Job title: IT Systems & Support Specialist
Department: IT
Location: Hampton Wick, London
Salary: £35,000 to £42,000
Deadline: 27 November 2026
We reserve the right to close vacancies before the advertised closing date if we receive a high volume of applications. We therefore encourage candidates to submit their applications as early as possible.
If you meet the following criteria and wish to apply for this role, please use the following link to apply:
https://oneair.peoplehr.net/Pages/JobBoard/Opening.aspx?v=aaebada4-a260-49fd-984f-a9a531f25b23
If you have any queries, please contact recruitment@oneair.aero.
Role Purpose
The IT Systems and Support Specialist ensures the secure, reliable, and efficient operation of the organisation’s day-to-day technology environment. Reporting to the IT Manager, the role combines end-user support with administration of cloud productivity platforms, networks, servers, security controls, backups, business applications, and IT assets.
Key Accountabilities & Responsibilities
User support and service delivery
- Provide first and second-line support for hardware, software, operating systems, email, connectivity, remote access, and approved business applications.
- Install, configure, maintain, and troubleshoot computers, mobile devices, printers, meeting room equipment, and other IT-supported technology.
- Record, prioritise, resolve, and escalate incidents and service requests in line with agreed service levels.
Cloud, identity, and collaboration platforms
- Administer Microsoft 365 and Google Workspace, including user accounts, licences, mailboxes, groups, shared drives, collaboration tools, and access permissions.
- Complete approved onboarding, transfer, and offboarding requests, and support identity controls including single sign-on and multi-factor authentication.
- Troubleshoot email, calendar, file-sharing, authentication, and collaboration issues.
Infrastructure, security, and continuity
- Support networks, Windows servers, storage, cloud services, virtual machines, firewalls, VPNs, DNS, DHCP, and Wi-Fi.
- Monitor system health, capacity, availability, logs, endpoint protection, patching, and security alerts.
- Monitor scheduled backups, investigate failures, support authorised restoration, and assist with disaster recovery testing.
- Report suspected cybersecurity incidents, unauthorised access, and potential data breaches immediately.
Assets, applications, suppliers, and documentation
- Maintain accurate records of IT assets, licences, warranties, subscriptions, access permissions, system configurations, and support activity.
- Support enterprise applications, including ERP, CRM, HRMS, accounting, attendance, and collaboration systems.
- Coordinate repairs, renewals, incidents, and technical work with vendors, telecom operators, hosting providers, and other service partners.
- Maintain network, system, backup, change, incident, and compliance documentation, and support IT audits and reviews.
Skills & Experience Required
- Bachelor’s degree or diploma in Information Technology, Computer Science, Network Engineering, or a related discipline.
- 2 to 4 years of experience in IT administration, technical support, infrastructure support, or a similar role.
- Practical experience administering Microsoft 365 and/or Google Workspace and supporting Windows devices and end users.
- Working knowledge of networking, servers, cloud services, cybersecurity, backups, business applications, and IT asset management.
- Relevant Microsoft, Google, CompTIA, Cisco, Fortinet, or ITIL certification is advantageous.
- Strong technical troubleshooting and structured problem-solving.
- Clear, professional communication and a customer-focused approach.
- Sound organisation, prioritisation, attention to detail, and recordkeeping.
- Ability to work independently, collaborate with colleagues and suppliers, and manage urgent issues appropriately.
- High standards of confidentiality, integrity, security awareness, and continuous learning.
Additional Information
This role will be office based Monday to Thursday with the option to work from home on a Friday. Support may be required across multiple offices or locations with occasional travel involved. Occasional work outside of normal hours may be required for urgent incidents, subject to business needs and company arrangements.