Job Title
IT Systems Administrator

Reports To
Senior IT Manager

Department
Information Technology (IT)

To provide advanced technical support, systems management, and infrastructure administration
across the organisation’s IT environment. The IT Systems Administrator is responsible for maintaining
core systems such as servers, storage, networking, and cloud services, ensuring security,
performance, and resilience. This role also supports escalated incidents, manages system updates
and changes, and contributes to IT projects that enhance organisational capability.

1. IT Support & Helpdesk Management

•  Provide 2nd/3rd line support for escalated incidents and service requests.
•  Monitor and optimise system performance across servers, storage, and networks.
•  Ensure service requests are resolved within agreed SLAs.

2. User Account & Access Administration

•  Manage Active Directory, Group Policy, and Exchange/Entra configurations.
•  Administer Office 365, Intune, and Defender policies.
•  Oversee user provisioning processes and enforce security policies.

3. Hardware & Software Provisioning

•  Deploy and manage virtual servers, storage arrays, and clustered environments.
•  Apply system updates, patches, and configuration changes.
•  Maintain system monitoring, backups, and disaster recovery solutions.

4. Operational Support

•  Maintain core IT infrastructure including servers, storage, networking, and firewalls.
•  Assist with project deployments, system migrations, and upgrades.
•  Liaise with external suppliers and vendors for advanced support contracts.

5. Communication and Escalation

•  Provide clear technical documentation for infrastructure and processes.
•  Advise the Senior IT Manager on system risks, capacity, and improvements.
•  Collaborate with stakeholders during IT projects and change implementations.

6. General Duties

•  Ensure compliance with IT policies, licensing, and security standards.
•  Manage monitoring tools, logs, and reporting dashboards.
•  Support capacity planning and contribute to IT strategy.

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Criteria

Essential

Desirable

Technical knowledge
and experience

IT skills and
qualifications

Strong experience in server, storage,
networking, and virtualisation
technologies (VMware, SAN/NAS, 10Gbps
networking, firewalls)

Strong knowledge of Microsoft
environments (AD, GPO, Exchange hybrid,
SQL, MECM/WSUS)

Experience with monitoring, backups,
disaster recovery, and security tools

Relevant professional certifications
(VMware VCP, Microsoft, CompTIA
Server+/Network+) or equivalent
experience

Proven ability to manage complex
infrastructure

Experience working in a
charity or not-for-profit IT
environment

Experience with hybrid cloud
(Azure/Entra/Intune/Defender)

Advanced certifications (e.g.
VCP, MCSE, Azure)

Problem solving and
decision making

Ability to diagnose and resolve complex
technical issues

Communication and
interpersonal skills

Ability to document and explain complex
systems clearly

Organisation and time
management

Able to manage multiple projects and
competing priorities

Understanding of ITIL and
change management
frameworks

Ability to identify recurring
issues and suggest
improvements

Experience managing
suppliers and external
contractors

Teamwork and
collaboration

Ability to collaborate with senior
leadership and external vendors

Willingness to mentor junior
team members

Flexibility and attitude

Proactive approach to continuous
improvement and security best practice

Willingness to work flexible
hours during maintenance
windows

Other requirements

Commitment to confidentiality, data
protection, and compliance frameworks

First Aid qualification (or
willingness to train)

Date Reviewed: September 2025

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