Systems Administrator

Robertson Sumner; Greater London; On-site; GBP 35,000 - 45,000; Full time

Job summary

An established industry player is seeking a dynamic Systems Administrator to provide hands-on infrastructure support in a fast-paced environment. This role offers the chance to work across both MacOS and Windows platforms, tackling a variety of technical challenges. You will manage system-related support issues, administer cloud platforms, and ensure infrastructure reliability. With potential for permanent conversion, this is an excellent opportunity for a technically sharp individual who thrives in a collaborative and innovative setting. Join a team where your contributions will directly impact operational success and user satisfaction.

Qualifications

• Mid-Level Systems Administrator with experience in IT infrastructure support roles.
• Strong hands-on expertise with Google Workspace Admin and Microsoft ecosystem tools.
• Proven ability to work autonomously and troubleshoot across platforms.

Responsibilities

• Manage and solve system-related support issues across Google Workspace and Microsoft 365.
• Administer tools such as Google Workspace Admin, Microsoft 365, and Azure.
• Diagnose and resolve network-related issues, ensuring system reliability.

Skills

Google Workspace Admin

GCP

Microsoft 365

Troubleshooting

Customer Service

Education

CompTIA A+

JAMF Certification

Microsoft 365 Certification

Tools

Azure

Slack

Zoom

OneLogin

Job description

Direct message the job poster from Robertson Sumner

Systems Administrator (Contract, Inside IR35, 3 months)

Start Date: Immediate

We are supporting a fast-paced technology-led business in sourcing a contract Systems Administrator to deliver hands-on infrastructure support across cloud platforms, core business applications, and user environments. This is an excellent opportunity for a technically sharp individual who thrives in a dynamic setting and is confident working independently across both MacOS and Windows environments.

The initial engagement is on a contract basis, with the potential for permanent conversion in the future if interested.

Key Responsibilities

Technical Support and Administration

• Manage and solve system-related support issues across Google Workspace, GCP, and Microsoft 365 ecosystems.
• Support user environments across Windows and MacOS platforms, including troubleshooting, configuration, and optimisation.

Cloud and Platform Administration

• Administer and support tools such as Google Workspace Admin, Microsoft 365, Azure, JAMF, Slack, Zoom, and OneLogin.
• Assist with account provisioning, access management, and platform integrations.

Infrastructure Reliability

• Diagnose and resolve network-related issues, including DNS, DHCP, and TCP/IP protocols.
• Perform root-cause analysis and apply solutions to improve system stability and performance.

AV and Communication Tools Support

• Maintain and troubleshoot AV systems (e.g., Zoom Rooms, Google Meet setups) to ensure seamless user experiences for hybrid work environments.

Project and Operational Support

• Contribute to infrastructure projects, system upgrades, rollouts, and implementation of new tools or platforms.
• Collaborate with internal teams to improve technical operations and documentation.

Asset and Lifecycle Management

• Manage hardware provisioning, asset tracking, and device lifecycle activities from onboarding to decommissioning.

Experience needed

• Mid-Level Systems Administrator with experience in IT infrastructure support roles.
• Strong hands-on expertise with Google Workspace Admin, GCP, and Microsoft ecosystem tools (Azure fundamentals, Office 365).
• Proven ability to work autonomously, troubleshoot across platforms, and solve problems proactively.
• Experience supporting cross-platform environments (MacOS and Windows).
• Confident communicator with a customer-service mindset, able to translate technical issues into clear guidance for end users.
• Ideally certified in relevant technologies (e.g., CompTIA A+, JAMF, Microsoft 365).

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Contract

Job function

• Job function

  Information Technology

• Industries

  IT Services and IT Consulting

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