Job Title
Senior IT Technical Support Specialist
Belfast
IT
IT Service Desk Manager
The Senior IT Technical Support Specialist provides advanced support, acting as a technical escalation point for the Service Desk and projects. The role diagnoses complex issues, contributes to problem management, investigates new technologies, and supports the continual improvement of IT services.
The role also includes mentorship and guidance for Technical Support Specialists, ensuring technical quality, knowledge sharing, and alignment with ITIL best practice.
Act as an escalation point for complex or high-impact incidents.
Work as part of a team to implement new software and technologies.
Investigate and diagnose advanced hardware, software, and networking issues.
Perform root-cause analysis and contribute to Problem Management activities.
Own and resolve persistent or recurring issues.
Provide day-to-day guidance and coaching to IT Technical Support Specialists.
Support onboarding and training of new team members.
Review tickets for quality, accuracy, and adherence to SLAs.
Evaluate new tools, technologies, and processes that could improve service delivery.
Support testing and implementation of new systems or upgrades.
Lead improvements to knowledge base content and technical SOPs.
Assist the Service Desk Manager during major incidents.
Contribute to performance reporting, trend analysis, and service improvement planning.
Support the refinement of ITIL processes (Incident, Problem, Knowledge).
Work closely with business teams to understand recurring issues and service needs.
Liaise with external suppliers and partners for escalated technical issues.
Strong understanding of ITIL processes and service operations.
Proven experience in 2nd/3rd line technical support.
Advanced troubleshooting skills across Windows, O365, networking, and enterprise apps.
Ability to coach and mentor junior team members.
Excellent communication and problem-solving skills.
Ability to manage complex priorities in a dynamic environment.
ITIL Foundation certification or willingness to obtain.
Industry-recognised technical certification (e.g., CompTIA Network+, Microsoft, Cisco).
Experience supporting enterprise environments and cloud-based platforms.

VINCI Energies UK & RoI is a community of incredible people empowered to deliver the promises of the digital and energy revolutions. It is part of VINCI Energies, the VINCI's Energy business line. It is a major player in the world, offering its customers a comprehensive range of high value-added services in energy and information technologies and covering four lines of business:
- Industry,
- The service sector,
- Infrastructure,
- Telecommunications.
With its 2,100 closely networked business units and four network brands deployed throughout the world, VINCI Energies provides a wide range of services, offering solutions that are both local and global. The Group employ 102,600 employees in over 60 countries and generates a turnover exceeding €20.4 billion.
In the UK and RoI, VINCI Energies employs over 1,500 people and operates via different brand names:
- Actemium
- Omexom
- Axians
- Twyver Switchgear
- Kelvin Power
- Kigtek
- Eltek Systems
- HAC
- NorPower