Service Desk Advisor

As Service Desk Engineer, you’ll be the first point of technical contact for our cloud voice and connectivity customers, helping to diagnose issues, implement changes, and ensure our customers receive an outstanding support experience. What you’ll be doing

• Troubleshooting and resolving cloud telephony and connectivity issues.

• Managing incidents and support tickets to ensure SLA commitments are met.

• Providing regular updates to customers via phone, email, and support portals.

• Raising and managing cases with third-party suppliers and partners.

• Completing customer-requested changes on cloud voice platforms.

• Supporting major incidents and providing technical updates where required.

• Maintaining accurate ticket notes, customer records, and documentation.

• Assisting with reporting, implementation activities, and project support tasks.

• Collaborating closely with colleagues across Operations, Customer Experience, Product, and Sales teams.

• Strong troubleshooting and problem-solving skills.

• Excellent communication skills with the ability to explain technical concepts clearly.

• Experience working within a technical support, telecoms, IT support, or service desk environment.

• Working knowledge of cloud-based telephony solutions.

• Understanding of networking concepts, including:

• LAN and WAN technologies
• Routing and switching
• SIP and IP networking

• Strong IT skills and attention to detail.

• Ability to manage multiple priorities and work effectively under pressure.

A proactive, customer-focused mindset with a positive “can-do” attitude. Our dream candidate will also have

• Experience supporting:

• Microsoft Teams Telephony
• Mitel
• Five9
• VOX and Vox One

• Knowledge of:

• PSTN, xDSL, FTTx and Ethernet services
• Routers, Access Points and ATAs
• Experience using Salesforce within a technical support environment.

Perks for our people Holidays: 25 days + bank holidays and buy/sell options Other Leave: Birthday day off, 12 paid hours for flexible use, Volunteer day Lifestyle: 9% combined pension contribution and 4x salary life assurance Rewards: Quarterly and annual employee awards, discounts on tech Socials: All-expenses-paid company events Development: In-House Training Academy Wellbeing: 24/7 access to mental health support, Calm App, discounted gym membership, free breakfast & fresh fruit, eye-care vouchers, financial wellbeing support Everyone belongs at Onecom We believe that diverse teams bring a range of experiences and better ideas that fuel innovation. That’s why we’re committed to creating an environment where everyone feels valued, respected, and able to bring their authentic selves to work. We welcome applications from people of all backgrounds, experiences, identities, and perspectives. We’re the UK’s leading business telephony and cloud communications provider. Delivering IT services, contact centre technology, unified comms, fixed-line voice, connectivity, and managed cloud solutions.

Onecom is the UK’s leading business technology provider, shaping the way we work, connect, communicate and operate. You will join a multi-award-winning company, with over 800 talented people committed to delivering great customer experiences driven by the Onecom Way:

• Think Kaizen