NP Group
Mobile Voice Core Signalling Designer
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Contract: Mobile Voice Core Signalling Designer
Start Date: ASAP
Duration: 6 months extendable
Location: UK remote working
Rate: £500-£510 a day (Deemed Inside IR35 via an umbrella solution)
Reference: 20542
Scope:
The role will act as a Design resource on the project. The Mobile Voice Core Signalling Designer will help Design and steer designs for signalling-related projects, directing project teams to ensure optimal delivery outcomes. The signalling design team drives design changes across all impacted network functions as part of a project team, ensuring the overall design is customer-centric, meets customer requirements, and is robust.
You will work independently, escalating issues to the Signalling Engineering Manager as dictated by complexity and priority.
Must have:
- Current, hands-on Ericsson platform experience - not legacy or outdated exposure
- Ericsson IP-STP (Signalling Transfer Point) design and configuration experience
- Ericsson DSC (Diameter Signalling Controller) design and configuration experience
- Core signalling design experience across SS7 and/or Diameter protocols
- Voice/Signalling Core specialism, not Packet Core or general infrastructure
- Genuine design/architecture experience - not test, migration, or protocol-specification-only background
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Key Responsibilities:
- Work within the design team to produce the Signalling Design requirements pertaining to core voice network platforms. This role encompasses the support of service designs on the Voice Core network, including IP STP, DSC (DRA, DEA), and IMS/legacy core voice network nodes.
- In-depth experience of cellular networks (2G, 3G, 4G, and IMS), networking principles, and associated signalling systems and protocols, including SS7, SIGTRAN, SIP, Diameter, and MAP. Additionally, you will have a detailed understanding of technology standards, traffic, switching, and radio theory/principles.
- Help with the development of automated test capabilities for both 5GSA and legacy nodes. Working with the core test team to develop automated testing for call flows to speed up all aspects of testing.
- Produce high and low-level design documents. To include capacity dimension and modelling with close attention to surrounding network elements. In addition, all designs produced are to meet fraud and security requirements and liaison with vendors and TSA as required.
- Support the signalling team for network evolution initiatives to assess impacted help to produce statement of requirements for vendors. From this you will review supplier statement of compliance documents.
- Able to demonstrate strong analytical skills and sound practical judgement and will need to understand complex and often conflicting requirements, to chart a course through to a satisfactory business solution.
- Produce and review SOR's and work with vendors to ensure accurate compliance in their SOW, review quotes and operational procedures.
- A strong collaborator who should be able to work with multi-disciplined internal teams across relevant areas of the business and external customers. You will often to be asked to work alone so strong self-discipline is a must to meet tight deadlines.
- Provide design guidance to project and third parties and be accountable for the performance and results of the project and its progression.
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