Network Administrator – 29954-RFR-DTS-062

Maarut•Springfield, MB

About The Position

The Network Administrator will be responsible for administering and supporting enterprise network operations, including LAN, WAN, and Data Centre environments. This role involves working with Managed Service Providers (MSPs) to ensure the availability, capacity, and performance of network services, as well as managing incident, problem, and change management processes. A critical aspect of this role is cloud network integration, specifically supporting Azure and AVS networking, including ExpressRoute configuration and troubleshooting for hybrid connectivity between on-premise data centres, AVS private cloud, and Azure native services. The administrator will also support network infrastructure lifecycle and refresh programs, including switch, router, and firewall upgrades, and Wi-Fi infrastructure refreshes. Additionally, the role involves managing network security and perimeter services, application delivery and load balancing, enterprise Wi-Fi, and supporting networking for AI Data Centres. Key responsibilities include monitoring, logging, optimization, MSP and vendor coordination, and maintaining documentation and governance processes.

Requirements

5+ years in enterprise network administration
Proven experience in large, multi-site or hybrid environments
Experience working within MSP-integrated delivery models
Strong expertise in TCP/IP, routing (BGP, OSPF), switching (VLANs, STP)
Experience with WAN technologies and MPLS environments
Deep understanding of high availability and redundancy design
Experience with Cisco edge switching
Hands-on experience with Azure networking
Hands-on experience with ExpressRoute (configuration, troubleshooting)
Hands-on experience with hybrid network design
Experience with Cisco firewalls
Experience with Checkpoint firewalls
Experience with Proxy solutions (Bluecoat or equivalent)
Hands-on experience with Citrix Netscaler / ADC (load balancing, SSL, traffic management)
Enterprise Wi-Fi experience with Aruba / HPE wireless solutions
Familiarity with network monitoring and analysis tools
Familiarity with packet capture and troubleshooting tools
Familiarity with configuration and change management tools

Nice To Haves

CCNP or higher certification
Azure Network Engineer Associate certification
Aruba / HPE wireless certifications
Check Point / Cisco security certifications

Responsibilities

Administer and support LAN (core/distribution/access switching), WAN connectivity (MPLS, internet, edge routing), and Data Centre networking environments.
Monitor network availability, capacity, and performance, taking proactive action to prevent service degradation.
Perform incident, problem, and change management for network services.
Support Azure and AVS networking, including ExpressRoute configuration and troubleshooting, and hybrid connectivity.
Ensure consistent routing, segmentation, and security across on-premise data centres, AVS private cloud, and Azure native services.
Support network infrastructure refresh programs, including switch and router upgrades, firewall lifecycle management, and Wi-Fi infrastructure refresh.
Validate configurations, ensure high availability, and support migration cutovers.
Maintain alignment to enterprise standards and architecture.
Administer and support Cisco and Checkpoint firewalls, Bluecoat proxy solutions, and network access control and segmentation.
Implement firewall rule changes with impact assessment.
Support vulnerability remediation and security compliance activities.
Administer Citrix Netscaler (ADC/load balancing) for application traffic management, SSL offload, and availability optimization.
Manage Aruba / HPE wireless infrastructure (controllers, access points, authentication).
Ensure high performance and coverage across workplace environments.
Support onboarding and troubleshooting for enterprise wireless services.
Support networking for high-performance compute environments, including low latency, high throughput networking and GPU cluster connectivity.
Work with infrastructure teams to ensure network supports AI/analytics workloads.
Utilize network monitoring tools to identify performance bottlenecks, analyze traffic patterns, and ensure centralized logging and observability.
Coordinate with Managed Service Providers to validate work performed, provide technical oversight, and ensure adherence to standards and SLAs.
Participate in change planning and service integration.
Maintain network diagrams, configurations, and operational runbooks.
Participate in change advisory boards and governance processes.
Ensure compliance with enterprise security and operational standards.