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Network Engineer - 3rd line support - Cisco - Firewalls

Tiger Resourcing Solutions Ltd

Posted on Mar 13, 2023 by Tiger Resourcing Solutions Ltd

Stockton-on-tees, County Durham, United Kingdom
Immediate Start
£30k - £42k Annual

Network Engineer - 3rd line support - Cisco - Firewalls

Company Details:

We offer an opportunity to provide innovative technology for government and commercial customers around the globe, helping to solve their future problems today. We're the leading integrator of payment and information technology and services for intelligent travel solutions worldwide, and the leading provider of realistic combat training systems, secure communications and networking and highly specialized support services for military and security forces of the U.S. and allied nations. If you have an entrepreneurial spirit and thrive in an innovative environment.

We are seeking employees inspired by technology, and motivated by the rewards of hard work, commitment, teamwork, quality, integrity, and respect. We invite you to explore opportunities with us.

Job Details:

Job Summary:

To take responsibility, as part of the Network Team, for the management and operation of our customer networks. To provide network design, consultancy and operational support to all areas of the business.

Job Duties and Responsibilities:

  • Day to day operations management of network-related incidents and service requests.
  • Resolution or escalation of incidents and service requests within Service Level Agreements (SLA).
  • Management of network change communications and procedures within the our 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 any potential issues in a timely manner.
  • Install and commission network infrastructure platforms including Switches, Routers, Firewalls and load balancers.
  • Provide expertise in development design and deployment of Wi-Fi and mobile (3G/4G) communications solutions to our Enterprise and customer engineering projects.
  • Administer network protocols and technologies including: MPLS, BGP, OSPF, IPSEC, PVST, LCP OSPF, MPLS, LACP, mBGP, BGP EVPN
  • 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 organisation.
  • Ensure application availability, performance, scalability and security throughout our networks by using traffic management, delivery and acceleration techniques in conjunction with WAN optimisation caching and quality of service methods.

Skills knowledge and experience:


  • Extensive and proven commercial experience in designing, Installing, commissioning and supporting large complex multi-site 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 Datacentre Management.
  • Unix/Linux knowledge

Experienced with

  • Cisco Branch and Edge Routers
  • Cisco Datacentre, SAN fabric and Campus LAN Switches, including Nexus 5-7K
  • Cisco Adaptive security and IDP appliances
  • F5 Local and Global load-balancers
  • Juniper (JUNOS) 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+,
  • Fibre networks deployment and standards
  • Cisco-Works LMS, Solarwinds Orion (or similar), Netflow collection and analysis. Probes, packet sniffers, cable analysers


  • Web Filtering (Websense)
  • Palo Alto familiarity

Education and qualifications:


  • A good level of further education
  • Current Cisco Certified Network Professional qualification or a recognised equivalent


  • ITIL Foundation
  • A university degree in a numerate subject (eg Computer Science, Maths, Engineering, Natural Science)

Reference: 2509689091


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Network Engineer - 3rd line support - Cisco - Firewalls in Stockton-on-tees, County Durham, United Kingdom, Full-Time

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