Senior Systems Administrator maintaining SaaS infrastructure at Behaviour Interactive in Montreal. Seeking experienced professional with strong technical foundation in systems and networking.
Responsibilities
Administer and maintain servers, storage, virtualization platforms, and network infrastructure across on-premise and cloud environments.
Manage system access, authentication, and secure remote connectivity to ensure security and compliance.
Support cloud infrastructure for SaaS applications, including platform migrations and cloud modernization initiatives.
Provide Tier 3/escalation support for complex technical issues, including performance troubleshooting, and participate in an on-call rotation to ensure system stability and reliability.
Collaborate with cross-functional teams to deliver reliable, scalable, and highly available solutions for internal and client systems, while mentoring junior administrators.
Evaluate, test, and implement new tools and technologies, contributing to automation and continuous improvement efforts.
Requirements
7+ years of progressive experience in Systems Administration, Network Engineering, or related infrastructure roles, with the ability to serve as Tier 3/escalation support and resolve complex issues.
Deep expertise with Windows Server (2012 and later), including upgrades, migrations, and enterprise-scale administration.
Strong hands-on experience with virtualization and cloud platforms, including VMware ESXi, Azure, AWS, and enterprise storage solutions (Nimble, HPE Qumulo).
Solid networking fundamentals with practical experience managing HPE Aruba switching and firewall platforms (Fortinet or equivalent).
Experience with authentication and identity services (Active Directory, Azure AD, LDAP, SAML), along with scripting or automation skills using PowerShell, Python, or similar tools.
Collaborative, team-oriented professional with excellent communication skills, a proactive mindset, and a positive approach to problem-solving.
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