London Onsite Systems Engineer – IT Support & Security

Atlas Technica, LLC

Greater London

Hybrid

GBP 50,000 - 70,000

Full time

14 days+

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Job summary

Atlas Technica in London is seeking a Systems Engineer to join our growing Support team onsite. This role provides hands-on troubleshooting, systems administration, and escalation support across client environments.

You will work with fellow engineers and Client Technology Managers to deliver reliable IT services, with opportunities to grow into advanced infrastructure projects and security initiatives. The successful candidate will combine technical skills with clear communication and a

Qualifications

2+ years in desktop support, systems engineering, or related IT role.
Strong end-user and desktop support across Windows and Office.
Experience with Microsoft 365 environments including Exchange Online.
Knowledge of Windows Server, Active Directory, Group Policy.
Experience with endpoint protection like Sophos.
Basic virtualization knowledge (VMware or Hyper-V).
Networking fundamentals: TCP/IP, DNS, DHCP, VPN, firewalls.
Excellent communication; able to work independently and in team.
Willing to work onsite full-time in London office.

Responsibilities

Provide onsite IT support and technical assistance to users
Manage and resolve support requests through the organization’s ticketing system
Troubleshoot end-user issues across Microsoft Windows, Microsoft Office, desktops, laptops, mobile devices, and related technologies
Support Microsoft 365 environments, including Exchange Online, SharePoint Online, Microsoft Intune, Microsoft Teams, and Microsoft Entra ID
Assist with systems administration across Microsoft Windows Server, Active Directory, Group Policy, identity, access, and endpoint-management technologies
Troubleshoot networking, virtualization, security, and infrastructure-related issues within assigned client environments
Escalate complex technical issues appropriately and collaborate with Senior Systems Engineers and other technical resources through resolution
Maintain accurate technical documentation, ticket notes, procedures, and client-environment information
Follow Atlas Technica’s technical standards, security requirements, documentation expectations, and strict change-control procedures
Participate in advanced support, infrastructure initiatives, and project work as experience and technical capability develop