Senior IT Infrastructure Engineer

Pertemps; Greater London; Hybrid; GBP 40,000; Full time

Job summary

A national charity in Central London is seeking a Senior IT Infrastructure Engineer to maintain and improve their IT systems. This role offers a hybrid working model and involves managing cloud platforms, supporting Microsoft 365, and mentoring junior staff. Ideal candidates will have robust IT support experience and strong problem-solving skills. Competitive salary of £40,000 per annum plus benefits included.

Qualifications

• Strong experience in IT support or infrastructure roles.
• Ability to explain technical issues clearly to non-technical users.
• Proactive and team-focused attitude.

Responsibilities

• Manage and maintain the organisation’s IT infrastructure.
• Provide expert support for Microsoft 365, Azure, and Windows Server.
• Oversee day-to-day IT support queries and escalations.

Skills

IT support experience

Windows Server knowledge

Microsoft 365 expertise

Azure experience

Network configuration understanding

Excellent communication skills

Organizational skills

Problem-solving skills

Education

IT-related qualifications or certifications

Tools

SharePoint

Hyper-V

Job description

Senior IT Infrastructure Engineer
Location: Central London (Hybrid – 2–3 days in the office)
Salary: £40,000 per annum + benefits
Contract: Permanent, full-time

About the Role
We’re working with a national charity to recruit a dedicatedSenior IT Infrastructure Engineerto support and strengthen their core IT systems. This is a fantastic opportunity to join a purpose-led organisation where your work will directly support impactful services delivered across the UK.
You’ll play a key role in the IT team, maintaining infrastructure and cloud systems, providing expert support to staff, and contributing to future-focused improvements. As well as leading on technical issues, you’ll support the development of junior colleagues and help shape a secure, efficient, and modern IT environment.

Key Responsibilities

• Manage and maintain the organisation’s IT infrastructure, including cloud-based platforms
• Provide expert support for Microsoft 365, Azure, Windows Server (2016/2019/2022), and Windows 11
• Administer Active Directory and virtual environments such as Hyper-V
• Oversee day-to-day IT support queries and escalations
• Maintain secure and stable network infrastructure (TCP/IP)
• Supervise and guide the IT Engineer
• Keep accurate technical documentation and user guides
• Support the use of tools such as SharePoint, Teams, and OneDrive
• Contribute to IT project work and wider digital strategy

About You
We’re looking for someone with hands-on experience in IT infrastructure, excellent problem-solving skills, and a proactive, team-focused attitude. You’ll be confident managing systems independently and enjoy supporting colleagues at all levels of the organisation.

Essential Skills & Experience

• Strong experience in IT support or infrastructure roles
• Knowledge of Windows Server, Microsoft 365, Azure, Active Directory, and Hyper-V
• Understanding of network configuration and workstation support
• Ability to explain technical issues clearly and provide guidance to non-technical users
• Experience supporting and managing hardware, software, and user accounts
• Excellent organisational, interpersonal, and communication skills
• IT-related qualifications or certifications
• Experience working in the charity or not-for-profit sector (desired)
• Knowledge of SharePoint administration and endpoint security

Do you have the skills and experience required for this role working for a national charity?
Submit your CV for immediate review.