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NTT DATA Logo NTT DATA · IT - Administration

Telephony Engineer

United Kingdom, East Midlands · Job Posted February 03, 2026
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Job Description

We are seeking a Telephony Engineer to maintain and support telephony systems for a healthcare account. The role involves operational support, project delivery, and managing incidents in line with ITIL best practices. Candidates should have experience with OpenScape 4000, VoIP solutions, and SIP platforms. Strong customer skills and the ability to work under pressure are essential.

Job Responsibility

  • To provide BAU operational support across a wide range of customer telephony infrastructure, including health checks and reporting
  • Managing Incidents, Problems, Requests and Changes in line with ITIL best practice and ensuring that SLAs are maintained
  • Delivery of project-related tasks such as the installation of new telephone equipment
  • Creation of telephone diagrams and documentation
  • Actively manage, configure, upgrade and support the complex telephony environment including OpenScape 4000, MS Teams (voice), Netcall, Session Border Controllers, VoIP and Session Initiation Protocol (SIP) platforms
  • Proactive management of customer environments, identifying potential improvements to deliver increased stability, availability and performance
  • Ensure that customer environments adhere to established standards and frameworks, meeting any compliance requirements at all times
  • Developing strong relationships with other engineers within the client to provide and share technical issue resolution and knowledge

Requirements

  • Ability to troubleshoot technical, multi-site and multi-discipline incidents and problems
  • Able to work under pressure and to tight deadlines
  • Proven experience on the Openscape 4000 Telephone System (E)
  • Understanding of analogue telephone wiring and concepts (E)
  • Proven experience of supporting alternative VoiP Solutions (E)
  • Proactively liaising with users in non-technical manner (E)
  • Experience working with Contact Centre Technologies (D)
  • Comprehensive understanding of Session Initiation Protocol (SIP) platforms (D)
  • Understanding of MS Teams (Voice) (D)
  • Previous experience with working on Telephone Voicemail Services (D)
  • Managing difficult users (E)
  • ITIL v4 Foundation (D)
  • Basic knowledge and understanding of Networking principles (D)
  • Demonstrate practical knowledge and problem-solving strategies
  • Contribute to the continual improvement plan of the department
  • Focus on professionalism, be ‘the best’
  • Focus on communication
  • Be an efficient, flexible, reliable and continuously improving local technical resource in support of Business Units use exploitation and development of IT
  • Strong customer skills
  • Experience of working in a constant high pressure and in a very technically demanding and changing environment
  • Capable of managing your work time, be able to resolve IT queries following logical analysis, work as part of a team, have a ‘can-do’ attitude and complete calls / tasks by agreed deadlines
  • Travel between sites will be required
  • You may be required to participate in a 24/7 On call rota
  • This role is based on-site 5 days per week

What we offer

  • We offer a range of tailored benefits that support your physical, emotional, and financial wellbeing
  • Our Learning and Development team ensure that there are continuous growth and development opportunities for our people
  • We also offer the opportunity to have flexible work options
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