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Contract Type: Contract
Location: Berkshire, England
Salary: Negotiable
Start Date: ASAP
Contact Name: Robert Hudson
Contact Email:
Job Published: 11 months ago

Job Description

Requirements and Role description

  • The candidate should have a proven track record of architecting, designing and integrating Service Layer systems, solutions and services within 4G/LTE EPC, IMS and Application Function domains in order to realise Products and Marketing 4G voice and data service business requirements.
  • The candidate will lead the Service Layer aspects of the LTE VoLTE service; including: solution architecture, functional & non-functional requirements capture and definition, high-level/low-level design, installation, platform integration, deployment, configuration, test verification/validation, capacity engineering and support Transfer To Operations (TTO).
  • The candidate will be required to liaise and work with cross functional delivery teams and Subject Matter Experts (SMEs) within both the internal organisation and external Vendor organisations to enable the delivery of Service Layer design solutions
  • The candidate should have a proven track record operating within multi-vendor, mobile network environments and possess extensive experience of 3GPP, EPC, IMS, Service Layer or Service Control networks, architectures and associated protocols (i.e. SIP, Diameter, Radius etc.).
  • The candidate will need to bring experience of translating business use cases and end user experience requirements into technical requirements specifications for Vendors, End-to-End (E2E) architectural teams and lead technical workshops and support commercial negotiations with vendors during RFX activities.
  • The candidate should be able to provide Technical Design Authority 'steer' in order to contribute to the Strategy and future direction of Service Control/Service Layer initiatives within the 4G/LTE network.
  • The candidate shall support Vendor Management on all aspects of design, development, testing, functionality, performance, capacity, product evolution, feature delivery and fault resolution.
  • The candidate shall support evaluation, delivery and test verification and validation of new software releases into the Service Layer/Service Control domain.
  • The candidate will play a key role in engaging on all projects based on their High Level Architectural (HLA) significance to provide the right architecture and governance oversight within the overall 4G/LTE programme.

Knowledge and experience


  • Self-starter initiative and enthusiasm with a positive 'can do' attitude.
  • Excellent cross-functional communication, co-ordination and negotiation skills.
  • Good presentation skills (e.g. addressing a large, predominantly technical audience).
  • Highly proficient written and spoken communication skills.
  • Ability to recognise and create business benefits from technology functionality.
  • Ability to think 'outside the box' in order to create Mobile Internet/Mobile Broadband Traffic Management Solutions.
  • Minimum 3 years in a similar job function and mobile communication technology domain.
  • Strong knowledge of associated Mobile Data Traffic Management technologies and solutions (i.e. Traffic Detection Function (TDF), Deep Packet Inspection (DPI), Policy and Charging Enforcement Function (PCEF), Service Function Chaining, etc.) and Mobile Internet architectures, services and associated protocols (i.e. especially Diameter, RADIUS).
  • Strong knowledge of associated Traffic Management Services, such as: Policy based Traffic Shaping, Tethering Detection and Enforcement, Traffic Steering/Diversion, Content Control and Internet Watch Foundation (IWF).
  • In-depth technical knowledge of the 3G MPC, 4G/LTE EPC and Mobile Internet networks, architectures, services.


  • 7+ years as a Mobile Communications and E2E Systems Engineering/Service Design or Design Authority professional.
  • Suitable technical qualification (i.e. B.Sc., B. Eng. or equivalent).

Knowledge of 3GPP Rel-10/11/12 Policy & Charging Rule Function (PCRF) architectures and interworking.

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