Customer Change Coordinator - Enterprise Markets

Customer Change Coordinator - Enterprise Markets

London, UK

Posted Monday 15 June 2026 at 00:00

At Gamma, we’re a dynamic, forward-thinking team revolutionizing the way businesses connect and communicate.

We provide voice, data, and mobile solutions to businesses across the UK, Germany, Spain, and the Benelux region. We’re expanding rapidly to bring digital automation and Gamma-powered services to Enterprise, Public Sector and Small to medium businesses. Both direct and through a growing network of channel partners.

We move fast with a start-up mindset, but we have the stability of a leading European business. Our team thrives on collaboration, innovation, and the belief that diverse perspectives make us stronger. Join us, and you’ll have the opportunity to make an impact, grow your career, and be part of a company that celebrates inclusivity and fresh ideas.

This customer-facing role is responsible for managing and delivering multiple customer migrations across the existing client base in support of the Customer Change Specialist function. The position is accountable for the successful delivery of telephony and data solutions, requiring a highly organised and structured approach to project execution.

In addition, the role supports Professional Services activities, including requirements gathering, solution design and scoping, shaping customer-focused Professional Services solutions, and contributing to proposal development.

The Customer Change Co-ordinator is responsible for the successful end-to-end delivery of customer migrations across the existing customer base. The role involves proactively managing risks and escalations, ensuring any issues or project jeopardies are communicated to the appropriate teams while maintaining delivery against clearly defined deadlines.

The position also provides support to Professional Services activities where required, contributing to requirements capture, supporting solution development, and input into customer proposals.

Key tasks include but are not limited to:

• Customer engagement and communication, setting expectations, supporting the Customer Change Specialist with Internal and Customer meetings
• Creation and maintenance of migration documents such as migration trackers
• Proficient in Excel
• Undertaking migration planning activities such as process mapping, activity planning, marketing engagement
• Undertaking migration activities such as problem solving, data integrity reviews, physical migration activity
• Attending Gamma Core meetings to represent the team and to learn migration requirements
• Undertaking ad-hoc product training to enable better support or the customer experience
• Priority, risk, and escalation management
• Supporting and underpinning the Customer Advocates
• Accurate maintenance of Gamma systems
• Following best practice guides and agreed delivery approaches
• Support ad-hoc requests where best suited to our skill set, business or product knowledge
• Supporting the creation of Professional Services (PS) quotes for customer opportunities, ensuring they are accurate, consistent, and turned around efficiently
• Attending internal meetings to capture customer PS requirements, translating these into clear inputs that can be shaped into PS proposals

• A self-starter who is organised and can plan and coordinate activity is essential.
• Ability to communicate in a medium and language appropriate to the situation is required, whether this be with the customer directly or internal stakeholders to ensure the successful deployment of customer solutions.
• Able to think outside the box and considering the wider picture at all levels.
• Possesses great problem solving and will investigate issues further
• Some project management qualifications. A base level such as APM PFQ or Prince2 Foundation would be sufficient. APM PMQ, Prince 2 Practitioner or MS Project are desirable but not essential
• Experience in experience in a customer delivery or…