Network Specialist - Engineer - Bracknell

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· The Network Specialist will need to provide ongoing network support for on-premises infrastructure.

· The Network Specialist will also need to understand Cloud networking technologies (AWS).

· The Network Specialist will act as Custodian for on-premises kit installed in offsite Datacentres.

· The Network Specialist will be required to apply and adhere to PCI-DSS standards on the network technologies.

· The Network Specialist will provide ad-hoc support for Project works.

· The activities and responsibilities of the Network Specialist will vary according to current demands, but will generally include many of the following:

o Responsible for implementation of network services for DN clients as part of project works.

o Responsible for management of network services for DN as part of BAU support.

o Actively participate in and resolve technical issues as part of incident management and problem solving

o Liaise with internal, multi-national teams to maintain internal and customer solutions, or deliver new services as part of those solutions.

o Keep current on Diebold Nixdorf solutions and industry information

· Work within a small network team to create and maintain supporting documentation for delivered solutions and provide 1st, 2nd and 3rd line support to BAU and project work.

Experience Required

· 6 - 10 years demonstrable experience of client network solutions, successfully delivered and maintained through national network suppliers.

· 6 - 10 years experience of planning, co-ordination and delivery of technical infrastructure. Predominatly TCP/IP based.

· 6 - 10 years wide ranging hands-on practical technical experience of:

o Troubleshooting network performance / fault analysis

o Use of Wireshark and other tools for capturing and analysing a wide range of network protocols

o Network performance and capacity management tools

o Developing network operational processes

o Network security (firewalls) and VPN technologies

Skills Required

· Thorough knowledge of wide range of network technologies and Infrastructure architecture.

o MPLS connectivity

o ADSL

o Wireless routers

· Good knowledge of a range of Cisco devices used for routing and switching.

o Design and specify required configuraion parameters for solutions

o Review and interpret Cisco Configurations to confirm requirements for solution are met.

o Utilise the range of Cisco commands to analyse operational parameters, confirm correct operation and troubleshoot problems

· Expert knowledge of the TCP/IP Network protocols.

o Expert knowledge of IPV4 i.e. TCP handshake, Window mechanism,Well- known tcp ports etc.

o IP addressing and subnet masks

o Expert knowldege of trace utilities across a range of Operating systems i.e. Wireshark, TCPdump, Cisco Debug

o Awareness IPV6

· Working knowledge of Solaris, Linux and Windows operating systems, with indepth knowledge of commands to:

o analyse IP parameters assigned to interfaces

o IP routing table information

o tracing commands to confirm routing

· Good knowledge of designing High Availability DMZ to interface customer networks to internal Firewall infrastructure.

o IP addressing

o Use of NAT if required

o Automatic failover principles and protocols

o Creation of test plans to confirm correct operation

o Ability to influence third party suppliers to ensure the delivered solution meets the requirements within timescales and budget

· Good knowledge of VPN technologies, Cisco, F5, Palo Alto, Firewall & AWS based

o Peering IP addresses

o Encryption domains

o Encryption protocols

· Working knowledge of Amazon Web Services

o Experience of cloud technolgies in general

o Emphasis on the Networking elements, VPN, Direct Connect, VPC, Route 53, Security Groups, VPG, Network ACLs, Routing Tables, etc.

· Awareness of PCI DSS standards

· Awareness of strict Change Control processes

· Experience of the following tools

o JIRA

o Confluence