Sales and Administration Coordinator (Office and On-Call)Location: Office-based (Stevenage) + remote on-callHours: Full-time, Monday FridayOn-Call: Out-of-hours rota (remote / flexible location)Employment Type: PermanentRole OverviewOur client is a fast-growing plumbing, heating and drainage business. They are looking for a confident, commercially minded Sales and Administration Coordinator to support daily operations and drive revenue through customer engagement and care plan sales.This role combines office-based administration, sales, and out-of-hours on-call call handling. During on-call periods, the role involves answering calls, taking payments, and dispatching engineers no site attendance required.This position is ideal for someone with a sales background who is comfortable handling administration and wants strong earning potential based on performance.Key ResponsibilitiesOffice-Based Administration and Customer HandlingAnswering inbound calls and emailsBooking jobs and managing engineer diariesUpdating job management systems and customer recordsTaking payments and depositsGeneral office administration and customer communicationSales and Revenue GenerationPromoting and selling monthly care plansConfidently discussing services and options with customersFollowing up enquiries and quotes to maximise conversionsSupporting overall revenue growth through proactive sales activityOn-Call / Out-of-Hours SupportAnswering incoming calls during agreed on-call periodsTaking payments