David Hearn Email & Phone Number

Bristol, England, United Kingdom

Basingstoke, England, United Kingdom

• Role:
• Creation and delivery of end 2 end architectural designs and solutions to support UK Managed Services, including customer approvals, requirements mapping, business processes, primarily focusing on ESN (Emergency.
• Creation and management of requirements to comply with contractual, user, business, security, polices and standards for the customer deliverables.
• Identify and engage with all business stakeholders and teams to deliver solutions both technical and non-technical.
• Ensure designs takes onboard the concept of security in depth by design.
• Creating and re-using architectural and solution building blocks to align with the Programme design Principles and Managed service provided by business.

Basingstoke, England, United Kingdom

• Role:
• Design and document Infrastructure & Networking to host the LTE applications and Managed Service platforms to support ESN (Emergency Services Network), primarily focused on secure On-Premise solutions with some.
• The design of entire Infrastructure and its management applications to support OSS, BSS and Security teams in their delivery of applications and tools such as Billing, Reporting, Service Management and Security.
• Support to Tenders and provide supporting information to evidence proposal.
• Support technical work streams in delivering the architecture through to operational acceptance.
• Propose secure solutions to deliver hosted applications to meet application requirements.

Basingstoke, England, United Kingdom

• Role:
• Senior Technical Lead for Airwave Upgrade Team.
• Supporting Global Upgrades of TETRA systems for Europe and Middle East.Responsibilities:
• Define strategy planning, upgrade creation, testing and documenting for UK TETRA Nationwide upgrades for Switches, Sites & Control rooms
• Perform KPI and finical data analysis for UK upgrades.
• Performed data analysis especially financial data.

• Role:
• System Design of Command And Control including Contact Centre, Incident Command & Management SystemsResponsibilities:
• Integration to customer databases and interfaces such as:
• Telephony – CSTA, TAPI
• National address lookup using inbound telephone number.
• Customer Databases and Nationwide data query services such as PNC

• Role:
• System Design and implementation engineer radio and dispatching systems for public safety and utilities organisations.Responsibilities:
• Produce all documents associated to delivering projects successfully, e.g. Requirement Specifications, Functional Design Specifications, Technical Specifications, Test Specifications (FAT, SAT) and System Handbooks.
• Responsible for issuing all drawing information and procuring of all materials.
• Responsible for system configuration and problem solving.
• Produce statistical traffic analysis for voice and data systems in order to correctly size the required infrastructure.