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Network Infrastructure Analyst

Harrisrebar · Hamilton, ON

About this job

Purpose: The Network Infrastructure Analyst is responsible for the secure, reliable, and efficient operation of network and systems infrastructure across local and remote environments. This role combines hands-on network and security administration with server, storage, virtualization, Microsoft 365, cloud, backup, monitoring, documentation, and end-user support responsibilities. The successful candidate will act as a technical resource for the IT team, support projects and operational improvements, and participate in incident response and on-call support.   Key Responsibilities Network Security and Palo Alto Firewall Administration · Administer, maintain, troubleshoot, and optimize Palo Alto Networks firewalls, including security policies, NAT, VPN connectivity, content and URL filtering, threat prevention, logging, alerting, and rule-base hygiene. · Monitor and respond to security events and automated alerts; investigate potential threats, determine appropriate remediation, document findings, and escalate when required. · Support network security controls including intrusion detection and prevention, secure remote access, segmentation, network access control, and conditional access. · Coordinate changes and projects with internal network and security teams while serving as the local hands-on technical resource. · Maintain accurate firewall, network, security, and recovery documentation, including configurations, procedures, diagrams, troubleshooting records, and vendor information. Network Administration and Availability · Manage and support LAN, WAN, wireless, VPN, MPLS, VLAN, DNS, DHCP, TCP/IP, routing, switching, access points, communication links, and related network equipment. · Monitor network and system performance, availability, and capacity; identify risks and opportunities to improve reliability, security, speed, scalability, and recoverability. · Diagnose and resolve complex connectivity and performance issues affecting servers, workstations, production/process/OT endpoints, and remote sites. · Respond promptly to outages and incidents to minimize downtime and maintain business continuity. Infrastructure, Systems, and Cloud Administration · Deploy, administer, and maintain physical and virtual servers in on-premises and remote environments using VMware ESXi and Microsoft Hyper-V. · Administer enterprise storage, SAN infrastructure, system backups, recovery processes, security updates, and data availability controls. · Support Active Directory, Microsoft Entra ID/Azure AD, identity synchronization, single sign-on, Conditional Access, Privileged Identity Management, entitlement management, user provisioning, Microsoft Intune, Microsoft 365/Exchange, SharePoint, Azure, Citrix Virtual Apps and Desktops, SQL, and utility servers. · Support core and division technologies including network printing, camera systems, telephone and Teams Phone services, site backup systems, and custom division applications and sites. · Assist with server and data migrations, including migration of appropriate server-based data to SharePoint. Operational Support and Continuous Improvement · Provide technical support through phone, email, chat, ticketing systems, onsite service, and remote support channels. · Monitor systems-management alerts, determine the most effective resolution, and implement repairs, upgrades, and improvements that maintain system performance and availability. · Evaluate operational needs; research and recommend products, services, protocols, and standards; plan and deliver assigned infrastructure and security projects. · Diagnose technical problems, document reusable solutions, identify incident trends, and recommend preventive or corrective actions. · Act as a technical resource to teammates and end users; provide clear technical guidance, training, and knowledge transfer. · Provide backup support for other IT operations roles and mentor or train team members when required. · Work independently, prioritize competing assignments, make sound judgments during incidents, and coordinate work with internal teams, vendors, and external support providers.   Minimum Qualifications and Education Requirements - University degree or college diploma in Computer Science, Information Technology, or a related field, or an equivalent combination of education and relevant technical experience. · Five or more years of direct experience in network, infrastructure, systems administration, or a closely related technical support role. · Strong hands-on experience administering and troubleshooting Palo Alto Networks firewalls in an enterprise environment. · Solid knowledge of security principles and controls, including firewall policy management, VPNs, intrusion prevention/detection, network segmentation, logging, alert response, content filtering, secure access, and incident troubleshooting. · Proficiency with TCP/IP, DNS, DHCP, LAN/WAN, VLANs, routing, switching, wireless networking, VPNs, and network troubleshooting. · Experience configuring and managing virtual environments, servers, enterprise storage, backup, and recovery systems. · Working knowledge of Microsoft infrastructure and cloud technologies, including Active Directory, Microsoft Entra ID/Azure AD, Microsoft 365/Exchange, SharePoint, Azure, and Intune. · Excellent analytical, problem-solving, documentation, and troubleshooting skills. · Strong written and verbal communication skills, with the ability to explain technical and non-technical information to end users, teammates, stakeholders, and vendors. · Ability to adapt to change, learn and implement new technologies, and manage multiple priorities with minimal direction.   Preferred Experience and Certifications · Palo Alto Networks certification or equivalent demonstrable firewall administration expertise. · Relevant certifications such as CCNA, CCNP, CompTIA Network+, CompTIA Security+, Microsoft, VMware, or equivalent. · Experience with Cisco routers and switches, Cisco HyperFlex, network access control, Citrix, Fortinet or Teams Phone systems, SQL, camera systems, and OT or production network environments. · Experience supporting multiple locations, product groups, or divisions and coordinating work with remote IT teams.   Special Demands - Work overtime and/or weekends when required to support incidents, maintenance, projects, or business operations. · Provide onsite hands-on support and act as a liaison for remote IT teams at the division’s physical location. · Follow all applicable safety requirements while working in office, data centre, production, and operational environments.   Salary Range: $90,000 - $110,000 CAD annually.  Use of AI in Our Hiring Process: Our recruitment team may use AI-assisted tools to help identify and review candidate applications based on job-related requirements and qualifications. All hiring decisions are made by humans. Existing Vacancy: This job posting is for an existing vacancy

Listed on ApplyNorth from a public Canadian job source. Original posting.