Network Administrator

Brookfield Asset Management•Chicago, IL

1d•$80,000 - $100,000

About The Position

At Brookfield Properties, our people are the foundation of our success. The Brookfield Properties Corporate team brings together subject matter experts who lead with confidence, adaptability, and resourcefulness. The corporate group works across all sectors of Brookfield’s real estate business – including housing, logistics, hospitality, office, and retail – collaborating with our best-in-class asset managers. Efficiency is at the core of what we do. We seek to simplify, standardize, automate, and optimize—creating smarter solutions and maximizing value across every facet of Brookfield’s business. When you join the Brookfield Properties Corporate team, you become part of a high-performing, collaborative environment where innovation and impact thrive. We are seeking a Network Administrator to support our Brookfield Properties Corporate team, reporting to the Network Architect. The ideal candidate will be an independent worker who has a proven track record of being detailed oriented, proactive, and professional. The ability to act as a gatekeeper while thinking ahead, remaining resourceful and efficient is key to this role. The Network Administrator is a hands-on technical role responsible for implementing, operating, and supporting enterprise network infrastructure across on-prem and cloud environments. Reporting to the Network Architect under the Vice President, Infrastructure & Service, the Network Administrator ensures that networking solutions are deployed and maintained in line with architectural standards and security requirements. This role focuses on day-to-day operations, troubleshooting, monitoring, and optimization of network services, including LAN/WAN, DNS, DHCP, IPAM, Azure Virtual WAN, VPNs, routing, switching, firewalls, and SD-WAN solutions (Aruba, Palo Alto, etc.).

Requirements

3–5 years of experience in network administration or related IT infrastructure roles.
Strong knowledge of LAN/WAN technologies, switching, routing, and wireless networking.
Experience administering Arista, Cisco, Aruba, Palo Alto, Fortinet or equivalent enterprise networking equipment.
Familiarity with cloud networking (Azure Virtual Networks, Virtual WAN, and AWS).
Understanding of TCP/IP, DNS, DHCP, VLANs, VPNs, QoS, and load balancing concepts.
Experience with network monitoring tools (SolarWinds, PRTG, Auvik, Azure Monitor, etc.).
Working knowledge of firewall management, ACLs, and Zero Trust network principles.
Understanding of ITIL processes, change control, and documentation standards.
Strong troubleshooting, analytical, and problem-solving skills.
Excellent communication and collaboration abilities across IT and business teams.
Self-motivated, organized, and adaptable in a fast-paced technical environment.

Nice To Haves

Scripting or automation familiarity (Azure Bicep, Torq automation) is a plus.

Responsibilities

Network Administration & Operations Administer and maintain enterprise network infrastructure, including LAN, WAN, Wi-Fi, DNS, DHCP, and Azure virtual networks
Monitor network performance, availability, and capacity, taking proactive steps to prevent outages or degradation.
Apply firmware updates, configuration changes, and maintenance tasks in accordance with change management policies.
Maintain network diagrams, configuration documentation, and asset inventories for audit and compliance.
Device & Access Management Maintain IP address management and ensure accurate network addressing and VLAN documentation.
Enforce access policies and network segmentation following Zero Trust and least privilege principles.
Monitoring & Troubleshooting Monitor network infrastructure using enterprise tools (SolarWinds, PRTG, Azure Monitor, etc.).
Respond to network incidents and service requests, performing root cause analysis and remediation.
Collaborate with engineers, vendors, and service providers to resolve escalated issues efficiently.
Security & Compliance Implement and maintain firewalls, ACLs, and network security policies in accordance with company standards.
Support vulnerability remediation, patching, and compliance reporting for network devices.
Participate in incident response activities related to network security events.
Backup, Recovery & Continuity Manage network configuration backups and support disaster recovery testing.
Ensure network systems meet RTO/RPO and business continuity requirements.
Performance Optimization & Documentation Optimize network configurations for speed, efficiency, and reliability.
Track usage metrics, identify bottlenecks, and recommend improvements to enhance performance.
Maintain up-to-date documentation and contribute to operational runbooks and SOPs.
Collaboration & Support Provide Tier 2/3 operational support for network-related issues and requests.
Collaborate across technology and business teams to support integrated infrastructure services.
Participate in network infrastructure projects, upgrades, and rollouts as needed.