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Senior IT Support Technician at Profile Personnel
Profile Personnel
September 14, 2026
Full-time
On-site
Job Description
Our client is seeking a Senior IT Support Technician to join their team in East London. This is a senior-level technical role suited to an experienced IT professional who can work independently, take ownership of complex technical issues and provide high-level support to clients.
The successful candidate will be responsible for supporting Windows environments, servers, networks and Microsoft infrastructure, while also contributing to infrastructure projects and mentoring junior technicians.
Key Responsibilities
Provide advanced technical support and troubleshoot complex hardware, software, server and network issues.
Administer and support Windows workstations and Windows Server environments.
Manage and maintain Active Directory, DNS, DHCP and Group Policy.
Configure, maintain and troubleshoot networks, including TCP/IP, VLANs, routing, switching and Wi-Fi.
Support virtualisation environments, including Hyper-V and/or VMware.
Provide Microsoft 365 and cloud support, configuration and troubleshooting.
Assist with server migrations, deployments, infrastructure upgrades and network installations.
Perform system maintenance, patching, backups and disaster recovery activities.
Identify infrastructure improvements and contribute to technical projects.
Provide occasional after-hours and emergency technical support.
Maintain accurate technical documentation and mentor junior technicians.
Requirements
Minimum 3 - 5 years' experience in IT Support, Systems Administration, Infrastructure or a similar role.
Strong experience in Microsoft Windows environments and Windows Server.
Solid knowledge of Active Directory, DNS, DHCP and Group Policy.
Strong networking and troubleshooting skills.
Experience with server administration and IT infrastructure maintenance.
Experience with Hyper-V and/or VMware.
Experience supporting Microsoft 365 / Cloud Services.
Strong hardware and software troubleshooting abilities.
Understanding of cybersecurity, backups, vulnerabilities and security best practices.
SQL/database support experience will be advantageous.
Experience working on IT infrastructure installations, upgrades, migrations or improvement projects will be advantageous.
The Ideal Candidate
We are looking for someone who is more than a traditional helpdesk technician — an individual who can diagnose, troubleshoot and resolve technical issues independently.
The ideal candidate will:
Work confidently with minimal supervision.
Take ownership of technical issues from identification through to resolution.
Communicate professionally and confidently with clients.
Provide strong customer service and act as a trusted technical resource.
Demonstrate strong organisational and documentation skills.
Mentor and support junior technicians.
Remain calm and solutions-focused when dealing with complex technical challenges.
Our client is seeking a Senior IT Support Technician to join their team in East London. This is a senior-level technical role suited to an experienced IT professional who can work independently, take ownership of complex technical issues and provide high-level support to clients.
The successful candidate will be responsible for supporting Windows environments, servers, networks and Microsoft infrastructure, while also contributing to infrastructure projects and mentoring junior technicians.
Key Responsibilities
Provide advanced technical support and troubleshoot complex hardware, software, server and network issues.
Administer and support Windows workstations and Windows Server environments.
Manage and maintain Active Directory, DNS, DHCP and Group Policy.
Configure, maintain and troubleshoot networks, including TCP/IP, VLANs, routing, switching and Wi-Fi.
Support virtualisation environments, including Hyper-V and/or VMware.
Provide Microsoft 365 and cloud support, configuration and troubleshooting.
Assist with server migrations, deployments, infrastructure upgrades and network installations.
Perform system maintenance, patching, backups and disaster recovery activities.
Identify infrastructure improvements and contribute to technical projects.
Provide occasional after-hours and emergency technical support.
Maintain accurate technical documentation and mentor junior technicians.
Requirements
Minimum 3 - 5 years' experience in IT Support, Systems Administration, Infrastructure or a similar role.
Strong experience in Microsoft Windows environments and Windows Server.
Solid knowledge of Active Directory, DNS, DHCP and Group Policy.
Strong networking and troubleshooting skills.
Experience with server administration and IT infrastructure maintenance.
Experience with Hyper-V and/or VMware.
Experience supporting Microsoft 365 / Cloud Services.
Strong hardware and software troubleshooting abilities.
Understanding of cybersecurity, backups, vulnerabilities and security best practices.
SQL/database support experience will be advantageous.
Experience working on IT infrastructure installations, upgrades, migrations or improvement projects will be advantageous.
The Ideal Candidate
We are looking for someone who is more than a traditional helpdesk technician — an individual who can diagnose, troubleshoot and resolve technical issues independently.
The ideal candidate will:
Work confidently with minimal supervision.
Take ownership of technical issues from identification through to resolution.
Communicate professionally and confidently with clients.
Provide strong customer service and act as a trusted technical resource.
Demonstrate strong organisational and documentation skills.
Mentor and support junior technicians.
Remain calm and solutions-focused when dealing with complex technical challenges.