G-20 Group

Cross-asset trading and investment firm

Junior-Mid Level IT Officer

System Administration +1Confirmed live in the last 24 hours

Part-timeNo salary listedIn-person

About the Job

Requirements

At least 1 year of experience in IT support, helpdesk, or systems administration; strong entry-level candidates with relevant technical certifications will also be considered.
Hands-on experience administering Microsoft 365, Entra ID, and Google Workspace.
Experience with Microsoft Intune or another mobile device management platform.
Working knowledge of Windows and macOS operating systems.
Understanding of core networking concepts, including DNS, DHCP, VPNs, and Wi-Fi.
Strong organizational skills, attention to detail, and a disciplined approach to documentation.
Excellent written and verbal English communication skills.
Eligibility to work in the UK or Switzerland and willingness to undergo background screening.
Applicants must live within commuting distance of Central Zurich or London and possess pre-existing rights to work in Switzerland or the UK without requiring company sponsorship.

Responsibilities

Provide first- and second-line technical support to employees in London, Zurich, and other global locations, resolving hardware, software, and connectivity issues.
Procure, configure, deploy, maintain, and retire laptops, mobile devices, and peripherals; maintain accurate hardware inventories, software licenses, and SaaS subscriptions.
Manage user accounts, permissions, and access to cloud productivity and identity platforms.
Coordinate IT setup for new joiners and ensure timely removal of access, recovery of equipment, and deactivation of accounts for leavers.
Administer devices through modern mobile device management tools, including enrollment, security policies, compliance monitoring, and software updates.
Support security awareness initiatives, respond to reported phishing attempts, and conduct regular user access and privileged account reviews.
Maintain IT records, change logs, and supporting evidence for SOC 2, ISO 27001, and relevant regulatory audits, including VQF, FINMA, and CIMA.
Maintain IT documentation, support tickets, and operational procedures, identifying opportunities to improve efficiency and automate routine tasks.

Desired Qualifications

Relevant certifications such as CompTIA A+, Network+, Security+, Microsoft MD-102, MS-102, SC-300, or Google Workspace Administrator.
Experience supporting IT operations within financial services, fintech, trading, or crypto/DeFi environments.
Basic scripting skills in PowerShell, Bash, or Python to automate routine IT processes.
Basic familiarity with Linux and command-line tools.
Familiarity with SOC 2, ISO 27001, or regulated IT environments.
Familiarity with Apple Business Manager and Apple device management.

Junior-Mid Level IT Officer (London, Zurich)

G-20 Group · Zürich, Switzerland · Other · Posted 2026-10-21

Workplace: on_site

Description

Important__: Please only apply if you are able to work on-site at our Zurich or London office every working day. This is a fully office-based role, 80% capacity to begin with, with the potential to increase to 100%.

About G-20 Group

G-20 Group is a cross-asset trading firm headquartered in Switzerland, trading delta-one and derivatives markets globally. We combine startup agility with institutional-grade experience in proprietary trading, technology, and quantitative finance.
Role Overview

G-20 is seeking a proactive and detail-oriented IT Officer to support our global trading operations. Working in a fast-paced financial markets environment, you will be responsible for day-to-day IT support, systems administration, device management and IT security across our international offices.

This is a hands-on role suited to an early-career IT professional looking to develop their technical expertise and take ownership of core IT operations within a growing global trading firm. Our initial need is for a part-time officer (80%), with the potential to increase to 100% capacity.
Key Responsibilities

IT Support: Provide first- and second-line technical support to employees in London, Zurich and other global locations, resolving hardware, software and connectivity issues.
Device & Asset Management: Procure, configure, deploy, maintain and retire laptops, mobile devices and peripherals. Maintain accurate hardware inventories, software licences and SaaS subscriptions.
User Administration: Manage user accounts, permissions and accessour cloud productivity and identity platforms.
Onboarding & Offboarding: Coordinate IT setup for new joiners and ensure timely removal of access, recovery of equipment and deactivation of accounts for leavers.
Endpoint Management: Administer devices through modern MDM tools, including enrolment, security policies, compliance monitoring and software updates.
IT Security: Support security awareness initiatives, respond to reported phishing attempts and conduct regular user access and privileged account reviews.
Compliance & Audit: Maintain IT records, change logs and supporting evidence for SOC 2, ISO 27001 and relevant regulatory audits, including VQF, FINMA and CIMA.
Documentation & Process Improvement: Maintain IT documentation, support tickets and operational procedures, identifying opportunities to improve efficiency and automate routine tasks.

Requirements

1+ years of experience in IT support, helpdesk or systems administration. Strong entry-level candidates with relevant technical certifications will also be considered.
Hands-on experience administering Microsoft 365, Entra ID and Google Workspace.
Experience with Microsoft Intune or another mobile device management (MDM) platform.
Working knowledge of Windows and macOS operating systems.
Understanding of core networking concepts, including DNS, DHCP, VPNs and Wi-Fi.
Strong organisational skills, attention to detail and a disciplined approach to documentation.
Excellent written and verbal English communication skills, with a proactive, service-oriented mindset.
Eligibility to work in the UK or Switzerland and willingness to undergo background screening.

Preferred / Desirable Experience

Relevant certifications such as CompTIA A+, Network+, Security+, Microsoft MD-102 / MS-102 / SC-300 or Google Workspace Administrator.
Experience supporting IT operations within financial services, fintech, trading or crypto/DeFi environments.
Basic scripting skills in PowerShell, Bash or Python to automate routine IT processes.
Basic familiarity with Linux and command-line tools.
Familiarity with SOC 2, ISO 27001 or regulated IT environments.
Familiarity with Apple Business Manager and Apple device management.

Location and Right to work: This role will be based from our Zurich or London office with the expectation of the candidates being on-site. Only candidates who meet the requirements, live within commutable distance to Central Zurich/London and who possess the pre-existing right to work in Switzerland or the UK without requiring company sponsorship need apply.

Join G-20 and be a part of a team that is at the forefront of financial markets, driving innovation and excellence in the sector.

Apply

Apply at G-20 Group

About the Company

G-20 Group

Cross-asset trading and investment firm

G-20 Group is a financial firm active in trading, treasury management, advisory, and digital-economy investments. The company works across delta-one and derivatives markets while managing liquidity, risk, capital, and selected strategic investments. It serves institutional counterparties, portfolio companies, and participants in global financial markets. Its operating model centers on specialist trading, research, engineering, finance, legal, and operational teams. Teams work across trading, quantitative research, software engineering, risk, treasury, operations, and compliance.

Company size: 11-50
Company stage: Not listed
Total funding: Not listed
Headquarters: Switzerland
Founded: 2010

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