rapids Pipeline. In British Columbia, we hold joint venture interests in the Groundbirch tight gas project and LNG Canada.
TheSeniorITSystem Administrator is responsible for comprehensive management, maintenance, and security of the organization’s IT and OT system infrastructure, including servers, storage systems, operating systems, user access, M365 and meeting room IT equipment.

This role ensures system reliability, performance, and compliance through regular inspections, proactive monitoring, and structured administrative processes.
Accountabilities  The accountabilities of this role include, but are not limited to:
1.Server & Storage Infrastructure Management   Deploy,configure, and maintain virtual and physical servers across corporate IT and OT environments, about 100 virtual servers on Azure/AWS cloud, about 100 virtual servers on premises, about 20 physical servers
Manage storage solutions (e.g., Net App) including provisioning, capacity planning, and performance optimization.
Conduct regular health checks on physical servers and storage hardware; identify and replace failed components.
Maintain and monitor virtualization platforms (e.g., VMware) to ensure efficient utilization of CPU, memory, storage, and network resources.
2. User & Access Management   Manage the fulllifecycle of about 300 user accounts across systems covering Active Directory,Azure Entra , including creation, modification,synchronization, and deactivation.
Ensure timely and accurate updates to access rights based on role changes or employee status.
Perform regular access reviews and audits to maintain security and compliance.
Administer identity/accounts with Active Directory, Azure Entra , perform directory synchronization, identity federation by SSO, and troubleshoot related issues.
3.System Monitoring & Routine Inspections   Perform scheduled system inspections (daily/weekly/monthly) to verify server health, storage status, and backup integrity.
Monitor system availability and performance using standard tools; respond to alerts and anomalies.
Proactively identify potential issues (e.g., capacity thresholds, hardware warnings) and recommend corrective actions.
Maintain system documentation, including configuration baselines, inspection logs, and change records.
4.Backup, Recovery & Business Continuity   Administer backupand recovery systems (e.g., Commvault, Veeam, Azure Backup) for both IT and OT environments.
Regularly test backup restoration processes to ensure data recoverability.
Participate in disaster recovery planning and execution as needed.
Recommend and provide procurement requirements to ensure business continuity
5.Security & Compliance Support   Support vulnerability scanning and penetration testing activities; apply patches and security updates as required.
Ensure server, storage and accounts configurations align with internal security policies.
Assist in audit preparations and remediation of security findings.
6.Microsoft Platform Support   Administer and support Microsoft 365 (Exchange Online, Teams, One Drive, SharePoint Online)
Manage hybrid

Exchange setup and administration.
Manage M365 user and license
7. Meeting Room IT Equipment Administration   Manage the fulllifecycle of meeting room IT equipment, including projectors, displaysconference cameras, microphones, speakers, and other audiovisual (AV) devices.
Plan and coordinate equipment upgrade and replacement projects, including requirement gathering, vendor selection, procurement, budget coordination, organizing installation and testing.
Maintain anup-to-date inventory of meeting room IT assets, including device models,purchase dates, warranty status, and replacement schedules.
8. Helpdesk Escalation & Team Collaboration   Act assecond-tier support for helpdesk escalations related to servers, access,storage, and Microsoft 365.
Collaborate withother IT team members to resolve complex infrastructure issues.
Participate in knowledge transfer and documentation to improve team…
Position Requirements
10+ Years work experience
To View & Apply for jobs on this site that accept applications from your location or country, tap the button below to make a Search.
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).
 
 
 
Search for further Jobs Here:
(Try combinations for better Results! Or enter less keywords for broader Results)
Location
Increase/decrease your Search Radius (miles)
0
200
Filters
Education Level
Experience Level (years)
Posted in last:
Salary