Sr. Windows System Administrator (Spam filtering)

Your Impact: Are you a Windows Systems Administrator that excels in what you do and can help make our team better? You like working with physical servers, Hyper-V, VMs and Azure? We do that too. We handle all aspects of mail flow for our spam filtering and Microsoft Exchange products, server upgrades, migrations, and retiring the old hardware. We also work with various email MTAs, SCOM, Virtual Machine Manager, IIS, Octopus for automation, and troubleshooting applications on the servers. On-call rotation will be required for 24x 7x 365 support of production environments.

What The Role: Offers Manage infrastructure of Windows Servers, Hyper-V/Virtual Machine manager, Azure, and a fleet of VMs. Troubleshooting SMTP, TLS, and various email transport issues. Working with F5 load balancers to ensure mail flow is evenly weighted between the servers. Assisting our software development department as they deploy new services and build new applications. Troubleshoot IIS issues. Responsible for security and patching of the systems.

What You Need: To Succeed Highly detail-oriented with ability to manage multiple issues simultaneously.10+ years of Windows server management experience. Bachelor's degree in Information Systems or equivalent experience. Strong knowledge of enterprise deployment tools such as Octopus or Ansible. Expertise in DNS, Active Directory, SMTP, TLS, load balancing, networking, virtualization, cybersecurity, Azure, and Microsoft SQL.Working knowledge of Linux is a plus. One last thing Open Text is more than just a corporation, it's a global community where trust is foundational, the bar is raised, and outcomes are owned. Join us on our mission to drive positive change through privacy, technology, and collaboration. At Open Text, we don't just have a culture; we have character. Choose us because you want to be part of a company that embraces innovation and empowers its employees to make a difference. Open Text's commitment to diversity and inclusion surpasses legal requirements, evident in our Equal Employment Opportunity Statement of Policy which promotes a respectful and empowering environment for employees of all backgrounds, culture, national origin, race, color, gender, gender identification, sexual orientation, family status, age, veteran status, disability, religion, or other basis protected by applicable laws. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please submit a ticket at Ask HR. Our proactive approach fosters collaboration, innovation, and personal growth, enriching Open Text's vibrant workplace.

Compensation: At Open Text, we offer a thoughtfully designed benefits package that supports your physical, emotional, and financial wellbeing. As you move through the hiring process, we're happy to provide more details about our compensation programs, including variable and commission compensation opportunities for eligible roles, vacation entitlement, and paid time off.

Salary Range: $81600 - $122400 CAD per annum; Depending on the candidate's education, experience, skills, geographical location, and alignment with internal equity and external market, actual salary may vary and be higher or lower than the range posted. AI Usage Disclosure: As part of our commitment to transparency, we use artificial intelligence (AI) tools to assist in various stages of our recruitment process, including resume screening, candidate matching, interview scheduling, and communications. These tools are designed to improve efficiency, reduce bias, and enhance candidate experience. All decisions regarding hiring are made by qualified human professionals, and we continuously monitor our AI systems to ensure fairness and compliance with applicable regulations.

Job number: 53076

Date posted: 2026-08-14 Profession: IT & Cloud Operations

Employment type: Regular