Network Administrator – 29954-RFR-DTS-062

Job Description

Role Description:

Core Responsibilities:

• Enterprise Network Operations (LAN / WAN / Data Centre):
  
• Work with Managed Service Providers to administer and support:
  
• LAN (core/distribution/access switching)
  
• WAN connectivity (MPLS, internet, edge routing)
  
• Data centre networking environments
  
• Monitor availability, capacity, and performance; take proactive action to prevent service degradation
  
• Perform incident, problem, and change management for network services
  
• Cloud Network Integration (Critical for your model):
  
• Support Azure and AVS networking, including:
  
• ExpressRoute configuration and troubleshooting
  
• Hybrid connectivity between:
  
• On-prem data centres
  
• AVS private cloud
  
• Azure native services
  
• Ensure consistent routing, segmentation, and security across environments
  
• Network Infrastructure Lifecycle & Refresh:
  
• Support network infrastructure refresh programs, including:
  
• Switch and router upgrades
  
• Firewall lifecycle management
  
• Wi-Fi infrastructure refresh
  
• Validate configurations, ensure high availability, and support migration cutovers
  
• Maintain alignment to enterprise standards and architecture
  
• Network Security & Perimeter Services:
  
• Work with Managed Service Providers to administer and support:
  
• Cisco and Checkpoint firewalls
  
• Bluecoat proxy solutions
  
• Network access control and segmentation
  
• Implement firewall rule changes with impact assessment
  
• Support vulnerability remediation and security compliance activities
  
• Application Delivery & Load Balancing:
  
• Work with Managed Service Providers to administer:
  
• Citrix Netscaler (ADC/load balancing)
  
• Support application traffic management, SSL offload, and availability optimization
  
• Enterprise WiFi (Campus & Workplace):
  
• Work with Managed Service Providers to 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
  
• AI Data Centre Support (Important Differentiator):
  
• Support networking for high-performance compute environments:
  
• Low latency, high throughput networking
  
• GPU cluster connectivity (if applicable)
  
• Work with infrastructure teams to ensure network supports AI/analytics workloads
  
• Monitoring, Logging & Optimization:
  
• Knowledge of network monitoring tools to:
  
• Identify performance bottlenecks
  
• Analyze traffic patterns
  
• Ensure centralized logging and observability for network devices
  
• MSP & Vendor Coordination:
  
• Work with Managed Service Providers:
  
• Validate work performed
  
• Provide technical oversight
  
• Ensure adherence to standards and SLAs
  
• Participate in change planning and service integration
  
• Documentation & Governance:
  
• Maintain network diagrams, configurations, and operational runbooks
  
• Participate in change advisory boards and governance processes
  
• Ensure compliance with enterprise security and operational standards
  

Requirements

Skill Requirements/ Qualifications:

The Resource must have the following minimum qualifications or experience:

Experience:

• 5+ years in enterprise network administration
  
• Proven experience in large, multi-site or hybrid environments
  
• Experience working within MSP-integrated delivery models
  

Technical Skills

Core Networking

• Strong expertise in:
  
• TCP/IP, routing (BGP, OSPF), switching (VLANs, STP)
  
• WAN technologies and MPLS environments
  
• Deep understanding of high availability and redundancy design
  
• Cisco edge switching
  

Cloud Connectivity

• Hands-on experience with:
  
• Azure networking
  
• ExpressRoute (configuration, troubleshooting)
  
• Hybrid network design
  

Firewalls & Security

• Experience with:
  
• Cisco firewalls
  
• Checkpoint firewalls
  
• Proxy solutions (Bluecoat or equivalent)
  

Application Delivery

• Hands-on experience with:
  
• Citrix Netscaler / ADC (load balancing, SSL, traffic management)
  

Wireless Networking

• Enterprise Wi-Fi experience:
  
• Aruba / HPE wireless solutions
  

Infrastructure & Tools

• Network monitoring and analysis tools
  
• Packet capture and troubleshooting tools
  
• Configuration and change management tools
  

Preferred Qualifications or Experience:

Certifications (Preferred)

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

Requirements
Skill Requirements/ Qualifications: The Resource must have the following minimum qualifications or experience: Experience: 5+ years in enterprise network administration Proven experience in large, multi-site or hybrid environments Experience working within MSP-integrated delivery models Technical Skills Core Networking Strong expertise in: TCP/IP, routing (BGP, OSPF), switching (VLANs, STP) WAN technologies and MPLS environments Deep understanding of high availability and redundancy design Cisco edge switching Cloud Connectivity Hands-on experience with: Azure networking ExpressRoute (configuration, troubleshooting) Hybrid network design Firewalls & Security Experience with: Cisco firewalls Checkpoint firewalls Proxy solutions (Bluecoat or equivalent) Application Delivery Hands-on experience with: Citrix Netscaler / ADC (load balancing, SSL, traffic management) Wireless Networking Enterprise Wi-Fi experience: Aruba / HPE wireless solutions Infrastructure & Tools Network monitoring and analysis tools Packet capture and troubleshooting tools Configuration and change management tools Preferred Qualifications or Experience: Certifications (Preferred) CCNP or higher Azure Network Engineer Associate Aruba / HPE wireless certifications Check Point / Cisco security certifications