Network Architect - Connectivity, Wi-fi & Voice, SCALA

Network Architect - Connectivity, Wi-FI & Voice, SCALA

Managing the design, documentation, and implementation into BAU for network & voice services covering many service providers for the IP/MPLS SCADA network.

You will play an important role at a time when the business is integrating services into private- and public-cloud environments, and under a backdrop of convergence of IT and OT, with a focus on automation and orchestration of services.

Because of this, we are seeking technical expertise across multiple areas and functions - ability to work with pre-sales and internal teams on requirements gathering, creation of high-level and detailed design specs, ability to partner with development teams to automate configuration, delivery and support processes, and ownership of overall projects.

Principal Accountabilities

Develop and help design and implement IT/OT network Infrastructure.

Design and support solutions specific to our Communications market

Developing the architecture that supports our wide portfolio of products in the Communications market including - LTE Roaming and clearing, Caller ID and protection services, Messaging services, SS7 and mobile signalling services.

Design solutions such as large-scale SD-WAN, IPSec and MPLS VPN, IP multicast solutions and public cloud interconnects across wired and wireless comms.

Work with strategic vendors for solution evaluation and customization and will provide third-level Operations support for incident resolution, and leadership over critical operational maintenance works.

Monitor IT industry advances in technical infrastructure and associated new technology. Use this knowledge to assess likely impact on architecture, and to assist IT Operations and Business Architects in considering use of such technology etc.

Develop standards and policy relating to technical architecture direction and usage

Essential Skills to be successful in the role

Familiarisation of SCADA network infrastructure and protocols.

Experience of carrier-based multiplexer networks (TDM & SDH).

Experience of modem configuration and serial comms protocols.

Experience of Avaya/Extreme/Ruggedcom LAN Switches and configuration.

Experience resolving spanning-tree issues.

Experience of designing complex multi-vendor, multi-technology IP Networks.

Experience with architecture and provisioning of solutions within MPLS or SD-WAN based environments

Experience in network design and implementation based on high-level customer requirements

TCP/IP and routing knowledge (BGP & OSPF).

Experience with Customer Edge features such as Network Address Translation, VRRP/HSRP

Familiar with mobile networks.

Familiar with optic fibre networks.

Familiar with satellite and radio networks.

The ability to produce detailed network drawings using AutoCAD & Visio

Able to work flexible hours and provide on-call support

Desirable Skills

Experience with AAA, Tacacs+, Radius, and CA/PKI

Experience with Voice Over IP, Dial Services (Async/PPP, ISDN), Wireless services (CDMA, EVDO, GPRS, EDGE, 802.11b/g/n), Server Load-Balancing (F5)

Proficient in IPSec (including DMVPN and RRI) design, configuration, operation, and troubleshooting

Proficient in IP Multicast design, configuration, operation, and troubleshooting

Nature & Scope

You will work with the Corporate Network Manager, OT Datacentre Manager, OT focused support teams and partners, the rest of Technology team, IT Service Providers and partners across the business to implement and improve networking and voice arrangements.

You will blend several skillsets including network technology assessment, design, implementation, operation, governance, change management and communications. The main measure of success for this role is upholding the IT and organisational resilience, concerning threats and incidents.