Network Infrastructure Specialist

3 days ago

Redhill, Surrey, United Kingdom Tiger Resourcing Group Full time

About the Role:

Tiger Resourcing Group is seeking a highly skilled and experienced Network Infrastructure Specialist to join our team. As a Senior Network Engineer, you will be responsible for the management and operation of client-facing networks, providing network design consultancy and operational support to all areas of the business.

Key Responsibilities:

  • Manage day-to-day network operations, including incident and service request management.
  • Resolve or escalate incidents and service requests within Service Level Agreements (SLA).
  • Develop and implement network change communications and procedures within the change control framework.
  • Monitor and report on network health using management tools, including Solarwinds Network Performance Manager.
  • Perform daily network health checks, identify, and rectify potential issues in a timely manner.
  • Install and commission network infrastructure platforms, including switches, routers, firewalls, and load balancers.
  • Provide expertise in the development, design, and deployment of WiFi and mobile (3G/4G) communications solutions for Enterprise and customer engineering projects.
  • Administer network protocols and technologies, including MPLS, BGP, OSPF, IPSEC, PVST, LCP.
  • Create and maintain accurate, clear, and comprehensive network documentation.
  • Assist in the recommendation of new network equipment to meet project requirements.
  • Work closely with other areas of the business to provide appropriate solutions and specialist support/advice for projects and variation orders as required.
  • Take responsibility for customer project deliverables.
  • Mentor and assist with the development of less experienced team members.
  • Provide 3rd line support, including out-of-hours support in critical incidents, and participate in on-call support.
  • Perform other related duties as negotiated to meet the ongoing needs of the organization.
  • Ensure application availability, performance, scalability, and security throughout their networks by using traffic management, delivery, and acceleration techniques in conjunction with WAN optimization, caching, and quality of service methods.

Requirements:

  • Current Cisco Certified Network Professional qualification or a recognized equivalent.
  • Current full driving license and own car for traveling to and from data centers and their sites.
  • Foundation in ITIL.
  • University degree in a numerate subject (e.g., Computer Science, math, or engineering).

Desirable Skills and Experience:

  • Extensive and proven commercial experience in designing, installing, commissioning, and supporting large, complex, multisite voice and data LAN and WAN network solutions based predominantly on Cisco products.
  • An in-depth understanding of network infrastructure design and best practice principles, including routing and switching concepts and technologies, advanced IP addressing, dynamic routing protocols.
  • MPLS, secure and resilient routing solutions, unified communications, load balancing, and traffic management, quality of service (QOS), wireless and mobile communications.
  • Experience of implementing and supporting remote access and legacy dial-up technologies.
  • An in-depth understanding of end-to-end secure network concepts, technologies, and protocols, including access control, next-generation web application and stateful firewalls technologies, intrusion prevention, encryption (IPSEC, SSL, PKI), security event information management systems, proxy services.
  • Excellent troubleshooting and problem diagnosis skills developed from experience.
  • Experience of FCOE solutions.
  • Experience of Storage Area Network implementation.
  • An understanding of the principles of Datacenter Management.
  • Unix/Linux knowledge.

Platform Technology Exposure:

Essential:

  • Cisco Branch and Edge Routers.
  • Cisco Datacenter SAN fabric and Campus LAN Switches, including Nexus 57K.
  • Cisco Adaptive security and IDP appliances.
  • F5 Local and Global load balancers.
  • Cisco ASA & Juniper (JUNOS) SRX Firewalls.
  • Web Application or Next-generation firewalls (Barracuda, Palo Alto, or similar).
  • Ethernet, MPLS, DSL, Leased lines, ISDN.
  • DHCP, Dynamic DNS/BIND, SNMPv3, ACS, Radius/TACACS.
  • Fiber networks deployment (DWDM) and standards.
  • CiscoWorks LMS, Solarwinds Orion (or similar), Netflow collection and analysis, Probes, packet sniffers, cable analyzers.

Desirable:

  • Cisco ACI.

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