IMS Core Signalling Designer in Oxford
IMS Core Signalling Designer

IMS Core Signalling Designer in Oxford

Oxford Temporary 46400 - 58000 £ / year (est.) Home office (partial)
PCR Digital

At a Glance

  • Tasks: Design and support migration of core signalling platforms in a dynamic telecom environment.
  • Company: Leading telecoms organisation driving major network transformation.
  • Benefits: Competitive daily rate, flexible work options, and potential for contract extension.
  • Why this job: Join a cutting-edge project and make a significant impact on telecom innovation.
  • Qualifications: Experience with Ericsson and Nokia platforms, strong design documentation skills.
  • Other info: Collaborative culture with opportunities to work with top industry vendors.

The predicted salary is between 46400 - 58000 £ per year.

Mobile/Voice/Core Signalling Designer

Reading - 2 days on-site, 3 days WFH

580 per day Inside IR35 - rate to umbrella

Initial 6-month contract, view to extend

Overview

PCR Digital is working with a leading telecoms organisation who are undertaking a major Voice Core and Subscriber Data Management transformation programme. They are seeking an experienced Mobile Core Signalling Designer with strong Ericsson signalling platform expertise and Nokia SDM experience to support the design and delivery of critical core network evolution initiatives. This is a highly technical design-focused role, requiring hands-on experience producing high-level and low-level design documentation (HLD / LLD) and supporting complex core network migrations, integrations, and service deployments.

Key Responsibilities

  • Signalling Architecture & Migration
  • Produce High-Level and Low-Level Design documentation for core signalling platforms
  • Design and support migration of signalling nodes from bare metal to cloud-based environments
  • Work with Ericsson DSC Signalling Controller (5G compliant)
  • Support IPSTP consolidation and virtualisation initiatives
  • Design traffic migration strategies, new instance builds, and network integrations
  • Subscriber Data Management (SDM)
    • Support migration programmes retiring Ericsson HLR/HSS platforms
    • Design solutions to migrate subscriber profiles onto Nokia SDM
    • Understand and map subscriber data flows, service dependencies, and associated risks
  • Nokia SDM Transformation
    • Support the transition from VNF-based deployments on vendor virtualisation stacks
    • Contribute to the target architecture of CNF deployments on internal private cloud platforms
    • Work closely with Nokia vendor teams on solution design and migration approaches

    Essential Skills & Experience

    • Ericsson Platforms
    • Ericsson DSC (Diameter Signalling Controller)
    • Ericsson IPSTP
    • Experience working with HLR and HSS platforms
  • Nokia Platforms
    • Nokia Subscriber Data Management (SDM) experience
    • Experience working with VNF and/or CNF architectures
    • Exposure to subscriber migration programmes (vendor-to-vendor or platform migrations)
  • Core Network Expertise
    • Strong knowledge of mobile signalling protocols
    • Experience with Diameter routing and signalling systems
    • Proven core network design experience
    • Experience designing traffic migration and service integration solutions
    • Ability to independently produce detailed HLD and LLD documentation

    Ideal Candidate

    • Strong technical signalling design experience within mobile core networks
    • Experience working in large-scale telecom network transformation programmes
    • Comfortable working independently and collaborating with vendors, engineering teams, and programme stakeholders

    IMS Core Signalling Designer in Oxford employer: PCR Digital

    PCR Digital is an exceptional employer, offering a dynamic work culture that fosters innovation and collaboration within the telecoms sector. With a strong focus on employee growth, we provide opportunities for professional development through hands-on experience in cutting-edge projects, such as our major Voice Core and Subscriber Data Management transformation programme. Located in Reading, our hybrid work model allows for flexibility, ensuring a healthy work-life balance while engaging in meaningful and impactful work.
    PCR Digital

    Contact Detail:

    PCR Digital Recruiting Team

    StudySmarter Expert Advice 🤫

    We think this is how you could land IMS Core Signalling Designer in Oxford

    ✨Tip Number 1

    Network with industry professionals! Reach out to your connections on LinkedIn or attend relevant meetups. We all know that sometimes it’s not just what you know, but who you know that can help you land that dream role.

    ✨Tip Number 2

    Prepare for technical interviews by brushing up on your core signalling knowledge. We recommend creating a cheat sheet of key concepts and protocols related to Ericsson and Nokia platforms. This will help you feel more confident when discussing your expertise.

    ✨Tip Number 3

    Showcase your hands-on experience! During interviews, be ready to discuss specific projects where you produced HLD and LLD documentation. We want to hear about your successes in migrating signalling nodes or working with subscriber data management.

    ✨Tip Number 4

    Don’t forget to apply through our website! We’ve got loads of opportunities that might just be the perfect fit for you. Plus, applying directly can sometimes give you an edge over other candidates.

    We think you need these skills to ace IMS Core Signalling Designer in Oxford

    Ericsson DSC (Diameter Signalling Controller)
    Nokia Subscriber Data Management (SDM)
    High-Level Design (HLD) documentation
    Low-Level Design (LLD) documentation
    Mobile signalling protocols
    Diameter routing and signalling systems
    Core network design experience
    Traffic migration strategies
    Service integration solutions
    VNF and CNF architectures
    Subscriber migration programmes
    Collaboration with vendors and engineering teams
    Independent working skills
    Understanding of subscriber data flows

    Some tips for your application 🫡

    Tailor Your CV: Make sure your CV highlights your experience with Ericsson and Nokia platforms, especially in core signalling design. We want to see how your skills match the job description, so don’t be shy about showcasing relevant projects you've worked on!

    Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you're the perfect fit for this role. Mention specific experiences that relate to the key responsibilities, like producing HLD/LLD documentation or working on migration programmes.

    Show Off Your Technical Skills: Since this role is highly technical, make sure to include any specific tools or technologies you’ve used in your previous roles. Highlight your hands-on experience with mobile signalling protocols and any relevant projects that demonstrate your expertise.

    Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it makes the whole process smoother for everyone involved!

    How to prepare for a job interview at PCR Digital

    ✨Know Your Stuff

    Make sure you brush up on your knowledge of Ericsson and Nokia platforms, especially the signalling protocols. Be ready to discuss your hands-on experience with HLD and LLD documentation, as well as any core network migrations you've been involved in.

    ✨Showcase Your Problem-Solving Skills

    Prepare to talk about specific challenges you've faced in previous roles, particularly around subscriber data management and traffic migration strategies. Use examples that highlight your ability to design solutions and work through complex issues.

    ✨Understand the Company’s Vision

    Research the telecoms organisation you're interviewing with. Understand their current projects and how your role as a Mobile Core Signalling Designer fits into their transformation programme. This shows your genuine interest and helps you align your skills with their needs.

    ✨Ask Smart Questions

    Prepare insightful questions about their current signalling architecture and future plans for cloud-based environments. This not only demonstrates your expertise but also your enthusiasm for the role and the company’s direction.

    IMS Core Signalling Designer in Oxford
    PCR Digital
    Location: Oxford

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