Network Infrastructure Specialist

Network Infrastructure Specialist

A Network Infrastructure Specialist plays a critical role in maintaining and optimizing an organization's network infrastructure. The ideal candidate will have extensive experience in designing, developing, and supporting complex networks.

• Design, develop, and support global network architectures to meet business needs.
• Implement and maintain scalable and highly available network infrastructures.
• Collaborate with cross-functional teams to resolve network-related issues.
• Stay up-to-date with industry trends and emerging technologies.

• Implement and support the corporate network infrastructure.
• Design, setup, and configure complex L2/L3 switches.
• Maintain, create, and update all network documentation and topology diagrams.
• Support multiple datacenters consisting of Cisco Nexus LAN (L2/L3), Console switches, ASA firewalls, Cisco UCS Fabric Interconnects, Palo Alto firewalls, Cisco Wireless LAN Controllers, Aruba Devices, and other miscellaneous network appliances.
• Research, evaluate, maintain, and perform Cisco IOS code upgrades for a global network infrastructure.
• Leverage multiple network monitoring tools to analyze network traffic patterns to proactively identify performance issues and account for capacity planning.
• Work with multiple vendors routinely for support, feature enhancement, and design strategy when required.
• Responsible for managing and maintaining SD Wan networks.
• Full ownership of all WAN routers, configurations, QoS policies, and ensuring stability of the network 24/7.
• Support manage and maintain all ISP Internet connectivity for the firm from multiple carriers with multiple links in multiple locations.
• Support, manage, and maintain network monitoring system for the firm's global network.
• Support of the firm's global wireless infrastructure made up of all Cisco thin APs and Cisco Wireless LAN Controllers.
• On a rotating basis, provide after-hour coverage to respond to network-related issues occurring either before or after support hours.
• When requested, attend IT meetings and scheduled teleconferences.
• Other duties and projects as assigned.

• 3-5+ years related work experience preferably in a professional services environment.
• Experience with Cisco Nexus L2/L3 switching technology.
• Protocols EIGRP, BGP, OSPF, HSRP, IPSEC, VPN, NAT, 802.1Q, 802.11, LACP, Spanning-tree, UDLD, BPDU, HTTP, HTTPS, DHCP, DNS.
• Experience with Cisco 4500, 3850, ASR/ISR routers and Nexus 7K/9Ks.
• Must possess a thorough understanding of Network Infrastructure and security topology. IP telephony a plus.
• Knowledge and/or experience configuring and supporting Cisco ASA firewalls. VPN, IPS/IDS, and Palo Alto.
• Experience with Cisco wireless technology and LAN controllers. Any prior experience Cisco ACS, Radius, TACACS, Prime, or ISE.
• Network monitoring tools (SolarWinds, Site24x7), SNMP, Wireshark.
• Experience with Zscaler and/or F5 load balancers very desirable, web URL filtering is a plus but not required.
• Excellent written, oral, and interpersonal communications skills.
• Ability to conduct research into network issues and products as required.
• Ability to communicate ideas in both technical and user-friendly language.
• Highly self-motivated and directed, with keen attention to detail.
• Proven analytical and creative problem-solving abilities.
• Able to prioritize and execute tasks in a high-pressure environment.
• Strong customer service orientation.
• Experience working in a team-oriented, collaborative environment.

• Education: Bachelor's degree in IT / Computer Science or equivalent streams.
• Cisco certifications in Routing, Switching, and/or Wireless is an added advantage.