Level 3 support technician Work, Jobs in High Barnet, Gtl (with Salaries)

Level 3 Support Technician
CST Training LTD —Bexley
- £28,000 - £35,000 a year
- AWS
- JavaScript
- Travel
Quick apply
10d
IT Support Technician - First Line Onsite: Immediate Start
Concero UK —Hitchin
- £25,000 - £29,000 a year
- Full-time
- Azure
- Windows
- Microsoft Office
- Health & wellbeing programme
- Annual leave
Quick apply
IT Apprentice
Ministry of Sound Ltd —London
- £25,000 a year
- Azure
- Windows
- IT
Quick apply
1d
IT Field Support Technician - T2 / Second Line Immediate Start
Concero UK —Hitchin
- £28,000 - £34,000 a year
- Full-time
- Windows
- Analysis skills
- Travel
- Free parking
- Annual leave
Quick apply
On-Site 1st/2nd Line Support Technician
Converge Technology Solutions —Hemel Hempstead
- £32,995 a year
- Full-time
- Software troubleshooting
- Customer service
- Windows
11d
IT Support Technician Apprentice
MetaGedu —Harrow
- £16,640 a week
- Full-time
- Remote
- Customer service
- IT
3d
IT Support Technician
Prodigit Systems Ltd —London
- £104 a day
- Part-time
- Hybrid work
- Software troubleshooting
- JavaScript
- Organisational skills
- Work from home
Quick apply
Marine Services Technician 3
Hornblower —London
- £35,000 a year
- Full-time
- Microsoft Word
- Microsoft Excel
- Microsoft Outlook
Quick apply
Materials Technician
Construction Testing Solutions Ltd —Acton
- £23,000 - £29,000 a year
- Overtime
- English
- Mechanical knowledge
- Health & wellbeing programme
- Employee discount
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10d
Service Technician
Marshall Motor Group —Loughton
- £39,232 - £49,000 a year
- Weekend availability
- Annual leave
- Employee discount
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12d
Laboratory Technician Apprentice
Imperial College London —South Kensington
- £29,199 a year
- Full-time
- No experience needed
- Teaching
- Annual leave
5d
Datacenter Technician (DCT) Apprentice - Level 3
Microsoft —Slough
- Weekend availability
- Azure
- English
- Microsoft Office
Apprentice Pre-registration Pharmacy Technician (PTPT)
Homerton Healthcare NHS Foundation Trust —London
- £31,554 - £33,270 a year
- Full-time
- Nursing home
1d
Build Technician (Electromechanical / Mechatronics)
Humanoid —London
- Full-time
- Assembly
- Annual leave
- Sick pay
Quick apply
5d
Line 3 Support Technician
FDM Group —London
- Hybrid work
- Analysis skills
- SharePoint
- Banking
- Annual leave
Technician / MOT Tester
Retail Renault Group —Enfield
- £39,000 a year
- Overtime
- Microsoft Excel
- Sales
- Annual leave
- Employee discount
Quick apply
12d
Art and Food Technician
Newland House School —Twickenham
- £15,640 - £16,460 a year
- Part-time
- Supervising experience
- Working with children
- In-person
- Sick pay
Quick apply
9d
Drinks Dispense Tech Apprentice
Anheuser-Busch —London
- Full-time
- Microsoft Office
- IT
- Communication skills
- Employee assistance programme
Level 3 Motor Technician
Clover Cars Services —Sidcup
- £32,000 - £45,000 a year
- Full-time
- Heavy lifting
- Driving
- In-person
- Free parking
- Health & wellbeing programme
Quick apply
14d
IT Support Technician, 3 month contract, London
Acturis —London
- Full-time
- Windows
- IT
Quick apply

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Level 3 Support Technician

CST Training LTD -
Bexley

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Job details

Permanent
£28,000 - £35,000 a year
10 days ago

Qualifications

TCP
Driving Licence
Bash (Unix shell)
Firewall
DHCP
AWS
Docker
Debian
JavaScript
CompTIA Network+
Computer networking
DNS
IT
Linux
TCP/IP
Communication skills
MySQL
Network Security

Full job description

Position Summary

As a Level 3 Support Technician at CST Training, you will provide advanced technical support across our IT infrastructure, hardware, and network estate. Working closely with the wider IT team, you will tackle escalated issues that go beyond first- and second-line support, take ownership of complex problems, and play a hands-on role in maintaining the systems our employees and learners rely on every day. This role suits an experienced technician who enjoys variety — from diagnosing Linux server issues to terminating Ethernet cables and fixing hardware faults.

