On-site Support Engineer
Telefonica Tech · London, England, United Kingdom · On-site
Posted Sep 30, 2026
Sign up free: we match you to jobs like this, tailor your application and fill the form. 2 free applications every day.
Are you an experienced IT Support Engineer who enjoys being hands-on, solving technical issues and delivering a first-class customer experience?
We’re looking for an On-Site Support Engineer to join our On-Site Tech Services team within Telefónica Tech’s Shared Managed Services Practice , providing dedicated Audio Visual and Network support to a prestigious client.
This is a great opportunity for someone who thrives in a customer-facing environment and enjoys working across a variety of technologies, from meeting room AV and Wi-Fi infrastructure to network connectivity and on-site equipment.
What you’ll be doing
As an On-Site Support Engineer, you’ll act as a key point of contact for the customer, providing high-quality technical support and ensuring incidents and requests are managed effectively within agreed SLAs. 
Your responsibilities will include:
Providing hands-on on-site technical support and troubleshooting
Supporting Audio Visual equipment across meeting rooms and boardrooms
Troubleshooting Wi-Fi infrastructure and connectivity issues
Supporting desk, wall, floor and WAP ceiling network ports
Carrying out equipment room patching for access switches
Supporting shared printers, room booking tablets and digital signage
Completing daily checks, management and monitoring of on-site equipment
Diagnosing and resolving technical issues, working with off-site support teams where required
Escalating incidents appropriately and assisting with on-site diagnostics
Logging and triaging tickets with third-party vendors
Assisting with the installation and support of network equipment at customer sites
Maintaining accurate documentation and delivering service within agreed timescales. 
What we’re looking for
You’ll have:
Previous experience working as an on-site IT Engineer within a customer-facing environment
Experience supporting and troubleshooting large-scale Wi-Fi infrastructure
Experience supporting AV equipment within meeting rooms and boardrooms
Knowledge and experience of ITIL practices and service management processes
Strong troubleshooting and problem-solving skills
A customer-focused approach with the ability to take ownership of technical issues.
It would be great if you also have
Experience delivering executive-level or white-glove IT support
Experience using ticketing platforms such as ServiceNow
A basic understanding of network patching, Wi-Fi infrastructure and switch connectivity
Experience working with third-party vendors and support partners . 
 
The important details
On-site: This is a fully on-site position, 5 days per week , with occasional travel to other sites potentially required. 
Security clearance: You’ll need to meet the required security vetting criteria. Any offer will be conditional upon successfully passing BPSS and SC Clearance . 
At Telefónica Tech, we believe inclusion is the bridge that empowers everyone to be their authentic selves.  We…