10 Feb 2026

Junior IT Systems AdministratorSalary: £40,000 - £50,000 Location: City of London | Office-Based Type: Permanent The ComapnyA small, highly technical team of researchers and software developers working at the intersection of technology, data, and financial markets. Their work is evidence-driven, highly automated, and focused on building robust in-house tools that support trading and research activities across multiple markets. Due to consistent growth, they are looking to hire a well-organised and motivated Junior IT Systems Administrator to join the IT function and grow with the business. The RoleAs part of a small IT team, you will play a hands-on role in maintaining and developing the infrastructure. Responsibilities include: Maintaining on-site and off-site server infrastructure Monitoring and supporting in-house software applications Managing Microsoft Windows environments Administering Active Directory and Group Policy Managing storage systems (NAS, iSCSI) You will gradually take on more responsibility as you demonstrate reliability, technical ability, and an understanding of the wider system landscape. You should be comfortable learning new technologies quickly and adapting in a fast-moving environment. Skills & ExperienceSystem administration in a Microsoft Active Directory environment Networking fundamentals (experience with Juniper equipment is a plus) Working knowledge of SQL, scripting languages (e.g. PowerShell), HTML, and web technologies Exposure to Hyper-V virtualisation Solid hardware experience, including building or maintaining custom machines Some programming experience is desirable Personal AttributesYou should also bring: Strong organisational skills and an enjoyment of structured, well-planned work Clear and confident verbal and written communication skills in English A genuine interest in computer technology and a drive to keep learning Willingness to support a business operating 24/7 Strong interpersonal skills McGregor Boyall is an equal opportunity employer and do not discriminate on any grounds.