System Validation Engineer validating NVIDIA DOCA BF - Bundles for BlueField DPUs. Focuses on system - level validation of software and firmware bundles for data centers.
About the role
- Voice Design Engineer role for designing and servicing voice communication systems across the UK rail network. Support the integration of IP-based voice services and modernization of existing platforms.
Responsibilities
- Provide skilled IP Network & IP Voice, Telecommunications knowledge enabling:
- Design of green field IP networks and modifications to existing IP & SDH networks
- Design of Voice over IP Networks for Voice Concentrator renewals
- Provide input to the required Migration Strategies
- On-premises Cisco Unified Communications Manager (CUCM) to Cisco UCM Cloud
- Legacy telephone systems to IP Voice solutions
- Demonstrate security competence to implement suitably secure access controls such as Zero Trust (ZTNA)
- Modification of live voice network configurations in line with change management
- Create implementation plans for site works and integration testing
- Create cutover plans for transition into live environments
- Provide handover documentation to management centres
- Update of Network Rail Telecoms design platforms
- Act as mentor to junior team members on technical matters.
- Evaluate emerging technologies and their suitability for Network Rail
- Deliverables include:
- Produce high-level and detailed designs in accordance with the Rail Engineering Plan
- Perform reviews to verify designs are compliant to contract technical requirements
- Design and support migration strategies from on‑premise CUCM to cloud-hosted Cisco calling solutions
- Act as a 3rd line technical lead to resolve technical problems
- Take the lead where required in root cause analysis to drive issue resolution and limit impact to the customer.
- Creation of design packs in accordance with Network Rail design rules
- Produce Bill of Materials associated with designs to support implementation phases
- To be responsible for documentation and upkeep of technical databases
- Report against programme to relevant Project Manager
- Attend and present at technical design review (TDR) and Inter Disciplinary Check (IDC) meetings as required
Requirements
- 5 years’ experience designing and building IP Voice solutions, ideally to include:
- Cisco Call Manager
- CUCM Cloud
- IP Trade TSS, TPO and Turrets
- RedBox IP Voice Recorders
- Acculab Voice Gateways
- Experience working on Network Rail FTN / FTNx or equivalent carrier‑grade telecoms networks.
- Familiarity with rail telecoms assurance and governance processes.
- Project Experience: Proven track record of managing high-user-count migrations within a Cisco Collaboration Flex Plan framework.
- Modern Networking: Understanding of software-defined networking (SD-WAN) and hypervisor management (ESXi or Cisco NFVIS) for virtualized voice applications preferred.
Benefits
- 26 days annual leave, plus public holidays, plus the option to buy up to 10 days or sell six days each year.
- Company pension scheme
- A range of family friendly policies
- Occupational health support and wellbeing Portal
- Discounts on Cinema, Restaurants and Shopping with Telent Reward scheme.
Job title
Job type
Experience level
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Not specified
Degree requirement
Tech skills
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