Essential Duties & Responsibilities

Provide third-line technical support to CST Training employees and customers, resolving issues escalated from lower support tiers.
Manage and maintain TP-Link Omada network infrastructure, including switches, access points, and controllers.
Administer and troubleshoot Linux servers, including routine maintenance, updates, and incident response.
Manage hosted server infrastructure on platforms such as Hetzner, including provisioning, configuration, and monitoring.
Deploy and manage containerised applications using Portainer.
Administer and maintain MySQL databases, including backups, user management, and basic performance tuning.
Support and manage ChromeOS devices across the organisation.
Diagnose and repair hardware faults across desktops, laptops, and peripheral equipment.
Create, terminate, test, and run Ethernet cabling for new installations and repairs.
Document configurations, procedures, and incident resolutions to build and maintain the internal knowledge base.
Identify recurring issues and recommend long-term solutions to improve system stability.
Work collaboratively with other departments to support IT projects and rollouts

Education, Skills & Experience

Minimum 3 years experience in a third-line or senior support role.
Comfortable with confined spaces and Height
Solid understanding of basic networking concepts (TCP/IP, DNS, DHCP, VLANs, subnetting).
Hands-on experience with Omada or similar managed network platforms (e.g. Ubiquiti, Cisco Meraki).
Practical experience administering Linux servers (Debian, or similar) via the command line.
Experience supporting and managing ChromeOS devices, including the Google Admin Console.
Strong hardware troubleshooting and repair skills across PCs, laptops, and peripherals.
Confident creating and running Ethernet cables, including terminating RJ45 connectors and testing cable runs.
Excellent problem-solving and diagnostic skills.
Strong communication skills, able to explain technical issues clearly to non-technical users.
Ability to manage multiple tickets and prioritise effectively under pressure.

Nice to Haves

Industry certifications such as CompTIA Network+, CompTIA Server+, LPIC-1, or equivalent.
Familiarity with Docker beyond Portainer (CLI, Compose, building images).
Basic understanding of JavaScript and Bash for reading, tweaking, and writing simple scripts.
Experience with hosting platforms such as Hetzner (or DigitalOcean, Linode, AWS EC2) for provisioning and managing remote servers.
Hands-on experience with Portainer for managing Docker containers and stacks.
Working knowledge of MySQL, including basic administration, queries, backups, and user management.
Knowledge of firewall configuration and network security best practices.
Experience working in an EdTech or training environment.
Full UK driving licence (for occasional travel to other sites).

Professional Development

Stay up to date with the latest networking, server, and hardware technologies.
Participate in industry training and certification programs (e.g. CompTIA, Linux Professional Institute, TP-Link, Google).
Receive mentorship from senior IT staff and management.
Contribute to the improvement of IT support processes and infrastructure standards.
Opportunity to progress into specialist roles such as network engineering, systems administration, or IT management.

Career Growth

Advance into senior infrastructure, networking, or systems administration roles.
Specialise in areas such as network architecture, Linux systems engineering, or cybersecurity.
Take ownership of larger infrastructure projects and contribute to technical direction.
Gain recognition as a technical expert within CST Training and beyond.

Physical Demands & Working Conditions

5 Days per week office-based role (Bexley DA5 1JX)
Hands-on work involving lifting and moving IT equipment, including servers, switches, and cabling.
Occasional work in confined spaces (e.g. comms cabinets, ceiling voids, under desks) when running cables or installing hardware.
Use of hand tools for cable termination and minor hardware repairs.
Occasional travel may be required to support other sites.

Pay: £28,000.00-£35,000.00 per year

Work Location: In person

Quick apply

Refine Your Search

level 3 support technician jobs in high barnet, gtl

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IT Field Support Technician - T2 / Second Line Immediate Start

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Technician / MOT Tester

Art and Food Technician

Drinks Dispense Tech Apprentice

Level 3 Motor Technician

IT Support Technician, 3 month contract, London

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