Sr.Network Analyst
Flexstaf I.T - Mississauga, ON

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We are looking to hire a Sr. Infrastructure Engineer who will be reporting to the Manager of Infrastructure Strategy & Solutions. As a key member of the Infrastructure team, the successful candidate is responsible for the planning, designing, recommending, documenting, implementing, and supporting core network systems based on current routing, switching, and security and management technologies. The Sr. Infrastructure Engineer advises and assists System Development with the integration of new software systems into the production infrastructure. This includes reviewing proposed system changes for possible conflicts.

Key Responsibilities:

  • Diagnose and resolve technical issues effectively and in a timely manner
  • Advanced IP subnetting (VLANs) and IP management
  • Advanced understanding of Routing protocols (BGP, OSPF, EIGRP)
  • Advanced understanding of Switching architecture and protocols (VLANs, VTP, Trunking, Port-channeling, Spanning Tree)
  • WAN access implementations (Frac-T1, DSL, ATM, LAN-x, Gig-E etc) and carrier backbone technologies (Frame, MPLS)
  • Advanced TCP/IP and Routing summarization
  • Advanced Traffic management and Prioritization experience (QoS)
  • Load balancing and failover technologies in a three tier web based environment
  • Advanced understanding of network security (ACE, IPSec, Key Management, RADIUS, TACACS+ Client & Site-to-site and remote access solutions) to design and implement compliance remediation audits (PCI, Internal IT Audits, etc…)
  • Ability to synthesize broad and diverse inputs and large amounts of information to formulate cohesive Network architecture solutions
  • Work cross functionally to develop project estimates [scope, time, cost, quality]
  • Proven ability to achieve consensus decisions on complex business and technical challenges
  • Excellent at training, motivating and guiding colleagues to achieve results and meet internal KPI’s


  • 8 + years of experience in an infrastructure environment based on Intel servers, Unix, SAN, Cisco based LAN/WAN
  • 5 years of experience in a three tier web based network architecture
  • CCIE in Routing and Switching and one other area of certification
  • Post-secondary degree in Computer Science, Information Systems or related field
  • Hands-on working experience in CISCO Voice technologies
  • Advanced understanding of High Availability infrastructure concept and implementation (3 tier web architecture)
  • Advanced understanding of Network Security (PIX/IDS/IPS/ASA) concept and implementation