Senior Windows System Administrator

We are looking for a Sr Windows System Administrator to join a dynamic, global technology team in Montreal. Technology is the key differentiator that ensures our global businesses are managed and clients are served on a resilient, safe, efficient, smart, fast, and flexible platform — redefining how business is conducted in complex, dynamic financial markets. Our organization operates a number of award-winning technology platforms, supported by strong techno-functional teams that partner with offices globally and take full ownership of systems and products. In this role, you will support enterprise-scale Windows Server environments, playing a key part in patching, deployment, and incident resolution — while joining a vibrant, diverse mix of technologists working across different technologies and functional domains, with a strong focus on innovation, inclusion, and knowledge sharing. We are looking for individuals who are curious, self-directed, self-motivated, and highly reliable. Many of the challenges you'll face are unique and complex, requiring creative thinking, perseverance, patience, and a willingness to ask questions in order to arrive at effective solutions. To be best prepared for this role, you should have a background in Microsoft Windows operations or system administration, ideally gained within a demanding enterprise environment. Location: Montreal Work Mode: Hybrid – 3 days per week in-office Key Responsibilities Work with and become proficient in a variety of enterprise technologies from Microsoft, Citrix, VMware, HP, and others Collaborate as part of a talented global team, operating under a Follow-the-Sun support model Bring your own experience to the table while contributing to or leading regional and global projects Take on responsibility gradually, with full support from your teammates throughout Required Profile Must-Have Qualifications 5+ years of primary, expert-level experience with patching and software deployment activities using Microsoft SCCM Ability to troubleshoot the Windows Server operating system and perform root-cause analysis during incidents Experience developing PowerShell scripts to automate and improve patching execution and reporting to meet SLAs Conceptual understanding of Active Directory, DNS, and DHCP roles Experience authoring technical documentation Good level of English Nice-to-Have Skills SCCM infrastructure management Transact-SQL Splunk ITIL Certification Microsoft SQL Server Reporting Why choose us An international community bringing together more than 110 different nationalities An environment where trust is central: 70% of our leaders started their careers at the entry level A strong training system with our internal Academy and more than 250 modules available A dynamic work environment that frequently comes together for internal events (afterworks, team buildings, etc.) Amaris Consulting promotes equal opportunities. We are committed to bringing together people from diverse backgrounds and creating an inclusive work environment. In this regard, we welcome applications from all qualified individuals, regardless of sex, sexual orientation, race, ethnicity, beliefs, age, marital status, disability, or other characteristics.

Support enterprise-scale Windows Server environments with a focus on patching, deployment, and incident resolution. Collaborate within a global Follow-the-Sun support model to lead regional and global projects.

Requires over 5 years of expert-level experience with Microsoft SCCM and PowerShell scripting for automation. Candidates must have a strong understanding of Windows Server operations, Active Directory, and technical documentation skills.

• Internal Academy Training • Internal Events • Team Buildings

Identified from the job description. Confirm important requirements above.

• Microsoft SCCM
• Windows Server
• PowerShell
• Active Directory
• DNS
• DHCP
• Root-Cause Analysis
• Technical Documentation
• Citrix
• VMware
• Transact-SQL
• Splunk
• ITIL
• Microsoft SQL Server Reporting

• Technology
• Consulting
• Software

Minimum experience

5+ years

Apply by

Sep 12, 2026

Posting language

English

Working hours

40 hours per week

Office presence

3 days per week

Seniority

Mid-Senior level

Application method

Direct apply is available