Sr. IT System & Network Administrator/Administrateur principal ou Administratrice principale, systèm

Role summary

Cloud and hybrid infrastructure

• Design, deploy, and manage cloud and hybrid infrastructure, including IaaS, PaaS, and hybrid connectivity.
• Lead architecture decisions for networking, identity and access, backup, disaster recovery, monitoring, and cost optimization.
• Set infrastructure standards and security baselines across cloud and on-premises environments; ensure availability, scalability, performance, and resilience.

Project delivery and administration

• Own infrastructure projects from requirements gathering and solution design through execution, closure, and post-project review.
• Coordinate technical initiatives and dependencies among Infrastructure, Helpdesk, Security, Development, and third-party vendors.
• Administer server, storage, virtualization, and network environments; lead networking implementations involving segmentation, firewalls, VPNs, secure remote access, and multi-site connectivity.
• Oversee identity and access management, including MFA and privileged access controls, and drive infrastructure automation.

Security, reliability, and knowledge transfer

• Integrate security practices such as zero trust, least privilege, and secure configurations into infrastructure operations.
• Support regulator and certification compliance; define and test backup, disaster recovery, and business continuity strategies.
• Produce architecture, deployment, procedure, and runbook documentation; transition solutions to operations and support teams.
• Mentor junior administrators and analysts and improve IT standards, tools, and operating practices.

Role qualifications

• The role calls for strong leadership across cloud platforms, infrastructure as code, security practices, and cross-functional project coordination.
• Infrastructure solutions must align with business, security, and compliance requirements.