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Title:  Server Administrator

Date:  Nov 21, 2021

Mississauga, ON-CA, ON, CA, L5J 2Y3

Petro-Canada Lubricants Inc. (PCLI), a HollyFrontier business, located in Mississauga, ON is seeking a Server Administrator. Reporting to the Manager IT Site Operations PCLI, the IT Site Ops III (Server Administrator) conducts advanced/expert level server related technical assignments and projects for the Information Technology Department. Designs, configures, troubleshoots, provides technical advice, makes upgrades and repairs, evaluates new products, and makes recommendations to address business requirements and improve workflow to ensure consistency and effective involvement of support resources throughout all project phases.


This position is not eligible for International Relocation Program benefits.




  • Administers, plans and maintains Window Active Directory and DNS infrastructure
  • Designs, implements and administers e-mail messaging systems (Microsoft Exchange)
  • Proactively ensures high availability of email communication systems 
  • Resolves complex issues regarding operations, installations, on-line transactions, system status and downtime
  • Provides highest-level proactive administration for application virtualization software (i.e. Citrix XenDesktop)
  • Consults regularly with management and end users regarding needs and requests related to e-mail, calendaring, corporate systems and applications
  • Designs and implements improved IT and business processes through automation and proactive reporting.
  • Provides server administration duties including configuration and maintenance 
  • Plans, configures, and installs infrastructure equipment including servers
  • Installs, supports and administers software and/or custom applications as required
  • Resolves issues at all levels and updates patches and maintains Company’s server infrastructure
  • Ensures all repairs, updates and other changes necessary are made to ensure maximum performance and supports various applications’ software platforms
  • Provides telephone, e-mail, and after-hours support to all sites using various tools
  • Manages, consults with peers, and configures virtualized environment 
  • Assists managing Storage Area Network (SAN), and analyzes usage and trends
  • Writes clear, concise, and accurate documentation, including Training documentation and provides training (i.e., work procedures, how to guides, one-on-one questions and answer sessions with other department technicians, etc...)  
  • Analyzes and evaluates vendor products in hardware and software
  • Monitors system health, performance tunes, and troubleshoots virtualization software environment and evaluates all in-place systems and applications
  • Consults with business and end users to provide support and resolve application and connectivity issues
  • Documents activities such as down time, problems, and system configurations 
  • Monitors virtualized server environment and resolves host system issues to provide the highest level of availability
  • Provides leadership and project management as assigned
  • Relocates technical equipment to and from an assigned location


Special assignments or tasks assigned to the employee by their supervisor, as determined from time to time in their sole and complete discretion.




  • A minimum of ten years of job-related experience are required




  • Infoblox experience is an asset




  • A minimum of a Bachelor’s Degree in Computer Science (related discipline) or an equivalent combination of education and job-related experience (eight years) is required.




  • Preferred certifications: Citrix (CCEE, CCA, CCIA, CCAA), Microsoft MCSE, Industry (A+, Network+)




  • Advanced administration, implementation, and support experience required in: MS Windows platform and MS Office Suite, virtualization software and Servers. Advanced working knowledge in either virtualization software or active directory and proficient in the other
  • Ability to document and evaluate current environment and use best practice methodologies to ensure highest level investment utilization
  • Demonstrated experience and broad knowledge of the principles, techniques and methodology of project management, quality management, and change management
  • Experience organizing, planning, and executing projects from vision through implementation, involving internal personnel, contractors, and vendors; ability to analyze projects and determine resources needed to meet objectives
  • Ability to perform intermediate mathematical calculations, and excellent interpersonal skills with ability to communicate effectively with others, both written and verbal communication
  • Will be required to obtain Citrix Certified Administrator (CCA) in 3 months. Microsoft MCP and MCSA required




  • Additional support experience using Powershell and vbscript, TCP/IP, WINS, DHCP, SMTP, DNS and anti-virus is preferred.




  • Office based with travel up to 40% of time by land or air is required.
  • Petroleum refinery, warehouse/plant environment, including but not limited to chemicals, pressure vessels, tanks, rotating equipment, working in confined spaces, and exposure to the risk of electrical shock.
  • From time to time, required to work long hours which may include nights, weekends, holidays for regularly scheduled maintenance and emergency work and support as well as on-call availability.
  • Subject to all weather and varying road conditions.




Job conditions require standing, walking, sitting, twisting, stooping, crouching, kneeling, lifting and/or carrying up to 50 lbs, pushing and/or pulling up to 50 lbs, climbing up to 15 ft, talking or hearing, making visual inspections, making precise hand and finger movements, reaching or grasping, ability to operate and drive all assigned company vehicles at company standard insurance rates is essential, valid State driver’s license and proof of insurance, perceiving color differences, ability to wear personal protective equipment and a respirator during emergency situations as needed (beards not permitted). 



Our One HFC Culture:


Our one HFC Culture focuses on four key values of safety, integrity, teamwork and ownership.  They influence our decisions, shape our behaviors and keep us connected across the entire organization.


Safety is first.  We care about our people and work tirelessly to make sure they return home safely, every day.  Everything we do is done with integrity.  We encourage growth and exciting possibilities by championing a culture of teamwork and ownership.


HollyFrontier Corporation, headquartered in Dallas, Texas, is an independent petroleum refiner and marketer that produces high value light products such as gasoline, diesel fuel, jet fuel and other specialty products. HollyFrontier owns and operates refineries located in Kansas, Oklahoma, New Mexico and Utah and markets its refined products principally in the Southwest U.S., the Rocky Mountains extending into the Pacific Northwest and in other neighboring Plains states.  HollyFrontier also owns a 57% limited partner interest and a non-economic general partner interest in Holly Energy Partners, L.P., a master limited partnership that provides petroleum product and crude oil transportation, terminalling, storage and throughput services to the petroleum industry, including HollyFrontier.


HollyFrontier’s Lubricants and Specialties division (HFLS) produces base oils and other specialized lubricants in the United States, Canada and the Netherlands, exporting products to more than 80 countries worldwide. HFLS serves virtually every industry, with products marketed under the Petro-Canada Lubricants, Red Giant Oil, Sonneborn and HollyFrontier Specialty Products brands.


Holly Frontier Corporation and Holly Frontier Lubricants & Specialties is committed to accessibility and accommodations will be provided to applicants upon request.



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