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Infrastructure and Security Administrator

Lets Recruit Limited

Job Location:

Derby - UK

Monthly Salary: £ 35000 - 35000

Posted: 28 August 2026 (Yesterday)

Application Deadline: 25 November 2026

Vacancies: 1 Vacancy

Job Summary

Were looking for a technically capable and security-focused Infrastructure and Security Administrator to join the Technology team at Sort Group.

This is an excellent opportunity for an experienced IT professional to take on a varied role spanning infrastructure technical support networking and cyber security. Working closely with the Chief Information Officer (CIO) youll play an important role in maintaining and improving the Groups technology infrastructure while helping to ensure our systems remain secure reliable and fit for continued growth.

Youll also act as a key technical escalation point for the IT team providing guidance and mentorship to IT Technicians and supporting the delivery of infrastructure and software projects across the Group.

Where youll be:

Youll be based primarily at our Derby office in Alvaston. The role will also involve periodic travel to other Sort Group sites with approximately two visits to each site per year alongside additional ad-hoc travel where required to support projects and infrastructure requirements.

What youll be doing:

Supporting the CIO with the planning project management and delivery of IT projects and services
Maintaining high availability scalability and security across the Groups IT infrastructure
Providing technical support for IT infrastructure hardware telephony and conferencing systems
Supporting the implementation and integration of new software tools
Managing user accounts licences and access rights
Managing the acquisition replacement and removal of IT assets
Supporting and managing IT Service Desk operations
Acting as a technical escalation point for complex or high-impact issues
Providing technical mentorship and sharing knowledge with members of the IT team
Keeping the business informed with clear and timely updates during IT outages
Identifying trends and recurring issues and implementing infrastructure and process improvements
Proactively monitoring the security posture of the Groups IT infrastructure including patching security bulletins and periodic scanning
Providing employees with updates on existing and emerging cyber security threats
Developing and delivering cyber security training and testing for employees
Supporting the CIO with ISO27001 and Cyber Essentials audits
Travelling periodically to the Groups other offices to support infrastructure security and project requirements

Requirements

What were looking for:

Strong knowledge of Windows Server environments Windows desktop operating systems and Microsoft 365
Strong knowledge of IT infrastructure networking and technical troubleshooting
Experience with telephony and conferencing systems including cloud and virtualised environments
Advanced networking knowledge including LAN WAN VPN TCP/IP and DNS
Expert troubleshooting skills and the ability to provide technical guidance on complex network issues
Experience managing or supporting IT Service Desk operations
Experience working with ITSM disciplines and ITIL best practices
Basic familiarity with cloud-based services such as AWS and Azure
A strong interest in maintaining and developing your technical and security knowledge
Ability to communicate clearly with both technical and non-technical colleagues
A proactive approach to identifying problems and implementing effective solutions
Strong awareness of data security confidentiality and IT policies
Willingness to occasionally lift and move IT equipment including PCs and network devices
Flexibility to travel between Group sites when required

Experience with Citrix environments would be advantageous.

A relevant industry-recognised IT qualification such as ITIL CREST Practitioner Security Analyst or CompTIA Security would also be beneficial but is not required.

Benefits

Salary:

Up to 35000 depending on experience

Ongoing training and development opportunities
The opportunity to play a key role in the continued development and security of the Groups technology infrastructure

Sort Group is a growing group of businesses operating across legal financial property and associated professional services. As the Group continues to grow our Technology team plays an increasingly important role in supporting our people systems and infrastructure.

Were committed to investing in technology security and our people and this role provides an opportunity to make a tangible contribution to the Groups technology strategy while developing your own technical expertise.

If youre an experienced IT professional with strong infrastructure networking and security knowledge and youre looking for a varied role with genuine responsibility and development opportunities wed love to hear from you.

Apply now.

Required Skills:

What were looking for: Strong knowledge of Windows Server environments Windows desktop operating systems and Microsoft 365 Strong knowledge of IT infrastructure networking and technical troubleshooting Experience with telephony and conferencing systems including cloud and virtualised environments Advanced networking knowledge including LAN WAN VPN TCP/IP and DNS Expert troubleshooting skills and the ability to provide technical guidance on complex network issues Experience managing or supporting IT Service Desk operations Experience working with ITSM disciplines and ITIL best practices Basic familiarity with cloud-based services such as AWS and Azure A strong interest in maintaining and developing your technical and security knowledge Ability to communicate clearly with both technical and non-technical colleagues A proactive approach to identifying problems and implementing effective solutions Strong awareness of data security confidentiality and IT policies Willingness to occasionally lift and move IT equipment including PCs and network devices Flexibility to travel between Group sites when required Experience with Citrix environments would be advantageous. A relevant industry-recognised IT qualification such as ITIL CREST Practitioner Security Analyst or CompTIA Security would also be beneficial but is not required.

Apply Now