** You must have the right to work in the UK - no visa sponsorship can be provided.
Cornspring is redefining data solutions for Family Offices, Asset Owners, and UHNW clients. Our AI-powered platform integrates, validates, and secures private financial data, allowing intelligent insights via Gen-AI and LLM-based conversations.
Security, privacy, and reliability are at the heart of everything we do. As we scale our technology and infrastructure, we are seeking a diligent and experienced Network Administrator to manage, secure, and optimize our internal and cloud network environments.
This is a critical role supporting the stability and integrity of Cornspring’s Microsoft-based infrastructure, ensuring seamless, secure connectivity across systems, users, and cloud services.
Key responsibilities
Overview
* Responsible for the administration, maintenance, and performance of Cornspring’s internal networks, domain environment, and cloud-based services.
* Ensure the company’s network and system infrastructure operate reliably, efficiently, and securely.
* Collaborate with technology, security, and operations teams to support business continuity and employee productivity.
Network & Infrastructure Administration
* Manage and maintain Microsoft Azure resources including virtual networks, firewalls, VPNs, and hybrid connectivity.
* Administer and support NT domains, Active Directory, DNS, DHCP, and Group Policy Objects (GPOs).
* Oversee network hardware and connectivity for offices and remote workers, ensuring consistent performance and availability.
* Monitor network activity, bandwidth, and performance using established tools and best practices.
* Manage user provisioning, authentication, and access across systems.
Microsoft 365 & Endpoint Management
* Administer Microsoft 365 services including Exchange Online, Teams, SharePoint, and Intune.
* Manage device enrolment, configuration, and compliance through Intune and Azure AD.
* Ensure reliable and secure email, collaboration, and file-sharing capabilities for all users.
* Support user onboarding/offboarding processes and maintain accurate access records.
Security & Maintenance
* Apply security updates, software patches, and configuration changes in line with our security policies.
* Support endpoint protection and device compliance under the company’s security policies.
* Conduct regular network and system health checks, backups, and disaster recovery tests.
* Collaborate with the Head of Information Security on implementing zero-trust and identity management principles where relevant.
Support & Operations
* Provide 2nd and 3rd level technical support for network, server, and connectivity issues.
* Document network configurations, standard operating procedures, and troubleshooting guidelines.
* Work closely with vendors and service providers to ensure uptime and efficient issue resolution.
Requirements
Experience
* 5–10 years of experience in network and system administration, in a Microsoft-centric environment.
* Strong background in Microsoft Azure, NT domains, Active Directory, and Microsoft 365 administration.
* Experience managing hybrid or cloud-based infrastructures with distributed teams.
* Familiarity with ITIL-based service management practices and monitoring tools.
Technical Skills
* Proficiency in Azure networking, Active Directory, Group Policy, DNS/DHCP.
* Experience managing Azure AD Connect, Conditional Access, Intune, and device compliance policies.
* Good understanding of network fundamentals (LAN/WAN, VPNs, VLANs, routing, switching).
* Awareness of common security best practices such as least privilege, MFA enforcement, and secure configuration.
Mindset & Attributes
* Methodical, detail-oriented, and proactive in problem-solving.
* Strong communication and documentation skills.
* Reliable and consistent in delivering operational excellence.
* Comfortable working in a fast-paced, high-accuracy environment where reliability and confidentiality are essential.
Benefits
* Competitive compensation and performance-based bonus.
* Hybrid working: we work from a beautiful office in Bank 3 days a week.
* Being part of a revolutionary movement in Family Office technology.
* Working with cutting-edge AI and data technologies.
* Challenging projects that make a real impact to our sector.