System Administrator jobs in London
- Air AppsLondon
- Provide technical support and training to employees, ensuring smooth system usage.
- Automate IT operations, workflows, and system monitoring to improve…
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- RedCloudLondon EC2Y
- Monitor system performance, troubleshoot issues, and ensure high availability.
- The ideal candidate will ensure optimal performance, security and reliability of…
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- PolyglobeLondon
- Monitor system performance, availability and security, investigating and resolving incidents.
- AXENTHOR TECHNOLOGIES LTD, associated with the Polyglobe brand, is…
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- International Students HouseLondon W1W 5PN
- This is a varied, hands-on position for someone who enjoys solving problems, supporting users and developing their technical skills.
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- International Students HouseLondon W1W 5PN
- This is a varied, hands-on position for someone who enjoys solving problems, supporting users and developing their technical skills.
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- Sinara ConsultantsLondon
- A broad knowledge of Microsoft system and application software.
- The Junior Infrastructure Engineer role will acquire knowledge of system and application…
- Imperial College LondonSouth Kensington
- A technically capable and detail-oriented administrator with hands-on experience of working with data systems, automated workflows and online platforms in a…
- FortexLondon
- Specify system requirements and design solutions.
- Proven experience in a network administrator role.
- Research and make recommendations on network and server…
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- Jackson Lift Services LimitedLondon SE7 7RX
- Provide support for Mitel telephony system, and mobile fleet nationwide.
- The successful candidate will be responsible for company-wide implementation,…
- ITVLondon W12
- Salesforce certified administrator or relevant experience (Admin 201 certification preferred).
- You will be instrumental in facilitating the successful adoption…
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- PaysendLondon WC2E
- Strong hands-on experience with Linux system administration in production environments.
- Collaborate with DevOps, Security, Monitoring, and DBA teams to ensure…
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- vServicesLondon W1T
- Regularly installing operating system patches and firmware upgrades for system stability.
- Maintaining systems documentation including operating system…
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- Lomar Shipping LimitedLondon
- Administer and maintain the Company’s office and vessel IT infrastructure.
- Provide third-line technical support and act as the primary escalation point for…
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- RadiantLondon
- Location: London / UK preferred (hybrid — office access is a bonus, not required).
- We design and operate AI-native cloud platforms engineered for sovereignty,…
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- Smart PensionLondon
- As an IT Systems Support Engineer your primary focus will be supporting end users and hardware within all regions to ensure consistent and reliable access to…
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- Specialist Risk GroupLondon
- Assisting with infrastructure projects, system upgrades and service improvements.
- We work closely with our clients, understanding their ambitions and risks, to…
System Administrator
Job details
Full job description
About Air Apps
At Air Apps, we believe in thinking bigger—and moving faster. We’re a family-founded company on a mission to create the world’s first AI-powered Personal & Entrepreneurial Resource Planner (PRP), and we need your passion and ambition to help us change how people plan, work, and live. Born in Lisbon, Portugal in 2018—and now with offices in both Lisbon and San Francisco—we’ve remained self-funded while reaching over 100 million downloads worldwide.
Our long-term focus drives us to challenge the status quo every day, pushing the boundaries of AI-driven solutions that truly make a difference. Here, you’ll be a creative force, shaping products that empower people across the globe.
Join us on this journey to redefine resource management—and change lives along the way.
The Role
As a Systems Administrator at Air Apps, you will be responsible for managing and maintaining corporate IT infrastructure, user access, and SaaS tools to ensure a secure and efficient work environment. You will oversee device management, network security, access control, and IT support for employees across the organization.
This role requires technical expertise in IT systems, cloud-based tools, and security best practices to optimize and scale internal operations.
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This is a fully onsite position, based at our office in Lisbon, where you will collaborate closely with cross-functional teams in person and contribute to a dynamic and fast-paced environment. We are open to support with relocation efforts.
Responsibilities
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Manage and maintain corporate IT infrastructure, including SaaS applications, cloud services, and internal systems.
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Oversee user access, account provisioning, and identity management across platforms (Google Workspace, Okta, Azure AD, etc.).
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Ensure network security, endpoint protection, and data encryption policies are in place.
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Monitor and optimize hardware and software performance, troubleshooting issues as needed.
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Implement and enforce IT security best practices, including multi-factor authentication (MFA) and role-based access control (RBAC).
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Maintain and support company-wide SaaS tools (Slack, Zoom, Notion, Atlassian, etc.).
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Assist in onboarding and offboarding employees by setting up and deactivating accounts.
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Automate IT operations, workflows, and system monitoring to improve efficiency.
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Maintain software licenses, compliance requirements, and IT documentation.
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Provide technical support and training to employees, ensuring smooth system usage.
Requirements
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Around 3+ years of experience in IT administration, systems administration, or IT support.
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Experience managing cloud-based corporate IT environments (Google Workspace, Microsoft 365, AWS, or Azure).
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Proficiency in identity and access management (IAM) tools (Okta, Azure AD, JumpCloud).
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Knowledge of endpoint management solutions (Jamf, Intune, Kandji, or similar MDM platforms).
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Familiarity with network security, VPNs, firewalls, and zero-trust security models.
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Experience with IT automation and scripting (Bash, PowerShell, Python) is a plus.
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Ability to troubleshoot hardware, software, and connectivity issues efficiently.
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Strong understanding of IT compliance, data privacy regulations (GDPR, SOC 2), and best practices.
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Excellent problem-solving skills and ability to work in a fast-paced, remote-first environment.
What benefits are we offering?
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Apple hardware ecosystem for work.
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Annual Bonus
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Top-tier Health and Life Insurance for peace of mind.
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Transportation Budget to support your commute needs.
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Coverflex benefits package for meal allowances, well-being, and more.
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Childcare support.
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Air Conference - an opportunity to meet the team, collaborate, and grow together.
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Pension Fund to support your long-term financial planning.
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Urban Sports Club membership to keep you active.
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Meals 100% free at the hub.
Diversity & Inclusion
At Air Apps, we are committed to fostering a diverse, inclusive, and equitable workplace. We enthusiastically welcome applicants from all backgrounds, experiences, and perspectives. We celebrate diversity in all its forms and believe that varied voices and experiences make us stronger.
Application Disclaimer
At Air Apps, we value transparency and integrity in our hiring process. Applicants must submit their own work without any AI-generated assistance. Any use of AI in application materials, assessments, or interviews will result in disqualification.
Important Notice
Air Apps does not partner with nor is represented by any recruiting agencies, staffing firms, or third-party recruiters in connection with our hiring efforts. All legitimate communication regarding Air Apps opportunities will come exclusively from an official @airapps.com email address. Additionally, all open positions are published only through our official careers platform, Ashby.
If you are contacted by anyone claiming to represent Air Apps from a different email domain, through a recruiting agency, or via a job posting source other than Ashby, please exercise caution. We do not accept unsolicited candidate submissions from agencies, and any such submissions will not be considered.
Compensation Range: €48K - €60K