Sr. Network Administrator

3 weeks ago


Mississauga, Canada Tundra Technical Solutions Inc. Full time
Qualifications

Essential Qualifications:

  • A Bachelor's degree in Computer Science, Computer Engineering, or related discipline or an equivalent combination of education and experience.
  • Minimum of 6 years of experience on a campus network consisting of over 15,000 network data drops.
  • Must have a minimum of 6 years of proven, hands-on experience in complex, heterogeneous, campus and data centre networks with the technologies specified below.
  • Ethernet and optical fibre structured cabling. Different types of cables and connectors. Expertise supplying specifications for racks, cable trays and managers, supports, UPSs, PDUs, and related components.
  • Configuration and deployment of large Ethernet switches comprising an excess of 380 Ethernet PoE ports, virtual switching systems (or similar technology) and switch stacking. Great familiarity with command-line interfaces and switch scripting.
  • Multiple variations of Spanning Tree, link-aggregation, loop prevention, VLANs, trunk ports, and port access control.
  • Deep understanding of the "Internet Protocol Suite" and how to configure IPv4, IPv6 (unicast and anycast), OSPFv2, OSPFv3, BGP, VxLAN, multicast and IGMP, equal-cost multipath, routing table virtualization, VoIP, NAT, and other protocols/technologies.
  • Excellent understanding of wireless technologies, including carrier signals, frequency, keying methods, wavelengths, wave propagation, SNR, types of antennas, beamforming, authentication and association states, roaming, and other relevant concepts.
  • Proficient with Linux and/or UNIX variants, able to create Ansible roles/playbooks, write shell scripts, and capture Wireshark/tcpdump outputs.
  • Deep understanding of DNS resolution, DHCP, SNMPv3, NTP.
  • Ability to review and write technical documentation and create diagrams. Ability to understand RFCs, standards, and very complex technical concepts in general.
  • Must communicate well both verbally and in writing. Must be able to explain technical concepts to non-technical personnel.
  • Must have initiative to address legacy issues, develop new ideas, lead new projects, and work both independently and as a member of a team.
  • Strong commitment to high quality service.
  • Strong analytical and problem solving skills.
  • Strong time management skills to permit simultaneous action on many tasks, many of which will demand timely completion.

Assets (Nonessential)

  • Familiarity with MPLS, software-defined networking, segment routing and emerging network technologies.
  • Experience assisting junior staff.

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