Mobile Voice Core Signalling Designer - Initial 6 months - Remote (adhoc travel to Reading)

Mobile Voice Core Signalling Designer - Initial 6 months - Remote (adhoc travel to Reading)

Reading Full-Time 40000 - 45000 £ / year (est.) No working from home possible
Hamilton Barnes

At a Glance

  • Tasks: Design and evolve mobile voice core signalling platforms for cutting-edge networks.
  • Company: Join a leading tech firm focused on innovation and collaboration.
  • Benefits: Competitive day rate, remote work flexibility, and potential for contract extension.
  • Other info: Opportunity for growth in a dynamic and supportive environment.
  • Why this job: Make an impact in the telecom industry while working with advanced technologies.
  • Qualifications: Experience in mobile core voice design and strong knowledge of signalling protocols required.

The predicted salary is between 40000 - 45000 £ per year.

In this role, you will support the design and evolution of mobile voice core signalling platforms, producing end-to-end network designs across IP STP, DSC, IMS, and Legacy voice core environments. You will work closely with project teams, vendors, and engineering stakeholders to deliver scalable, secure, and customer-focused signalling solutions while supporting network transformation and automation initiatives.

Key Responsibilities

  • Produce High-Level and Low-Level Designs (HLD/LLD) for core voice and signalling platforms.
  • Design and support signalling solutions across IP STP, DSC (DRA/DEA), IMS, and Legacy voice core networks.
  • Assess network impacts, capacity planning, and solution modelling for signalling projects.
  • Support the development of automated testing capabilities across 5G SA and Legacy core networks.
  • Produce Statements of Requirements (SORs), review supplier Statements of Compliance (SOC), and validate vendor designs.
  • Collaborate with vendors and internal engineering teams to support network evolution and future roadmap planning.
  • Ensure all designs meet operational, security, and fraud prevention requirements.
  • Provide technical guidance throughout project delivery and support design governance activities.

Skills & Experience

  • Strong experience designing mobile core voice and signalling networks within mobile operator environments.
  • Deep understanding of 2G, 3G, 4G, IMS, and mobile core network architectures.
  • Strong knowledge of signalling protocols including SS7, SIGTRAN, SIP, Diameter, and MAP.
  • Experience producing HLDs, LLDs, capacity models, and technical design documentation.
  • Understanding of IP Networking, traffic engineering, switching, and radio principles.
  • Experience working with network vendors, reviewing technical documentation, and supporting solution delivery.
  • Strong analytical, stakeholder management, and communication skills.

Contract Details

  • Duration: Initial 6 months (Likely extension)
  • Location: adhoc travel to Reading
  • Day rate: £400 - £450 per day (inside)
Hamilton Barnes

Contact Details:

Hamilton Barnes Recruitment Team

We think you need these skills to ace Mobile Voice Core Signalling Designer - Initial 6 months - Remote (adhoc travel to Reading)

Mobile Core Voice Design
Signalling Network Design
High-Level Design (HLD)
Low-Level Design (LLD)
IP STP
DSC (DRA/DEA)
IMS