Operations Windows Administrator

Montréal, QC
Hybrid
Posted Oct 20, 2026
1 position

Opens an external site

Employment type: Full-time
Experience level: Lead · 10+ years
Posting language: English
Working hours: 40 hours per week

Job summary

The Operations Windows Administrator will manage and optimize Microsoft Windows Server infrastructure, specifically focusing on the Adaptiva platform and SolarWinds monitoring. They will perform installations, upgrades, capacity planning, and resolve complex incidents while collaborating with cross-functional teams.

Job details

Domtar is a leading producer of pulp, paper, packaging, tissue and wood products. Through our focus on safety and sustainability, as well as our commitment to operational excellence and our network of facilities across Canada and the United States, Domtar delivers high-quality and cost-effective products to customers around the world. Our workforce is comprised of 14,000 talented and hardworking individuals. We are proud to offer competitive compensation, a supportive working environment, rewarding career paths and plenty of opportunities for learning and growth. The location in Montreal, (Quebec, Canada), is seeking talent to fill the position of Operations Windows Administrator. This job is full-time permanent.We are looking for a Senior Systems Administrator with at least 10 years of experience in administering Microsoft Windows Server infrastructure. The ideal candidate is a technical expert capable of administering, optimizing, and scaling critical platforms in an enterprise environment.In-depth expertise with Adaptiva is essential. The candidate must be able not only to administer and support the platform but also to perform day-to-day operations, implement infrastructure changes and upgrades, optimize performance, resolve complex incidents, and actively contribute to the evolution of the solution.The candidate must also possess skills in managing infrastructure monitoring solutions, particularly SolarWinds, to ensure visibility, availability, and performance of server environments. They must be able to configure, optimize, and maintain monitoring mechanisms, analyze alerts, and contribute to the continuous improvement of monitoring capabilities.This person will work closely with the Infrastructure, Network, Security, and EUC teams to ensure the availability, performance, and stability of critical platforms.Responsibilities Administer and maintain Microsoft Windows Server infrastructures. Provide full administration of the Adapt platform Design, deploy, and optimize the Adaptiva architecture in large enterprise environments Perform Adaptiva-related installations, upgrades, migrations, and infrastructure changes. Optimize platform performance and recommend best practices. Manage the Adaptiva topology, servers, relays, content policies, and distribution mechanisms. Participate in capacity planning and platform evolution. Administer and support the SolarWinds monitoring platform. Configure and maintain monitoring elements, alerts, dashboards, and reports to ensure adequate visibility into the environment. Analyze alerts and performance data to identify issues, trends, and opportunities for improvement. Optimize monitoring rules to reduce false positives and improve operational efficiency. Collaborate with the Infrastructure and Network teams to ensure adequate monitoring coverage of critical servers and services. Diagnose and resolve advanced-level incidents. Collaborate with Adaptiva and SolarWinds during major incidents or improvement projects. Automate administrative tasks using PowerShell. Create and maintain technical documentation. Participate in on-call rotations and respond to major incidents as needed. Qualifications Required At least 10 years of experience in Microsoft Windows Server administration. At least 5 years of experience with Adaptiva in a medium- or large-enterprise environment. Demonstrated expertise in: Adaptiva installation and configuration Day-to-day administration Performance optimization Platform architecture Content distribution Advanced troubleshooting Upgrades and maintenance Log analysis and incident resolution Experience with an enterprise monitoring solution such as SolarWinds. Knowledge of monitoring concepts: alerts, thresholds, dashboards, performance, and capacity. Excellent knowledge of Windows Server. Good knowledge of Active Directory. Proficiency in PowerShell. Experience in highly available environments. Assets Experience with SolarWinds Observability Self-Hosted or SolarWinds Orion. Experience with SQL Server. Knowledge of TCP/IP networks. Experience with Microsoft PKI. Knowledge of Microsoft security solutions. Knowledge of SNMP, WMI, and performance data collection mechanisms. Required Skills Strong analytical skills. Excellent problem-solving skills. Ability to work independently. Commitment to continuous improvement. Excellent communication skills. Ability to work in high-pressure environments. Ability to analyze performance data and translate that information into operational recommendations. Desired Profile We are seeking a technical specialist recognized for their expertise in Windows Server environments, the Adaptiva platform, and infrastructure monitoring solutions. The candidate must be capable of going well beyond operational support by managing the entire solution lifecycle: design, deployment, operation, optimization, upgrades, advanced troubleshooting, and continuous improvement.The candidate will serve as a technical expert for Adaptiva and contribute to the platform’s evolution in accordance with best practices. They will also support the expansion of monitoring capabilities with SolarWinds to improve the visibility, stability, and performance of our critical infrastructures.What we are offering Competitive salary and annual bonus At least three weeks of vacation and three floating holidays a year from the first day of work, depending on your experience Full range of group insurance from the first day of work Telemedicine services Defined-contribution pension plan with generous employer participation from the first day of work Employee and family assistance program Education assistance program Hybrid workplace: in-person and remote work Work environment based on respect, inclusion and diversity Office accessible by public transit (*) English bilingual: If listed, this qualification is required since this function requires regular verbal and/or written interaction with customers, partners and/or our American subsidiaries. Domtar is firmly committed to placing greater emphasis on the principles of equity, diversity and inclusion to empower all employees to reach their full potential. We form a dynamic team whose diverse backgrounds and wealth of perspectives are one of the keys to our success. We offer an inclusive, rewarding and safe work environment with opportunities that will help grow your skills. To learn more about our company, consult the Domtar Company Web Site and follow us on LinkedIn, Instagram and Twitter. #LI-Hybrid 23411[[titleNOC]]Information Technology

What you’ll do

Requirements

Candidates must have at least 10 years of experience in Microsoft Windows Server administration and at least 5 years of experience with Adaptiva in an enterprise environment. Proficiency in PowerShell, monitoring tools like SolarWinds, and strong analytical problem-solving skills are required.