IT Technician – Level III

IT Technician – Level III

Full-Time 40000 - 50000 £ / year (est.) No working from home possible
Radiant Systems Inc

At a Glance

  • Tasks: Provide advanced IT support and mentor junior technicians in a dynamic environment.
  • Company: Join a leading tech team in London with a focus on innovation.
  • Benefits: Competitive pay, hands-on experience, and opportunities for growth.
  • Other info: Opportunity to work with modern tools and lead a team.
  • Why this job: Make an impact in a fast-paced IT environment while developing your skills.
  • Qualifications: 2+ years of IT support experience and strong troubleshooting abilities.

The predicted salary is between 40000 - 50000 £ per year.

We are looking for an experienced IT Technician – Level III to join our team in London. In this role, you will act as a senior escalation point, providing advanced technical support across systems, software, and hardware while mentoring junior technicians and ensuring smooth IT operations.

Key Responsibilities

  • Provide Tier III technical support for complex IT issues across hardware, software, and systems
  • Act as the primary escalation point for helpdesk tickets and senior leadership issues
  • Support and administer platforms such as Microsoft 365, Okta, Sophos, and access control systems
  • Install, configure, image, and test hardware and software across corporate environments
  • Oversee helpdesk operations, monitor ticket queues, and ensure timely resolution
  • Manage IT asset inventory (laptops, desktops, printers, mobile devices, etc.)
  • Lead device deployment, re-imaging, and mobile device management (MDM)
  • Train, mentor, and support Level I & II IT Technicians
  • Contribute to IT projects and continuous improvement initiatives

Skills & Experience

  • Strong knowledge of Microsoft Windows OS and Microsoft Office Suite
  • Experience working in a Tier II/III support or escalation role
  • Familiarity with enterprise tools like Microsoft 365, Okta, Sophos
  • Solid understanding of IT infrastructure, systems, and networking basics
  • Excellent troubleshooting, communication, and customer service skills
  • Ability to support a wide range of office and IT equipment

Qualifications

  • Essential: High School Diploma or equivalent; Minimum 2+ years of corporate IT support experience
  • Desirable: CompTIA A+ or equivalent certification; 3+ years of corporate IT experience

Work Environment

  • Office-based role using standard IT and office equipment
  • Physical activity may include lifting (up to 50 lbs), standing, and moving equipment
  • Occasional travel between local offices may be required

What You’ll Gain

  • Opportunity to work in a fast-paced, enterprise IT environment
  • Exposure to modern tools and technologies
  • Hands-on experience with end-to-end IT operations and support
  • Chance to mentor and lead junior team members

If you are a proactive IT professional with strong troubleshooting skills and experience in high-level support, we’d love to hear from you!

IT Technician – Level III employer: Radiant Systems Inc

Radiant Systems Inc is an exceptional employer, offering a dynamic work environment that fosters collaboration and innovation in the pharmaceutical industry. With a strong commitment to employee growth, we provide ample opportunities for professional development and training, ensuring our team members are equipped with the latest skills and knowledge. Located in a vibrant area, our company culture promotes work-life balance and encourages a supportive atmosphere where every contribution is valued.

Radiant Systems Inc

Contact Details:

Radiant Systems Inc Recruitment Team

We think you need these skills to ace IT Technician – Level III

Advanced Technical Support
Microsoft 365
Okta
Sophos
Hardware Installation and Configuration
Software Installation and Configuration
IT Asset Management