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Senior Billing Migration Specialist

United Kingdom, Derby 40000.00 - 44000.00 GBP / Year · Job Posted January 05, 2026
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Job Description

Giacom is looking for a Senior Billing Migration Specialist to take ownership of complex customer onboarding, billing system implementation, and service improvement initiatives. This is a senior-level position requiring deep technical expertise, leadership capability, and a passion for delivering exceptional customer outcomes. The role involves leading implementation of new billing systems, managing data migrations, and ensuring seamless customer transitions.

Job Responsibility

  • Lead customer onboarding and migration projects, ensuring accuracy and minimal disruption
  • Manage data migration and configuration, including validation and comparison billing
  • Act as a subject matter expert and escalation point for complex customer issues
  • Deliver structured training sessions and create technical documentation to empower customers
  • Collaborate with cross-functional teams to shape product enhancements and service improvements
  • Mentor and coach junior engineers, nurturing a culture of learning and accountability
  • Drive service improvement initiatives and contribute to Giacom’s knowledge base

Requirements

  • Proven experience implementing and supporting aBILLity or similar billing systems
  • Strong understanding of telecoms/IT billing processes
  • Demonstrated experience in mentoring or leading technical teams
  • Exceptional customer relationship management and communication skills
  • Ability to manage multiple complex projects and prioritise effectively
  • Self-motivated, proactive, and comfortable working under pressure

What we offer

  • Investment in your future career with a variety of learning and development opportunities
  • No dress code
  • 25 days annual leave, plus bank holidays
  • Birthday off
  • A pension plan for your future
  • Complimentary refreshments in all our offices

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