Manage the availability, performance and security of the IT infrastructure (servers, storage, networks).
Ensure proactive monitoring and rapid incident resolution.
Deploy and configure systems, software and equipment.
Manage user accounts, permissions and backups according to security best practices.
Diagnose and resolve hardware and software issues across client/server/storage/network devices.
Design and implement backup and disaster recovery plans.
Lead the migration of workloads to public cloud platforms.
Mentor and support the development of junior system administrators.

Requirements - 3 to 5 years of experience managing IT infrastructures.
Robust command of network architecture, server management and cloud environments (Azure/GCP).
Solid understanding of TCP/IP, DNS, DHCP, VLANs, HTTP, SSL/TLS, SSH, as well as clustering, load balancing and AD/LDAP integration.
Hands-on experience administering firewalls (OPNsense, pfSense, MikroTik, iptables, NGFW).
Practical experience with hypervisors (VMware, Proxmox) and storage arrays (iSCSI SAN, NFS NAS).




Proven experience migrating workloads from on-premises/colocation environments to public cloud platforms (Azure, AWS, GCP).
Basic programming and scripting skills.

Core Competencies

Demonstrates expertise in managing IT infrastructure, including server management, network architecture, and cloud environments. Proficient in incident resolution, system deployment, and implementing security best practices. Highest-signal resume keywords - IT Infrastructure Management
Cloud Migration (Azure, GCP, AWS)
Network Architecture (TCP/IP, DNS, DHCP)
Firewall Administration (OPNsense, pfSense)
Backup and Disaster Recovery Planning ATS Optimization Keywords Hard Skills - Server Management
Network Architecture
Cloud Environments
TCP/IP
DNS
DHCP
VLANs
HTTP
SSL/TLS
Basic Programming and Scripting Soft Skills - Mentoring
Support Development Industry Keywords - IT Infrastructure
Incident Resolution
Security Best Practices
Load Balancing
AD/LDAP Integration Tools & Technologies - Azure
GCP
VMware
Proxmox
ISCSI SAN
NFS NAS
OPNsense
PfSense
MikroTik
Iptables

📌 System Administrator – System Administrator Montreal
🏢 Jobtailor
📍 Montreal