Systems Administrator – Infrastructure

Get AI-powered advice on this job and more exclusive features. COMPANY VALUES: We succeed when our clients succeed + THE best at what we do + Passion drives our determination + Better every day + Cybersecurity in everything + Stronger together With over 20 years of experience, S3 Technologies is proud to be a recognized leader in managed IT services in Montreal and one of the largest independent managed IT service providers in Canada. We serve a bilingual SMB clientele across various industries and are proud to be an employer of choice with a team of over 100 employees. S3’s sustained growth is driven first and foremost by referrals from satisfied clients. What sets us apart is our commitment to prioritizing business outcomes over technology. While we’re passionate about IT, our true motivation comes from clients telling us that our work had a concrete and positive impact on their business. Our ambition is clear: to become the leading managed and co-managed IT services provider for SMBs in Quebec, and to contribute to their success by making them more secure, productive, and future‑ready. In our primarily remote work environment, you’ll have the opportunity to challenge yourself daily alongside colleagues who share your passion and are determined to be the best. If you want to join a team where continuous improvement is a core value and where clients are at the center of everything we do, we want to meet you The Role S3 Technologies currently offers an exciting career opportunity for a System Administrator within its Infrastructure team. The selected candidate must have strong technical expertise, excellent communication skills, and a solid commitment to providing operational ownership of our clients’ infrastructure, in collaboration with their internal IT team—ensuring the proper functioning of servers and network infrastructure. Main Job Responsibilities Operational Management: Take responsibility for the clients’ infrastructure, ensuring continuous smooth operation and proactively addressing potential challenges. Client Collaboration: Work closely with the client’s IT staff to understand their infrastructure needs, address concerns, and ensure smooth integration of S3 services. Ticket Management: Effectively manage the ticket list, appropriately prioritizing issues based on urgency and impact on the client, ensuring quick resolution. On-Call Rotation: Participate in the on-call rotation to provide assistance, occasionally on-site, outside of business hours (between 5 PM and 7 AM) for critical issues, coordinating with the client’s IT staff if necessary. Infrastructure Optimization: Identify and proactively implement improvements to optimize the performance, security, and reliability of the clients’ IT systems. Documentation: Maintain detailed and up-to-date documentation on system configurations, procedures, and best practices. Skills And Experience Requirements DEC or AEC in a job-related field, or equivalent 5 or more years experience in IT 2 or more years experience as a Systems Administrator Good command of written and spoken French Experience in configuring, installing, and deploying solutions such as Active Directory, LAN/WAN, firewalls, switches, wireless technology, Exchange, Office 365, Windows Server, cloud and virtualization technologies, network protocols, etc. Experience with Cisco, Dell, and Fortinet Computer troubleshooting skills (hardware and software) Ability to travel within the Montreal area approximately 1 to 2 times per month for client visits or to the office, as well as in case of an emergency in the evening, at night or during the weekend while on call Excellent adaptability Good communicator Team player Proactive and reactive Client-oriented Assets Bilingualism (French & English) Experience working in an MSP (Managed Service Provider) environment Basic scripting skills (PowerShell) Relevant training or certifications (Fortinet, Azure or other Microsoft certifications, etc.) Success Criteria By 6 months: Successfully take on the operational management of assigned clients’ infrastructure, demonstrating proactive management to maintain smooth and continuous operations. Effectively manage the tickets assigned to you, appropriately prioritizing issues based on urgency and impact on the client. Establish strong relationships with the IT teams of assigned clients, demonstrating your ability to address operational challenges collaboratively. By 12 months: Proactively collaborate with the client’s IT staff to implement improvements and optimizations based on the operational responsibility for the infrastructure. Provide mentorship and support to junior team members in operational ownership and ticket management. Contribute to the development and implementation of process improvements within the co-managed services team, with a focus on the importance of operational continuity. Position Highlights Remote work Continuous learning Stimulating environment Variety of clients Perks and Benefits Competitive salary, based on your experience Flexible remote work policy 5 minute walk from Place des Festivals, in downtown Montreal Group insurance Ambitious and dynamic corporate culture Several social and sporting activities throughout the year Opus card paid in part by the company Games and relaxation area in the office Gym and showers on site Only selected candidates will be contacted. Seniority level Mid‑Senior level Employment type Full‑time Job function Information Technology Industries Computer and Network Security and IT Services and IT Consulting Referrals increase your chances of interviewing at S3 Technologies Inc. by 2x Get notified about new System Administrator jobs in Quebec, Canada. 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